<PAGE> PAGE 1
000 B000000 12/31/99
000 C000000 0000787441
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 A
001 A000000 THE MAINSTAY FUNDS
001 B000000 811-4550
001 C000000 2125765738
002 A000000 51 MADISON AVENUE
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10010
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 23
007 C010100 1
007 C020100 CAPITAL APPRECIATION FUND
007 C030100 N
007 C010200 2
007 C020200 VALUE FUND
007 C030200 N
007 C010300 3
007 C020300 CONVERTIBLE FUND
007 C030300 N
007 C010400 4
007 C020400 HIGH YIELD CORPORATE BOND FUND
007 C030400 N
007 C010500 5
007 C020500 GOVERNMENT FUND
007 C030500 N
007 C010600 6
007 C020600 MONEY MARKET FUND
007 C030600 N
007 C010700 7
007 C020700 TAX FREE BOND FUND
007 C030700 N
007 C010800 8
007 C010900 9
007 C020900 TOTAL RETURN FUND
007 C030900 N
007 C011000 10
007 C011100 11
007 C021100 EQUITY INDEX FUND
007 C031100 N
<PAGE> PAGE 2
007 C011200 12
007 C021200 CALIFORNIA TAX FREE FUND
007 C031200 N
007 C011300 13
007 C021300 NEW YORK TAX FREE FUND
007 C031300 N
007 C011400 14
007 C021400 INTERNATIONAL BOND FUND
007 C031400 N
007 C011500 15
007 C021500 INTERNATIONAL EQUITY FUND
007 C031500 N
007 C011600 16
007 C021600 STRATEGIC INCOME FUND
007 C031600 N
007 C011700 17
007 C021700 STRATEGIC VALUE FUND
007 C031700 N
007 C011800 18
007 C021800 SMALL CAP GROWTH FUND
007 C031800 N
007 C011900 19
007 C021900 SMALL CAP VALUE FUND
007 C031900 N
007 C012000 20
007 C022000 BLUE CHIP GROWTH FUND
007 C032000 N
007 C012100 21
007 C022100 EQUITY INCOME FUND
007 C032100 N
007 C012200 22
007 C022200 GROWTH OPPORTUNITIES FUND
007 C032200 N
007 C012300 23
007 C022300 RESEARCH VALUE FUND
007 C032300 N
007 C012400 24
007 C022400 GLOBAL HIGH YIELD FUND
007 C032400 N
007 C012500 25
007 C022500 MAP EQUITY FUND
007 C032500 N
007 C012600 26
007 C012700 27
007 C012800 28
007 C012900 29
007 C013000 30
020 A000001 LEHMAN BROTHERS
020 B000001 13-2518466
020 C000001 2263
020 A000002 GOLDMAN SACHS & CO.
<PAGE> PAGE 3
020 B000002 13-5108880
020 C000002 379
020 A000003 SALOMON SMITH BARNEY HOLDINGS
020 B000003 13-1912900
020 C000003 312
020 A000004 MORGAN STANLEY & CO.
020 B000004 13-2655998
020 C000004 292
020 A000005 MERRILL LYNCH PIERCE FENNER & SMITH
020 B000005 13-5674085
020 C000005 252
020 A000006 SOUNDVIEW FINANCIAL GROUP INC.
020 B000006 13-2998183
020 C000006 225
020 A000007 DONALDSON CO., INC.
020 B000007 58-1574040
020 C000007 212
020 A000008 JEFFERIES & CO., INC.
020 B000008 95-2622900
020 C000008 207
020 A000009 BEAR STEARNS SECURITIES CORP.
020 B000009 13-3299429
020 C000009 198
020 A000010 PRUDENTIAL SECURITIES
020 B000010 22-2347336
020 C000010 194
021 000000 7373
022 A000001 MERRILL LYNCH, PIERCE, FENNER & SMITH
022 B000001 13-5674085
022 C000001 3832512
022 D000001 1373570
022 A000002 GOLDMAN, SACHS & CO.
022 B000002 13-5108880
022 C000002 2898134
022 D000002 409522
022 A000003 ASSOCIATES CORP.
022 B000003 74-1494554
022 C000003 0
022 D000003 2311666
022 A000004 MORGAN STANLEY & CO.
022 B000004 13-2655998
022 C000004 1286286
022 D000004 407977
022 A000005 SALOMON SMITH BARNEY HOLDINGS, INC.
022 B000005 13-1912900
022 C000005 988739
022 D000005 696033
022 A000006 LEHMAN BROTHERS
022 B000006 13-2518466
022 C000006 1550892
022 D000006 132741
<PAGE> PAGE 4
022 A000007 FORD MOTOR CREDIT
022 B000007 38-1612444
022 C000007 1551260
022 D000007 2224
022 A000008 AMERICAN EXPRESS CREDIT CORP.
022 B000008 11-1988350
022 C000008 1255968
022 D000008 32729
022 A000009 GENERAL ELECTRIC CREDIT CORP.
022 B000009 13-1500700
022 C000009 1221964
022 D000009 19418
022 A000010 DONALDSON & CO., INC.
022 B000010 58-1574040
022 C000010 322616
022 D000010 193076
023 C000000 18938877
023 D000000 5578956
026 A000000 N
026 B000000 Y
026 C000000 Y
026 D000000 Y
026 E000000 Y
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 Y
027 000000 Y
077 A000000 Y
077 B000000 Y
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 N
077 P000000 N
077 Q010000 Y
077 Q020000 N
077 Q030000 N
078 000000 N
080 A00AA00 CONTINENTAL CASUALTY COMPANY
080 C00AA00 2500
081 A00AA00 Y
<PAGE> PAGE 5
081 B00AA00 23
082 A00AA00 N
082 B00AA00 0
083 A00AA00 N
083 B00AA00 0
084 A00AA00 N
084 B00AA00 0
085 A00AA00 Y
085 B00AA00 N
008 A000101 MACKAY SHIELDS LLC
008 B000101 S
008 C000101 801-5594
008 D010101 NEW YORK
008 D020101 NY
008 D030101 10019
008 A000102 MAINSTAY MANAGEMENT LLC
008 B000102 A
008 C000102 801-54912
008 D010102 PARSIPPANY
008 D020102 NJ
008 D030102 07054
024 000100 Y
025 A000101 GOLDMAN SACHS GROUP INC.
025 C000101 E
025 D000101 22605
025 A000102 ML PREMIERE INSTITUTIONAL FUND
025 C000102 E
025 D000102 51145
025 D000103 0
025 D000104 0
025 D000105 0
025 D000106 0
025 D000107 0
025 D000108 0
028 A010100 115369
028 A020100 0
028 A030100 0
028 A040100 114439
028 B010100 92993
028 B020100 0
028 B030100 0
028 B040100 93194
028 C010100 113348
028 C020100 0
028 C030100 0
028 C040100 99256
028 D010100 107297
028 D020100 0
028 D030100 0
028 D040100 89919
028 E010100 112698
<PAGE> PAGE 6
028 E020100 0
028 E030100 0
028 E040100 132722
028 F010100 134155
028 F020100 241580
028 F030100 0
028 F040100 140352
028 G010100 675860
028 G020100 241580
028 G030100 0
028 G040100 669882
028 H000100 21050
029 000100 Y
030 A000100 1153
030 B000100 5.50
030 C000100 2.00
031 A000100 32
031 B000100 0
032 000100 356
033 000100 765
034 000100 Y
035 000100 3070
036 A000100 Y
036 B000100 0
037 000100 N
038 000100 0
040 000100 Y
041 000100 Y
042 A000100 0
042 B000100 0
042 C000100 0
042 D000100 0
042 E000100 0
042 F000100 0
042 G000100 0
042 H000100 0
043 000100 31221
044 000100 0
055 A000100 N
055 B000100 N
056 000100 Y
057 000100 N
062 A000100 N
062 B000100 0.0
062 C000100 0.0
062 D000100 0.0
062 E000100 0.0
062 F000100 0.0
062 G000100 0.0
062 H000100 0.0
062 I000100 0.0
<PAGE> PAGE 7
062 J000100 0.0
062 K000100 0.0
062 L000100 0.0
062 M000100 0.0
062 N000100 0.0
062 O000100 0.0
062 P000100 0.0
062 Q000100 0.0
062 R000100 0.0
063 A000100 0
063 B000100 0.0
066 A000100 Y
066 B000100 N
066 C000100 N
066 D000100 Y
066 E000100 N
066 F000100 N
066 G000100 N
067 000100 N
068 A000100 N
068 B000100 N
069 000100 N
070 A010100 Y
070 A020100 Y
070 B010100 Y
070 B020100 N
070 C010100 N
070 C020100 N
070 D010100 Y
070 D020100 N
070 E010100 N
070 E020100 N
070 F010100 Y
070 F020100 N
070 G010100 Y
070 G020100 N
070 H010100 Y
070 H020100 N
070 I010100 N
070 I020100 N
070 J010100 Y
070 J020100 N
070 K010100 Y
070 K020100 Y
070 L010100 Y
070 L020100 Y
070 M010100 Y
070 M020100 N
070 N010100 Y
070 N020100 N
070 O010100 Y
<PAGE> PAGE 8
070 O020100 N
070 P010100 N
070 P020100 N
070 Q010100 Y
070 Q020100 N
070 R010100 Y
070 R020100 N
071 A000100 1506515
071 B000100 1359209
071 C000100 3354703
071 D000100 41
072 A000100 12
072 B000100 5431
072 C000100 13092
072 D000100 0
072 E000100 0
072 F000100 12484
072 G000100 12484
072 H000100 0
072 I000100 5958
072 J000100 304
072 K000100 0
072 L000100 538
072 M000100 103
072 N000100 239
072 O000100 0
072 P000100 0
072 Q000100 373
072 R000100 48
072 S000100 151
072 T000100 31221
072 U000100 0
072 V000100 0
072 W000100 112
072 X000100 64015
072 Y000100 6739
072 Z000100 -38753
072AA000100 619236
072BB000100 116514
072CC010100 327050
072CC020100 0
072DD010100 0
072DD020100 0
072EE000100 250456
073 A010100 0.0000
073 A020100 0.0000
073 B000100 3.6044
073 C000100 0.0000
074 A000100 3
074 B000100 0
074 C000100 95615
<PAGE> PAGE 9
074 D000100 0
074 E000100 0
074 F000100 4017918
074 G000100 0
074 H000100 0
074 I000100 0
074 J000100 17699
074 K000100 0
074 L000100 6819
074 M000100 0
074 N000100 4138054
074 O000100 30907
074 P000100 4778
074 Q000100 0
074 R010100 0
074 R020100 0
074 R030100 0
074 R040100 5012
074 S000100 0
074 T000100 4097357
074 U010100 10288
074 U020100 63642
074 V010100 57.12
074 V020100 55.15
074 W000100 0.0000
074 X000100 284764
074 Y000100 0
075 A000100 0
075 B000100 3467905
076 000100 0.00
008 A000201 MACKAY SHIELDS LLC
008 B000201 S
008 C000201 801-5594
008 D010201 NEW YORK
008 D020201 NJ
008 D030201 10019
008 A000202 MAINSTAY MANAGEMENT LLC
008 B000202 A
008 C000202 801-54912
008 D010202 PARSIPPANY
008 D020202 NJ
008 D030202 07054
024 000200 Y
025 A000201 ML PREMIERE INSTITUTIONAL FUND
025 C000201 D
025 D000201 12745
025 D000202 0
025 D000203 0
025 D000204 0
025 D000205 0
025 D000206 0
<PAGE> PAGE 10
025 D000207 0
025 D000208 0
028 A010200 14912
028 A020200 169
028 A030200 0
028 A040200 26461
028 B010200 14241
028 B020200 0
028 B030200 0
028 B040200 28889
028 C010200 11878
028 C020200 0
028 C030200 0
028 C040200 21281
028 D010200 14125
028 D020200 0
028 D030200 0
028 D040200 23894
028 E010200 10647
028 E020200 0
028 E030200 0
028 E040200 35812
028 F010200 22126
028 F020200 19352
028 F030200 0
028 F040200 52146
028 G010200 87929
028 G020200 19521
028 G030200 0
028 G040200 188483
028 H000200 4129
029 000200 Y
030 A000200 233
030 B000200 5.50
030 C000200 2.00
031 A000200 4
031 B000200 0
032 000200 58
033 000200 171
034 000200 Y
035 000200 1580
036 A000200 Y
036 B000200 0
037 000200 N
038 000200 0
040 000200 Y
041 000200 Y
042 A000200 0
042 B000200 0
042 C000200 0
042 D000200 0
<PAGE> PAGE 11
042 E000200 0
042 F000200 0
042 G000200 0
042 H000200 0
043 000200 11514
044 000200 0
055 A000200 N
055 B000200 N
056 000200 Y
057 000200 N
062 A000200 N
062 B000200 0.0
062 C000200 0.0
062 D000200 0.0
062 E000200 0.0
062 F000200 0.0
062 G000200 0.0
062 H000200 0.0
062 I000200 0.0
062 J000200 0.0
062 K000200 0.0
062 L000200 0.0
062 M000200 0.0
062 N000200 0.0
062 O000200 0.0
062 P000200 0.0
062 Q000200 0.0
062 R000200 0.0
063 A000200 0
063 B000200 0.0
066 A000200 Y
066 B000200 N
066 C000200 N
066 D000200 N
066 E000200 Y
066 F000200 N
066 G000200 N
067 000200 N
068 A000200 N
068 B000200 N
069 000200 N
070 A010200 Y
070 A020200 N
070 B010200 Y
070 B020200 N
070 C010200 N
070 C020200 N
070 D010200 Y
070 D020200 N
070 E010200 N
070 E020200 N
<PAGE> PAGE 12
070 F010200 Y
070 F020200 N
070 G010200 Y
070 G020200 N
070 H010200 Y
070 H020200 N
070 I010200 N
070 I020200 N
070 J010200 Y
070 J020200 N
070 K010200 Y
070 K020200 Y
070 L010200 Y
070 L020200 Y
070 M010200 Y
070 M020200 Y
070 N010200 Y
070 N020200 N
070 O010200 Y
070 O020200 N
070 P010200 Y
070 P020200 N
070 Q010200 N
070 Q020200 N
070 R010200 N
070 R020200 N
071 A000200 736248
071 B000200 988173
071 C000200 1197656
071 D000200 61
072 A000200 12
072 B000200 1150
072 C000200 21449
072 D000200 0
072 E000200 0
072 F000200 3538
072 G000200 3538
072 H000200 0
072 I000200 3047
072 J000200 118
072 K000200 0
072 L000200 229
072 M000200 34
072 N000200 69
072 O000200 0
072 P000200 0
072 Q000200 150
072 R000200 39
072 S000200 53
072 T000200 11514
072 U000200 0
<PAGE> PAGE 13
072 V000200 0
072 W000200 44
072 X000200 22373
072 Y000200 0
072 Z000200 226
072AA000200 164320
072BB000200 159708
072CC010200 83690
072CC020200 0
072DD010200 442
072DD020200 756
072EE000200 19848
073 A010200 0.0723
073 A020200 0.0109
073 B000200 0.3210
073 C000200 0.0000
074 A000200 0
074 B000200 0
074 C000200 35023
074 D000200 0
074 E000200 0
074 F000200 1109041
074 G000200 0
074 H000200 0
074 I000200 0
074 J000200 2934
074 K000200 0
074 L000200 2833
074 M000200 0
074 N000200 1149831
074 O000200 15787
074 P000200 1455
074 Q000200 0
074 R010200 0
074 R020200 0
074 R030200 0
074 R040200 2155
074 S000200 0
074 T000200 1130434
074 U010200 62429
074 U020200 35
074 V010200 18.18
074 V020200 18.09
074 W000200 0.0000
074 X000200 132837
074 Y000200 16924
075 A000200 0
075 B000200 1237052
076 000200 0.00
008 A000301 MACKAY SHIELDS LLC
008 B000301 S
<PAGE> PAGE 14
008 C000301 801-5594
008 D010301 NEW YORK
008 D020301 NY
008 D030301 10019
008 A000302 MAINSTAY MANAGEMENT LLC
008 B000302 A
008 C000302 801-54912
008 D010302 PARSIPPANY
008 D020302 NJ
008 D030302 07054
024 000300 Y
025 A000301 ML PREMIERE INSTITUTIONAL FUND
025 C000301 D
025 D000301 25211
025 A000302 MS DRUG
025 C000302 D
025 D000302 6111
025 A000303 EVEREST REINSURANCE HOLDINGS
025 C000303 D
025 D000303 0
025 A000304 SALOMON SMITH BARNEY HOLDINGS
025 C000304 D
025 D000304 0
025 D000305 0
025 D000306 0
025 D000307 0
025 D000308 0
028 A010300 2539
028 A020300 4986
028 A030300 0
028 A040300 13825
028 B010300 4172
028 B020300 0
028 B030300 0
028 B040300 12054
028 C010300 2839
028 C020300 0
028 C030300 0
028 C040300 9773
028 D010300 4057
028 D020300 4306
028 D030300 0
028 D040300 9872
028 E010300 4408
028 E020300 65752
028 E030300 0
028 E040300 11070
028 F010300 7654
028 F020300 0
028 F030300 0
028 F040300 13370
<PAGE> PAGE 15
028 G010300 25670
028 G020300 75044
028 G030300 0
028 G040300 69964
028 H000300 879
029 000300 Y
030 A000300 50
030 B000300 5.50
030 C000300 2.00
031 A000300 1
031 B000300 0
032 000300 21
033 000300 28
034 000300 Y
035 000300 1337
036 A000300 Y
036 B000300 0
037 000300 N
038 000300 0
039 000300 N
040 000300 Y
041 000300 Y
042 A000300 0
042 B000300 0
042 C000300 0
042 D000300 0
042 E000300 0
042 F000300 0
042 G000300 0
042 H000300 0
043 000300 6239
044 000300 0
055 A000300 N
055 B000300 N
056 000300 Y
057 000300 N
062 A000300 Y
062 B000300 0.0
062 C000300 0.0
062 D000300 0.0
062 E000300 0.0
062 F000300 0.0
062 G000300 0.0
062 H000300 2.5
062 I000300 0.0
062 J000300 0.0
062 K000300 0.0
062 L000300 -0.1
062 M000300 0.0
062 N000300 0.0
062 O000300 0.0
<PAGE> PAGE 16
062 P000300 0.2
062 Q000300 41.8
062 R000300 55.6
063 A000300 0
063 B000300 6.5
064 A000300 N
064 B000300 Y
065 000300 N
066 A000300 Y
066 B000300 N
066 C000300 N
066 D000300 N
066 E000300 N
066 F000300 N
066 G000300 Y
067 000300 N
068 A000300 N
068 B000300 N
069 000300 N
070 A010300 Y
070 A020300 N
070 B010300 Y
070 B020300 Y
070 C010300 Y
070 C020300 N
070 D010300 Y
070 D020300 Y
070 E010300 Y
070 E020300 N
070 F010300 Y
070 F020300 N
070 G010300 Y
070 G020300 N
070 H010300 Y
070 H020300 N
070 I010300 Y
070 I020300 N
070 J010300 Y
070 J020300 Y
070 K010300 Y
070 K020300 Y
070 L010300 Y
070 L020300 Y
070 M010300 Y
070 M020300 Y
070 N010300 Y
070 N020300 N
070 O010300 Y
070 O020300 N
070 P010300 Y
070 P020300 N
<PAGE> PAGE 17
070 Q010300 Y
070 Q020300 N
070 R010300 Y
070 R020300 Y
071 A000300 2465065
071 B000300 2602391
071 C000300 618787
071 D000300 398
072 A000300 12
072 B000300 17194
072 C000300 16377
072 D000300 0
072 E000300 0
072 F000300 2353
072 G000300 2354
072 H000300 0
072 I000300 1394
072 J000300 50
072 K000300 0
072 L000300 94
072 M000300 18
072 N000300 42
072 O000300 0
072 P000300 0
072 Q000300 92
072 R000300 74
072 S000300 130
072 T000300 6239
072 U000300 0
072 V000300 0
072 W000300 217
072 X000300 13057
072 Y000300 0
072 Z000300 20514
072AA000300 258738
072BB000300 133516
072CC010300 42694
072CC020300 0
072DD010300 19406
072DD020300 10
072EE000300 67612
073 A010300 0.5190
073 A020300 0.4132
073 B000300 1.5376
073 C000300 1.5376
074 A000300 65
074 B000300 0
074 C000300 17660
074 D000300 297016
074 E000300 245474
074 F000300 121264
<PAGE> PAGE 18
074 G000300 3
074 H000300 0
074 I000300 25212
074 J000300 2381
074 K000300 0
074 L000300 3744
074 M000300 462
074 N000300 713281
074 O000300 4672
074 P000300 972
074 Q000300 0
074 R010300 0
074 R020300 0
074 R030300 0
074 R040300 1858
074 S000300 0
074 T000300 705779
074 U010300 48476
074 U020300 91
074 V010300 14.53
074 V020300 14.53
074 W000300 0.0000
074 X000300 52257
074 Y000300 0
075 A000300 0
075 B000300 653742
076 000300 0.00
008 A000401 MACKAY SHIELDS LLC
008 B000401 S
008 C000401 801-5594
008 D010401 NEW YORK
008 D020401 NY
008 D030401 10019
008 A000402 MAINSTAY MANAGEMENT LLC
008 B000402 A
008 C000402 801-54912
008 D010402 PARSIPPANY
008 D020402 NJ
008 D030402 07054
024 000400 Y
025 A000401 ML PREMIERE INSTITUTIONAL FUND
025 C000401 D
025 D000401 41964
025 A000402 MORGAN STANLEY DEAN WITTER
025 C000402 D
025 D000402 30000
025 D000403 0
025 D000404 0
025 D000405 0
025 D000406 0
025 D000407 0
<PAGE> PAGE 19
025 D000408 0
028 A010400 88725
028 A020400 17024
028 A030400 0
028 A040400 78868
028 B010400 71268
028 B020400 17146
028 B030400 0
028 B040400 98204
028 C010400 60814
028 C020400 17002
028 C030400 0
028 C040400 68812
028 D010400 58339
028 D020400 16956
028 D030400 0
028 D040400 68414
028 E010400 105231
028 E020400 17024
028 E030400 0
028 E040400 68950
028 F010400 76836
028 F020400 94310
028 F030400 0
028 F040400 107879
028 G010400 461213
028 G020400 179462
028 G030400 0
028 G040400 491127
028 H000400 26171
029 000400 Y
030 A000400 1099
030 B000400 4.50
030 C000400 2.00
031 A000400 68
031 B000400 0
032 000400 576
033 000400 455
034 000400 Y
035 000400 5216
036 A000400 Y
036 B000400 0
037 000400 N
038 000400 0
039 000400 N
040 000400 Y
041 000400 Y
042 A000400 0
042 B000400 0
042 C000400 0
042 D000400 0
<PAGE> PAGE 20
042 E000400 0
042 F000400 0
042 G000400 0
042 H000400 0
043 000400 34796
044 000400 0
055 A000400 N
055 B000400 N
056 000400 Y
057 000400 N
062 A000400 Y
062 B000400 0.0
062 C000400 0.0
062 D000400 0.0
062 E000400 0.0
062 F000400 0.0
062 G000400 0.0
062 H000400 0.0
062 I000400 4.8
062 J000400 0.0
062 K000400 0.0
062 L000400 2.4
062 M000400 0.3
062 N000400 0.0
062 O000400 0.0
062 P000400 55.0
062 Q000400 27.0
062 R000400 10.5
063 A000400 0
063 B000400 7.8
064 A000400 N
064 B000400 Y
065 000400 N
066 A000400 N
067 000400 N
068 A000400 N
068 B000400 N
069 000400 N
070 A010400 Y
070 A020400 Y
070 B010400 Y
070 B020400 Y
070 C010400 Y
070 C020400 N
070 D010400 N
070 D020400 N
070 E010400 Y
070 E020400 N
070 F010400 N
070 F020400 N
070 G010400 Y
<PAGE> PAGE 21
070 G020400 N
070 H010400 N
070 H020400 N
070 I010400 N
070 I020400 N
070 J010400 Y
070 J020400 Y
070 K010400 Y
070 K020400 Y
070 L010400 Y
070 L020400 Y
070 M010400 Y
070 M020400 Y
070 N010400 Y
070 N020400 N
070 O010400 Y
070 O020400 N
070 P010400 N
070 P020400 N
070 Q010400 Y
070 Q020400 N
070 R010400 Y
070 R020400 N
071 A000400 2762858
071 B000400 2780088
071 C000400 3348296
071 D000400 83
072 A000400 12
072 B000400 396525
072 C000400 25847
072 D000400 0
072 E000400 0
072 F000400 11155
072 G000400 11155
072 H000400 0
072 I000400 4593
072 J000400 513
072 K000400 0
072 L000400 555
072 M000400 106
072 N000400 155
072 O000400 0
072 P000400 0
072 Q000400 398
072 R000400 62
072 S000400 608
072 T000400 34796
072 U000400 0
072 V000400 0
072 W000400 112
072 X000400 64208
<PAGE> PAGE 22
072 Y000400 1609
072 Z000400 359773
072AA000400 236839
072BB000400 158357
072CC010400 0
072CC020400 99218
072DD010400 383520
072DD020400 4500
072EE000400 15956
073 A010400 0.8494
073 A020400 0.7912
073 B000400 0.0322
073 C000400 0.0000
074 A000400 50
074 B000400 0
074 C000400 187310
074 D000400 3070083
074 E000400 153253
074 F000400 197457
074 G000400 0
074 H000400 0
074 I000400 41965
074 J000400 7978
074 K000400 0
074 L000400 80117
074 M000400 6549
074 N000400 3744762
074 O000400 364
074 P000400 4746
074 Q000400 0
074 R010400 0
074 R020400 0
074 R030400 0
074 R040400 8769
074 S000400 0
074 T000400 3730883
074 U010400 494879
074 U020400 9076
074 V010400 7.41
074 V020400 7.40
074 W000400 0.0000
074 X000400 176930
074 Y000400 11868
075 A000400 0
075 B000400 3718295
076 000400 0.00
008 A000501 MACKAY SHIELDS LLC
008 B000501 S
008 C000501 801-5594
008 D010501 NEW YORK
008 D020501 NJ
<PAGE> PAGE 23
008 D030501 10019
008 A000502 MAINSTAY MANAGEMENT LLC
008 B000502 A
008 C000502 801-54912
008 D010502 PARSIPPANY
008 D020502 NJ
008 D030502 07054
024 000500 Y
025 A000501 LBCMT
025 C000501 D
025 D000501 0
025 A000502 LBCMT
025 C000502 D
025 D000502 0
025 A000503 ML PREMIERE INSTITUTIONAL FUND
025 C000503 D
025 D000503 0
025 A000504 MSC
025 C000504 D
025 D000504 0
025 D000505 0
025 D000506 0
025 D000507 0
025 D000508 0
028 A010500 8765
028 A020500 1945
028 A030500 0
028 A040500 19890
028 B010500 5954
028 B020500 1920
028 B030500 0
028 B040500 14190
028 C010500 10068
028 C020500 1900
028 C030500 0
028 C040500 14208
028 D010500 5193
028 D020500 1909
028 D030500 0
028 D040500 14983
028 E010500 9579
028 E020500 1878
028 E030500 0
028 E040500 14482
028 F010500 6680
028 F020500 3703
028 F030500 0
028 F040500 17937
028 G010500 46239
028 G020500 13255
028 G030500 0
<PAGE> PAGE 24
028 G040500 95690
028 H000500 2285
029 000500 Y
030 A000500 137
030 B000500 4.50
030 C000500 2.00
031 A000500 5
031 B000500 0
032 000500 25
033 000500 107
034 000500 Y
035 000500 72
036 A000500 Y
036 B000500 0
037 000500 N
038 000500 0
039 000500 N
040 000500 Y
041 000500 Y
042 A000500 0
042 B000500 0
042 C000500 0
042 D000500 0
042 E000500 0
042 F000500 0
042 G000500 0
042 H000500 0
043 000500 5506
044 000500 0
055 A000500 N
055 B000500 N
056 000500 Y
057 000500 N
062 A000500 Y
062 B000500 0.0
062 C000500 11.5
062 D000500 0.0
062 E000500 0.0
062 F000500 0.0
062 G000500 0.0
062 H000500 0.0
062 I000500 0.0
062 J000500 0.0
062 K000500 0.0
062 L000500 0.0
062 M000500 39.5
062 N000500 28.0
062 O000500 0.0
062 P000500 0.0
062 Q000500 25.0
062 R000500 -4.0
<PAGE> PAGE 25
063 A000500 0
063 B000500 10.1
066 A000500 N
067 000500 N
068 A000500 N
068 B000500 N
069 000500 N
070 A010500 Y
070 A020500 Y
070 B010500 N
070 B020500 N
070 C010500 Y
070 C020500 N
070 D010500 N
070 D020500 N
070 E010500 Y
070 E020500 N
070 F010500 N
070 F020500 N
070 G010500 Y
070 G020500 N
070 H010500 N
070 H020500 N
070 I010500 N
070 I020500 N
070 J010500 Y
070 J020500 N
070 K010500 Y
070 K020500 Y
070 L010500 N
070 L020500 N
070 M010500 N
070 M020500 N
070 N010500 Y
070 N020500 Y
070 O010500 Y
070 O020500 N
070 P010500 Y
070 P020500 N
070 Q010500 N
070 Q020500 N
070 R010500 N
070 R020500 N
071 A000500 1397607
071 B000500 1641014
071 C000500 548544
071 D000500 255
072 A000500 12
072 B000500 35982
072 C000500 0
072 D000500 0
<PAGE> PAGE 26
072 E000500 0
072 F000500 1715
072 G000500 1715
072 H000500 0
072 I000500 1158
072 J000500 87
072 K000500 0
072 L000500 102
072 M000500 16
072 N000500 56
072 O000500 0
072 P000500 0
072 Q000500 84
072 R000500 41
072 S000500 24
072 T000500 5506
072 U000500 0
072 V000500 0
072 W000500 17
072 X000500 10521
072 Y000500 0
072 Z000500 25461
072AA000500 2
072BB000500 31652
072CC010500 0
072CC020500 16970
072DD010500 25806
072DD020500 15
072EE000500 3451
073 A010500 0.0476
073 A020500 0.4115
073 B000500 0.0000
073 C000500 0.0000
074 A000500 65
074 B000500 0
074 C000500 59687
074 D000500 479465
074 E000500 0
074 F000500 0
074 G000500 0
074 H000500 0
074 I000500 165608
074 J000500 0
074 K000500 0
074 L000500 0
074 M000500 5599
074 N000500 710424
074 O000500 25013
074 P000500 701
074 Q000500 0
074 R010500 0
<PAGE> PAGE 27
074 R020500 0
074 R030500 0
074 R040500 166567
074 S000500 0
074 T000500 518143
074 U010500 66914
074 U020500 69
074 V010500 7.75
074 V020500 7.73
074 W000500 0.0000
074 X000500 42430
074 Y000500 30801
075 A000500 0
075 B000500 571691
076 000500 0.00
008 A000601 MACKAY SHIELDS LLC
008 B000601 S
008 C000601 801-5594
008 D010601 NEW YORK
008 D020601 NY
008 D030601 10019
008 A000602 MAINSTAY MANAGEMENT LLC
008 B000602 A
008 C000602 801-54912
008 D010602 PARSIPPANY
008 D020602 NJ
008 D030602 07054
024 000600 Y
025 A000601 SALOMON SMITH BARNEY
025 C000601 E
025 D000601 4847
025 A000602 JP MORGAN & CO.
025 C000602 E
025 D000602 5999
025 A000603 MERRILL LYNCH & CO.
025 C000603 E
025 D000603 0
025 A000604 ML PREMIERE INSTITUTIONAL FUND
025 C000604 E
025 D000604 26905
025 A000605 MORGAN STANLEY DEAN WITTER FRN
025 C000605 E
025 D000605 12000
025 A000606 MORGAN STANLEY DEAN WITTER
025 C000606 E
025 D000606 0
025 A000607 MORGAN STANLEY DEAN WITTER FRN
025 C000607 E
025 D000607 6002
025 A000608 PRUDENTIAL FUNDING CORP. 144A
025 C000608 E
<PAGE> PAGE 28
025 D000608 5001
028 A010600 179883
028 A020600 1908
028 A030600 0
028 A040600 174134
028 B010600 175742
028 B020600 2050
028 B030600 0
028 B040600 142164
028 C010600 170040
028 C020600 2120
028 C030600 0
028 C040600 159456
028 D010600 160994
028 D020600 2219
028 D030600 0
028 D040600 164418
028 E010600 168954
028 E020600 2432
028 E030600 0
028 E040600 174443
028 F010600 200478
028 F020600 4905
028 F030600 0
028 F040600 191951
028 G010600 1056091
028 G020600 15634
028 G030600 0
028 G040600 1006566
028 H000600 0
029 000600 N
030 A000600 0
030 B000600 0.00
030 C000600 0.00
031 A000600 0
031 B000600 0
032 000600 0
033 000600 0
034 000600 N
035 000600 0
036 B000600 0
038 000600 0
039 000600 N
040 000600 N
041 000600 N
042 A000600 0
042 B000600 0
042 C000600 0
042 D000600 0
042 E000600 0
042 F000600 0
<PAGE> PAGE 29
042 G000600 0
042 H000600 0
043 000600 0
044 000600 0
055 A000600 N
055 B000600 N
056 000600 Y
057 000600 N
062 A000600 Y
062 B000600 0.0
062 C000600 5.6
062 D000600 0.0
062 E000600 0.0
062 F000600 14.3
062 G000600 0.0
062 H000600 0.0
062 I000600 67.4
062 J000600 0.0
062 K000600 0.0
062 L000600 12.7
062 M000600 0.0
062 N000600 0.0
062 O000600 0.0
062 P000600 0.0
062 Q000600 0.0
062 R000600 0.0
063 A000600 58
063 B000600 0.0
064 A000600 Y
064 B000600 N
066 A000600 N
067 000600 N
068 A000600 N
068 B000600 N
069 000600 N
070 A010600 Y
070 A020600 N
070 B010600 N
070 B020600 N
070 C010600 N
070 C020600 N
070 D010600 N
070 D020600 N
070 E010600 N
070 E020600 N
070 F010600 N
070 F020600 N
070 G010600 N
070 G020600 N
070 H010600 N
070 H020600 N
<PAGE> PAGE 30
070 I010600 N
070 I020600 N
070 J010600 Y
070 J020600 Y
070 K010600 Y
070 K020600 Y
070 L010600 Y
070 L020600 Y
070 M010600 N
070 M020600 N
070 N010600 N
070 N020600 N
070 O010600 Y
070 O020600 N
070 P010600 Y
070 P020600 N
070 Q010600 Y
070 Q020600 N
070 R010600 Y
070 R020600 N
071 A000600 0
071 B000600 0
071 C000600 0
071 D000600 0
072 A000600 12
072 B000600 31621
072 C000600 0
072 D000600 0
072 E000600 0
072 F000600 1427
072 G000600 1427
072 H000600 0
072 I000600 1657
072 J000600 108
072 K000600 0
072 L000600 176
072 M000600 18
072 N000600 112
072 O000600 0
072 P000600 0
072 Q000600 87
072 R000600 31
072 S000600 24
072 T000600 0
072 U000600 0
072 V000600 0
072 W000600 18
072 X000600 5085
072 Y000600 878
072 Z000600 27414
072AA000600 1
<PAGE> PAGE 31
072BB000600 1
072CC010600 0
072CC020600 0
072DD010600 27308
072DD020600 105
072EE000600 0
073 A010600 0.0455
073 A020600 0.0455
073 B000600 0.0000
073 C000600 0.0000
074 A000600 227
074 B000600 0
074 C000600 647755
074 D000600 0
074 E000600 0
074 F000600 0
074 G000600 0
074 H000600 0
074 I000600 0
074 J000600 0
074 K000600 0
074 L000600 8470
074 M000600 0
074 N000600 656452
074 O000600 0
074 P000600 175
074 Q000600 0
074 R010600 0
074 R020600 0
074 R030600 0
074 R040600 6396
074 S000600 0
074 T000600 649881
074 U010600 645206
074 U020600 2147
074 V010600 1.00
074 V020600 1.00
074 W000600 0.9997
074 X000600 56685
074 Y000600 0
075 A000600 601022
075 B000600 0
076 000600 0.00
008 A000701 MACKAY SHIELDS LLC
008 B000701 S
008 C000701 801-5594
008 D010701 NEW YORK
008 D020701 NY
008 D030701 10019
008 A000702 MAINSTAY MANAGEMENT LLC
008 B000702 A
<PAGE> PAGE 32
008 C000702 801-54912
008 D010702 PARSIPPANY
008 D020702 NJ
008 D030702 07054
024 000700 N
028 A010700 3166
028 A020700 1131
028 A030700 0
028 A040700 6832
028 B010700 2450
028 B020700 1127
028 B030700 0
028 B040700 9164
028 C010700 1904
028 C020700 929
028 C030700 0
028 C040700 12440
028 D010700 915
028 D020700 917
028 D030700 0
028 D040700 14172
028 E010700 1299
028 E020700 889
028 E030700 0
028 E040700 10557
028 F010700 1220
028 F020700 1821
028 F030700 0
028 F040700 14853
028 G010700 10954
028 G020700 6814
028 G030700 0
028 G040700 68018
028 H000700 523
029 000700 Y
030 A000700 40
030 B000700 4.50
030 C000700 2.00
031 A000700 2
031 B000700 0
032 000700 14
033 000700 24
034 000700 Y
035 000700 316
036 A000700 Y
036 B000700 0
037 000700 N
038 000700 0
039 000700 N
040 000700 Y
041 000700 Y
<PAGE> PAGE 33
042 A000700 0
042 B000700 0
042 C000700 0
042 D000700 0
042 E000700 0
042 F000700 0
042 G000700 0
042 H000700 0
043 000700 2169
044 000700 0
055 A000700 N
055 B000700 N
056 000700 Y
057 000700 N
062 A000700 Y
062 B000700 0.0
062 C000700 0.0
062 D000700 0.0
062 E000700 0.0
062 F000700 0.0
062 G000700 0.0
062 H000700 0.0
062 I000700 0.0
062 J000700 0.0
062 K000700 0.0
062 L000700 0.0
062 M000700 0.0
062 N000700 0.0
062 O000700 98.4
062 P000700 0.0
062 Q000700 0.0
062 R000700 1.6
063 A000700 0
063 B000700 19.4
064 A000700 Y
064 B000700 N
066 A000700 N
067 000700 N
068 A000700 N
068 B000700 N
069 000700 N
070 A010700 Y
070 A020700 N
070 B010700 N
070 B020700 N
070 C010700 N
070 C020700 N
070 D010700 N
070 D020700 N
070 E010700 Y
070 E020700 Y
<PAGE> PAGE 34
070 F010700 N
070 F020700 N
070 G010700 Y
070 G020700 N
070 H010700 N
070 H020700 N
070 I010700 N
070 I020700 N
070 J010700 Y
070 J020700 N
070 K010700 N
070 K020700 N
070 L010700 N
070 L020700 N
070 M010700 N
070 M020700 N
070 N010700 N
070 N020700 N
070 O010700 Y
070 O020700 N
070 P010700 N
070 P020700 N
070 Q010700 Y
070 Q020700 N
070 R010700 Y
070 R020700 N
071 A000700 440673
071 B000700 502672
071 C000700 456595
071 D000700 101
072 A000700 12
072 B000700 25005
072 C000700 0
072 D000700 0
072 E000700 0
072 F000700 1330
072 G000700 1330
072 H000700 0
072 I000700 399
072 J000700 44
072 K000700 0
072 L000700 85
072 M000700 13
072 N000700 50
072 O000700 0
072 P000700 0
072 Q000700 71
072 R000700 40
072 S000700 19
072 T000700 2169
072 U000700 0
<PAGE> PAGE 35
072 V000700 0
072 W000700 35
072 X000700 5585
072 Y000700 0
072 Z000700 19420
072AA000700 8532
072BB000700 26860
072CC010700 0
072CC020700 32668
072DD010700 19411
072DD020700 7
072EE000700 0
073 A010700 0.4506
073 A020700 0.4269
073 B000700 0.0000
073 C000700 0.0000
074 A000700 998
074 B000700 0
074 C000700 0
074 D000700 366568
074 E000700 0
074 F000700 0
074 G000700 0
074 H000700 0
074 I000700 0
074 J000700 0
074 K000700 0
074 L000700 5878
074 M000700 6
074 N000700 373450
074 O000700 0
074 P000700 359
074 Q000700 0
074 R010700 0
074 R020700 0
074 R030700 0
074 R040700 508
074 S000700 0
074 T000700 372583
074 U010700 40946
074 U020700 54
074 V010700 9.08
074 V020700 9.09
074 W000700 0.0000
074 X000700 13833
074 Y000700 37856
075 A000700 0
075 B000700 443459
076 000700 0.00
072 I000800 0
072 J000800 0
<PAGE> PAGE 36
072 K000800 0
072 L000800 0
072 M000800 0
072 N000800 0
072 O000800 0
072 P000800 0
072 Q000800 0
072 R000800 0
072 S000800 0
072 T000800 0
072 U000800 0
072 V000800 0
072 W000800 0
072 X000800 0
008 A000901 MACKAY SHIELDS LLC
008 B000901 S
008 C000901 801-5594
008 D010901 NEW YORK
008 D020901 NY
008 D030901 10019
008 A000902 MAINSTAY MANAGEMENT LLC
008 B000902 A
008 C000902 801-54912
008 D010902 PARSIPPANY
008 D020902 NJ
008 D030902 07054
024 000900 Y
025 A000901 ML PREMIERE INSTITUTIONAL FUND
025 C000901 D
025 D000901 0
025 A000902 DONALDSON LUFKIN JENRETTE
025 C000902 D
025 D000902 0
025 A000903 DLJ
025 C000903 D
025 D000903 3779
025 A000904 GOLDMAN SACHS GROUP
025 C000904 D
025 D000904 0
025 A000905 GOLDMAN SACHS FRN 144A
025 C000905 D
025 D000905 2810
025 A000906 LBCMT
025 C000906 D
025 D000906 0
025 A000907 LBCMT
025 C000907 D
025 D000907 0
025 A000908 LEHMAN BROTHERS HOLDINGS
025 C000908 D
025 D000908 1296
<PAGE> PAGE 37
025 A000909 ML PREMIERE INSTITUTIONAL FUND
025 C000909 D
025 D000909 21090
025 A000910 MSC
025 C000910 D
025 D000910 0
025 A000911 MORGAN STANLEY DEAN WITTER
025 C000911 D
025 D000911 0
025 A000912 MORGAN STANLEY DEAN WITTER
025 C000912 D
025 D000912 6670
025 A000913 SBM7
025 C000913 D
025 D000913 4105
025 A000914 ML PREMIERE INSTITUTIONAL FUND
025 C000914 D
025 D000914 1380
025 D000915 0
025 D000916 0
028 A010900 25955
028 A020900 2835
028 A030900 0
028 A040900 29947
028 B010900 26602
028 B020900 0
028 B030900 0
028 B040900 27377
028 C010900 18156
028 C020900 3680
028 C030900 0
028 C040900 20848
028 D010900 13759
028 D020900 2601
028 D030900 0
028 D040900 21223
028 E010900 14545
028 E020900 2
028 E030900 0
028 E040900 23126
028 F010900 24870
028 F020900 93887
028 F030900 0
028 F040900 43614
028 G010900 123887
028 G020900 103005
028 G030900 0
028 G040900 166135
028 H000900 7683
029 000900 Y
030 A000900 371
<PAGE> PAGE 38
030 B000900 5.50
030 C000900 2.00
031 A000900 6
031 B000900 0
032 000900 87
033 000900 278
034 000900 Y
035 000900 1099
036 A000900 Y
036 B000900 0
037 000900 N
038 000900 0
040 000900 Y
041 000900 Y
042 A000900 0
042 B000900 0
042 C000900 0
042 D000900 0
042 E000900 0
042 F000900 0
042 G000900 0
042 H000900 100
043 000900 15941
044 000900 0
055 A000900 N
055 B000900 N
056 000900 Y
057 000900 N
062 A000900 Y
062 B000900 0.0
062 C000900 0.0
062 D000900 0.0
062 E000900 0.0
062 F000900 0.0
062 G000900 0.0
062 H000900 0.0
062 I000900 0.8
062 J000900 0.0
062 K000900 0.0
062 L000900 -0.4
062 M000900 9.6
062 N000900 8.1
062 O000900 0.0
062 P000900 6.0
062 Q000900 8.0
062 R000900 67.9
063 A000900 0
063 B000900 15.4
066 A000900 Y
066 B000900 N
066 C000900 N
<PAGE> PAGE 39
066 D000900 N
066 E000900 N
066 F000900 N
066 G000900 Y
067 000900 Y
068 A000900 N
068 B000900 N
069 000900 N
070 A010900 Y
070 A020900 Y
070 B010900 Y
070 B020900 N
070 C010900 Y
070 C020900 N
070 D010900 Y
070 D020900 N
070 E010900 Y
070 E020900 N
070 F010900 Y
070 F020900 N
070 G010900 Y
070 G020900 N
070 H010900 Y
070 H020900 N
070 I010900 N
070 I020900 N
070 J010900 Y
070 J020900 N
070 K010900 Y
070 K020900 Y
070 L010900 Y
070 L020900 Y
070 M010900 Y
070 M020900 Y
070 N010900 Y
070 N020900 Y
070 O010900 Y
070 O020900 N
070 P010900 N
070 P020900 N
070 Q010900 Y
070 Q020900 N
070 R010900 Y
070 R020900 N
071 A000900 2098
071 B000900 2080
071 C000900 1668
071 D000900 125
072 A000900 12
072 B000900 37514
072 C000900 4852
<PAGE> PAGE 40
072 D000900 0
072 E000900 0
072 F000900 5525
072 G000900 5525
072 H000900 0
072 I000900 3652
072 J000900 175
072 K000900 0
072 L000900 290
072 M000900 51
072 N000900 108
072 O000900 0
072 P000900 0
072 Q000900 199
072 R000900 43
072 S000900 74
072 T000900 15941
072 U000900 0
072 V000900 0
072 W000900 58
072 X000900 31641
072 Y000900 491
072 Z000900 11216
072AA000900 256605
072BB000900 58481
072CC010900 49686
072CC020900 0
072DD010900 11430
072DD020900 19
072EE000900 93594
073 A010900 0.3442
073 A020900 0.1512
073 B000900 1.4170
073 C000900 1.4170
074 A000900 191
074 B000900 0
074 C000900 14515
074 D000900 576375
074 E000900 636
074 F000900 1281194
074 G000900 0
074 H000900 0
074 I000900 22470
074 J000900 22926
074 K000900 0
074 L000900 8351
074 M000900 202088
074 N000900 2128746
074 O000900 29973
074 P000900 2408
074 Q000900 0
<PAGE> PAGE 41
074 R010900 0
074 R020900 0
074 R030900 0
074 R040900 208166
074 S000900 0
074 T000900 1888199
074 U010900 69127
074 U020900 205
074 V010900 27.23
074 V020900 27.23
074 W000900 0.0000
074 X000900 139
074 Y000900 0
075 A000900 0
075 B000900 1726504
076 000900 0.00
055 A001000 N
055 B001000 N
056 001000 Y
057 001000 N
008 A001101 MONITOR CAPITAL ADVISORS LLC
008 B001101 S
008 C001101 801-34412
008 D011101 PRINCETON
008 D021101 NJ
008 D031101 08540
008 A001102 MAINSTAY MANAGEMENT LLC
008 B001102 A
008 C001102 801-54912
008 D011102 PARSIPPANY
008 D021102 NJ
008 D031102 07054
024 001100 N
025 A001101 PAINEWEBBER GROUP
025 B001101 13-2760086
025 C001101 E
025 D001101 567
025 A001102 MERRILL LYNCH, PIERCE, FENNER & SMITH
025 B001102 13-2740599
025 C001102 E
025 D001102 3097
025 A001103 LEHMAN BROTHERS
025 B001103 13-3216325
025 C001103 E
025 D001103 1009
025 A001104 MORGAN STANLEY DEAN WITTER
025 B001104 36-3145972
025 C001104 E
025 D001104 7998
025 D001105 0
025 D001106 0
<PAGE> PAGE 42
025 D001107 0
025 D001108 0
028 A011100 58136
028 A021100 0
028 A031100 0
028 A041100 51637
028 B011100 49020
028 B021100 0
028 B031100 0
028 B041100 31617
028 C011100 46288
028 C021100 0
028 C031100 0
028 C041100 39252
028 D011100 48835
028 D021100 0
028 D031100 0
028 D041100 34375
028 E011100 37599
028 E021100 0
028 E031100 0
028 E041100 35825
028 F011100 57594
028 F021100 0
028 F031100 0
028 F041100 53053
028 G011100 297472
028 G021100 0
028 G031100 0
028 G041100 245759
028 H001100 111765
029 001100 Y
030 A001100 3275
030 B001100 3.00
030 C001100 1.50
031 A001100 180
031 B001100 0
032 001100 2113
033 001100 982
034 001100 N
035 001100 0
036 B001100 0
037 001100 N
038 001100 0
039 001100 N
040 001100 Y
041 001100 Y
042 A001100 0
042 B001100 0
042 C001100 0
042 D001100 0
<PAGE> PAGE 43
042 E001100 0
042 F001100 0
042 G001100 0
042 H001100 0
043 001100 2628
044 001100 0
055 A001100 N
055 B001100 N
056 001100 Y
057 001100 Y
062 A001100 N
062 B001100 0.0
062 C001100 0.0
062 D001100 0.0
062 E001100 0.0
062 F001100 0.0
062 G001100 0.0
062 H001100 0.0
062 I001100 0.0
062 J001100 0.0
062 K001100 0.0
062 L001100 0.0
062 M001100 0.0
062 N001100 0.0
062 O001100 0.0
062 P001100 0.0
062 Q001100 0.0
062 R001100 0.0
063 A001100 0
063 B001100 0.0
066 A001100 Y
066 B001100 N
066 C001100 Y
066 D001100 N
066 E001100 N
066 F001100 N
066 G001100 N
067 001100 N
068 A001100 N
068 B001100 N
069 001100 Y
070 A011100 Y
070 A021100 N
070 B011100 Y
070 B021100 N
070 C011100 N
070 C021100 N
070 D011100 Y
070 D021100 N
070 E011100 N
070 E021100 N
<PAGE> PAGE 44
070 F011100 Y
070 F021100 Y
070 G011100 Y
070 G021100 N
070 H011100 Y
070 H021100 N
070 I011100 N
070 I021100 N
070 J011100 Y
070 J021100 N
070 K011100 N
070 K021100 N
070 L011100 Y
070 L021100 N
070 M011100 Y
070 M021100 N
070 N011100 Y
070 N021100 N
070 O011100 Y
070 O021100 N
070 P011100 N
070 P021100 N
070 Q011100 Y
070 Q021100 Y
070 R011100 N
070 R021100 N
071 A001100 304516
071 B001100 30441
071 C001100 1003510
071 D001100 3
072 A001100 12
072 B001100 2234
072 C001100 12981
072 D001100 0
072 E001100 0
072 F001100 1051
072 G001100 4205
072 H001100 0
072 I001100 1281
072 J001100 150
072 K001100 0
072 L001100 171
072 M001100 31
072 N001100 139
072 O001100 0
072 P001100 0
072 Q001100 132
072 R001100 36
072 S001100 43
072 T001100 2628
072 U001100 6
<PAGE> PAGE 45
072 V001100 0
072 W001100 55
072 X001100 9928
072 Y001100 0
072 Z001100 5293
072AA001100 26038
072BB001100 4134
072CC011100 168170
072CC021100 0
072DD011100 5158
072DD021100 0
072EE001100 26147
073 A011100 0.1958
073 A021100 0.0000
073 B001100 0.9936
073 C001100 0.0000
074 A001100 42
074 B001100 0
074 C001100 13569
074 D001100 0
074 E001100 0
074 F001100 1239760
074 G001100 0
074 H001100 0
074 I001100 0
074 J001100 387
074 K001100 0
074 L001100 4349
074 M001100 43
074 N001100 1258150
074 O001100 346
074 P001100 787
074 Q001100 0
074 R011100 0
074 R021100 0
074 R031100 0
074 R041100 2999
074 S001100 0
074 T001100 1254018
074 U011100 26479
074 U021100 0
074 V011100 47.36
074 V021100 0.00
074 W001100 0.0000
074 X001100 57591
074 Y001100 139744
075 A001100 0
075 B001100 1051112
076 001100 0.00
008 A001201 MACKAY SHIELDS LLC
008 B001201 S
<PAGE> PAGE 46
008 C001201 801-5594
008 D011201 NEW YORK
008 D021201 NY
008 D031201 10019
008 A001202 MAINSTAY MANAGEMENT LLC
008 B001202 A
008 C001202 801-54912
008 D011202 PARSIPPANY
008 D021202 NJ
008 D031202 07054
028 A011200 292
028 A021200 59
028 A031200 0
028 A041200 610
028 B011200 165
028 B021200 58
028 B031200 0
028 B041200 1732
028 C011200 300
028 C021200 40
028 C031200 0
028 C041200 521
028 D011200 1249
028 D021200 40
028 D031200 0
028 D041200 391
028 E011200 37
028 E021200 43
028 E031200 0
028 E041200 860
028 F011200 70
028 F021200 128
028 F031200 0
028 F041200 286
028 G011200 2113
028 G021200 368
028 G031200 0
028 G041200 4400
028 H001200 681
029 001200 Y
030 A001200 18
030 B001200 4.50
030 C001200 2.00
031 A001200 2
031 B001200 0
032 001200 12
033 001200 4
034 001200 Y
035 001200 16
036 A001200 Y
036 B001200 0
<PAGE> PAGE 47
037 001200 N
038 001200 0
039 001200 N
040 001200 Y
041 001200 Y
042 A001200 0
042 B001200 0
042 C001200 0
042 D001200 0
042 E001200 0
042 F001200 0
042 G001200 0
042 H001200 0
043 001200 99
044 001200 0
055 A001200 N
055 B001200 N
056 001200 Y
057 001200 N
062 A001200 Y
062 B001200 0.0
062 C001200 0.0
062 D001200 0.0
062 E001200 1.3
062 F001200 0.0
062 G001200 0.0
062 H001200 0.0
062 I001200 0.0
062 J001200 0.0
062 K001200 0.0
062 L001200 0.0
062 M001200 0.0
062 N001200 0.0
062 O001200 97.4
062 P001200 0.0
062 Q001200 0.0
062 R001200 1.3
063 A001200 0
063 B001200 21.5
064 A001200 Y
064 B001200 N
066 A001200 N
067 001200 N
068 A001200 N
068 B001200 N
069 001200 N
070 A011200 Y
070 A021200 N
070 B011200 N
070 B021200 N
070 C011200 N
<PAGE> PAGE 48
070 C021200 N
070 D011200 N
070 D021200 N
070 E011200 Y
070 E021200 Y
070 F011200 N
070 F021200 N
070 G011200 Y
070 G021200 N
070 H011200 N
070 H021200 N
070 I011200 N
070 I021200 N
070 J011200 Y
070 J021200 N
070 K011200 N
070 K021200 N
070 L011200 N
070 L021200 N
070 M011200 N
070 M021200 N
070 N011200 N
070 N021200 N
070 O011200 Y
070 O021200 N
070 P011200 Y
070 P021200 N
070 Q011200 N
070 Q021200 N
070 R011200 N
070 R021200 N
071 A001200 33191
071 B001200 35143
071 C001200 26981
071 D001200 123
072 A001200 12
072 B001200 1523
072 C001200 0
072 D001200 0
072 E001200 0
072 F001200 69
072 G001200 69
072 H001200 0
072 I001200 50
072 J001200 10
072 K001200 0
072 L001200 27
072 M001200 1
072 N001200 6
072 O001200 0
072 P001200 0
<PAGE> PAGE 49
072 Q001200 13
072 R001200 26
072 S001200 1
072 T001200 99
072 U001200 0
072 V001200 0
072 W001200 19
072 X001200 390
072 Y001200 18
072 Z001200 1151
072AA001200 313
072BB001200 1484
072CC011200 0
072CC021200 1873
072DD011200 1136
072DD021200 17
072EE001200 60
073 A011200 0.4088
073 A021200 0.3850
073 B001200 0.0215
073 C001200 0.0000
074 A001200 67
074 B001200 0
074 C001200 300
074 D001200 24040
074 E001200 0
074 F001200 0
074 G001200 0
074 H001200 0
074 I001200 0
074 J001200 0
074 K001200 0
074 L001200 320
074 M001200 0
074 N001200 24727
074 O001200 0
074 P001200 26
074 Q001200 0
074 R011200 0
074 R021200 0
074 R031200 0
074 R041200 38
074 S001200 0
074 T001200 24663
074 U011200 2660
074 U021200 118
074 V011200 8.89
074 V021200 8.87
074 W001200 0.0000
074 X001200 664
074 Y001200 2617
<PAGE> PAGE 50
075 A001200 0
075 B001200 27628
076 001200 0.00
008 A001301 MACKAY SHIELDS LLC
008 B001301 S
008 C001301 801-5594
008 D011301 NEW YORK
008 D021301 NY
008 D031301 10019
008 A001302 MAINSTAY MANAGEMENT LLC
008 B001302 A
008 C001302 801-54912
008 D011302 PARSIPPANY
008 D021302 NJ
008 D031302 07054
028 A011300 270
028 A021300 46
028 A031300 0
028 A041300 454
028 B011300 423
028 B021300 45
028 B031300 0
028 B041300 243
028 C011300 57
028 C021300 44
028 C031300 0
028 C041300 260
028 D011300 110
028 D021300 44
028 D031300 0
028 D041300 435
028 E011300 174
028 E021300 43
028 E031300 0
028 E041300 798
028 F011300 211
028 F021300 96
028 F031300 0
028 F041300 486
028 G011300 1245
028 G021300 318
028 G031300 0
028 G041300 2676
028 H001300 266
029 001300 Y
030 A001300 14
030 B001300 4.50
030 C001300 2.00
031 A001300 1
031 B001300 0
032 001300 5
<PAGE> PAGE 51
033 001300 8
034 001300 Y
035 001300 25
036 A001300 Y
036 B001300 0
037 001300 N
038 001300 0
039 001300 N
040 001300 Y
041 001300 Y
042 A001300 0
042 B001300 0
042 C001300 0
042 D001300 0
042 E001300 0
042 F001300 0
042 G001300 0
042 H001300 0
043 001300 76
044 001300 0
055 A001300 N
055 B001300 N
056 001300 Y
057 001300 N
062 A001300 Y
062 B001300 0.0
062 C001300 0.0
062 D001300 0.0
062 E001300 1.0
062 F001300 0.0
062 G001300 0.0
062 H001300 0.0
062 I001300 0.0
062 J001300 0.0
062 K001300 0.0
062 L001300 0.0
062 M001300 0.0
062 N001300 0.0
062 O001300 97.3
062 P001300 0.0
062 Q001300 0.0
062 R001300 1.7
063 A001300 0
063 B001300 19.5
064 A001300 Y
064 B001300 N
066 A001300 N
067 001300 N
068 A001300 N
068 B001300 N
069 001300 N
<PAGE> PAGE 52
070 A011300 Y
070 A021300 N
070 B011300 N
070 B021300 N
070 C011300 N
070 C021300 N
070 D011300 N
070 D021300 N
070 E011300 Y
070 E021300 Y
070 F011300 N
070 F021300 N
070 G011300 Y
070 G021300 N
070 H011300 N
070 H021300 N
070 I011300 N
070 I021300 N
070 J011300 Y
070 J021300 N
070 K011300 N
070 K021300 N
070 L011300 N
070 L021300 N
070 M011300 N
070 M021300 N
070 N011300 N
070 N021300 N
070 O011300 Y
070 O021300 N
070 P011300 Y
070 P021300 N
070 Q011300 N
070 Q021300 N
070 R011300 N
070 R021300 N
071 A001300 17173
071 B001300 19183
071 C001300 22174
071 D001300 77
072 A001300 12
072 B001300 1313
072 C001300 0
072 D001300 0
072 E001300 0
072 F001300 56
072 G001300 56
072 H001300 0
072 I001300 49
072 J001300 13
072 K001300 0
<PAGE> PAGE 53
072 L001300 31
072 M001300 1
072 N001300 10
072 O001300 0
072 P001300 0
072 Q001300 12
072 R001300 27
072 S001300 1
072 T001300 76
072 U001300 0
072 V001300 0
072 W001300 17
072 X001300 349
072 Y001300 51
072 Z001300 1015
072AA001300 172
072BB001300 879
072CC011300 0
072CC021300 1509
072DD011300 1017
072DD021300 0
072EE001300 20
073 A011300 0.4498
073 A021300 0.4243
073 B001300 0.0090
073 C001300 0.0090
074 A001300 58
074 B001300 0
074 C001300 200
074 D001300 19427
074 E001300 0
074 F001300 0
074 G001300 0
074 H001300 0
074 I001300 0
074 J001300 0
074 K001300 0
074 L001300 360
074 M001300 0
074 N001300 20045
074 O001300 0
074 P001300 21
074 Q001300 0
074 R011300 0
074 R021300 0
074 R031300 0
074 R041300 53
074 S001300 0
074 T001300 19971
074 U011300 2194
074 U021300 4
<PAGE> PAGE 54
074 V011300 9.11
074 V021300 9.04
074 W001300 0.0000
074 X001300 626
074 Y001300 3935
075 A001300 0
075 B001300 22386
076 001300 0.00
008 A001401 MACKAY SHIELDS LLC
008 B001401 S
008 C001401 801-5594
008 D011401 NEW YORK
008 D021401 NY
008 D031401 10019
008 A001402 MAINSTAY MANAGEMENT LLC
008 B001402 A
008 C001402 801-54912
008 D011402 PARSIPPANY
008 D021402 NJ
008 D031402 07054
028 A011400 127
028 A021400 79
028 A031400 0
028 A041400 579
028 B011400 565
028 B021400 77
028 B031400 0
028 B041400 1625
028 C011400 209
028 C021400 78
028 C031400 0
028 C041400 591
028 D011400 333
028 D021400 77
028 D031400 0
028 D041400 937
028 E011400 361
028 E021400 75
028 E031400 0
028 E041400 413
028 F011400 628
028 F021400 408
028 F031400 0
028 F041400 885
028 G011400 2223
028 G021400 794
028 G031400 0
028 G041400 5030
028 H001400 227
029 001400 Y
030 A001400 10
<PAGE> PAGE 55
030 B001400 4.50
030 C001400 2.00
031 A001400 1
031 B001400 0
032 001400 5
033 001400 4
034 001400 Y
035 001400 28
036 A001400 Y
036 B001400 0
037 001400 N
038 001400 0
039 001400 N
040 001400 Y
041 001400 Y
042 A001400 0
042 B001400 0
042 C001400 0
042 D001400 0
042 E001400 0
042 F001400 0
042 G001400 0
042 H001400 0
043 001400 197
044 001400 0
055 A001400 N
055 B001400 N
056 001400 Y
057 001400 N
062 A001400 Y
062 B001400 0.0
062 C001400 0.0
062 D001400 0.0
062 E001400 0.0
062 F001400 0.0
062 G001400 0.0
062 H001400 0.0
062 I001400 0.0
062 J001400 0.0
062 K001400 0.3
062 L001400 1.1
062 M001400 0.0
062 N001400 4.5
062 O001400 0.0
062 P001400 13.9
062 Q001400 80.2
062 R001400 0.0
063 A001400 0
063 B001400 7.1
064 A001400 N
064 B001400 N
<PAGE> PAGE 56
066 A001400 N
067 001400 N
068 A001400 N
068 B001400 Y
069 001400 N
070 A011400 Y
070 A021400 N
070 B011400 N
070 B021400 N
070 C011400 Y
070 C021400 N
070 D011400 N
070 D021400 N
070 E011400 Y
070 E021400 N
070 F011400 N
070 F021400 N
070 G011400 Y
070 G021400 N
070 H011400 N
070 H021400 N
070 I011400 Y
070 I021400 N
070 J011400 Y
070 J021400 N
070 K011400 Y
070 K021400 N
070 L011400 Y
070 L021400 Y
070 M011400 Y
070 M021400 Y
070 N011400 Y
070 N021400 N
070 O011400 Y
070 O021400 N
070 P011400 Y
070 P021400 N
070 Q011400 N
070 Q021400 N
070 R011400 N
070 R021400 N
071 A001400 77954
071 B001400 79153
071 C001400 27760
071 D001400 281
072 A001400 12
072 B001400 1621
072 C001400 0
072 D001400 0
072 E001400 0
072 F001400 135
<PAGE> PAGE 57
072 G001400 75
072 H001400 0
072 I001400 116
072 J001400 34
072 K001400 0
072 L001400 23
072 M001400 1
072 N001400 35
072 O001400 0
072 P001400 0
072 Q001400 13
072 R001400 42
072 S001400 0
072 T001400 197
072 U001400 7
072 V001400 0
072 W001400 17
072 X001400 695
072 Y001400 90
072 Z001400 1016
072AA001400 3224
072BB001400 4639
072CC011400 0
072CC021400 2397
072DD011400 1570
072DD021400 2
072EE001400 269
073 A011400 0.5520
073 A021400 0.4842
073 B001400 0.0930
073 C001400 0.0930
074 A001400 19
074 B001400 0
074 C001400 0
074 D001400 25955
074 E001400 0
074 F001400 0
074 G001400 71
074 H001400 0
074 I001400 0
074 J001400 0
074 K001400 0
074 L001400 662
074 M001400 90
074 N001400 26797
074 O001400 0
074 P001400 25
074 Q001400 0
074 R011400 0
074 R021400 0
074 R031400 26
<PAGE> PAGE 58
074 R041400 417
074 S001400 0
074 T001400 26329
074 U011400 2894
074 U021400 5
074 V011400 9.07
074 V021400 9.08
074 W001400 0.0000
074 X001400 3665
074 Y001400 0
075 A001400 0
075 B001400 29937
076 001400 0.00
008 A001501 MACKAY SHIELDS LLC
008 B001501 S
008 C001501 801-5594
008 D011501 NEW YORK
008 D021501 NY
008 D031501 10019
008 A001502 MAINSTAY MANAGEMENT LLC
008 B001502 A
008 C001502 801-54912
008 D011502 PARSIPPANY
008 D021502 NJ
008 D031502 07054
024 001500 N
025 D001501 0
025 D001502 0
025 D001503 0
025 D001504 0
025 D001505 0
025 D001506 0
025 D001507 0
025 D001508 0
028 A011500 8666
028 A021500 0
028 A031500 0
028 A041500 10942
028 B011500 8637
028 B021500 0
028 B031500 0
028 B041500 9132
028 C011500 14830
028 C021500 0
028 C031500 0
028 C041500 14043
028 D011500 16814
028 D021500 0
028 D031500 0
028 D041500 13621
028 E011500 14043
<PAGE> PAGE 59
028 E021500 0
028 E031500 0
028 E041500 16953
028 F011500 19297
028 F021500 2576
028 F031500 0
028 F041500 17504
028 G011500 82287
028 G021500 2576
028 G031500 0
028 G041500 82195
028 H001500 986
029 001500 Y
030 A001500 52
030 B001500 5.50
030 C001500 2.00
031 A001500 2
031 B001500 0
032 001500 13
033 001500 37
034 001500 Y
035 001500 107
036 A001500 Y
036 B001500 0
037 001500 N
038 001500 0
039 001500 N
040 001500 Y
041 001500 Y
042 A001500 0
042 B001500 0
042 C001500 0
042 D001500 0
042 E001500 0
042 F001500 0
042 G001500 0
042 H001500 0
043 001500 861
044 001500 0
055 A001500 N
055 B001500 N
056 001500 Y
057 001500 N
062 A001500 N
062 B001500 0.0
062 C001500 0.0
062 D001500 0.0
062 E001500 0.0
062 F001500 0.0
062 G001500 0.0
062 H001500 0.0
<PAGE> PAGE 60
062 I001500 0.0
062 J001500 0.0
062 K001500 0.0
062 L001500 0.0
062 M001500 0.0
062 N001500 0.0
062 O001500 0.0
062 P001500 0.0
062 Q001500 0.0
062 R001500 0.0
063 A001500 0
063 B001500 0.0
066 A001500 Y
066 B001500 N
066 C001500 N
066 D001500 Y
066 E001500 N
066 F001500 N
066 G001500 N
067 001500 N
068 A001500 N
068 B001500 Y
069 001500 N
070 A011500 Y
070 A021500 N
070 B011500 Y
070 B021500 N
070 C011500 N
070 C021500 N
070 D011500 Y
070 D021500 N
070 E011500 N
070 E021500 N
070 F011500 Y
070 F021500 N
070 G011500 Y
070 G021500 N
070 H011500 Y
070 H021500 N
070 I011500 Y
070 I021500 N
070 J011500 Y
070 J021500 N
070 K011500 Y
070 K021500 N
070 L011500 Y
070 L021500 Y
070 M011500 Y
070 M021500 Y
070 N011500 Y
070 N021500 N
<PAGE> PAGE 61
070 O011500 Y
070 O021500 N
070 P011500 Y
070 P021500 N
070 Q011500 N
070 Q021500 N
070 R011500 N
070 R021500 N
071 A001500 43348
071 B001500 38924
071 C001500 103372
071 D001500 38
072 A001500 12
072 B001500 94
072 C001500 1809
072 D001500 0
072 E001500 0
072 F001500 635
072 G001500 423
072 H001500 0
072 I001500 423
072 J001500 100
072 K001500 0
072 L001500 41
072 M001500 3
072 N001500 41
072 O001500 0
072 P001500 0
072 Q001500 37
072 R001500 42
072 S001500 4
072 T001500 861
072 U001500 6
072 V001500 0
072 W001500 35
072 X001500 2651
072 Y001500 0
072 Z001500 -748
072AA001500 12724
072BB001500 5169
072CC011500 21120
072CC021500 0
072DD011500 276
072DD021500 1
072EE001500 2425
073 A011500 0.0331
073 A021500 0.0331
073 B001500 0.2894
073 C001500 0.2894
074 A001500 1301
074 B001500 0
<PAGE> PAGE 62
074 C001500 0
074 D001500 0
074 E001500 0
074 F001500 129042
074 G001500 307
074 H001500 0
074 I001500 0
074 J001500 19
074 K001500 0
074 L001500 511
074 M001500 275
074 N001500 131455
074 O001500 1008
074 P001500 191
074 Q001500 0
074 R011500 0
074 R021500 0
074 R031500 112
074 R041500 695
074 S001500 0
074 T001500 129449
074 U011500 8592
074 U021500 23
074 V011500 15.23
074 V021500 14.95
074 W001500 0.0000
074 X001500 19409
074 Y001500 2255
075 A001500 0
075 B001500 105760
076 001500 0.00
008 A001601 MACKAY SHIELDS LLC
008 B001601 S
008 C001601 801-5594
008 D011601 NEW YORK
008 D021601 NY
008 D031601 10019
008 A001602 MAINSTAY MANAGEMENT LLC
008 B001602 A
008 C001602 801-54912
008 D011602 PARSIPPANY
008 D021602 NJ
008 D031602 07054
024 001600 Y
025 A001601 DONALDSON LUFKIN JENRETTE
025 C001601 D
025 D001601 0
025 A001602 DLJ
025 C001602 D
025 D001602 161
025 A001603 GOLDMAN SACHS GROUP
<PAGE> PAGE 63
025 C001603 D
025 D001603 0
025 A001604 GOLDMAN SACHS FRN 144A
025 C001604 D
025 D001604 125
025 A001605 LBCMT
025 C001605 D
025 D001605 0
025 A001606 LBCMT
025 C001606 D
025 D001606 0
025 A001607 MSC
025 C001607 D
025 D001607 0
025 A001608 MORGAN STANLEY DEAN WITTER
025 C001608 D
025 D001608 0
025 A001609 MORGAN STANLEY DEAN WITTER
025 C001609 D
025 D001609 230
025 A001610 SBM7
025 C001610 D
025 D001610 208
025 D001611 0
025 D001612 0
025 D001613 0
025 D001614 0
025 D001615 0
025 D001616 0
028 A011600 4034
028 A021600 366
028 A031600 0
028 A041600 4158
028 B011600 2954
028 B021600 368
028 B031600 0
028 B041600 3065
028 C011600 4349
028 C021600 369
028 C031600 0
028 C041600 5074
028 D011600 3400
028 D021600 371
028 D031600 0
028 D041600 4520
028 E011600 4095
028 E021600 365
028 E031600 0
028 E041600 4399
028 F011600 3235
028 F021600 948
<PAGE> PAGE 64
028 F031600 0
028 F041600 5734
028 G011600 22067
028 G021600 2787
028 G031600 0
028 G041600 26950
028 H001600 973
029 001600 Y
030 A001600 61
030 B001600 4.50
030 C001600 2.00
031 A001600 1
031 B001600 0
032 001600 25
033 001600 35
034 001600 Y
035 001600 96
036 A001600 Y
036 B001600 0
037 001600 N
038 001600 0
039 001600 N
040 001600 Y
041 001600 Y
042 A001600 0
042 B001600 0
042 C001600 0
042 D001600 0
042 E001600 0
042 F001600 0
042 G001600 0
042 H001600 0
043 001600 687
044 001600 0
055 A001600 N
055 B001600 N
056 001600 Y
057 001600 N
062 A001600 Y
062 B001600 0.0
062 C001600 0.0
062 D001600 0.0
062 E001600 0.0
062 F001600 0.0
062 G001600 0.0
062 H001600 0.0
062 I001600 4.0
062 J001600 0.0
062 K001600 0.0
062 L001600 2.4
062 M001600 7.2
<PAGE> PAGE 65
062 N001600 9.3
062 O001600 0.0
062 P001600 31.9
062 Q001600 43.1
062 R001600 2.1
063 A001600 0
063 B001600 9.9
064 A001600 N
064 B001600 Y
065 001600 N
066 A001600 N
067 001600 N
068 A001600 N
068 B001600 N
069 001600 N
070 A011600 Y
070 A021600 N
070 B011600 N
070 B021600 N
070 C011600 Y
070 C021600 N
070 D011600 N
070 D021600 N
070 E011600 Y
070 E021600 N
070 F011600 N
070 F021600 N
070 G011600 Y
070 G021600 N
070 H011600 N
070 H021600 N
070 I011600 Y
070 I021600 N
070 J011600 Y
070 J021600 Y
070 K011600 Y
070 K021600 N
070 L011600 Y
070 L021600 Y
070 M011600 Y
070 M021600 Y
070 N011600 Y
070 N021600 N
070 O011600 Y
070 O021600 N
070 P011600 Y
070 P021600 N
070 Q011600 N
070 Q021600 N
070 R011600 N
070 R021600 N
<PAGE> PAGE 66
071 A001600 188808
071 B001600 186593
071 C001600 76596
071 D001600 244
072 A001600 12
072 B001600 6760
072 C001600 283
072 D001600 0
072 E001600 0
072 F001600 254
072 G001600 254
072 H001600 0
072 I001600 162
072 J001600 48
072 K001600 0
072 L001600 35
072 M001600 2
072 N001600 27
072 O001600 0
072 P001600 0
072 Q001600 32
072 R001600 37
072 S001600 4
072 T001600 687
072 U001600 42
072 V001600 0
072 W001600 29
072 X001600 1613
072 Y001600 0
072 Z001600 5430
072AA001600 5842
072BB001600 8270
072CC011600 0
072CC021600 1600
072DD011600 5680
072DD021600 57
072EE001600 258
073 A011600 0.6968
073 A021600 0.6261
073 B001600 0.0295
073 C001600 0.0000
074 A001600 250
074 B001600 0
074 C001600 3563
074 D001600 73475
074 E001600 1245
074 F001600 412
074 G001600 0
074 H001600 0
074 I001600 53
074 J001600 1
<PAGE> PAGE 67
074 K001600 0
074 L001600 1611
074 M001600 258
074 N001600 80868
074 O001600 198
074 P001600 100
074 Q001600 0
074 R011600 0
074 R021600 0
074 R031600 25
074 R041600 211
074 S001600 0
074 T001600 80334
074 U011600 8657
074 U021600 84
074 V011600 9.20
074 V021600 9.19
074 W001600 0.0000
074 X001600 5640
074 Y001600 1182
075 A001600 0
075 B001600 84736
076 001600 0.00
008 A001701 MACKAY SHIELDS LLC
008 B001701 S
008 C001701 801-5594
008 D011701 NEW YORK
008 D021701 NY
008 D031701 10019
008 A001702 MAINSTAY MANAGEMENT LLC
008 B001702 A
008 C001702 801-54912
008 D011702 PARSIPPANY
008 D021702 NJ
008 D031702 07054
028 A011700 831
028 A021700 173
028 A031700 0
028 A041700 1041
028 B011700 680
028 B021700 1
028 B031700 0
028 B041700 515
028 C011700 799
028 C021700 0
028 C031700 0
028 C041700 909
028 D011700 491
028 D021700 150
028 D031700 0
028 D041700 1890
<PAGE> PAGE 68
028 E011700 681
028 E021700 1
028 E031700 0
028 E041700 915
028 F011700 738
028 F021700 1065
028 F031700 0
028 F041700 1513
028 G011700 4220
028 G021700 1390
028 G031700 0
028 G041700 6783
028 H001700 481
029 001700 Y
030 A001700 14
030 B001700 5.50
030 C001700 2.00
031 A001700 0
031 B001700 2
032 001700 6
033 001700 10
034 001700 Y
035 001700 143
036 A001700 Y
036 B001700 0
037 001700 Y
038 001700 0
039 001700 N
040 001700 Y
041 001700 Y
042 A001700 0
042 B001700 0
042 C001700 0
042 D001700 0
042 E001700 0
042 F001700 0
042 G001700 0
042 H001700 0
043 001700 423
044 001700 0
055 A001700 N
055 B001700 N
056 001700 Y
057 001700 N
062 A001700 Y
062 B001700 0.0
062 C001700 0.0
062 D001700 0.0
062 E001700 0.0
062 F001700 0.0
062 G001700 0.0
<PAGE> PAGE 69
062 H001700 0.0
062 I001700 6.6
062 J001700 0.0
062 K001700 0.0
062 L001700 0.6
062 M001700 0.0
062 N001700 0.0
062 O001700 0.0
062 P001700 9.2
062 Q001700 14.5
062 R001700 69.1
063 A001700 0
063 B001700 5.7
064 B001700 Y
065 001700 N
066 A001700 Y
066 B001700 N
066 C001700 N
066 D001700 N
066 E001700 Y
066 F001700 N
066 G001700 N
067 001700 N
068 A001700 N
068 B001700 N
069 001700 N
070 A011700 Y
070 A021700 N
070 B011700 N
070 B021700 N
070 C011700 Y
070 C021700 N
070 D011700 N
070 D021700 N
070 E011700 Y
070 E021700 N
070 F011700 N
070 F021700 N
070 G011700 Y
070 G021700 N
070 H011700 N
070 H021700 N
070 I011700 Y
070 I021700 N
070 J011700 Y
070 J021700 Y
070 K011700 Y
070 K021700 N
070 L011700 Y
070 L021700 Y
070 M011700 Y
<PAGE> PAGE 70
070 M021700 Y
070 N011700 Y
070 N021700 N
070 O011700 Y
070 O021700 N
070 P011700 N
070 P021700 N
070 Q011700 Y
070 Q021700 N
070 R011700 Y
070 R021700 N
071 A001700 66242
071 B001700 76162
071 C001700 54318
071 D001700 122
072 A001700 12
072 B001700 1213
072 C001700 838
072 D001700 0
072 E001700 0
072 F001700 210
072 G001700 210
072 H001700 0
072 I001700 166
072 J001700 40
072 K001700 0
072 L001700 27
072 M001700 1
072 N001700 32
072 O001700 0
072 P001700 0
072 Q001700 22
072 R001700 34
072 S001700 1
072 T001700 423
072 U001700 37
072 V001700 0
072 W001700 25
072 X001700 1228
072 Y001700 0
072 Z001700 823
072AA001700 8104
072BB001700 6522
072CC011700 4186
072CC021700 0
072DD011700 872
072DD021700 2
072EE001700 799
073 A011700 0.2094
073 A021700 0.1687
073 B001700 0.1616
<PAGE> PAGE 71
073 C001700 0.1696
074 A001700 18
074 B001700 0
074 C001700 3684
074 D001700 13015
074 E001700 1925
074 F001700 35871
074 G001700 0
074 H001700 0
074 I001700 0
074 J001700 72
074 K001700 0
074 L001700 338
074 M001700 109
074 N001700 55032
074 O001700 91
074 P001700 69
074 Q001700 0
074 R011700 0
074 R021700 0
074 R031700 0
074 R041700 117
074 S001700 0
074 T001700 54755
074 U011700 4901
074 U021700 14
074 V011700 11.15
074 V021700 11.13
074 W001700 0.0000
074 X001700 6776
074 Y001700 0
075 A001700 0
075 B001700 56089
076 001700 0.00
008 A001801 MACKAY SHIELDS LLC
008 B001801 A
008 C001801 801-5594
008 D011801 NEW YORK
008 D021801 NY
008 D031801 10019
008 A001802 MAINSTAY MANAGEMENT LLC
008 B001802 A
008 C001802 801-54912
008 D011802 PARSIPANNY
008 D021802 NJ
008 D031802 07054
028 A011800 5240
028 A021800 0
028 A031800 0
028 A041800 761
028 B011800 6840
<PAGE> PAGE 72
028 B021800 0
028 B031800 0
028 B041800 1446
028 C011800 7227
028 C021800 0
028 C031800 0
028 C041800 2280
028 D011800 16437
028 D021800 0
028 D031800 0
028 D041800 7340
028 E011800 33464
028 E021800 0
028 E031800 0
028 E041800 12741
028 F011800 38164
028 F021800 0
028 F031800 0
028 F041800 6353
028 G011800 107372
028 G021800 0
028 G031800 0
028 G041800 30921
028 H001800 3321
029 001800 Y
030 A001800 194
030 B001800 5.50
030 C001800 2.00
031 A001800 4
031 B001800 0
032 001800 80
033 001800 110
034 001800 N
035 001800 0
036 B001800 0
037 001800 N
038 001800 0
039 001800 N
040 001800 Y
041 001800 Y
042 A001800 0
042 B001800 0
042 C001800 0
042 D001800 0
042 E001800 0
042 F001800 0
042 G001800 0
042 H001800 0
043 001800 0
044 001800 0
053 A001800 N
<PAGE> PAGE 73
055 A001800 N
055 B001800 N
056 001800 Y
057 001800 N
062 A001800 N
062 B001800 0.0
062 C001800 0.0
062 D001800 0.0
062 E001800 0.0
062 F001800 0.0
062 G001800 0.0
062 H001800 0.0
062 I001800 0.0
062 J001800 0.0
062 K001800 0.0
062 L001800 0.0
062 M001800 0.0
062 N001800 0.0
062 O001800 0.0
062 P001800 0.0
062 Q001800 0.0
062 R001800 0.0
063 A001800 0
063 B001800 0.0
066 A001800 Y
066 B001800 N
066 C001800 Y
066 D001800 N
066 E001800 N
066 F001800 N
066 G001800 N
067 001800 N
068 A001800 N
068 B001800 N
069 001800 N
070 A011800 Y
070 A021800 Y
070 B011800 Y
070 B021800 N
070 C011800 Y
070 C021800 N
070 D011800 Y
070 D021800 N
070 E011800 N
070 E021800 N
070 F011800 Y
070 F021800 N
070 G011800 Y
070 G021800 N
070 H011800 Y
070 H021800 N
<PAGE> PAGE 74
070 I011800 Y
070 I021800 N
070 J011800 Y
070 J021800 N
070 K011800 Y
070 K021800 N
070 L011800 Y
070 L021800 Y
070 M011800 Y
070 M021800 N
070 N011800 Y
070 N021800 N
070 O011800 Y
070 O021800 N
070 P011800 Y
070 P021800 N
070 Q011800 Y
070 Q021800 N
070 R011800 Y
070 R021800 N
071 A001800 139370
071 B001800 59923
071 C001800 70054
071 D001800 86
072 A001800 12
072 B001800 270
072 C001800 31
072 D001800 0
072 E001800 0
072 F001800 0
072 G001800 707
072 H001800 0
072 I001800 256
072 J001800 28
072 K001800 0
072 L001800 22
072 M001800 2
072 N001800 63
072 O001800 0
072 P001800 0
072 Q001800 25
072 R001800 29
072 S001800 3
072 T001800 507
072 U001800 14
072 V001800 0
072 W001800 25
072 X001800 1681
072 Y001800 0
072 Z001800 -1380
072AA001800 21729
<PAGE> PAGE 75
072BB001800 12563
072CC011800 64531
072CC021800 0
072DD011800 0
072DD021800 0
072EE001800 0
073 A011800 0.0000
073 A021800 0.0000
073 B001800 0.0000
073 C001800 0.0000
074 A001800 10
074 B001800 0
074 C001800 16948
074 D001800 0
074 E001800 0
074 F001800 187024
074 G001800 0
074 H001800 0
074 I001800 0
074 J001800 0
074 K001800 0
074 L001800 2217
074 M001800 46
074 N001800 206246
074 O001800 8850
074 P001800 249
074 Q001800 0
074 R011800 0
074 R021800 0
074 R031800 0
074 R041800 157
074 S001800 0
074 T001800 196990
074 U011800 9010
074 U021800 94
074 V011800 21.82
074 V021800 21.55
074 W001800 0.0000
074 X001800 20119
074 Y001800 0
075 A001800 0
075 B001800 70727
076 001800 0.00
008 A001901 DALTON, GREINER, HARTMAN, MAHER & CO.
008 B001901 S
008 C001901 801-36175
008 D011901 NEW YORK
008 D021901 NY
008 D031901 10017
008 A001902 MAINSTAY MANAGEMENT LLC
008 B001902 A
<PAGE> PAGE 76
008 C001902 801-54912
008 D011902 PARSIPPANY
008 D021902 NJ
008 D031902 07054
028 A011900 1007
028 A021900 0
028 A031900 0
028 A041900 182
028 B011900 740
028 B021900 0
028 B031900 0
028 B041900 464
028 C011900 702
028 C021900 0
028 C031900 0
028 C041900 407
028 D011900 679
028 D021900 0
028 D031900 0
028 D041900 484
028 E011900 793
028 E021900 0
028 E031900 0
028 E041900 1912
028 F011900 769
028 F021900 63
028 F031900 0
028 F041900 703
028 G011900 4690
028 G021900 63
028 G031900 0
028 G041900 4152
028 H001900 577
029 001900 Y
030 A001900 31
030 B001900 5.50
030 C001900 2.00
031 A001900 1
031 B001900 0
032 001900 12
033 001900 18
034 001900 Y
035 001900 4
036 A001900 Y
036 B001900 0
037 001900 N
038 001900 0
039 001900 N
040 001900 Y
041 001900 Y
042 A001900 0
<PAGE> PAGE 77
042 B001900 0
042 C001900 0
042 D001900 0
042 E001900 0
042 F001900 0
042 G001900 0
042 H001900 0
043 001900 176
044 001900 0
055 A001900 N
055 B001900 N
056 001900 Y
057 001900 N
062 A001900 N
062 B001900 0.0
062 C001900 0.0
062 D001900 0.0
062 E001900 0.0
062 F001900 0.0
062 G001900 0.0
062 H001900 0.0
062 I001900 0.0
062 J001900 0.0
062 K001900 0.0
062 L001900 0.0
062 M001900 0.0
062 N001900 0.0
062 O001900 0.0
062 P001900 0.0
062 Q001900 0.0
062 R001900 0.0
063 A001900 0
063 B001900 0.0
066 A001900 Y
066 B001900 Y
066 C001900 N
066 D001900 N
066 E001900 N
066 F001900 N
066 G001900 N
067 001900 N
068 A001900 N
068 B001900 N
069 001900 N
070 A011900 Y
070 A021900 N
070 B011900 Y
070 B021900 N
070 C011900 Y
070 C021900 N
070 D011900 Y
<PAGE> PAGE 78
070 D021900 N
070 E011900 Y
070 E021900 N
070 F011900 Y
070 F021900 N
070 G011900 Y
070 G021900 N
070 H011900 Y
070 H021900 N
070 I011900 Y
070 I021900 N
070 J011900 Y
070 J021900 N
070 K011900 Y
070 K021900 N
070 L011900 Y
070 L021900 N
070 M011900 N
070 M021900 N
070 N011900 Y
070 N021900 N
070 O011900 N
070 O021900 N
070 P011900 Y
070 P021900 N
070 Q011900 N
070 Q021900 N
070 R011900 N
070 R021900 N
071 A001900 17723
071 B001900 11137
071 C001900 26594
071 D001900 42
072 A001900 12
072 B001900 65
072 C001900 362
072 D001900 0
072 E001900 0
072 F001900 0
072 G001900 280
072 H001900 0
072 I001900 115
072 J001900 26
072 K001900 0
072 L001900 28
072 M001900 1
072 N001900 34
072 O001900 0
072 P001900 0
072 Q001900 13
072 R001900 23
<PAGE> PAGE 79
072 S001900 1
072 T001900 176
072 U001900 13
072 V001900 0
072 W001900 15
072 X001900 725
072 Y001900 88
072 Z001900 -210
072AA001900 1969
072BB001900 1795
072CC011900 0
072CC021900 1788
072DD011900 0
072DD021900 0
072EE001900 0
073 A011900 0.0000
073 A021900 0.0000
073 B001900 0.0200
073 C001900 0.0200
074 A001900 30
074 B001900 0
074 C001900 1558
074 D001900 0
074 E001900 0
074 F001900 29788
074 G001900 0
074 H001900 0
074 I001900 0
074 J001900 194
074 K001900 0
074 L001900 74
074 M001900 46
074 N001900 31690
074 O001900 0
074 P001900 56
074 Q001900 0
074 R011900 0
074 R021900 0
074 R031900 0
074 R041900 73
074 S001900 0
074 T001900 31561
074 U011900 3252
074 U021900 67
074 V011900 9.56
074 V021900 9.46
074 W001900 0.0000
074 X001900 4548
074 Y001900 0
075 A001900 0
075 B001900 27962
<PAGE> PAGE 80
076 001900 0.00
008 A002001 GABELLI ASSET MANAGEMENT, INC.
008 B002001 S
008 C002001 801-47568
008 D012001 RYE
008 D022001 NY
008 D032001 10580
008 A002002 MAINSTAY MANAGEMENT LLC
008 B002002 A
008 C002002 801-54912
008 D012002 PARSIPPANY
008 D022002 NJ
008 D032002 07054
024 002000 Y
025 A002001 MERRILL LYNCH
025 B002001 13-2740599
025 C002001 E
025 D002001 4182
025 D002002 0
025 D002003 0
025 D002004 0
025 D002005 0
025 D002006 0
025 D002007 0
025 D002008 0
028 A012000 12043
028 A022000 0
028 A032000 0
028 A042000 1690
028 B012000 13618
028 B022000 0
028 B032000 0
028 B042000 2507
028 C012000 12967
028 C022000 0
028 C032000 0
028 C042000 2672
028 D012000 17752
028 D022000 0
028 D032000 0
028 D042000 3584
028 E012000 24602
028 E022000 0
028 E032000 0
028 E042000 3334
028 F012000 29331
028 F022000 0
028 F032000 0
028 F042000 4154
028 G012000 110313
028 G022000 0
<PAGE> PAGE 81
028 G032000 0
028 G042000 17938
028 H002000 5145
029 002000 Y
030 A002000 285
030 B002000 5.50
030 C002000 2.00
031 A002000 6
031 B002000 0
032 002000 90
033 002000 189
034 002000 Y
035 002000 9
036 A002000 Y
036 B002000 0
037 002000 N
038 002000 0
039 002000 N
040 002000 Y
041 002000 Y
042 A002000 0
042 B002000 0
042 C002000 0
042 D002000 0
042 E002000 0
042 F002000 0
042 G002000 0
042 H002000 0
043 002000 1255
044 002000 0
055 A002000 N
055 B002000 N
056 002000 Y
057 002000 N
062 A002000 N
062 B002000 0.0
062 C002000 0.0
062 D002000 0.0
062 E002000 0.0
062 F002000 0.0
062 G002000 0.0
062 H002000 0.0
062 I002000 0.0
062 J002000 0.0
062 K002000 0.0
062 L002000 0.0
062 M002000 0.0
062 N002000 0.0
062 O002000 0.0
062 P002000 0.0
062 Q002000 0.0
<PAGE> PAGE 82
062 R002000 0.0
063 A002000 0
063 B002000 0.0
066 A002000 Y
066 B002000 N
066 C002000 Y
066 D002000 N
066 E002000 N
066 F002000 N
066 G002000 N
067 002000 N
068 A002000 N
068 B002000 N
069 002000 N
070 A012000 Y
070 A022000 N
070 B012000 Y
070 B022000 N
070 C012000 Y
070 C022000 N
070 D012000 Y
070 D022000 N
070 E012000 Y
070 E022000 N
070 F012000 Y
070 F022000 N
070 G012000 Y
070 G022000 N
070 H012000 Y
070 H022000 N
070 I012000 Y
070 I022000 N
070 J012000 Y
070 J022000 N
070 K012000 Y
070 K022000 N
070 L012000 Y
070 L022000 Y
070 M012000 Y
070 M022000 N
070 N012000 N
070 N022000 N
070 O012000 N
070 O022000 N
070 P012000 Y
070 P022000 N
070 Q012000 N
070 Q022000 N
070 R012000 Y
070 R022000 N
071 A002000 228959
<PAGE> PAGE 83
071 B002000 64735
071 C002000 151477
071 D002000 43
072 A002000 12
072 B002000 148
072 C002000 975
072 D002000 0
072 E002000 0
072 F002000 1523
072 G002000 0
072 H002000 0
072 I002000 479
072 J002000 29
072 K002000 0
072 L002000 53
072 M002000 5
072 N002000 69
072 O002000 0
072 P002000 0
072 Q002000 41
072 R002000 31
072 S002000 6
072 T002000 1255
072 U002000 14
072 V002000 0
072 W002000 45
072 X002000 3550
072 Y002000 0
072 Z002000 -2427
072AA002000 9023
072BB002000 7259
072CC012000 65187
072CC022000 0
072DD012000 0
072DD022000 0
072EE002000 0
073 A012000 0.0000
073 A022000 0.0000
073 B002000 0.0000
073 C002000 0.0000
074 A002000 1
074 B002000 7320
074 C002000 0
074 D002000 0
074 E002000 0
074 F002000 287256
074 G002000 0
074 H002000 0
074 I002000 0
074 J002000 0
074 K002000 0
<PAGE> PAGE 84
074 L002000 2380
074 M002000 46
074 N002000 297003
074 O002000 0
074 P002000 423
074 Q002000 0
074 R012000 0
074 R022000 0
074 R032000 0
074 R042000 217
074 S002000 0
074 T002000 296363
074 U012000 17673
074 U022000 437
074 V012000 16.50
074 V022000 16.33
074 W002000 0.0000
074 X002000 34961
074 Y002000 0
075 A002000 0
075 B002000 152262
076 002000 0.00
008 A002101 MACKAY SHIELDS LLC
008 B002101 S
008 C002101 801-5594
008 D012101 NEW YORK
008 D022101 NY
008 D032101 10019
008 A002102 MAINSTAY MANAGEMENT LLC
008 B002102 A
008 C002102 801-54912
008 D012102 PARSIPPANY
008 D022102 NJ
008 D032102 07054
024 002100 Y
025 A002101 EVEREST REINSURANCE HLDGS.
025 C002101 E
025 D002101 0
025 D002102 0
025 D002103 0
025 D002104 0
025 D002105 0
025 D002106 0
025 D002107 0
025 D002108 0
028 A012100 3474
028 A022100 45
028 A032100 0
028 A042100 319
028 B012100 4203
028 B022100 0
<PAGE> PAGE 85
028 B032100 0
028 B042100 241
028 C012100 4014
028 C022100 0
028 C032100 0
028 C042100 881
028 D012100 3175
028 D022100 67
028 D032100 0
028 D042100 557
028 E012100 3445
028 E022100 0
028 E032100 0
028 E042100 1115
028 F012100 3462
028 F022100 2500
028 F032100 0
028 F042100 1921
028 G012100 21774
028 G022100 2612
028 G032100 0
028 G042100 5034
028 H002100 1802
029 002100 Y
030 A002100 89
030 B002100 5.50
030 C002100 2.00
031 A002100 2
031 B002100 0
032 002100 26
033 002100 61
034 002100 Y
035 002100 0
036 A002100 Y
036 B002100 0
037 002100 N
038 002100 0
039 002100 N
040 002100 Y
041 002100 Y
055 A002100 N
055 B002100 N
056 002100 Y
057 002100 N
062 A002100 N
062 B002100 0.0
062 C002100 0.0
062 D002100 0.0
062 E002100 0.0
062 F002100 0.0
062 G002100 0.0
<PAGE> PAGE 86
062 H002100 0.0
062 I002100 0.0
062 J002100 0.0
062 K002100 0.0
062 L002100 0.0
062 M002100 0.0
062 N002100 0.0
062 O002100 0.0
062 P002100 0.0
062 Q002100 0.0
062 R002100 0.0
063 A002100 0
063 B002100 0.0
066 A002100 Y
066 B002100 N
066 C002100 N
066 D002100 N
066 E002100 N
066 F002100 N
066 G002100 Y
067 002100 N
068 A002100 N
068 B002100 N
069 002100 N
070 A012100 Y
070 A022100 N
070 B012100 Y
070 B022100 N
070 C012100 Y
070 C022100 N
070 D012100 Y
070 D022100 N
070 E012100 N
070 E022100 N
070 F012100 Y
070 F022100 N
070 G012100 Y
070 G022100 N
070 H012100 Y
070 H022100 N
070 I012100 Y
070 I022100 N
070 J012100 Y
070 J022100 N
070 K012100 Y
070 K022100 N
070 L012100 Y
070 L022100 Y
070 M012100 Y
070 M022100 N
070 N012100 Y
<PAGE> PAGE 87
070 N022100 N
070 O012100 Y
070 O022100 N
070 P012100 Y
070 P022100 N
070 Q012100 Y
070 Q022100 N
070 R012100 Y
070 R022100 N
071 A002100 71657
071 B002100 48092
071 C002100 24970
071 D002100 193
072 A002100 12
072 B002100 821
072 C002100 157
072 D002100 0
072 E002100 0
072 F002100 0
072 G002100 191
072 H002100 0
072 I002100 85
072 J002100 23
072 K002100 0
072 L002100 22
072 M002100 1
072 N002100 37
072 O002100 0
072 P002100 0
072 Q002100 14
072 R002100 22
072 S002100 1
072 T002100 167
072 U002100 13
072 V002100 0
072 W002100 18
072 X002100 594
072 Y002100 46
072 Z002100 430
072AA002100 4147
072BB002100 1201
072CC012100 796
072CC022100 0
072DD012100 441
072DD022100 4
072EE002100 2540
073 A012100 0.2200
073 A022100 0.1500
073 B002100 0.0000
073 C002100 0.0000
074 A002100 5
<PAGE> PAGE 88
074 B002100 0
074 C002100 3879
074 D002100 0
074 E002100 647
074 F002100 39537
074 G002100 0
074 H002100 0
074 I002100 0
074 J002100 480
074 K002100 0
074 L002100 101
074 M002100 46
074 N002100 44695
074 O002100 1173
074 P002100 69
074 Q002100 0
074 R012100 0
074 R022100 0
074 R032100 0
074 R042100 62
074 S002100 0
074 T002100 43391
074 U012100 3608
074 U022100 70
074 V012100 12.50
074 V022100 11.78
074 W002100 0.0000
074 X002100 5105
074 Y002100 0
075 A002100 0
075 B002100 27238
076 002100 0.00
008 A002201 MADISON SQUARE ADVISORS LLC
008 B002201 S
008 C002201 801-55061
008 D012201 NEW YORK
008 D022201 NY
008 D032201 10010
008 A002202 MAINSTAY MANAGEMENT LLC
008 B002202 A
008 C002202 801-54912
008 D012202 PARSIPPANY
008 D022202 NJ
008 D032202 07054
024 002200 N
028 A012200 3775
028 A022200 0
028 A032200 0
028 A042200 679
028 B012200 3594
028 B022200 0
<PAGE> PAGE 89
028 B032200 0
028 B042200 2043
028 C012200 3947
028 C022200 0
028 C032200 0
028 C042200 331
028 D012200 3418
028 D022200 0
028 D032200 0
028 D042200 727
028 E012200 4896
028 E022200 0
028 E032200 0
028 E042200 628
028 F012200 5144
028 F022200 46
028 F032200 0
028 F042200 1231
028 G012200 24774
028 G022200 46
028 G032200 0
028 G042200 5639
028 H002200 1480
029 002200 Y
030 A002200 75
030 B002200 5.50
030 C002200 2.00
031 A002200 0
031 B002200 0
032 002200 18
033 002200 57
034 002200 Y
035 002200 2
036 A002200 Y
036 B002200 0
037 002200 N
038 002200 0
039 002200 N
040 002200 Y
041 002200 Y
042 A002200 0
042 B002200 0
042 C002200 0
042 D002200 0
042 E002200 0
042 F002200 0
042 G002200 0
042 H002200 0
043 002200 389
044 002200 0
055 A002200 N
<PAGE> PAGE 90
055 B002200 N
056 002200 N
057 002200 N
062 A002200 N
062 B002200 0.0
062 C002200 0.0
062 D002200 0.0
062 E002200 0.0
062 F002200 0.0
062 G002200 0.0
062 H002200 0.0
062 I002200 0.0
062 J002200 0.0
062 K002200 0.0
062 L002200 0.0
062 M002200 0.0
062 N002200 0.0
062 O002200 0.0
062 P002200 0.0
062 Q002200 0.0
062 R002200 0.0
063 A002200 0
063 B002200 0.0
066 A002200 Y
066 B002200 N
066 C002200 N
066 D002200 N
066 E002200 Y
066 F002200 N
066 G002200 N
067 002200 N
068 A002200 N
068 B002200 N
069 002200 N
070 A012200 Y
070 A022200 N
070 B012200 Y
070 B022200 N
070 C012200 Y
070 C022200 N
070 D012200 Y
070 D022200 N
070 E012200 N
070 E022200 N
070 F012200 Y
070 F022200 N
070 G012200 Y
070 G022200 N
070 H012200 Y
070 H022200 N
070 I012200 Y
<PAGE> PAGE 91
070 I022200 N
070 J012200 Y
070 J022200 N
070 K012200 Y
070 K022200 N
070 L012200 Y
070 L022200 N
070 M012200 Y
070 M022200 N
070 N012200 Y
070 N022200 N
070 O012200 Y
070 O022200 N
070 P012200 Y
070 P022200 N
070 Q012200 Y
070 Q022200 N
070 R012200 Y
070 R022200 N
071 A002200 69777
071 B002200 33602
071 C002200 46484
071 D002200 72
072 A002200 12
072 B002200 335
072 C002200 419
072 D002200 0
072 E002200 0
072 F002200 0
072 G002200 370
072 H002200 0
072 I002200 159
072 J002200 22
072 K002200 0
072 L002200 26
072 M002200 2
072 N002200 41
072 O002200 0
072 P002200 0
072 Q002200 21
072 R002200 29
072 S002200 2
072 T002200 390
072 U002200 13
072 V002200 0
072 W002200 22
072 X002200 1097
072 Y002200 0
072 Z002200 -343
072AA002200 5136
072BB002200 3963
<PAGE> PAGE 92
072CC012200 14865
072CC022200 0
072DD012200 0
072DD022200 0
072EE002200 0
073 A012200 0.0000
073 A022200 0.0000
073 B002200 0.0100
073 C002200 0.0100
074 A002200 7
074 B002200 0
074 C002200 10929
074 D002200 0
074 E002200 0
074 F002200 74783
074 G002200 0
074 H002200 0
074 I002200 0
074 J002200 0
074 K002200 0
074 L002200 403
074 M002200 46
074 N002200 86168
074 O002200 0
074 P002200 102
074 Q002200 0
074 R012200 0
074 R022200 0
074 R032200 0
074 R042200 108
074 S002200 0
074 T002200 85958
074 U012200 5586
074 U022200 53
074 V012200 15.37
074 V022200 15.19
074 W002200 0.0000
074 X002200 9835
074 Y002200 0
075 A002200 0
075 B002200 52805
076 002200 0.00
008 A002301 JOHN A. LEVIN & CO.
008 B002301 S
008 C002301 801-52602
008 D012301 NEW YORK
008 D022301 NY
008 D032301 10020
008 A002302 MAINSTAY MANAGEMENT LLC
008 B002302 A
008 C002302 801-54912
<PAGE> PAGE 93
008 D012302 PARSIPPANY
008 D022302 NJ
008 D032302 07054
024 002300 N
028 A012300 634
028 A022300 0
028 A032300 0
028 A042300 84
028 B012300 955
028 B022300 0
028 B032300 0
028 B042300 79
028 C012300 610
028 C022300 0
028 C032300 0
028 C042300 209
028 D012300 617
028 D022300 0
028 D032300 0
028 D042300 58
028 E012300 659
028 E022300 0
028 E032300 0
028 E042300 167
028 F012300 921
028 F022300 1072
028 F032300 0
028 F042300 205
028 G012300 4396
028 G022300 1072
028 G032300 0
028 G042300 802
028 H002300 459
029 002300 Y
030 A002300 20
030 B002300 5.50
030 C002300 2.00
031 A002300 1
031 B002300 0
032 002300 9
033 002300 10
034 002300 Y
035 002300 1
036 A002300 Y
036 B002300 0
037 002300 N
038 002300 0
039 002300 N
040 002300 Y
041 002300 Y
042 A002300 0
<PAGE> PAGE 94
042 B002300 0
042 C002300 0
042 D002300 0
042 E002300 0
042 F002300 0
042 G002300 0
042 H002300 0
043 002300 110
044 002300 0
055 A002300 N
055 B002300 N
056 002300 Y
057 002300 N
062 A002300 N
062 B002300 0.0
062 C002300 0.0
062 D002300 0.0
062 E002300 0.0
062 F002300 0.0
062 G002300 0.0
062 H002300 0.0
062 I002300 0.0
062 J002300 0.0
062 K002300 0.0
062 L002300 0.0
062 M002300 0.0
062 N002300 0.0
062 O002300 0.0
062 P002300 0.0
062 Q002300 0.0
062 R002300 0.0
063 A002300 0
063 B002300 0.0
066 A002300 Y
066 B002300 N
066 C002300 Y
066 D002300 N
066 E002300 N
066 F002300 N
066 G002300 N
067 002300 N
068 A002300 N
068 B002300 N
069 002300 N
070 A012300 Y
070 A022300 N
070 B012300 Y
070 B022300 N
070 C012300 N
070 C022300 N
070 D012300 Y
<PAGE> PAGE 95
070 D022300 N
070 E012300 N
070 E022300 N
070 F012300 Y
070 F022300 N
070 G012300 N
070 G022300 N
070 H012300 Y
070 H022300 N
070 I012300 N
070 I022300 N
070 J012300 Y
070 J022300 N
070 K012300 Y
070 K022300 N
070 L012300 Y
070 L022300 Y
070 M012300 Y
070 M022300 N
070 N012300 N
070 N022300 N
070 O012300 N
070 O022300 N
070 P012300 N
070 P022300 N
070 Q012300 N
070 Q022300 N
070 R012300 N
070 R022300 N
071 A002300 19489
071 B002300 11983
071 C002300 19086
071 D002300 63
072 A002300 12
072 B002300 47
072 C002300 248
072 D002300 0
072 E002300 0
072 F002300 0
072 G002300 171
072 H002300 0
072 I002300 69
072 J002300 18
072 K002300 0
072 L002300 25
072 M002300 1
072 N002300 33
072 O002300 0
072 P002300 0
072 Q002300 12
072 R002300 22
<PAGE> PAGE 96
072 S002300 1
072 T002300 110
072 U002300 13
072 V002300 0
072 W002300 14
072 X002300 489
072 Y002300 68
072 Z002300 -126
072AA002300 2506
072BB002300 1162
072CC012300 2062
072CC022300 0
072DD012300 0
072DD022300 0
072EE002300 0
073 A012300 0.0000
073 A022300 0.0000
073 B002300 0.5500
073 C002300 0.5500
074 A002300 0
074 B002300 0
074 C002300 383
074 D002300 0
074 E002300 0
074 F002300 24856
074 G002300 0
074 H002300 0
074 I002300 0
074 J002300 0
074 K002300 0
074 L002300 125
074 M002300 46
074 N002300 25410
074 O002300 0
074 P002300 41
074 Q002300 0
074 R012300 0
074 R022300 0
074 R032300 0
074 R042300 59
074 S002300 0
074 T002300 25310
074 U012300 2089
074 U022300 100
074 V012300 11.62
074 V022300 11.48
074 W002300 0.0000
074 X002300 2022
074 Y002300 0
075 A002300 0
075 B002300 20088
<PAGE> PAGE 97
076 002300 0.00
008 A002401 MACKAY SHIELDS LLC
008 B002401 S
008 C002401 801-5594
008 D012401 PARSIPPANY
008 D022401 NJ
008 D032401 07054
008 A002402 MAINSTAY MANAGEMENT LLC
008 B002402 A
008 C002402 801-54912
008 D012402 PARSIPPANY
008 D022402 NJ
008 D032402 07054
024 002400 N
028 A012400 168
028 A022400 11
028 A032400 0
028 A042400 64
028 B012400 259
028 B022400 11
028 B032400 0
028 B042400 178
028 C012400 262
028 C022400 12
028 C032400 0
028 C042400 12
028 D012400 79
028 D022400 13
028 D032400 0
028 D042400 80
028 E012400 182
028 E022400 13
028 E032400 0
028 E042400 172
028 F012400 79
028 F022400 47
028 F032400 0
028 F042400 68
028 G012400 1029
028 G022400 107
028 G032400 0
028 G042400 574
028 H002400 182
029 002400 Y
030 A002400 7
030 B002400 4.50
030 C002400 2.00
031 A002400 0
031 B002400 0
032 002400 0
033 002400 7
<PAGE> PAGE 98
034 002400 Y
035 002400 3
036 A002400 Y
036 B002400 0
037 002400 N
038 002400 0
039 002400 N
040 002400 Y
041 002400 Y
042 A002400 0
042 B002400 0
042 C002400 0
042 D002400 0
042 E002400 0
042 F002400 0
042 G002400 0
042 H002400 0
043 002400 50
044 002400 0
055 A002400 N
055 B002400 N
056 002400 Y
057 002400 N
062 A002400 Y
062 B002400 0.0
062 C002400 0.0
062 D002400 0.0
062 E002400 0.0
062 F002400 0.0
062 G002400 0.0
062 H002400 0.0
062 I002400 2.3
062 J002400 0.0
062 K002400 0.0
062 L002400 2.1
062 M002400 0.0
062 N002400 0.0
062 O002400 0.0
062 P002400 11.7
062 Q002400 86.2
062 R002400 0.6
063 A002400 0
063 B002400 14.2
066 A002400 N
067 002400 N
068 A002400 N
068 B002400 Y
069 002400 N
070 A012400 Y
070 A022400 N
070 B012400 Y
<PAGE> PAGE 99
070 B022400 N
070 C012400 Y
070 C022400 N
070 D012400 Y
070 D022400 N
070 E012400 N
070 E022400 N
070 F012400 Y
070 F022400 N
070 G012400 Y
070 G022400 N
070 H012400 Y
070 H022400 N
070 I012400 Y
070 I022400 N
070 J012400 Y
070 J022400 N
070 K012400 Y
070 K022400 N
070 L012400 Y
070 L022400 Y
070 M012400 Y
070 M022400 Y
070 N012400 Y
070 N022400 N
070 O012400 Y
070 O022400 N
070 P012400 Y
070 P022400 N
070 Q012400 Y
070 Q022400 N
070 R012400 Y
070 R022400 N
071 A002400 11856
071 B002400 10539
071 C002400 10135
071 D002400 104
072 A002400 12
072 B002400 1212
072 C002400 0
072 D002400 0
072 E002400 0
072 F002400 38
072 G002400 38
072 H002400 0
072 I002400 50
072 J002400 21
072 K002400 0
072 L002400 33
072 M002400 0
072 N002400 32
<PAGE> PAGE 100
072 O002400 0
072 P002400 0
072 Q002400 12
072 R002400 23
072 S002400 0
072 T002400 50
072 U002400 14
072 V002400 0
072 W002400 12
072 X002400 323
072 Y002400 116
072 Z002400 1005
072AA002400 152
072BB002400 892
072CC012400 1562
072CC022400 0
072DD012400 1026
072DD022400 4
072EE002400 0
073 A012400 0.7878
073 A022400 0.7238
073 B002400 0.0000
073 C002400 0.0000
074 A002400 158
074 B002400 0
074 C002400 0
074 D002400 11767
074 E002400 0
074 F002400 0
074 G002400 0
074 H002400 0
074 I002400 0
074 J002400 0
074 K002400 0
074 L002400 274
074 M002400 46
074 N002400 12245
074 O002400 150
074 P002400 18
074 Q002400 0
074 R012400 0
074 R022400 0
074 R032400 0
074 R042400 55
074 S002400 0
074 T002400 12022
074 U012400 1395
074 U022400 9
074 V012400 8.58
074 V022400 8.54
074 W002400 0.0000
<PAGE> PAGE 101
074 X002400 671
074 Y002400 0
075 A002400 0
075 B002400 10749
076 002400 0.00
008 A002501 MARKSTON INTERNATIONAL LLC
008 B002501 S
008 C002501 801-56141
008 D012501 WHITE PLAINS
008 D022501 NY
008 D032501 10606
008 A002502 MAINSTAY MANAGEMENT LLC
008 B002502 A
008 C002502 801-54912
008 D012502 PARSIPPANY
008 D022502 NJ
008 D032502 07054
024 002500 N
028 A012500 5862
028 A022500 192
028 A032500 0
028 A042500 1849
028 B012500 3270
028 B022500 0
028 B032500 0
028 B042500 819
028 C012500 4358
028 C022500 0
028 C032500 0
028 C042500 1942
028 D012500 2831
028 D022500 0
028 D032500 0
028 D042500 663
028 E012500 3001
028 E022500 0
028 E032500 0
028 E042500 726
028 F012500 3665
028 F022500 2802
028 F032500 0
028 F042500 3201
028 G012500 22987
028 G022500 2994
028 G032500 0
028 G042500 9200
028 H002500 1869
029 002500 Y
030 A002500 101
030 B002500 5.50
030 C002500 2.00
<PAGE> PAGE 102
031 A002500 9
031 B002500 0
032 002500 64
033 002500 28
034 002500 Y
035 002500 13
036 A002500 Y
036 B002500 0
037 002500 N
038 002500 0
040 002500 Y
041 002500 Y
042 A002500 0
042 B002500 0
042 C002500 0
042 D002500 0
042 E002500 0
042 F002500 0
042 G002500 0
042 H002500 0
043 002500 0
044 002500 0
055 A002500 N
055 B002500 N
056 002500 Y
057 002500 N
058 A002500 N
059 002500 Y
060 A002500 Y
060 B002500 Y
061 002500 0
062 A002500 N
062 B002500 0.0
062 C002500 0.0
062 D002500 0.0
062 E002500 0.0
062 F002500 0.0
062 G002500 0.0
062 H002500 0.0
062 I002500 0.0
062 J002500 0.0
062 K002500 0.0
062 L002500 0.0
062 M002500 0.0
062 N002500 0.0
062 O002500 0.0
062 P002500 0.0
062 Q002500 0.0
062 R002500 0.0
063 A002500 0
063 B002500 0.0
<PAGE> PAGE 103
066 A002500 Y
066 B002500 N
066 C002500 N
066 D002500 N
066 E002500 Y
066 F002500 N
066 G002500 N
067 002500 N
068 A002500 N
068 B002500 N
069 002500 N
070 A012500 N
070 A022500 N
070 B012500 N
070 B022500 N
070 C012500 N
070 C022500 N
070 D012500 N
070 D022500 N
070 E012500 N
070 E022500 N
070 F012500 N
070 F022500 N
070 G012500 N
070 G022500 N
070 H012500 N
070 H022500 N
070 I012500 N
070 I022500 N
070 J012500 N
070 J022500 N
070 K012500 N
070 K022500 N
070 L012500 Y
070 L022500 Y
070 M012500 N
070 M022500 N
070 N012500 N
070 N022500 N
070 O012500 N
070 O022500 N
070 P012500 N
070 P022500 N
070 Q012500 Y
070 Q022500 N
070 R012500 Y
070 R022500 N
071 A002500 39232
071 B002500 20746
071 C002500 65344
071 D002500 32
<PAGE> PAGE 104
072 A002500 12
072 B002500 187
072 C002500 761
072 D002500 0
072 E002500 0
072 F002500 244
072 G002500 127
072 H002500 0
072 I002500 131
072 J002500 47
072 K002500 0
072 L002500 24
072 M002500 7
072 N002500 18
072 O002500 0
072 P002500 0
072 Q002500 16
072 R002500 31
072 S002500 19
072 T002500 42
072 U002500 0
072 V002500 0
072 W002500 48
072 X002500 754
072 Y002500 66
072 Z002500 260
072AA002500 6874
072BB002500 2775
072CC012500 0
072CC022500 4226
072DD012500 41
072DD022500 269
072EE002500 3492
073 A012500 0.0745
073 A022500 0.1093
073 B002500 0.9911
073 C002500 0.0000
074 A002500 22
074 B002500 0
074 C002500 2850
074 D002500 0
074 E002500 308
074 F002500 83500
074 G002500 0
074 H002500 0
074 I002500 0
074 J002500 16
074 K002500 0
074 L002500 268
074 M002500 0
074 N002500 86964
<PAGE> PAGE 105
074 O002500 720
074 P002500 63
074 Q002500 0
074 R012500 0
074 R022500 0
074 R032500 0
074 R042500 82
074 S002500 0
074 T002500 86099
074 U012500 865
074 U022500 2418
074 V012500 26.17
074 V022500 26.25
074 W002500 0.0000
074 X002500 5048
074 Y002500 0
075 A002500 0
075 B002500 74855
076 002500 0.00
SIGNATURE CYNTHIA BAUGHMAN
TITLE ATTORNEY
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 101
<NAME> MAINSTAY CAPITAL APPRECIATION FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 2,299,040,129
<INVESTMENTS-AT-VALUE> 4,113,532,937
<RECEIVABLES> 24,516,846
<ASSETS-OTHER> 2,842
<OTHER-ITEMS-ASSETS> 1,527
<TOTAL-ASSETS> 4,138,054,152
<PAYABLE-FOR-SECURITIES> 30,907,289
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 9,789,510
<TOTAL-LIABILITIES> 40,696,799
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2,019,322,062
<SHARES-COMMON-STOCK> 10,288,494
<SHARES-COMMON-PRIOR> 8,100,298
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 263,542,483
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1,814,492,808
<NET-ASSETS> 4,097,357,353
<DIVIDEND-INCOME> 13,092,154
<INTEREST-INCOME> 5,430,815
<OTHER-INCOME> 0
<EXPENSES-NET> (57,275,515)
<NET-INVESTMENT-INCOME> (38,752,546)
<REALIZED-GAINS-CURRENT> 502,721,524
<APPREC-INCREASE-CURRENT> 327,050,222
<NET-CHANGE-FROM-OPS> 791,019,200
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (33,915,675)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 17,459,624
<NUMBER-OF-SHARES-REDEEMED> (15,835,737)
<SHARES-REINVESTED> 564,309
<NET-CHANGE-IN-ASSETS> 947,896,932
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 11,276,738
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 12,484,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 64,015,000
<AVERAGE-NET-ASSETS> 3,467,905,000
<PER-SHARE-NAV-BEGIN> 48.740
<PER-SHARE-NII> (0.240)
<PER-SHARE-GAIN-APPREC> 12.220
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> (3.600)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 57.120
<EXPENSE-RATIO> 1.000
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 101
<NAME> MAINSTAY CAPITAL APPRECIATION FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 2,299,040,129
<INVESTMENTS-AT-VALUE> 4,113,532,937
<RECEIVABLES> 24,516,846
<ASSETS-OTHER> 2,842
<OTHER-ITEMS-ASSETS> 1,527
<TOTAL-ASSETS> 4,138,054,152
<PAYABLE-FOR-SECURITIES> 30,907,289
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 9,789,510
<TOTAL-LIABILITIES> 40,696,799
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2,019,322,062
<SHARES-COMMON-STOCK> 63,220,504
<SHARES-COMMON-PRIOR> 57,912,585
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 263,542,483
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1,814,492,808
<NET-ASSETS> 4,097,357,353
<DIVIDEND-INCOME> 13,092,154
<INTEREST-INCOME> 5,430,815
<OTHER-INCOME> 0
<EXPENSES-NET> (57,275,515)
<NET-INVESTMENT-INCOME> (38,752,546)
<REALIZED-GAINS-CURRENT> 502,721,524
<APPREC-INCREASE-CURRENT> 327,050,222
<NET-CHANGE-FROM-OPS> 791,019,200
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (215,135,762)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 14,271,470
<NUMBER-OF-SHARES-REDEEMED> (12,923,391)
<SHARES-REINVESTED> 3,959,840
<NET-CHANGE-IN-ASSETS> 947,896,932
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 11,276,738
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 12,484,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 64,015,000
<AVERAGE-NET-ASSETS> 3,467,905,000
<PER-SHARE-NAV-BEGIN> 47.540
<PER-SHARE-NII> (0.610)
<PER-SHARE-GAIN-APPREC> 11.820
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> (3.600)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 55.150
<EXPENSE-RATIO> 1.750
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 101
<NAME> MAINSTAY CAPITAL APPRECIATION FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 2,299,040,129
<INVESTMENTS-AT-VALUE> 4,113,532,937
<RECEIVABLES> 24,516,846
<ASSETS-OTHER> 2,842
<OTHER-ITEMS-ASSETS> 1,527
<TOTAL-ASSETS> 4,138,054,152
<PAYABLE-FOR-SECURITIES> 30,907,289
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 9,789,510
<TOTAL-LIABILITIES> 40,696,799
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2,019,322,062
<SHARES-COMMON-STOCK> 421,356
<SHARES-COMMON-PRIOR> 33,661
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 263,542,483
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1,814,492,808
<NET-ASSETS> 4,097,357,353
<DIVIDEND-INCOME> 13,092,154
<INTEREST-INCOME> 5,430,815
<OTHER-INCOME> 0
<EXPENSES-NET> (57,275,515)
<NET-INVESTMENT-INCOME> (38,752,546)
<REALIZED-GAINS-CURRENT> 502,721,524
<APPREC-INCREASE-CURRENT> 327,050,222
<NET-CHANGE-FROM-OPS> 791,019,200
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (1,404,342)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 412,526
<NUMBER-OF-SHARES-REDEEMED> (43,396)
<SHARES-REINVESTED> 18,565
<NET-CHANGE-IN-ASSETS> 947,896,932
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 11,276,738
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 12,484,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 64,015,000
<AVERAGE-NET-ASSETS> 3,467,905,000
<PER-SHARE-NAV-BEGIN> 47.540
<PER-SHARE-NII> (0.610)
<PER-SHARE-GAIN-APPREC> 11.820
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> (3.600)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 55.150
<EXPENSE-RATIO> 1.750
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 2
<NAME> MAINSTAY VALUE FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 1,080,187,719
<INVESTMENTS-AT-VALUE> 1,144,063,933
<RECEIVABLES> 5,766,089
<ASSETS-OTHER> 481
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1,149,830,503
<PAYABLE-FOR-SECURITIES> 15,787,321
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3,609,130
<TOTAL-LIABILITIES> 19,396,451
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1,074,990,014
<SHARES-COMMON-STOCK> 6,438,150
<SHARES-COMMON-PRIOR> 6,697,933
<ACCUMULATED-NII-CURRENT> 381
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (8,272,255)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 63,715,912
<NET-ASSETS> 1,130,434,052
<DIVIDEND-INCOME> 21,449,312
<INTEREST-INCOME> 1,150,006
<OTHER-INCOME> 0
<EXPENSES-NET> (22,372,857)
<NET-INVESTMENT-INCOME> 226,461
<REALIZED-GAINS-CURRENT> 4,611,907
<APPREC-INCREASE-CURRENT> 83,690,086
<NET-CHANGE-FROM-OPS> 88,528,454
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (18,103)
<DISTRIBUTIONS-OF-GAINS> (1,818,124)
<DISTRIBUTIONS-OTHER> (423,642)
<NUMBER-OF-SHARES-SOLD> 6,437,285
<NUMBER-OF-SHARES-REDEEMED> (6,820,975)
<SHARES-REINVESTED> 123,907
<NET-CHANGE-IN-ASSETS> (159,125,115)
<ACCUMULATED-NII-PRIOR> 35,686
<ACCUMULATED-GAINS-PRIOR> 6,021,443
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3,538,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 22,373,000
<AVERAGE-NET-ASSETS> 1,237,052,000
<PER-SHARE-NAV-BEGIN> 17.160
<PER-SHARE-NII> 0.120
<PER-SHARE-GAIN-APPREC> 1.290
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> (0.320)
<RETURNS-OF-CAPITAL> (0.070)
<PER-SHARE-NAV-END> 18.180
<EXPENSE-RATIO> 1.130
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 2
<NAME> MAINSTAY VALUE FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 1,080,187,719
<INVESTMENTS-AT-VALUE> 1,144,063,933
<RECEIVABLES> 5,766,089
<ASSETS-OTHER> 481
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1,149,830,503
<PAYABLE-FOR-SECURITIES> 15,787,321
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3,609,130
<TOTAL-LIABILITIES> 19,396,451
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1,074,990,014
<SHARES-COMMON-STOCK> 55,990,014
<SHARES-COMMON-PRIOR> 68,477,265
<ACCUMULATED-NII-CURRENT> 381
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (8,272,255)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 63,715,912
<NET-ASSETS> 1,130,434,052
<DIVIDEND-INCOME> 21,449,312
<INTEREST-INCOME> 1,150,006
<OTHER-INCOME> 0
<EXPENSES-NET> (22,372,857)
<NET-INVESTMENT-INCOME> 226,461
<REALIZED-GAINS-CURRENT> 4,611,907
<APPREC-INCREASE-CURRENT> 83,690,086
<NET-CHANGE-FROM-OPS> 88,528,454
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (28,348)
<DISTRIBUTIONS-OF-GAINS> (18,018,715)
<DISTRIBUTIONS-OTHER> (663,472)
<NUMBER-OF-SHARES-SOLD> 6,641,235
<NUMBER-OF-SHARES-REDEEMED> (20,185,324)
<SHARES-REINVESTED> 1,057,468
<NET-CHANGE-IN-ASSETS> (159,125,115)
<ACCUMULATED-NII-PRIOR> 35,686
<ACCUMULATED-GAINS-PRIOR> 6,021,443
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3,538,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 22,373,000
<AVERAGE-NET-ASSETS> 1,237,052,000
<PER-SHARE-NAV-BEGIN> 17.150
<PER-SHARE-NII> (0.010)
<PER-SHARE-GAIN-APPREC> 1.280
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> (0.320)
<RETURNS-OF-CAPITAL> (0.010)
<PER-SHARE-NAV-END> 18.090
<EXPENSE-RATIO> 1.880
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 2
<NAME> MAINSTAY VALUE FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 1,080,187,719
<INVESTMENTS-AT-VALUE> 1,144,063,933
<RECEIVABLES> 5,766,089
<ASSETS-OTHER> 481
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1,149,830,503
<PAYABLE-FOR-SECURITIES> 15,787,321
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3,609,130
<TOTAL-LIABILITIES> 19,396,451
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1,074,990,014
<SHARES-COMMON-STOCK> 34,894
<SHARES-COMMON-PRIOR> 4,677
<ACCUMULATED-NII-CURRENT> 381
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (8,272,255)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 63,715,912
<NET-ASSETS> 1,130,434,052
<DIVIDEND-INCOME> 21,449,312
<INTEREST-INCOME> 1,150,006
<OTHER-INCOME> 0
<EXPENSES-NET> (22,372,857)
<NET-INVESTMENT-INCOME> 226,461
<REALIZED-GAINS-CURRENT> 4,611,907
<APPREC-INCREASE-CURRENT> 83,690,086
<NET-CHANGE-FROM-OPS> 88,528,454
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (3)
<DISTRIBUTIONS-OF-GAINS> (11,236)
<DISTRIBUTIONS-OTHER> (61)
<NUMBER-OF-SHARES-SOLD> 43,781
<NUMBER-OF-SHARES-REDEEMED> (13,148)
<SHARES-REINVESTED> 584
<NET-CHANGE-IN-ASSETS> (159,125,115)
<ACCUMULATED-NII-PRIOR> 35,686
<ACCUMULATED-GAINS-PRIOR> 6,021,443
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 3,538,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 22,373,000
<AVERAGE-NET-ASSETS> 1,237,052,000
<PER-SHARE-NAV-BEGIN> 17.150
<PER-SHARE-NII> (0.010)
<PER-SHARE-GAIN-APPREC> 1.280
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> (0.320)
<RETURNS-OF-CAPITAL> (0.010)
<PER-SHARE-NAV-END> 18.090
<EXPENSE-RATIO> 1.880
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 3
<NAME> MAINSTAY CONVERTIBLE FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 694,081,003
<INVESTMENTS-AT-VALUE> 706,629,424
<RECEIVABLES> 6,124,395
<ASSETS-OTHER> 527,331
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 713,281,150
<PAYABLE-FOR-SECURITIES> 4,672,225
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2,829,653
<TOTAL-LIABILITIES> 7,501,878
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 649,687,409
<SHARES-COMMON-STOCK> 3,183,580
<SHARES-COMMON-PRIOR> 3,392,907
<ACCUMULATED-NII-CURRENT> 875,955
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 43,153,551
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 12,062,357
<NET-ASSETS> 705,779,272
<DIVIDEND-INCOME> 16,376,844
<INTEREST-INCOME> 17,194,308
<OTHER-INCOME> 0
<EXPENSES-NET> (13,057,451)
<NET-INVESTMENT-INCOME> 20,513,701
<REALIZED-GAINS-CURRENT> 125,222,461
<APPREC-INCREASE-CURRENT> 42,693,616
<NET-CHANGE-FROM-OPS> 188,429,778
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1,474,632)
<DISTRIBUTIONS-OF-GAINS> (4,372,928)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 598,332
<NUMBER-OF-SHARES-REDEEMED> (1,203,469)
<SHARES-REINVESTED> 395,810
<NET-CHANGE-IN-ASSETS> 180,347,443
<ACCUMULATED-NII-PRIOR> 259,745
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (15,393,897)
<GROSS-ADVISORY-FEES> 2,353,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 13,057,000
<AVERAGE-NET-ASSETS> 653,742,000
<PER-SHARE-NAV-BEGIN> 12.490
<PER-SHARE-NII> 0.550
<PER-SHARE-GAIN-APPREC> 3.550
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> (0.520)
<RETURNS-OF-CAPITAL> (1.540)
<PER-SHARE-NAV-END> 14.530
<EXPENSE-RATIO> 1.280
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 3
<NAME> MAINSTAY CONVERTIBLE FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 694,081,003
<INVESTMENTS-AT-VALUE> 706,629,424
<RECEIVABLES> 6,124,395
<ASSETS-OTHER> 527,331
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 713,281,150
<PAYABLE-FOR-SECURITIES> 4,672,225
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2,829,653
<TOTAL-LIABILITIES> 7,501,878
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 649,687,409
<SHARES-COMMON-STOCK> 45,291,769
<SHARES-COMMON-PRIOR> 52,580,673
<ACCUMULATED-NII-CURRENT> 875,955
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 43,153,551
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 12,062,357
<NET-ASSETS> 705,779,272
<DIVIDEND-INCOME> 16,376,844
<INTEREST-INCOME> 17,194,308
<OTHER-INCOME> 0
<EXPENSES-NET> (13,057,451)
<NET-INVESTMENT-INCOME> 20,513,701
<REALIZED-GAINS-CURRENT> 125,222,461
<APPREC-INCREASE-CURRENT> 42,693,616
<NET-CHANGE-FROM-OPS> 188,429,778
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (17,931,053)
<DISTRIBUTIONS-OF-GAINS> (63,118,328)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,193,043
<NUMBER-OF-SHARES-REDEEMED> (14,752,565)
<SHARES-REINVESTED> 5,270,618
<NET-CHANGE-IN-ASSETS> 13,512,849
<ACCUMULATED-NII-PRIOR> 259,745
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (15,393,897)
<GROSS-ADVISORY-FEES> 2,353,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 13,057,000
<AVERAGE-NET-ASSETS> 653,742,000
<PER-SHARE-NAV-BEGIN> 12.49
<PER-SHARE-NII> 0.44
<PER-SHARE-GAIN-APPREC> 3.55
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> (0.41)
<RETURNS-OF-CAPITAL> (1.54)
<PER-SHARE-NAV-END> 14.53
<EXPENSE-RATIO> 2.03
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 3
<NAME> NAINSTAY CONVERITBLE FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 694,081,003
<INVESTMENTS-AT-VALUE> 706,629,424
<RECEIVABLES> 6,124,395
<ASSETS-OTHER> 527,331
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 713,281,150
<PAYABLE-FOR-SECURITIES> 4,672,225
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2,829,653
<TOTAL-LIABILITIES> 7,501,878
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 649,687,409
<SHARES-COMMON-STOCK> 91,459
<SHARES-COMMON-PRIOR> 32
<ACCUMULATED-NII-CURRENT> 875,955
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 43,153,551
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 12,062,357
<NET-ASSETS> 705,779,272
<DIVIDEND-INCOME> 16,376,844
<INTEREST-INCOME> 17,194,308
<OTHER-INCOME> 0
<EXPENSES-NET> (13,057,451)
<NET-INVESTMENT-INCOME> 20,513,701
<REALIZED-GAINS-CURRENT> 125,222,461
<APPREC-INCREASE-CURRENT> 42,693,616
<NET-CHANGE-FROM-OPS> 188,429,778
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (9,726)
<DISTRIBUTIONS-OF-GAINS> (121,115)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 87,704
<NUMBER-OF-SHARES-REDEEMED> (4,636)
<SHARES-REINVESTED> 8,359
<NET-CHANGE-IN-ASSETS> 189,571,342
<ACCUMULATED-NII-PRIOR> 259,745
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (15,393,897)
<GROSS-ADVISORY-FEES> 2,353,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 13,057,000
<AVERAGE-NET-ASSETS> 653,742,000
<PER-SHARE-NAV-BEGIN> 12.49
<PER-SHARE-NII> 0.44
<PER-SHARE-GAIN-APPREC> 3.55
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> (0.41)
<RETURNS-OF-CAPITAL> (1.54)
<PER-SHARE-NAV-END> 14.53
<EXPENSE-RATIO> 2.03
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 4
<NAME> MAINSTAY HIGH YIELD CORPORATE BOND FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 3,976,356,347
<INVESTMENTS-AT-VALUE> 3,650,067,831
<RECEIVABLES> 88,095,128
<ASSETS-OTHER> 50,056
<OTHER-ITEMS-ASSETS> 6,549,097
<TOTAL-ASSETS> 3,744,762,112
<PAYABLE-FOR-SECURITIES> 364,444
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 13514,889
<TOTAL-LIABILITIES> 13,879,333
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 4,055,687,703
<SHARES-COMMON-STOCK> 49,809,757
<SHARES-COMMON-PRIOR> 36,873,889
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (20,915,791)
<ACCUMULATED-NET-GAINS> 17,718,213
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (321,607,346)
<NET-ASSETS> 3,730,882,779
<DIVIDEND-INCOME> 25,846,933
<INTEREST-INCOME> 396,524,369
<OTHER-INCOME> 0
<EXPENSES-NET> 0
<NET-INVESTMENT-INCOME> (62,598,510)
<REALIZED-GAINS-CURRENT> 359,772,792
<APPREC-INCREASE-CURRENT> 78,482,350
<NET-CHANGE-FROM-OPS> (99,218,365)
<EQUALIZATION> 339,036,777
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (36,460,859)
<DISTRIBUTIONS-OTHER> (1,561,674)
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 35,865,018
<SHARES-REINVESTED> (26,457,259)
<NET-CHANGE-IN-ASSETS> 3,528,109
<ACCUMULATED-NII-PRIOR> 398,845,514
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (3,671,347)
<GROSS-ADVISORY-FEES> (33,785,597)
<INTEREST-EXPENSE> 11,155,000
<GROSS-EXPENSE> 0
<AVERAGE-NET-ASSETS> 64,208,000
<PER-SHARE-NAV-BEGIN> 3,718,295,000
<PER-SHARE-NII> 7.540
<PER-SHARE-GAIN-APPREC> 0.790
<PER-SHARE-DIVIDEND> (0.040)
<PER-SHARE-DISTRIBUTIONS> (0.850)
<RETURNS-OF-CAPITAL> (0.030)
<PER-SHARE-NAV-END> 0.000
<EXPENSE-RATIO> 7.410
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 4
<NAME> THE MAINSTAY FUNDS
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 3,976,356,347
<INVESTMENTS-AT-VALUE> 3,650,067,831
<RECEIVABLES> 88,095,128
<ASSETS-OTHER> 50,056
<OTHER-ITEMS-ASSETS> 6,549,097
<TOTAL-ASSETS> 3,744,762,112
<PAYABLE-FOR-SECURITIES> 364,444
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 13,514,889
<TOTAL-LIABILITIES> 13,879,333
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 4,055,687,703
<SHARES-COMMON-STOCK> 445,069,175
<SHARES-COMMON-PRIOR> 439,389,326
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (20,915,791)
<ACCUMULATED-NET-GAINS> 17,718,213
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (321,607,346)
<NET-ASSETS> 3,730,882,779
<DIVIDEND-INCOME> 25,846,933
<INTEREST-INCOME> 396,524,369
<OTHER-INCOME> 0
<EXPENSES-NET> (62,598,510)
<NET-INVESTMENT-INCOME> 359,772,792
<REALIZED-GAINS-CURRENT> 78,482,350
<APPREC-INCREASE-CURRENT> (99,218,365)
<NET-CHANGE-FROM-OPS> 339,036,777
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (347,058,986)
<DISTRIBUTIONS-OF-GAINS> (14,116,121)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 74,195,087
<NUMBER-OF-SHARES-REDEEMED> (99,743,339)
<SHARES-REINVESTED> 31,228,101
<NET-CHANGE-IN-ASSETS> 19,158,893
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (3,671,347)
<OVERDIST-NET-GAINS-PRIOR> (33,785,597)
<GROSS-ADVISORY-FEES> 11,155,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 64,208,000
<AVERAGE-NET-ASSETS> 3,718,295,000
<PER-SHARE-NAV-BEGIN> 7.530
<PER-SHARE-NII> 0.730
<PER-SHARE-GAIN-APPREC> (0.040)
<PER-SHARE-DIVIDEND> (0.790)
<PER-SHARE-DISTRIBUTIONS> (0.030)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 7.400
<EXPENSE-RATIO> 1.750
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 4
<NAME> MAINSTAY HIGH YIELD CORPORATE BOND FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 3,976,356,347
<INVESTMENTS-AT-VALUE> 3,650,067,831
<RECEIVABLES> 88,095,128
<ASSETS-OTHER> 50,056
<OTHER-ITEMS-ASSETS> 6,549,097
<TOTAL-ASSETS> 3,744,762,112
<PAYABLE-FOR-SECURITIES> 364,444
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 13,514,889
<TOTAL-LIABILITIES> 13,879,333
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 4,055,687,703
<SHARES-COMMON-STOCK> 67,180,695
<SHARES-COMMON-PRIOR> 1,330,953
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (20,915,791)
<ACCUMULATED-NET-GAINS> 17,718,213
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (321,607,346)
<NET-ASSETS> 3,730,882,779
<DIVIDEND-INCOME> 25,846,933
<INTEREST-INCOME> 396,524,369
<OTHER-INCOME> 0
<EXPENSES-NET> (62,598,510)
<NET-INVESTMENT-INCOME> 359,772,792
<REALIZED-GAINS-CURRENT> 78,482,350
<APPREC-INCREASE-CURRENT> (99,218,365)
<NET-CHANGE-FROM-OPS> 339,036,777
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (4,500,316)
<DISTRIBUTIONS-OF-GAINS> (277,698)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 9,208,606
<NUMBER-OF-SHARES-REDEEMED> (1,791,166)
<SHARES-REINVESTED> 327,424
<NET-CHANGE-IN-ASSETS> 393,357,522
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (3,671,347)
<OVERDIST-NET-GAINS-PRIOR> (33,785,597)
<GROSS-ADVISORY-FEES> 11,155,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 64,208,000
<AVERAGE-NET-ASSETS> 3,718,295,000
<PER-SHARE-NAV-BEGIN> 7.530
<PER-SHARE-NII> 0.730
<PER-SHARE-GAIN-APPREC> (0.040)
<PER-SHARE-DIVIDEND> (0.790)
<PER-SHARE-DISTRIBUTIONS> (0.030)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 7.400
<EXPENSE-RATIO> 1.750
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 7
<NAME> MAINSTAY GOVERNMENT FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 553,838,279
<INVESTMENTS-AT-VALUE> 539,152,309
<RECEIVABLES> 5,599,493
<ASSETS-OTHER> 64,536
<OTHER-ITEMS-ASSETS> 165,608,025
<TOTAL-ASSETS> 710,424,363
<PAYABLE-FOR-SECURITIES> 25,013,334
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 167,267,981
<TOTAL-LIABILITIES> 192,281,315
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 669,759,299
<SHARES-COMMON-STOCK> 4,403,641
<SHARES-COMMON-PRIOR> 2,623,604
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (136,930,281)
<ACCUM-APPREC-OR-DEPREC> (14,685,970)
<NET-ASSETS> 518,143,048
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 35,982,449
<OTHER-INCOME> 0
<EXPENSES-NET> (10,521,169)
<NET-INVESTMENT-INCOME> 25,461,280
<REALIZED-GAINS-CURRENT> (29,290,292)
<APPREC-INCREASE-CURRENT> (16,969,853)
<NET-CHANGE-FROM-OPS> (20,798,865)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1,500,555)
<DISTRIBUTIONS-OF-GAINS> (200,587)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 5,539,987
<NUMBER-OF-SHARES-REDEEMED> (3,938,243)
<SHARES-REINVESTED> 178,293
<NET-CHANGE-IN-ASSETS> (8,064,647)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (107,280,524)
<GROSS-ADVISORY-FEES> 1,715,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 10,521,000
<AVERAGE-NET-ASSETS> 28,111,000
<PER-SHARE-NAV-BEGIN> 8.460
<PER-SHARE-NII> 0.480
<PER-SHARE-GAIN-APPREC> (0.710)
<PER-SHARE-DIVIDEND> (0.480)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 7.750
<EXPENSE-RATIO> 1.130
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 7
<NAME> MAINSTAY GOVERNMENT FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 553,838,279
<INVESTMENTS-AT-VALUE> 539,152,309
<RECEIVABLES> 5,599,493
<ASSETS-OTHER> 64,536
<OTHER-ITEMS-ASSETS> 165,608,025
<TOTAL-ASSETS> 710,424,363
<PAYABLE-FOR-SECURITIES> 25,013,334
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 167,267,981
<TOTAL-LIABILITIES> 192,281,315
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 669,759,299
<SHARES-COMMON-STOCK> 67,869,603
<SHARES-COMMON-PRIOR> 69,985,649
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (136,930,281)
<ACCUM-APPREC-OR-DEPREC> (14,685,970)
<NET-ASSETS> 518,143,048
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 35,982,449
<OTHER-INCOME> 0
<EXPENSES-NET> (10,521,169)
<NET-INVESTMENT-INCOME> 25,461,280
<REALIZED-GAINS-CURRENT> (29,290,292)
<APPREC-INCREASE-CURRENT> (16,969,853)
<NET-CHANGE-FROM-OPS> (20,798,865)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (24,305,589)
<DISTRIBUTIONS-OF-GAINS> (3,249,055)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 8,457,561
<NUMBER-OF-SHARES-REDEEMED> (18,629,145)
<SHARES-REINVESTED> 2,695,785
<NET-CHANGE-IN-ASSETS> 107,911,172
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (107,280,524)
<GROSS-ADVISORY-FEES> 1,715,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 10,521,000
<AVERAGE-NET-ASSETS> 543,288,000
<PER-SHARE-NAV-BEGIN> 8.440
<PER-SHARE-NII> 0.410
<PER-SHARE-GAIN-APPREC> (0.710)
<PER-SHARE-DIVIDEND> (0.410)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 7.730
<EXPENSE-RATIO> 1.880
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 7
<NAME> MAINSTAY GOVERNMENT FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 553,838,279
<INVESTMENTS-AT-VALUE> 539,152,309
<RECEIVABLES> 5,599,493
<ASSETS-OTHER> 64,536
<OTHER-ITEMS-ASSETS> 165,608,025
<TOTAL-ASSETS> 710,424,363
<PAYABLE-FOR-SECURITIES> 25,013,334
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 167,267,981
<TOTAL-LIABILITIES> 192,281,315
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 669,759,299
<SHARES-COMMON-STOCK> 25,832
<SHARES-COMMON-PRIOR> 11,194
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (136,930,281)
<ACCUM-APPREC-OR-DEPREC> (14,685,970)
<NET-ASSETS> 518,143,048
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 35,982,449
<OTHER-INCOME> 0
<EXPENSES-NET> (10,521,169)
<NET-INVESTMENT-INCOME> 25,461,280
<REALIZED-GAINS-CURRENT> (29,290,292)
<APPREC-INCREASE-CURRENT> (16,969,853)
<NET-CHANGE-FROM-OPS> (20,798,865)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (14,601)
<DISTRIBUTIONS-OF-GAINS> (1,952)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 84,358
<NUMBER-OF-SHARES-REDEEMED> (28,119)
<SHARES-REINVESTED> 178,293
<NET-CHANGE-IN-ASSETS> (20,355,074)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (107,280,524)
<GROSS-ADVISORY-FEES> 1,715,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 10,521,000
<AVERAGE-NET-ASSETS> 292,000
<PER-SHARE-NAV-BEGIN> 8.440
<PER-SHARE-NII> 0.410
<PER-SHARE-GAIN-APPREC> (0.710)
<PER-SHARE-DIVIDEND> (0.410)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 7.730
<EXPENSE-RATIO> 1.880
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 6
<NAME> MAINSTAY MONEY MARKET FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 647,755,325
<INVESTMENTS-AT-VALUE> 647,755,325
<RECEIVABLES> 8,469,699
<ASSETS-OTHER> 226,628
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 656,451,652
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 6,570,613
<TOTAL-LIABILITIES> 6,570,613
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 649,889,620
<SHARES-COMMON-STOCK> 188,335,562
<SHARES-COMMON-PRIOR> 142,379,077
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (8,581)
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 649,881,039
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 31,621,069
<OTHER-INCOME> 0
<EXPENSES-NET> (4,207,151)
<NET-INVESTMENT-INCOME> 27,413,918
<REALIZED-GAINS-CURRENT> 332
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 27,414,250
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (6,865,359)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,460,864,924
<NUMBER-OF-SHARES-REDEEMED> (1,427,683,763)
<SHARES-REINVESTED> 6,404,081
<NET-CHANGE-IN-ASSETS> 60,134,133
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (8,912)
<GROSS-ADVISORY-FEES> 1,427,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5,085,000
<AVERAGE-NET-ASSETS> 601,022,000
<PER-SHARE-NAV-BEGIN> 1.000
<PER-SHARE-NII> 0.050
<PER-SHARE-GAIN-APPREC> 0.000
<PER-SHARE-DIVIDEND> (0.050)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 1.000
<EXPENSE-RATIO> 0.700
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 1
<NAME> MAINSTAY MONEY MARKET FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 64,755,325
<INVESTMENTS-AT-VALUE> 647,755,325
<RECEIVABLES> 8,469,699
<ASSETS-OTHER> 226,628
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 656,451,652
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 6,570,613
<TOTAL-LIABILITIES> 6,570,613
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 649,889,620
<SHARES-COMMON-STOCK> 458,400,046
<SHARES-COMMON-PRIOR> 438,430,970
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (8,581)
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 649,881,039
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 31,621,069
<OTHER-INCOME> 0
<EXPENSES-NET> (4,207,151)
<NET-INVESTMENT-INCOME> 27,413,918
<REALIZED-GAINS-CURRENT> 332
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 27,414,250
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 20,443,076
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 695,572,243
<NUMBER-OF-SHARES-REDEEMED> (682,075,401)
<SHARES-REINVESTED> 20,720,097
<NET-CHANGE-IN-ASSETS> 82,074,265
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (8,912)
<GROSS-ADVISORY-FEES> 1,427,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5,085,000
<AVERAGE-NET-ASSETS> 601,022,000
<PER-SHARE-NAV-BEGIN> 1.000
<PER-SHARE-NII> 0.050
<PER-SHARE-GAIN-APPREC> 0.000
<PER-SHARE-DIVIDEND> (0.050)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 1.000
<EXPENSE-RATIO> 0.700
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 1
<NAME> MAINSTAY MONEY MARKET FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 647,755,325
<INVESTMENTS-AT-VALUE> 647,755,325
<RECEIVABLES> 8,469,699
<ASSETS-OTHER> 226,628
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 656,451,652
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 6,570,613
<TOTAL-LIABILITIES> 6,570,613
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 649,889,620
<SHARES-COMMON-STOCK> 2,154,014
<SHARES-COMMON-PRIOR> 3,920,834
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (8,581)
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 649,881,039
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 31,621,069
<OTHER-INCOME> 0
<EXPENSES-NET> (4,207,151)
<NET-INVESTMENT-INCOME> 27,413,918
<REALIZED-GAINS-CURRENT> 332
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 27,414,250
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (105,484)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 14,076,657
<NUMBER-OF-SHARES-REDEEMED> (12,005,827)
<SHARES-REINVESTED> 64,831
<NET-CHANGE-IN-ASSETS> 29,444,427
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (8,912)
<GROSS-ADVISORY-FEES> 1,427,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5,085,000
<AVERAGE-NET-ASSETS> 601,022,000
<PER-SHARE-NAV-BEGIN> 1.000
<PER-SHARE-NII> 0.050
<PER-SHARE-GAIN-APPREC> 0.000
<PER-SHARE-DIVIDEND> (0.050)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 1.000
<EXPENSE-RATIO> 0.700
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 7
<NAME> MAINSTAY TAX FREE BOND FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 388,344,797
<INVESTMENTS-AT-VALUE> 366,568,012
<RECEIVABLES> 5,883,631
<ASSETS-OTHER> 998,440
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 373,450,083
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 867,429
<TOTAL-LIABILITIES> 867,429
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 416,091,410
<SHARES-COMMON-STOCK> 1,506,183
<SHARES-COMMON-PRIOR> 1,751,806
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 1,114
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (22,074,242)
<ACCUM-APPREC-OR-DEPREC> (21,435,628)
<NET-ASSETS> 372,582,654
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 25,005,006
<OTHER-INCOME> 0
<EXPENSES-NET> (5,585,324)
<NET-INVESTMENT-INCOME> 19,419,682
<REALIZED-GAINS-CURRENT> (18,327,409)
<APPREC-INCREASE-CURRENT> (32,668,330)
<NET-CHANGE-FROM-OPS> (31,576,057)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (892,182)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,057,895
<NUMBER-OF-SHARES-REDEEMED> (1,368,561)
<SHARES-REINVESTED> 65,043
<NET-CHANGE-IN-ASSETS> (34,311,878)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (3,746,833)
<GROSS-ADVISORY-FEES> 1,330,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5,585,000
<AVERAGE-NET-ASSETS> 443,459,000
<PER-SHARE-NAV-BEGIN> 10.200
<PER-SHARE-NII> 0.450
<PER-SHARE-GAIN-APPREC> (1.120)
<PER-SHARE-DIVIDEND> (0.450)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 9.080
<EXPENSE-RATIO> 1.020
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 7
<NAME> MAINSTAY TAX FREE BOND FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 388,344,797
<INVESTMENTS-AT-VALUE> 366,568,012
<RECEIVABLES> 5,883,631
<ASSETS-OTHER> 998,440
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 373,450,083
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 867,429
<TOTAL-LIABILITIES> 867,429
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 416,091,410
<SHARES-COMMON-STOCK> 39,439,693
<SHARES-COMMON-PRIOR> 45,210,246
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 1,114
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (22,074,242)
<ACCUM-APPREC-OR-DEPREC> (21,435,628)
<NET-ASSETS> 372,582,654
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 25,005,006
<OTHER-INCOME> 0
<EXPENSES-NET> (5,585,324)
<NET-INVESTMENT-INCOME> 19,419,682
<REALIZED-GAINS-CURRENT> (18,327,409)
<APPREC-INCREASE-CURRENT> (32,668,330)
<NET-CHANGE-FROM-OPS> (31,576,057)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (18,519,426)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,491,515
<NUMBER-OF-SHARES-REDEEMED> (9,485,897)
<SHARES-REINVESTED> 1,223,829
<NET-CHANGE-IN-ASSETS> (104,474,846)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (3,746,833)
<GROSS-ADVISORY-FEES> 1,330,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5,585,000
<AVERAGE-NET-ASSETS> 443,459,000
<PER-SHARE-NAV-BEGIN> 10.210
<PER-SHARE-NII> 0.430
<PER-SHARE-GAIN-APPREC> (1.120)
<PER-SHARE-DIVIDEND> (0.430)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 9.090
<EXPENSE-RATIO> 1.270
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 7
<NAME> MAINSTAY TAX FREE BOND FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 388,344,797
<INVESTMENTS-AT-VALUE> 366,568,012
<RECEIVABLES> 5,883,631
<ASSETS-OTHER> 998,440
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 373,450,083
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 867,429
<TOTAL-LIABILITIES> 867,429
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 416,091,410
<SHARES-COMMON-STOCK> 48,460,846
<SHARES-COMMON-PRIOR> 50,420,942
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 1,114
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (22,074,242)
<ACCUM-APPREC-OR-DEPREC> (21,435,628)
<NET-ASSETS> 372,582,654
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 25,005,006
<OTHER-INCOME> 0
<EXPENSES-NET> (5,585,324)
<NET-INVESTMENT-INCOME> 19,419,682
<REALIZED-GAINS-CURRENT> (18,327,409)
<APPREC-INCREASE-CURRENT> (32,668,330)
<NET-CHANGE-FROM-OPS> (31,576,057)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (6,960)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 58,705
<NUMBER-OF-SHARES-REDEEMED> (6,102)
<SHARES-REINVESTED> 744
<NET-CHANGE-IN-ASSETS> (31,075,761)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (3,746,833)
<GROSS-ADVISORY-FEES> 1,330,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 5,585,000
<AVERAGE-NET-ASSETS> 443,459,000
<PER-SHARE-NAV-BEGIN> 10.210
<PER-SHARE-NII> 0.430
<PER-SHARE-GAIN-APPREC> (1.120)
<PER-SHARE-DIVIDEND> (0.430)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 9.090
<EXPENSE-RATIO> 1.270
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 8
<NAME> MAINSTAY TOTAL RETURN FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 1,278,217,144
<INVESTMENTS-AT-VALUE> 1,895,190,099
<RECEIVABLES> 31,467,433
<ASSETS-OTHER> 202,088,153
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 2,128,745,685
<PAYABLE-FOR-SECURITIES> 29,973,255
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 210,573,502
<TOTAL-LIABILITIES> 240,546,757
<SENIOR-EQUITY> 1,888,198,928
<PAID-IN-CAPITAL-COMMON> 1,157,600,012
<SHARES-COMMON-STOCK> 7,489,010
<SHARES-COMMON-PRIOR> 6,112,943
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (199,943)
<ACCUMULATED-NET-GAINS> 113,825,904
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 616,972,955
<NET-ASSETS> 1,888,198,928
<DIVIDEND-INCOME> 4,852,483
<INTEREST-INCOME> 37,513,520
<OTHER-INCOME> 0
<EXPENSES-NET> (31,150,188)
<NET-INVESTMENT-INCOME> 11,215,815
<REALIZED-GAINS-CURRENT> 198,124,218
<APPREC-INCREASE-CURRENT> 49,685,919
<NET-CHANGE-FROM-OPS> 259,025,952
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (2,404,941)
<DISTRIBUTIONS-OF-GAINS> (9,937,902)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3,840,375
<NUMBER-OF-SHARES-REDEEMED> (2,901,882)
<SHARES-REINVESTED> 437,584
<NET-CHANGE-IN-ASSETS> 282,014,069
<ACCUMULATED-NII-PRIOR> 33,190
<ACCUMULATED-GAINS-PRIOR> 9,295,244
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 11,050,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 31,641,000
<AVERAGE-NET-ASSETS> 1,726,504,000
<PER-SHARE-NAV-BEGIN> 24.960
<PER-SHARE-NII> 0.340
<PER-SHARE-GAIN-APPREC> 3.690
<PER-SHARE-DIVIDEND> (0.340)
<PER-SHARE-DISTRIBUTIONS> (1.420)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 27.230
<EXPENSE-RATIO> 1.130
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 8
<NAME> MAINSTAY TOTAL RETURN FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 1,278,217,144
<INVESTMENTS-AT-VALUE> 1,895,190,099
<RECEIVABLES> 31,467,433
<ASSETS-OTHER> 202,088,153
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 2,128,745,685
<PAYABLE-FOR-SECURITIES> 29,973,255
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 210,573,502
<TOTAL-LIABILITIES> 240,546,757
<SENIOR-EQUITY> 1,888,198,928
<PAID-IN-CAPITAL-COMMON> 1,157,600,012
<SHARES-COMMON-STOCK> 61,637,509
<SHARES-COMMON-PRIOR> 59,388,114
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (199,943)
<ACCUMULATED-NET-GAINS> 113,825,904
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 616,972,955
<NET-ASSETS> 1,888,198,928
<DIVIDEND-INCOME> 4,852,483
<INTEREST-INCOME> 37,513,520
<OTHER-INCOME> 0
<EXPENSES-NET> (31,150,188)
<NET-INVESTMENT-INCOME> 11,215,815
<REALIZED-GAINS-CURRENT> 198,124,218
<APPREC-INCREASE-CURRENT> 49,685,919
<NET-CHANGE-FROM-OPS> 259,025,952
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (9,024,586)
<DISTRIBUTIONS-OF-GAINS> (83,382,941)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 8,323,993
<NUMBER-OF-SHARES-REDEEMED> (9,492,006)
<SHARES-REINVESTED> 3,417,408
<NET-CHANGE-IN-ASSETS> 225,243,414
<ACCUMULATED-NII-PRIOR> 33,190
<ACCUMULATED-GAINS-PRIOR> 9,295,244
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 11,050,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 31,641,000
<AVERAGE-NET-ASSETS> 1,726,504,000
<PER-SHARE-NAV-BEGIN> 24.960
<PER-SHARE-NII> 0.150
<PER-SHARE-GAIN-APPREC> 3.690
<PER-SHARE-DIVIDEND> (0.150)
<PER-SHARE-DISTRIBUTIONS> (1,420)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 27.230
<EXPENSE-RATIO> 1.880
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 8
<NAME> MAINSTAY TOTAL RETURN FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 1,278,217,144
<INVESTMENTS-AT-VALUE> 1,895,190,099
<RECEIVABLES> 31,467,433
<ASSETS-OTHER> 202,088,153
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 2,128,745,685
<PAYABLE-FOR-SECURITIES> 29,973,255
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 210,573,502
<TOTAL-LIABILITIES> 240,546,757
<SENIOR-EQUITY> 1,888,198,928
<PAID-IN-CAPITAL-COMMON> 1,157,600,012
<SHARES-COMMON-STOCK> 204,843
<SHARES-COMMON-PRIOR> 14,393
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (199,943)
<ACCUMULATED-NET-GAINS> 113,825,904
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 616,972,955
<NET-ASSETS> 1,888,198,928
<DIVIDEND-INCOME> 4,852,483
<INTEREST-INCOME> 37,513,520
<OTHER-INCOME> 0
<EXPENSES-NET> (31,150,188)
<NET-INVESTMENT-INCOME> 11,215,815
<REALIZED-GAINS-CURRENT> 198,124,218
<APPREC-INCREASE-CURRENT> 49,685,919
<NET-CHANGE-FROM-OPS> 259,025,952
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (19,421)
<DISTRIBUTIONS-OF-GAINS> (272,715)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 197,642
<NUMBER-OF-SHARES-REDEEMED> (17,820)
<SHARES-REINVESTED> 10,629
<NET-CHANGE-IN-ASSETS> 263,624,860
<ACCUMULATED-NII-PRIOR> 33,190
<ACCUMULATED-GAINS-PRIOR> 9,295,244
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 11,050,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 31,641,000
<AVERAGE-NET-ASSETS> 1,726,504,000
<PER-SHARE-NAV-BEGIN> 24.960
<PER-SHARE-NII> 0.150
<PER-SHARE-GAIN-APPREC> 3.690
<PER-SHARE-DIVIDEND> (0.150)
<PER-SHARE-DISTRIBUTIONS> (1.420)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 27.230
<EXPENSE-RATIO> 1.880
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 101
<NAME> MAINSTAY EQUITY INDEX FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 822,958,529
<INVESTMENTS-AT-VALUE> 1,253,328,694
<RECEIVABLES> 4,735,567
<ASSETS-OTHER> 54,309
<OTHER-ITEMS-ASSETS> 31,188
<TOTAL-ASSETS> 1,258,149,758
<PAYABLE-FOR-SECURITIES> 345,612
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3,786,009
<TOTAL-LIABILITIES> 4,131,621
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 821,754,299
<SHARES-COMMON-STOCK> 26,478,939
<SHARES-COMMON-PRIOR> 20,195,467
<ACCUMULATED-NII-CURRENT> 134,637
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,695,251
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 430,433,950
<NET-ASSETS> 1,254,018,137
<DIVIDEND-INCOME> 12,981,287
<INTEREST-INCOME> 2,233,564
<OTHER-INCOME> 0
<EXPENSES-NET> (9,921,927)
<NET-INVESTMENT-INCOME> 5,292,924
<REALIZED-GAINS-CURRENT> 21,903,883
<APPREC-INCREASE-CURRENT> 168,170,091
<NET-CHANGE-FROM-OPS> 195,366,898
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (5,158,287)
<DISTRIBUTIONS-OF-GAINS> (26,146,715)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 16,761,109
<NUMBER-OF-SHARES-REDEEMED> (11,172,711)
<SHARES-REINVESTED> 695,075
<NET-CHANGE-IN-ASSETS> 456,898,124
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 5,938,083
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,051,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 9,922,000
<AVERAGE-NET-ASSETS> 1,051,111,511
<PER-SHARE-NAV-BEGIN> 39.470
<PER-SHARE-NII> 0.200
<PER-SHARE-GAIN-APPREC> 7.690
<PER-SHARE-DIVIDEND> (0.200)
<PER-SHARE-DISTRIBUTIONS> (0.990)
<RETURNS-OF-CAPITAL> 1.190
<PER-SHARE-NAV-END> 47.360
<EXPENSE-RATIO> 0.940
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 12
<NAME> MAINSTAY CALIFORNIA TAX FREE BOND FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 25,791,810
<INVESTMENTS-AT-VALUE> 24,339,664
<RECEIVABLES> 320,432
<ASSETS-OTHER> 66,523
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 24,726,619
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 63,808
<TOTAL-LIABILITIES> 63,808
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 27,267,456
<SHARES-COMMON-STOCK> 1,467,359
<SHARES-COMMON-PRIOR> 1,924,360
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (1,171,936)
<ACCUM-APPREC-OR-DEPREC> (1,432,709)
<NET-ASSETS> 24,662,811
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,523,377
<OTHER-INCOME> 0
<EXPENSES-NET> (372,287)
<NET-INVESTMENT-INCOME> 1,151,090
<REALIZED-GAINS-CURRENT> (1,171,936)
<APPREC-INCREASE-CURRENT> (1,171,936)
<NET-CHANGE-FROM-OPS> (1,893,778)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (669,100)
<DISTRIBUTIONS-OF-GAINS> (31,459)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 272,835
<NUMBER-OF-SHARES-REDEEMED> (769,184)
<SHARES-REINVESTED> 39,348
<NET-CHANGE-IN-ASSETS> (7,041,494)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 59,582
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 69,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 372,000
<AVERAGE-NET-ASSETS> 27,628,000
<PER-SHARE-NAV-BEGIN> 9.980
<PER-SHARE-NII> 0.410
<PER-SHARE-GAIN-APPREC> (1.070)
<PER-SHARE-DIVIDEND> (0.410)
<PER-SHARE-DISTRIBUTIONS> (0.020)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 8.890
<EXPENSE-RATIO> 1.240
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 12
<NAME> MAINSTAY CALIFORNIA TAX FREE BOND FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 25,791,810
<INVESTMENTS-AT-VALUE> 24,339,664
<RECEIVABLES> 320,432
<ASSETS-OTHER> 66,523
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 24,726,619
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 63,808
<TOTAL-LIABILITIES> 63,808
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 27,267,456
<SHARES-COMMON-STOCK> 1,192,517
<SHARES-COMMON-PRIOR> 1,109,242
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (1,171,936)
<ACCUM-APPREC-OR-DEPREC> (1,432,709)
<NET-ASSETS> 24,662,811
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,523,377
<OTHER-INCOME> 0
<EXPENSES-NET> (372,287)
<NET-INVESTMENT-INCOME> 1,151,090
<REALIZED-GAINS-CURRENT> (1,171,936)
<APPREC-INCREASE-CURRENT> (1,872,932)
<NET-CHANGE-FROM-OPS> (1,893,778)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (466,785)
<DISTRIBUTIONS-OF-GAINS> (25,724)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 289,694
<NUMBER-OF-SHARES-REDEEMED> (236,383)
<SHARES-REINVESTED> 29,964
<NET-CHANGE-IN-ASSETS> (1,509,067)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 59,582
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 69,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 372,000
<AVERAGE-NET-ASSETS> 27,628,000
<PER-SHARE-NAV-BEGIN> 9.950
<PER-SHARE-NII> 0.380
<PER-SHARE-GAIN-APPREC> (1.050)
<PER-SHARE-DIVIDEND> (0.390)
<PER-SHARE-DISTRIBUTIONS> (0.020)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 8.870
<EXPENSE-RATIO> 1.490
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 12
<NAME> MAINSTAY CALIFORNIA TAX FREE BOND FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 25,791,810
<INVESTMENTS-AT-VALUE> 24,339,664
<RECEIVABLES> 320,432
<ASSETS-OTHER> 66,523
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 24,726,619
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 63,808
<TOTAL-LIABILITIES> 63,808
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 27,267,456
<SHARES-COMMON-STOCK> 117,557
<SHARES-COMMON-PRIOR> 25
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (1,171,936)
<ACCUM-APPREC-OR-DEPREC> (1,432,709)
<NET-ASSETS> 24,662,811
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,523,377
<OTHER-INCOME> 0
<EXPENSES-NET> (372,287)
<NET-INVESTMENT-INCOME> 1,151,090
<REALIZED-GAINS-CURRENT> (1,171,936)
<APPREC-INCREASE-CURRENT> (1,872,932)
<NET-CHANGE-FROM-OPS> (1,893,778)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (17,129)
<DISTRIBUTIONS-OF-GAINS> (2,513)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 132,116
<NUMBER-OF-SHARES-REDEEMED> (16,682)
<SHARES-REINVESTED> 2,098
<NET-CHANGE-IN-ASSETS> (819,205)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 59,582
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 69,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 372,000
<AVERAGE-NET-ASSETS> 27,628,000
<PER-SHARE-NAV-BEGIN> 9.950
<PER-SHARE-NII> 0.380
<PER-SHARE-GAIN-APPREC> (1.050)
<PER-SHARE-DIVIDEND> (0.390)
<PER-SHARE-DISTRIBUTIONS> (0.020)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 8.870
<EXPENSE-RATIO> 1.490
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 12
<NAME> MAINSTAY NEW YORK TAX FREE BOND FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 20,757,695
<INVESTMENTS-AT-VALUE> 19,626,608
<RECEIVABLES> 360,264
<ASSETS-OTHER> 57,605
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 20,044,477
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 73,781
<TOTAL-LIABILITIES> 73,781
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 21,796,294
<SHARES-COMMON-STOCK> 1,422,427
<SHARES-COMMON-PRIOR> 1,532,975
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (706,355)
<ACCUM-APPREC-OR-DEPREC> (1,119,243)
<NET-ASSETS> 19,970,696
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,313,006
<OTHER-INCOME> 0
<EXPENSES-NET> (297,570)
<NET-INVESTMENT-INCOME> 1,015,436
<REALIZED-GAINS-CURRENT> (706,356)
<APPREC-INCREASE-CURRENT> (1,508,974)
<NET-CHANGE-FROM-OPS> (1,199,894)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (665,626)
<DISTRIBUTIONS-OF-GAINS> (12,761)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 53,304
<NUMBER-OF-SHARES-REDEEMED> (198,742)
<SHARES-REINVESTED> 34,890
<NET-CHANGE-IN-ASSETS> (2,946,539)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 19,734
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 56,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 298,000
<AVERAGE-NET-ASSETS> 22,386,000
<PER-SHARE-NAV-BEGIN> 10.080
<PER-SHARE-NII> 0.450
<PER-SHARE-GAIN-APPREC> (0.960)
<PER-SHARE-DIVIDEND> (0.450)
<PER-SHARE-DISTRIBUTIONS> (0.010)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 9.110
<EXPENSE-RATIO> 1.240
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 12
<NAME> MAINSTAY NEW YORK TAX FREE BOND FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 20,757,695
<INVESTMENTS-AT-VALUE> 19,626,608
<RECEIVABLES> 360,264
<ASSETS-OTHER> 57,605
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 20,044,477
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 73,781
<TOTAL-LIABILITIES> 73,781
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 21,796,294
<SHARES-COMMON-STOCK> 771,740
<SHARES-COMMON-PRIOR> 820,767
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (706,355)
<ACCUM-APPREC-OR-DEPREC> (1,119,243)
<NET-ASSETS> 19,970,696
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,313,006
<OTHER-INCOME> 0
<EXPENSES-NET> (297,570)
<NET-INVESTMENT-INCOME> 1,015,436
<REALIZED-GAINS-CURRENT> (706,356)
<APPREC-INCREASE-CURRENT> (1,508,974)
<NET-CHANGE-FROM-OPS> (1,199,894)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (351,328)
<DISTRIBUTIONS-OF-GAINS> (6,691)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 176,370
<NUMBER-OF-SHARES-REDEEMED> (247,394)
<SHARES-REINVESTED> 21,996
<NET-CHANGE-IN-ASSETS> (1,987,177)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 19734
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 56,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 298,000
<AVERAGE-NET-ASSETS> 22,386,000
<PER-SHARE-NAV-BEGIN> 10.010
<PER-SHARE-NII> 0.420
<PER-SHARE-GAIN-APPREC> (0.960)
<PER-SHARE-DIVIDEND> (0.420)
<PER-SHARE-DISTRIBUTIONS> (0.010)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 9.040
<EXPENSE-RATIO> 1.490
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 12
<NAME> MAINSTAY NEW YORK TAX FREE BOND FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 20,757,695
<INVESTMENTS-AT-VALUE> 19,626,608
<RECEIVABLES> 360,264
<ASSETS-OTHER> 57,605
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 20,044,477
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 73,781
<TOTAL-LIABILITIES> 73,781
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 21,796,294
<SHARES-COMMON-STOCK> 4,225
<SHARES-COMMON-PRIOR> 25
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (706,355)
<ACCUM-APPREC-OR-DEPREC> (1,119,243)
<NET-ASSETS> 19,970,696
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,313,006
<OTHER-INCOME> 0
<EXPENSES-NET> (297,570)
<NET-INVESTMENT-INCOME> 1,015,436
<REALIZED-GAINS-CURRENT> (706,356)
<APPREC-INCREASE-CURRENT> (1,508,974)
<NET-CHANGE-FROM-OPS> (1,199,894)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (483)
<DISTRIBUTIONS-OF-GAINS> (37)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 4,144
<NUMBER-OF-SHARES-REDEEMED> (1)
<SHARES-REINVESTED> 57
<NET-CHANGE-IN-ASSETS> (1,161,397)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 19,734
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 56,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 298,000
<AVERAGE-NET-ASSETS> 22,386,000
<PER-SHARE-NAV-BEGIN> 10.010
<PER-SHARE-NII> 0.420
<PER-SHARE-GAIN-APPREC> (0.960)
<PER-SHARE-DIVIDEND> (0.420)
<PER-SHARE-DISTRIBUTIONS> (0.010)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 9.040
<EXPENSE-RATIO> 1.490
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 14
<NAME> MAINSTAY INTERNATIONAL BOND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 27,745,345
<INVESTMENTS-AT-VALUE> 26,026,037
<RECEIVABLES> 661,238
<ASSETS-OTHER> 109,282
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 26,796,557
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 467,701
<TOTAL-LIABILITIES> 467,701
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 28,713,864
<SHARES-COMMON-STOCK> 1,358,225
<SHARES-COMMON-PRIOR> 1,470,505
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (42,122)
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (558,585)
<ACCUM-APPREC-OR-DEPREC> (1,784,301)
<NET-ASSETS> 29,157,586
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,620,840
<OTHER-INCOME> 0
<EXPENSES-NET> (605,073)
<NET-INVESTMENT-INCOME> 1,015,767
<REALIZED-GAINS-CURRENT> (1,414,883)
<APPREC-INCREASE-CURRENT> (2,397,019)
<NET-CHANGE-FROM-OPS> (2,796,135)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (767,038)
<DISTRIBUTIONS-OF-GAINS> (126,027)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 199,749
<NUMBER-OF-SHARES-REDEEMED> (352,765)
<SHARES-REINVESTED> 40,736
<NET-CHANGE-IN-ASSETS> (4,801,080)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 256,981
<OVERDISTRIB-NII-PRIOR> (78,132)
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 135,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 695,000
<AVERAGE-NET-ASSETS> 29,937,000
<PER-SHARE-NAV-BEGIN> 10.570
<PER-SHARE-NII> 0.350
<PER-SHARE-GAIN-APPREC> (1.210)
<PER-SHARE-DIVIDEND> (0.040)
<PER-SHARE-DISTRIBUTIONS> (0.090)
<RETURNS-OF-CAPITAL> (0.510)
<PER-SHARE-NAV-END> 9.070
<EXPENSE-RATIO> 1.61
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 14
<NAME> MAINSTAY INTERNATIONAL BOND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 27,745,345
<INVESTMENTS-AT-VALUE> 26,026,037
<RECEIVABLES> 661,238
<ASSETS-OTHER> 109,282
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 26,796,557
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 467,701
<TOTAL-LIABILITIES> 467,701
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 28,713,864
<SHARES-COMMON-STOCK> 1,536,162
<SHARES-COMMON-PRIOR> 1,775,426
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (42,122)
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (558,585)
<ACCUM-APPREC-OR-DEPREC> (1,784,301)
<NET-ASSETS> 28,328,856
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,620,840
<OTHER-INCOME> 0
<EXPENSES-NET> (605,073)
<NET-INVESTMENT-INCOME> 1,015,767
<REALIZED-GAINS-CURRENT> (1,414,883)
<APPREC-INCREASE-CURRENT> (2,397,019)
<NET-CHANGE-FROM-OPS> (2,796,135)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (802,657)
<DISTRIBUTIONS-OF-GAINS> (142,146)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 247,392
<NUMBER-OF-SHARES-REDEEMED> (571,854)
<SHARES-REINVESTED> 85,198
<NET-CHANGE-IN-ASSETS> (6,058,417)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 256,981
<OVERDISTRIB-NII-PRIOR> (78,132)
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 135,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 695,000
<AVERAGE-NET-ASSETS> 29,937,000
<PER-SHARE-NAV-BEGIN> 10.590
<PER-SHARE-NII> 0.280
<PER-SHARE-GAIN-APPREC> (1.220)
<PER-SHARE-DIVIDEND> (0.030)
<PER-SHARE-DISTRIBUTIONS> (0.090)
<RETURNS-OF-CAPITAL> (0.450)
<PER-SHARE-NAV-END> 9.080
<EXPENSE-RATIO> 2.36
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 14
<NAME> MAINSTAY INTERNATIONAL BOND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 27,745,345
<INVESTMENTS-AT-VALUE> 26,026,037
<RECEIVABLES> 661,238
<ASSETS-OTHER> 109,282
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 26,796,557
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 467,701
<TOTAL-LIABILITIES> 467,701
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 28,713,864
<SHARES-COMMON-STOCK> 5,241
<SHARES-COMMON-PRIOR> 30
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (42,122)
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (558,585)
<ACCUM-APPREC-OR-DEPREC> (1,784,301)
<NET-ASSETS> 28,328,856
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,620,840
<OTHER-INCOME> 0
<EXPENSES-NET> (605,073)
<NET-INVESTMENT-INCOME> 1,015,767
<REALIZED-GAINS-CURRENT> (1,414,883)
<APPREC-INCREASE-CURRENT> (2,397,019)
<NET-CHANGE-FROM-OPS> (2,796,135)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (2,293)
<DISTRIBUTIONS-OF-GAINS> (480)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 12,511
<NUMBER-OF-SHARES-REDEEMED> (7,511)
<SHARES-REINVESTED> 211
<NET-CHANGE-IN-ASSETS> (2,796,135)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 256,981
<OVERDISTRIB-NII-PRIOR> (78,132)
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 135,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 695,000
<AVERAGE-NET-ASSETS> 29,937,000
<PER-SHARE-NAV-BEGIN> 10.590
<PER-SHARE-NII> 0.280
<PER-SHARE-GAIN-APPREC> (1.220)
<PER-SHARE-DIVIDEND> (0.030)
<PER-SHARE-DISTRIBUTIONS> (0.090)
<RETURNS-OF-CAPITAL> (0.450)
<PER-SHARE-NAV-END> 9.080
<EXPENSE-RATIO> 2.36
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 13
<NAME> MAINSTAY INTERNTIONAL EQUITY FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 89,627,564
<INVESTMENTS-AT-VALUE> 129,349,113
<RECEIVABLES> 530,326
<ASSETS-OTHER> 1,575,289
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 131,454,728
<PAYABLE-FOR-SECURITIES> 1,007,569
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 998,565
<TOTAL-LIABILITIES> 2,002,134
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 88,642,907
<SHARES-COMMON-STOCK> 2,258,751
<SHARES-COMMON-PRIOR> 1,974,901
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (1,129,569)
<ACCUMULATED-NET-GAINS> 2,426,589
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 39,508,667
<NET-ASSETS> 129,448,594
<DIVIDEND-INCOME> 1,809,350
<INTEREST-INCOME> 93,958
<OTHER-INCOME> 0
<EXPENSES-NET> (2,650,931)
<NET-INVESTMENT-INCOME> (747,623)
<REALIZED-GAINS-CURRENT> 7,554,766
<APPREC-INCREASE-CURRENT> 21,120,421
<NET-CHANGE-FROM-OPS> 27,927,564
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (71,083)
<DISTRIBUTIONS-OF-GAINS> (626,133)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 5,741,962
<NUMBER-OF-SHARES-REDEEMED> (5,502,507)
<SHARES-REINVESTED> 44,395
<NET-CHANGE-IN-ASSETS> 30,501,019
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (755,640)
<OVERDIST-NET-GAINS-PRIOR> (2,051,711)
<GROSS-ADVISORY-FEES> 635,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,651,000
<AVERAGE-NET-ASSETS> 105,760,000
<PER-SHARE-NAV-BEGIN> 12.210
<PER-SHARE-NII> (0.070)
<PER-SHARE-GAIN-APPREC> 3.410
<PER-SHARE-DIVIDEND> (0.030)
<PER-SHARE-DISTRIBUTIONS> (0.290)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 15.230
<EXPENSE-RATIO> 1.940
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 13
<NAME> MAINSTAY INTERNATIONAL EQUITY FUND 15B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 89,627,564
<INVESTMENTS-AT-VALUE> 129,649,113
<RECEIVABLES> 530,326
<ASSETS-OTHER> 1,575,289
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 131,454,728
<PAYABLE-FOR-SECURITIES> 1,007,569
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 998,565
<TOTAL-LIABILITIES> 2,006,134
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 88,642,907
<SHARES-COMMON-STOCK> 6,333,271
<SHARES-COMMON-PRIOR> 6,251,105
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (1,129,569)
<ACCUMULATED-NET-GAINS> 2,426,589
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 39,508,667
<NET-ASSETS> 129,448,594
<DIVIDEND-INCOME> 1,809,350
<INTEREST-INCOME> 93,958
<OTHER-INCOME> 0
<EXPENSES-NET> (2,650,931)
<NET-INVESTMENT-INCOME> (747,623)
<REALIZED-GAINS-CURRENT> 7,554,766
<APPREC-INCREASE-CURRENT> 21,120,421
<NET-CHANGE-FROM-OPS> 27,927,564
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (205,278)
<DISTRIBUTIONS-OF-GAINS> (1,793,049)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,921,930
<NUMBER-OF-SHARES-REDEEMED> (1,977,163)
<SHARES-REINVESTED> 137,399
<NET-CHANGE-IN-ASSETS> 27,094,910
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (755,640)
<OVERDIST-NET-GAINS-PRIOR> (2,051,711)
<GROSS-ADVISORY-FEES> 635,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,651,000
<AVERAGE-NET-ASSETS> 105,760,000
<PER-SHARE-NAV-BEGIN> 12.08
<PER-SHARE-NII> (0.090)
<PER-SHARE-GAIN-APPREC> 3.280
<PER-SHARE-DIVIDEND> (0.030)
<PER-SHARE-DISTRIBUTIONS> (0.290)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 14.950
<EXPENSE-RATIO> 2.690
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 13
<NAME> MAINSTAY INTERNATIONAL EQUITY FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> SEP-01-1998
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 89,627,564
<INVESTMENTS-AT-VALUE> 129,349,113
<RECEIVABLES> 530,326
<ASSETS-OTHER> 1,575,289
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 131,454,728
<PAYABLE-FOR-SECURITIES> 1,007,569
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 998,565
<TOTAL-LIABILITIES> 2,006,134
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 88,642,907
<SHARES-COMMON-STOCK> 22,942
<SHARES-COMMON-PRIOR> 892
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (1,129,569)
<ACCUMULATED-NET-GAINS> 2,426,589
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 39,508,667
<NET-ASSETS> 129,448,594
<DIVIDEND-INCOME> 1,809,350
<INTEREST-INCOME> 93,958
<OTHER-INCOME> 0
<EXPENSES-NET> (2,650,931)
<NET-INVESTMENT-INCOME> (747,623)
<REALIZED-GAINS-CURRENT> 7,554,766
<APPREC-INCREASE-CURRENT> 21,120,421
<NET-CHANGE-FROM-OPS> 27,927,564
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (742)
<DISTRIBUTIONS-OF-GAINS> (6,487)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,152,824
<NUMBER-OF-SHARES-REDEEMED> (1,131,251)
<SHARES-REINVESTED> 477
<NET-CHANGE-IN-ASSETS> 28,065,465
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (755,640)
<OVERDIST-NET-GAINS-PRIOR> (2,051,711)
<GROSS-ADVISORY-FEES> 635,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,651,000
<AVERAGE-NET-ASSETS> 105,760,000
<PER-SHARE-NAV-BEGIN> 12.08
<PER-SHARE-NII> (0.130)
<PER-SHARE-GAIN-APPREC> 3.200
<PER-SHARE-DIVIDEND> (0.030)
<PER-SHARE-DISTRIBUTIONS> (0.290)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 14.830
<EXPENSE-RATIO> 2.690
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 16
<NAME> MAINSTAY STRATEGIC INCOME FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 82,859,321
<INVESTMENTS-AT-VALUE> 78,748,357
<RECEIVABLES> 1,611,522
<ASSETS-OTHER> 339,742
<OTHER-ITEMS-ASSETS> 168,269
<TOTAL-ASSETS> 80,867,890
<PAYABLE-FOR-SECURITIES> 197,656
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 335,783
<TOTAL-LIABILITIES> 533,439
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 87,233,486
<SHARES-COMMON-STOCK> 2,165,620
<SHARES-COMMON-PRIOR> 2,223,982
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (288,086)
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (2,600,588)
<ACCUM-APPREC-OR-DEPREC> (4,010,361)
<NET-ASSETS> 80,334,451
<DIVIDEND-INCOME> 282,985
<INTEREST-INCOME> 6,759,744
<OTHER-INCOME> 0
<EXPENSES-NET> (1,613,131)
<NET-INVESTMENT-INCOME> 5,429,598
<REALIZED-GAINS-CURRENT> (2,428,256)
<APPREC-INCREASE-CURRENT> (1,600,170)
<NET-CHANGE-FROM-OPS> 1,401,172
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1,560,949)
<DISTRIBUTIONS-OF-GAINS> (62,986)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 804,778
<NUMBER-OF-SHARES-REDEEMED> (994,475)
<SHARES-REINVESTED> 131,335
<NET-CHANGE-IN-ASSETS> (742,581)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 133,445
<OVERDISTRIB-NII-PRIOR> (99,692)
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 254,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,613,000
<AVERAGE-NET-ASSETS> 84,736,000
<PER-SHARE-NAV-BEGIN> 9.710
<PER-SHARE-NII> 0.670
<PER-SHARE-GAIN-APPREC> (0.450)
<PER-SHARE-DIVIDEND> (0.700)
<PER-SHARE-DISTRIBUTIONS> (0.030)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 9.200
<EXPENSE-RATIO> 1.340
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 16
<NAME> MAINSTAY STRATEGIC INCOME FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 82,859,321
<INVESTMENTS-AT-VALUE> 78,748,357
<RECEIVABLES> 1,611,522
<ASSETS-OTHER> 339,742
<OTHER-ITEMS-ASSETS> 168,269
<TOTAL-ASSETS> 80,867,890
<PAYABLE-FOR-SECURITIES> 197,656
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 335,783
<TOTAL-LIABILITIES> 533,439
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 87,233,486
<SHARES-COMMON-STOCK> 6,491,489
<SHARES-COMMON-PRIOR> 6,829,161
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (288,086)
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (2,600,588)
<ACCUM-APPREC-OR-DEPREC> (4,010,361)
<NET-ASSETS> 80,334,451
<DIVIDEND-INCOME> 282,985
<INTEREST-INCOME> 6,759,744
<OTHER-INCOME> 0
<EXPENSES-NET> (1,613,131)
<NET-INVESTMENT-INCOME> 5,429,598
<REALIZED-GAINS-CURRENT> (2,428,256)
<APPREC-INCREASE-CURRENT> (1,600,170)
<NET-CHANGE-FROM-OPS> 1,401,172
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (4,119,595)
<DISTRIBUTIONS-OF-GAINS> (190,675)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,246,103
<NUMBER-OF-SHARES-REDEEMED> (1,936,052)
<SHARES-REINVESTED> 352,279
<NET-CHANGE-IN-ASSETS> (6,170,573)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 133,445
<OVERDISTRIB-NII-PRIOR> (99,692)
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 254,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,613,000
<AVERAGE-NET-ASSETS> 84,736,000
<PER-SHARE-NAV-BEGIN> 9.700
<PER-SHARE-NII> 0.600
<PER-SHARE-GAIN-APPREC> (0.450)
<PER-SHARE-DIVIDEND> (0.630)
<PER-SHARE-DISTRIBUTIONS> (0.030)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 9.190
<EXPENSE-RATIO> 2.090
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 16
<NAME> MAINSTAY STRATEGIC INCOME FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 82,859,321
<INVESTMENTS-AT-VALUE> 78,748,357
<RECEIVABLES> 1,611,522
<ASSETS-OTHER> 339,742
<OTHER-ITEMS-ASSETS> 168,269
<TOTAL-ASSETS> 80,867,890
<PAYABLE-FOR-SECURITIES> 197,656
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 335,783
<TOTAL-LIABILITIES> 533,439
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 87,233,486
<SHARES-COMMON-STOCK> 83,596
<SHARES-COMMON-PRIOR> 9,417
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (288,086)
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (2,600,588)
<ACCUM-APPREC-OR-DEPREC> (4,010,361)
<NET-ASSETS> 80,334,451
<DIVIDEND-INCOME> 282,985
<INTEREST-INCOME> 6,759,744
<OTHER-INCOME> 0
<EXPENSES-NET> (1,613,131)
<NET-INVESTMENT-INCOME> 5,429,598
<REALIZED-GAINS-CURRENT> (2,428,256)
<APPREC-INCREASE-CURRENT> (1,600,170)
<NET-CHANGE-FROM-OPS> 1,401,172
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (56,764)
<DISTRIBUTIONS-OF-GAINS> (4,445)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,730,493
<NUMBER-OF-SHARES-REDEEMED> (1,661,583)
<SHARES-REINVESTED> 5,266
<NET-CHANGE-IN-ASSETS> 2,082,528
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 133,445
<OVERDISTRIB-NII-PRIOR> (99,692)
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 254,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,613,000
<AVERAGE-NET-ASSETS> 84,736,000
<PER-SHARE-NAV-BEGIN> 9.700
<PER-SHARE-NII> 0.600
<PER-SHARE-GAIN-APPREC> (0.450)
<PER-SHARE-DIVIDEND> (0.630)
<PER-SHARE-DISTRIBUTIONS> (0.030)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 9.190
<EXPENSE-RATIO> 2.090
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 11
<NAME> MAINSTAY STRATEGIC VALUE FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 51,330,843
<INVESTMENTS-AT-VALUE> 54,495,109
<RECEIVABLES> 410,049
<ASSETS-OTHER> 127,093
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 55,032,251
<PAYABLE-FOR-SECURITIES> 91,123
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 186,041
<TOTAL-LIABILITIES> 277,164
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 51,981,848
<SHARES-COMMON-STOCK> 1,695,497
<SHARES-COMMON-PRIOR> 1,762,515
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (31,438)
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (358,526)
<ACCUM-APPREC-OR-DEPREC> 3,163,203
<NET-ASSETS> 54,755,087
<DIVIDEND-INCOME> 838,092
<INTEREST-INCOME> 1,213,717
<OTHER-INCOME> 0
<EXPENSES-NET> 1,228,326
<NET-INVESTMENT-INCOME> 823,483
<REALIZED-GAINS-CURRENT> 1,582,116
<APPREC-INCREASE-CURRENT> 4,185,697
<NET-CHANGE-FROM-OPS> 6,591,296
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (381,688)
<DISTRIBUTIONS-OF-GAINS> (273,838)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 229,766
<NUMBER-OF-SHARES-REDEEMED> (356,102)
<SHARES-REINVESTED> 59,318
<NET-CHANGE-IN-ASSETS> 5,340,243
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (4,459)
<OVERDIST-NET-GAINS-PRIOR> (1,155,507)
<GROSS-ADVISORY-FEES> 210,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,228,000
<AVERAGE-NET-ASSETS> 56,089,000
<PER-SHARE-NAV-BEGIN> 10.180
<PER-SHARE-NII> 0.230
<PER-SHARE-GAIN-APPREC> 1.140
<PER-SHARE-DIVIDEND> (0.230)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> (0.170)
<PER-SHARE-NAV-END> 11.150
<EXPENSE-RATIO> 1.690
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 11
<NAME> MAINSTAY STRATEGIC VALUE FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 51,330,843
<INVESTMENTS-AT-VALUE> 54,495,109
<RECEIVABLES> 410,049
<ASSETS-OTHER> 127,093
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 55,032,251
<PAYABLE-FOR-SECURITIES> 91,123
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 186,041
<TOTAL-LIABILITIES> 277,164
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 51,981,848
<SHARES-COMMON-STOCK> 3,206,471
<SHARES-COMMON-PRIOR> 3,787,832
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (31,438)
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (358,526)
<ACCUM-APPREC-OR-DEPREC> 3,163,203
<NET-ASSETS> 54,755,087
<DIVIDEND-INCOME> 838,092
<INTEREST-INCOME> 1,213,717
<OTHER-INCOME> 0
<EXPENSES-NET> 1,228,326
<NET-INVESTMENT-INCOME> 823,483
<REALIZED-GAINS-CURRENT> 1,582,116
<APPREC-INCREASE-CURRENT> 4,185,697
<NET-CHANGE-FROM-OPS> 6,591,296
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (489,936)
<DISTRIBUTIONS-OF-GAINS> (522,956)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 601,436
<NUMBER-OF-SHARES-REDEEMED> (1,274,310)
<SHARES-REINVESTED> 91,513
<NET-CHANGE-IN-ASSETS> (610,568)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (4,459)
<OVERDIST-NET-GAINS-PRIOR> (1,155,507)
<GROSS-ADVISORY-FEES> 210,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,228,000
<AVERAGE-NET-ASSETS> 56,089,000
<PER-SHARE-NAV-BEGIN> 10.170
<PER-SHARE-NII> 0.150
<PER-SHARE-GAIN-APPREC> 1.130
<PER-SHARE-DIVIDEND> (0.150)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> (0.170)
<PER-SHARE-NAV-END> 11.130
<EXPENSE-RATIO> 2.440
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 11
<NAME> MAINSTAY STRATEGIC VALUE FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 51,330,843
<INVESTMENTS-AT-VALUE> 54,495,109
<RECEIVABLES> 410,049
<ASSETS-OTHER> 127,093
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 55,032,251
<PAYABLE-FOR-SECURITIES> 91,123
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 186,041
<TOTAL-LIABILITIES> 277,164
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 51,981,848
<SHARES-COMMON-STOCK> 13,804
<SHARES-COMMON-PRIOR> 8,220
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (31,438)
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (358,526)
<ACCUM-APPREC-OR-DEPREC> 3,163,203
<NET-ASSETS> 54,755,087
<DIVIDEND-INCOME> 838,092
<INTEREST-INCOME> 1,213,717
<OTHER-INCOME> 0
<EXPENSES-NET> 1,228,326
<NET-INVESTMENT-INCOME> 823,483
<REALIZED-GAINS-CURRENT> 1,582,116
<APPREC-INCREASE-CURRENT> 4,185,697
<NET-CHANGE-FROM-OPS> 6,591,296
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1,729)
<DISTRIBUTIONS-OF-GAINS> (2,244)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 17,619
<NUMBER-OF-SHARES-REDEEMED> (12,164)
<SHARES-REINVESTED> 129
<NET-CHANGE-IN-ASSETS> 6,650,428
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (4,459)
<OVERDIST-NET-GAINS-PRIOR> (1,155,507)
<GROSS-ADVISORY-FEES> 210,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,228,000
<AVERAGE-NET-ASSETS> 56,089,000
<PER-SHARE-NAV-BEGIN> 10.170
<PER-SHARE-NII> 0.150
<PER-SHARE-GAIN-APPREC> 1.130
<PER-SHARE-DIVIDEND> (0.150)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> (0.170)
<PER-SHARE-NAV-END> 11.130
<EXPENSE-RATIO> 2.540
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 18
<NAME> MAINSTAY SMALL CAP GROWTH FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 135,737,814
<INVESTMENTS-AT-VALUE> 203,927,381
<RECEIVABLES> 2,216,767
<ASSETS-OTHER> 56,466
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 206,245,614
<PAYABLE-FOR-SECURITIES> 8,850,451
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 405,549
<TOTAL-LIABILITIES> 9,256,000
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 122,586,973
<SHARES-COMMON-STOCK> 2,954,347
<SHARES-COMMON-PRIOR> 1,457,546
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 6,168,074
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 68,234,567
<NET-ASSETS> 196,989,614
<DIVIDEND-INCOME> 31,251
<INTEREST-INCOME> 269,980
<OTHER-INCOME> 0
<EXPENSES-NET> (1,681,386)
<NET-INVESTMENT-INCOME> (1,380,155)
<REALIZED-GAINS-CURRENT> 9,165,533
<APPREC-INCREASE-CURRENT> 64,530,904
<NET-CHANGE-FROM-OPS> 72,316,282
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,912,466
<NUMBER-OF-SHARES-REDEEMED> 1,415,665
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 160,921,991
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (1,630,794)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 707,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,681,000
<AVERAGE-NET-ASSETS> 26,742,000
<PER-SHARE-NAV-BEGIN> 10.510
<PER-SHARE-NII> (0.200)
<PER-SHARE-GAIN-APPREC> 11.510
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 21.820
<EXPENSE-RATIO> 1.910
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 18
<NAME> MAINSTAY SMALL CAP GROWTH FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-01-1999
<INVESTMENTS-AT-COST> 135,737,814
<INVESTMENTS-AT-VALUE> 203,972,381
<RECEIVABLES> 2,216,767
<ASSETS-OTHER> 56,466
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 206,245,614
<PAYABLE-FOR-SECURITIES> 8,850,451
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 405,549
<TOTAL-LIABILITIES> 9,256,000
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 122,586,973
<SHARES-COMMON-STOCK> 6,056,204
<SHARES-COMMON-PRIOR> 1,983,138
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 6,168,074
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 68,234,567
<NET-ASSETS> 196,989,614
<DIVIDEND-INCOME> 31,251
<INTEREST-INCOME> 269,980
<OTHER-INCOME> 0
<EXPENSES-NET> (1,681,386)
<NET-INVESTMENT-INCOME> (1,380,155)
<REALIZED-GAINS-CURRENT> 9,165,533
<APPREC-INCREASE-CURRENT> 64,530,904
<NET-CHANGE-FROM-OPS> 72,316,282
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 5,003,130
<NUMBER-OF-SHARES-REDEEMED> 930,064
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 160,921,991
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (1,630,794)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 707,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,681,000
<AVERAGE-NET-ASSETS> 43,632,000
<PER-SHARE-NAV-BEGIN> 10.460
<PER-SHARE-NII> (0.300)
<PER-SHARE-GAIN-APPREC> 11.390
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 21.550
<EXPENSE-RATIO> 2.660
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 18
<NAME> MAINSTAY SMALL CAP GROWTH FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 135,737,814
<INVESTMENTS-AT-VALUE> 203,972,381
<RECEIVABLES> 2,216,767
<ASSETS-OTHER> 56,466
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 206,245,614
<PAYABLE-FOR-SECURITIES> 8,850,451
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 405,549
<TOTAL-LIABILITIES> 9,256,000
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 122,586,973
<SHARES-COMMON-STOCK> 94,311
<SHARES-COMMON-PRIOR> 63
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 6,168,074
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 68,234,567
<NET-ASSETS> 196,989,614
<DIVIDEND-INCOME> 31,251
<INTEREST-INCOME> 269,980
<OTHER-INCOME> 0
<EXPENSES-NET> (1,681,386)
<NET-INVESTMENT-INCOME> (1,380,155)
<REALIZED-GAINS-CURRENT> 9,165,533
<APPREC-INCREASE-CURRENT> 64,530,904
<NET-CHANGE-FROM-OPS> 72,316,282
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 100,744
<NUMBER-OF-SHARES-REDEEMED> 6,496
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 160,921,991
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (1,630,794)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 707,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,681,000
<AVERAGE-NET-ASSETS> 354,000
<PER-SHARE-NAV-BEGIN> 10.460
<PER-SHARE-NII> (0300)
<PER-SHARE-GAIN-APPREC> 11.390
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 21.550
<EXPENSE-RATIO> 2.660
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 6
<NAME> MAINSTAY SMALL CAP VALUE FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 29,655,474
<INVESTMENTS-AT-VALUE> 31,345,587
<RECEIVABLES> 268,256
<ASSETS-OTHER> 76,786
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 31,690,629
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 129,168
<TOTAL-LIABILITIES> 129,168
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 30,484,703
<SHARES-COMMON-STOCK> 1,590,020
<SHARES-COMMON-PRIOR> 1,366,325
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (654,314)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1,690,113
<NET-ASSETS> 31,520,502
<DIVIDEND-INCOME> 362,323
<INTEREST-INCOME> 64,435
<OTHER-INCOME> 0
<EXPENSES-NET> (637,256)
<NET-INVESTMENT-INCOME> (210,498)
<REALIZED-GAINS-CURRENT> 174,014
<APPREC-INCREASE-CURRENT> 1,788,220
<NET-CHANGE-FROM-OPS> 1,751,736
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 400,658
<NUMBER-OF-SHARES-REDEEMED> 180,318
<SHARES-REINVESTED> 3,355
<NET-CHANGE-IN-ASSETS> 8,880,640
<ACCUMULATED-NII-PRIOR> 7,614
<ACCUMULATED-GAINS-PRIOR> (598,651)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 280,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 725,000
<AVERAGE-NET-ASSETS> 13,764,031
<PER-SHARE-NAV-BEGIN> 9.030
<PER-SHARE-NII> (0.030)
<PER-SHARE-GAIN-APPREC> 0.580
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> (0.020)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 9.560
<EXPENSE-RATIO> 1.900
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 6
<NAME> MAINSTAY SMALL CAP VALUE FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 29,655,474
<INVESTMENTS-AT-VALUE> 31,345,587
<RECEIVABLES> 268,256
<ASSETS-OTHER> 76,786
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 31,690,629
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 129,168
<TOTAL-LIABILITIES> 129,168
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 30,484,703
<SHARES-COMMON-STOCK> 1,661,928
<SHARES-COMMON-PRIOR> 1,127,175
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (654,314)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1,690,113
<NET-ASSETS> 31,520,502
<DIVIDEND-INCOME> 362,323
<INTEREST-INCOME> 64,435
<OTHER-INCOME> 0
<EXPENSES-NET> (637,256)
<NET-INVESTMENT-INCOME> (210,498)
<REALIZED-GAINS-CURRENT> 174,014
<APPREC-INCREASE-CURRENT> 1,788,220
<NET-CHANGE-FROM-OPS> 1,751,736
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 959,616
<NUMBER-OF-SHARES-REDEEMED> 428,393
<SHARES-REINVESTED> 3,530
<NET-CHANGE-IN-ASSETS> 8,880,640
<ACCUMULATED-NII-PRIOR> 7,614
<ACCUMULATED-GAINS-PRIOR> (598,651)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 280,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 725,000
<AVERAGE-NET-ASSETS> 13,753,662
<PER-SHARE-NAV-BEGIN> 9.000
<PER-SHARE-NII> (0.100)
<PER-SHARE-GAIN-APPREC> 0.580
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> (0.020)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 9.460
<EXPENSE-RATIO> 2.650
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 6
<NAME> MAINSTAY SMALL CAP VALUE FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 29,655,474
<INVESTMENTS-AT-VALUE> 31,345,587
<RECEIVABLES> 268,256
<ASSETS-OTHER> 76,786
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 31,690,629
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 129,168
<TOTAL-LIABILITIES> 129,168
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 30,484,703
<SHARES-COMMON-STOCK> 67,005
<SHARES-COMMON-PRIOR> 21,808
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (654,314)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1,690,113
<NET-ASSETS> 31,520,502
<DIVIDEND-INCOME> 362,323
<INTEREST-INCOME> 64,435
<OTHER-INCOME> 0
<EXPENSES-NET> (637,256)
<NET-INVESTMENT-INCOME> (210,198)
<REALIZED-GAINS-CURRENT> 174,014
<APPREC-INCREASE-CURRENT> 1,788,736
<NET-CHANGE-FROM-OPS> 1,751,736
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 59,641
<NUMBER-OF-SHARES-REDEEMED> 14,519
<SHARES-REINVESTED> 75
<NET-CHANGE-IN-ASSETS> 8,880,640
<ACCUMULATED-NII-PRIOR> 7,614
<ACCUMULATED-GAINS-PRIOR> (598,651)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 280,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 725,000
<AVERAGE-NET-ASSETS> 444,561
<PER-SHARE-NAV-BEGIN> 9.000
<PER-SHARE-NII> (0.100)
<PER-SHARE-GAIN-APPREC> 0.580
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> (0.020)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 9.460
<EXPENSE-RATIO> 2.650
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS, INC.
<SERIES>
<NUMBER> 20
<NAME> MAINSTAY BLUE CHIP GROWTH FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 220,388,933
<INVESTMENTS-AT-VALUE> 294,575,647
<RECEIVABLES> 2,380,677
<ASSETS-OTHER> 46,849
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 297,003,173
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 639,741
<TOTAL-LIABILITIES> 639,741
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 221,453,745
<SHARES-COMMON-STOCK> 4,019,760
<SHARES-COMMON-PRIOR> 1,663,458
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 722,973
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 74,186,714
<NET-ASSETS> 296,363,432
<DIVIDEND-INCOME> 974,643
<INTEREST-INCOME> 148,339
<OTHER-INCOME> 0
<EXPENSES-NET> (3,549,616)
<NET-INVESTMENT-INCOME> (2,426,634)
<REALIZED-GAINS-CURRENT> 1,764,358
<APPREC-INCREASE-CURRENT> 65,187,327
<NET-CHANGE-FROM-OPS> 64,525,051
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,767,379
<NUMBER-OF-SHARES-REDEEMED> 411,077
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 238,404,857
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (1,523,000)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,523,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,550,000
<AVERAGE-NET-ASSETS> 35,682,385
<PER-SHARE-NAV-BEGIN> 11.640
<PER-SHARE-NII> (0.130)
<PER-SHARE-GAIN-APPREC> 4.990
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 16.500
<EXPENSE-RATIO> 1.760
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 20
<NAME> MAINSTAY BLUE CHIP GROWTH FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 220,388,933
<INVESTMENTS-AT-VALUE> 294,575,647
<RECEIVABLES> 2,380,677
<ASSETS-OTHER> 46,849
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 297,003,173
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 639,741
<TOTAL-LIABILITIES> 639,741
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 221,453,745
<SHARES-COMMON-STOCK> 13,653,274
<SHARES-COMMON-PRIOR> 3,316,938
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 722,973
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 74,186,714
<NET-ASSETS> 296,363,432
<DIVIDEND-INCOME> 974,643
<INTEREST-INCOME> 148,339
<OTHER-INCOME> 0
<EXPENSES-NET> (3,549,616)
<NET-INVESTMENT-INCOME> (2,426,634)
<REALIZED-GAINS-CURRENT> 1,764,358
<APPREC-INCREASE-CURRENT> 65,187,327
<NET-CHANGE-FROM-OPS> 64,525,051
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 11,866,065
<NUMBER-OF-SHARES-REDEEMED> 1,529,729
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 238,404,857
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (1,041,385)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,523,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,550,000
<AVERAGE-NET-ASSETS> 114,449,629
<PER-SHARE-NAV-BEGIN> 11.600
<PER-SHARE-NII> (0.230)
<PER-SHARE-GAIN-APPREC> 4.960
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 16.330
<EXPENSE-RATIO> 2.510
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 20
<NAME> MAINSTAY BLUE CHIP GROWTH FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 220,388,933
<INVESTMENTS-AT-VALUE> 294,575,647
<RECEIVABLES> 2,380,677
<ASSETS-OTHER> 46,849
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 297,003,173
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 639,741
<TOTAL-LIABILITIES> 639,741
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 221,453,745
<SHARES-COMMON-STOCK> 436,874
<SHARES-COMMON-PRIOR> 10,327
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 722,973
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 74,186,714
<NET-ASSETS> 296,363,432
<DIVIDEND-INCOME> 974,643
<INTEREST-INCOME> 148,339
<OTHER-INCOME> 0
<EXPENSES-NET> (3,549,616)
<NET-INVESTMENT-INCOME> (2,426,634)
<REALIZED-GAINS-CURRENT> 1,764,358
<APPREC-INCREASE-CURRENT> 65,187,327
<NET-CHANGE-FROM-OPS> 64,525,051
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 443,572
<NUMBER-OF-SHARES-REDEEMED> 17,025
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 238,404,857
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (1,041,385)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,523,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,550,000
<AVERAGE-NET-ASSETS> 2,130,292
<PER-SHARE-NAV-BEGIN> 11.600
<PER-SHARE-NII> (0.230)
<PER-SHARE-GAIN-APPREC> 4.960
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 16.330
<EXPENSE-RATIO> 2.510
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 21
<NAME> MAINSTAY EQUITY INCOME FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 43,272,317
<INVESTMENTS-AT-VALUE> 44,063,029
<RECEIVABLES> 581,049
<ASSETS-OTHER> 50,945
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 44,695,023
<PAYABLE-FOR-SECURITIES> 1,172,409
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 131,331
<TOTAL-LIABILITIES> 1,303,740
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 41,774,259
<SHARES-COMMON-STOCK> 1,588,299
<SHARES-COMMON-PRIOR> 1,004,199
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 826,312
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 790,712
<NET-ASSETS> 43,391,283
<DIVIDEND-INCOME> 821,328
<INTEREST-INCOME> 156,507
<OTHER-INCOME> 0
<EXPENSES-NET> (547,993)
<NET-INVESTMENT-INCOME> 429,842
<REALIZED-GAINS-CURRENT> 2,946,162
<APPREC-INCREASE-CURRENT> 795,505
<NET-CHANGE-FROM-OPS> 4,171,509
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (269,644)
<DISTRIBUTIONS-OF-GAINS> (1,093,105)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 598,421
<NUMBER-OF-SHARES-REDEEMED> 115,298
<SHARES-REINVESTED> 100,977
<NET-CHANGE-IN-ASSETS> 28,935,044
<ACCUMULATED-NII-PRIOR> 3,420
<ACCUMULATED-GAINS-PRIOR> 419,282
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 191,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 594,000
<AVERAGE-NET-ASSETS> 14,097,000
<PER-SHARE-NAV-BEGIN> 10.250
<PER-SHARE-NII> 0.230
<PER-SHARE-GAIN-APPREC> 2.290
<PER-SHARE-DIVIDEND> (0.220)
<PER-SHARE-DISTRIBUTIONS> (0.740)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 11.810
<EXPENSE-RATIO> 1.650
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 21
<NAME> MAINSTAY EQUITY INCOME FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 43,272,317
<INVESTMENTS-AT-VALUE> 44,063,029
<RECEIVABLES> 581,049
<ASSETS-OTHER> 50,945
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 44,695,023
<PAYABLE-FOR-SECURITIES> 1,172,409
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 131,331
<TOTAL-LIABILITIES> 1,303,740
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 41,774,259
<SHARES-COMMON-STOCK> 2,020,019
<SHARES-COMMON-PRIOR> 407,002
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 826,312
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 790,712
<NET-ASSETS> 43,391,283
<DIVIDEND-INCOME> 821,328
<INTEREST-INCOME> 156,507
<OTHER-INCOME> 0
<EXPENSES-NET> (547,993)
<NET-INVESTMENT-INCOME> 429,842
<REALIZED-GAINS-CURRENT> 2,946,162
<APPREC-INCREASE-CURRENT> 795,505
<NET-CHANGE-FROM-OPS> 4,171,509
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (171,600)
<DISTRIBUTIONS-OF-GAINS> (1,397,249)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,888,103
<NUMBER-OF-SHARES-REDEEMED> 406,731
<SHARES-REINVESTED> 131,645
<NET-CHANGE-IN-ASSETS> 28,935,044
<ACCUMULATED-NII-PRIOR> 3,420
<ACCUMULATED-GAINS-PRIOR> 419,282
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 191,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 594,000
<AVERAGE-NET-ASSETS> 12,852,000
<PER-SHARE-NAV-BEGIN> 10.240
<PER-SHARE-NII> 0.130
<PER-SHARE-GAIN-APPREC> 2.300
<PER-SHARE-DIVIDEND> (0.150)
<PER-SHARE-DISTRIBUTIONS> (0.740)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 11.780
<EXPENSE-RATIO> 2.400
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 21
<NAME> MAINSTAY EQUITY INCOME FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 43,272,317
<INVESTMENTS-AT-VALUE> 44,063,029
<RECEIVABLES> 581,049
<ASSETS-OTHER> 50,945
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 44,695,023
<PAYABLE-FOR-SECURITIES> 1,172,409
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 131,331
<TOTAL-LIABILITIES> 1,303,740
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 41,774,259
<SHARES-COMMON-STOCK> 69,925
<SHARES-COMMON-PRIOR> 33
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 826,312
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 790,712
<NET-ASSETS> 43,391,283
<DIVIDEND-INCOME> 821,328
<INTEREST-INCOME> 156,507
<OTHER-INCOME> 0
<EXPENSES-NET> (547,993)
<NET-INVESTMENT-INCOME> 429,842
<REALIZED-GAINS-CURRENT> 2,946,162
<APPREC-INCREASE-CURRENT> 795,505
<NET-CHANGE-FROM-OPS> 4,171,509
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (3,987)
<DISTRIBUTIONS-OF-GAINS> (50,299)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 81,743
<NUMBER-OF-SHARES-REDEEMED> 16,213
<SHARES-REINVESTED> 4,362
<NET-CHANGE-IN-ASSETS> 28,935,044
<ACCUMULATED-NII-PRIOR> 3,420
<ACCUMULATED-GAINS-PRIOR> 419,282
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 191,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 594,000
<AVERAGE-NET-ASSETS> 298,000
<PER-SHARE-NAV-BEGIN> 10.240
<PER-SHARE-NII> 0.130
<PER-SHARE-GAIN-APPREC> 2.300
<PER-SHARE-DIVIDEND> (0.150)
<PER-SHARE-DISTRIBUTIONS> (0.740)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 11.780
<EXPENSE-RATIO> 2.400
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 22
<NAME> MAINSTAY GROWTH OPPORTUNITIES FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 67,109,319
<INVESTMENTS-AT-VALUE> 85,712,398
<RECEIVABLES> 401,745
<ASSETS-OTHER> 53,602
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 86,167,745
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 210,184
<TOTAL-LIABILITIES> 210,184
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 66,502,985
<SHARES-COMMON-STOCK> 1,705,266
<SHARES-COMMON-PRIOR> 1,120,585
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 851,497
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 18,603,079
<NET-ASSETS> 85,957,561
<DIVIDEND-INCOME> 418,988
<INTEREST-INCOME> 334,653
<OTHER-INCOME> 0
<EXPENSES-NET> (1,096,836)
<NET-INVESTMENT-INCOME> (343,195)
<REALIZED-GAINS-CURRENT> 1,172,657
<APPREC-INCREASE-CURRENT> 14,864,752
<NET-CHANGE-FROM-OPS> 15,694,214
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (14,335)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 752,820
<NUMBER-OF-SHARES-REDEEMED> 169,098
<SHARES-REINVESTED> 959
<NET-CHANGE-IN-ASSETS> 60,313,445
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (274,313)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 370,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,097,000
<AVERAGE-NET-ASSETS> 18,488,440
<PER-SHARE-NAV-BEGIN> 11.860
<PER-SHARE-NII> (0.020)
<PER-SHARE-GAIN-APPREC> 3.540
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> (0.010)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 15.370
<EXPENSE-RATIO> 1.590
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 22
<NAME> MAINSTAY GROWTH OPPORTUNITIES FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 67,109,319
<INVESTMENTS-AT-VALUE> 85,712,398
<RECEIVABLES> 401,745
<ASSETS-OTHER> 53,602
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 86,167,745
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 210,184
<TOTAL-LIABILITIES> 210,184
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 66,502,985
<SHARES-COMMON-STOCK> 3,880,775
<SHARES-COMMON-PRIOR> 1,046,275
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 851,497
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 18,603,079
<NET-ASSETS> 85,957,561
<DIVIDEND-INCOME> 418,988
<INTEREST-INCOME> 334,653
<OTHER-INCOME> 0
<EXPENSES-NET> (1,096,836)
<NET-INVESTMENT-INCOME> (343,195)
<REALIZED-GAINS-CURRENT> 1,172,657
<APPREC-INCREASE-CURRENT> 14,864,752
<NET-CHANGE-FROM-OPS> 15,694,214
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (32,104)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3,338,377
<NUMBER-OF-SHARES-REDEEMED> 506,021
<SHARES-REINVESTED> 2,144
<NET-CHANGE-IN-ASSETS> 60,313,445
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (274,313)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 370,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,097,000
<AVERAGE-NET-ASSETS> 34,089,774
<PER-SHARE-NAV-BEGIN> 11.800
<PER-SHARE-NII> (0.110)
<PER-SHARE-GAIN-APPREC> 3.510
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> (0.010)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 15.190
<EXPENSE-RATIO> 2.340
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 22
<NAME> MAINSTAY GROWTH OPPORTUNITIES FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 67,109,319
<INVESTMENTS-AT-VALUE> 85,712,398
<RECEIVABLES> 401,745
<ASSETS-OTHER> 53,602
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 86,167,745
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 210,184
<TOTAL-LIABILITIES> 210,184
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 66,502,985
<SHARES-COMMON-STOCK> 53,063
<SHARES-COMMON-PRIOR> 32
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 851,497
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 18,603,079
<NET-ASSETS> 85,957,561
<DIVIDEND-INCOME> 418,988
<INTEREST-INCOME> 334,653
<OTHER-INCOME> 0
<EXPENSES-NET> (1,096,836)
<NET-INVESTMENT-INCOME> (343,195)
<REALIZED-GAINS-CURRENT> 1,172,657
<APPREC-INCREASE-CURRENT> 14,864,752
<NET-CHANGE-FROM-OPS> 15,694,214
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (408)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 56,113
<NUMBER-OF-SHARES-REDEEMED> 3,109
<SHARES-REINVESTED> 27
<NET-CHANGE-IN-ASSETS> 60,313,445
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (274,313)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 370,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,097,000
<AVERAGE-NET-ASSETS> 226,449
<PER-SHARE-NAV-BEGIN> 11.800
<PER-SHARE-NII> (0.110)
<PER-SHARE-GAIN-APPREC> 3.510
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> (0.010)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 15.190
<EXPENSE-RATIO> 2.340
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 23
<NAME> MAINSTAY RESEARCH VALUE FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 987,614
<INVESTMENTS-AT-VALUE> 25,238,718
<RECEIVABLES> 124,866
<ASSETS-OTHER> 46,465
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 25,410,049
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 100,096
<TOTAL-LIABILITIES> 100,096
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 22,409,477
<SHARES-COMMON-STOCK> 886,168
<SHARES-COMMON-PRIOR> 447,712
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (372,520)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3,251,104
<NET-ASSETS> 25,309,953
<DIVIDEND-INCOME> 248,157
<INTEREST-INCOME> 46,578
<OTHER-INCOME> 0
<EXPENSES-NET> (421,046)
<NET-INVESTMENT-INCOME> (126,311)
<REALIZED-GAINS-CURRENT> 1,343,606
<APPREC-INCREASE-CURRENT> 2,061,596
<NET-CHANGE-FROM-OPS> 3,278,891
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 485,529
<NUMBER-OF-SHARES-REDEEMED> 85,017
<SHARES-REINVESTED> 37,944
<NET-CHANGE-IN-ASSETS> 10,204,963
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (464,079)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 171,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 489,000
<AVERAGE-NET-ASSETS> 7,319,979
<PER-SHARE-NAV-BEGIN> 10.250
<PER-SHARE-NII> (0.090)
<PER-SHARE-GAIN-APPREC> 1.870
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> (0.550)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 11.480
<EXPENSE-RATIO> 2.550
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 23
<NAME> MAINSTAY RESEARCH VALUE FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 987,614
<INVESTMENTS-AT-VALUE> 25,238,718
<RECEIVABLES> 124,866
<ASSETS-OTHER> 46,465
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 25,410,049
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 100,096
<TOTAL-LIABILITIES> 100,096
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 22,409,477
<SHARES-COMMON-STOCK> 99,836
<SHARES-COMMON-PRIOR> 13,464
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (372,520)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 3,251,104
<NET-ASSETS> 25,309,953
<DIVIDEND-INCOME> 248,157
<INTEREST-INCOME> 46,578
<OTHER-INCOME> 0
<EXPENSES-NET> (421,046)
<NET-INVESTMENT-INCOME> (126,311)
<REALIZED-GAINS-CURRENT> 1,343,606
<APPREC-INCREASE-CURRENT> 2,061,596
<NET-CHANGE-FROM-OPS> 3,278,891
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 86,289
<NUMBER-OF-SHARES-REDEEMED> 3,438
<SHARES-REINVESTED> 3,521
<NET-CHANGE-IN-ASSETS> 10,204,963
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (464,079)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 171,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 489,000
<AVERAGE-NET-ASSETS> 643,032
<PER-SHARE-NAV-BEGIN> 10.250
<PER-SHARE-NII> (0.090)
<PER-SHARE-GAIN-APPREC> 1.870
<PER-SHARE-DIVIDEND> 0.000
<PER-SHARE-DISTRIBUTIONS> (0.550)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 11.480
<EXPENSE-RATIO> 2.550
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 24
<NAME> MAINSTAY GLOBAL HIGH YIELD - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 11,113,041
<INVESTMENTS-AT-VALUE> 11,767,094
<RECEIVABLES> 273,990
<ASSETS-OTHER> 203,496
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 12,244,580
<PAYABLE-FOR-SECURITIES> 150,000
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 72,988
<TOTAL-LIABILITIES> 222,988
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 13,388,389
<SHARES-COMMON-STOCK> 954,639
<SHARES-COMMON-PRIOR> 944,020
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (2,020,850)
<ACCUM-APPREC-OR-DEPREC> 654,053
<NET-ASSETS> 12,021,592
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,211,400
<OTHER-INCOME> 0
<EXPENSES-NET> (206,365)
<NET-INVESTMENT-INCOME> 1,005,035
<REALIZED-GAINS-CURRENT> (740,048)
<APPREC-INCREASE-CURRENT> 1,562,334
<NET-CHANGE-FROM-OPS> 1,827,321
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (739,975)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 54,959
<NUMBER-OF-SHARES-REDEEMED> (47,878)
<SHARES-REINVESTED> 3,538
<NET-CHANGE-IN-ASSETS> 1,176,529
<ACCUMULATED-NII-PRIOR> 1,284
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (1,272,491)
<GROSS-ADVISORY-FEES> 37,600
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 323,000
<AVERAGE-NET-ASSETS> 10,749,000
<PER-SHARE-NAV-BEGIN> 8.000
<PER-SHARE-NII> 0.780
<PER-SHARE-GAIN-APPREC> 0.590
<PER-SHARE-DIVIDEND> (0.790)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 8.580
<EXPENSE-RATIO> 1.700
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 24
<NAME> MAINSTAY GLOBAL HIGH YIELD - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 11,113,041
<INVESTMENTS-AT-VALUE> 11,767,094
<RECEIVABLES> 273,990
<ASSETS-OTHER> 203,496
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 12,244,580
<PAYABLE-FOR-SECURITIES> 150,000
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 72,988
<TOTAL-LIABILITIES> 222,988
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 13,388,389
<SHARES-COMMON-STOCK> 439,859
<SHARES-COMMON-PRIOR> 317,320
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (2,020,850)
<ACCUM-APPREC-OR-DEPREC> 654,053
<NET-ASSETS> 12,021,592
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,211,400
<OTHER-INCOME> 0
<EXPENSES-NET> (206,365)
<NET-INVESTMENT-INCOME> 1,005,035
<REALIZED-GAINS-CURRENT> (740,048)
<APPREC-INCREASE-CURRENT> 1,562,334
<NET-CHANGE-FROM-OPS> 1,827,321
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (285,613)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 163,177
<NUMBER-OF-SHARES-REDEEMED> (55,682)
<SHARES-REINVESTED> 15,044
<NET-CHANGE-IN-ASSETS> 2,522,560
<ACCUMULATED-NII-PRIOR> 1,284
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (1,272,491)
<GROSS-ADVISORY-FEES> 37,600
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 323,000
<AVERAGE-NET-ASSETS> 10,749,000
<PER-SHARE-NAV-BEGIN> 7.980
<PER-SHARE-NII> 0.710
<PER-SHARE-GAIN-APPREC> 0.570
<PER-SHARE-DIVIDEND> (0.720)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 8.540
<EXPENSE-RATIO> 2.450
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> THE MAINSTAY FUNDS
<SERIES>
<NUMBER> 24
<NAME> MAINSTAY GLOBAL HIGH YIELD - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 11,113,041
<INVESTMENTS-AT-VALUE> 11,767,094
<RECEIVABLES> 273,990
<ASSETS-OTHER> 203,496
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 12,244,580
<PAYABLE-FOR-SECURITIES> 150,000
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 72,988
<TOTAL-LIABILITIES> 222,988
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 13,388,389
<SHARES-COMMON-STOCK> 9,267
<SHARES-COMMON-PRIOR> 51
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (2,020,850)
<ACCUM-APPREC-OR-DEPREC> 654,053
<NET-ASSETS> 12,021,592
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 1,211,400
<OTHER-INCOME> 0
<EXPENSES-NET> (206,365)
<NET-INVESTMENT-INCOME> 1,005,035
<REALIZED-GAINS-CURRENT> (740,048)
<APPREC-INCREASE-CURRENT> 1,562,334
<NET-CHANGE-FROM-OPS> 1,827,321
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (3,998)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 10,787
<NUMBER-OF-SHARES-REDEEMED> (1,838)
<SHARES-REINVESTED> 267
<NET-CHANGE-IN-ASSETS> 1,896,876
<ACCUMULATED-NII-PRIOR> 1,284
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (1,272,491)
<GROSS-ADVISORY-FEES> 37,600
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 323,000
<AVERAGE-NET-ASSETS> 10,749,000
<PER-SHARE-NAV-BEGIN> 7.980
<PER-SHARE-NII> 0.710
<PER-SHARE-GAIN-APPREC> 0.570
<PER-SHARE-DIVIDEND> (0.720)
<PER-SHARE-DISTRIBUTIONS> 0.000
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 8.540
<EXPENSE-RATIO> 2.450
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 25
<NAME> MAINSTAY MAP EQUITY FUND - CLASS A
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> OTHER
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JUN-09-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 64,566,870
<INVESTMENTS-AT-VALUE> 86,658,500
<RECEIVABLES> 283,299
<ASSETS-OTHER> 22,412
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 86,964,211
<PAYABLE-FOR-SECURITIES> 720,032
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 145,076
<TOTAL-LIABILITIES> 865,108
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 62,907,682
<SHARES-COMMON-STOCK> 329,877
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,099,791
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 22,091,630
<NET-ASSETS> 86,099,103
<DIVIDEND-INCOME> 760,892
<INTEREST-INCOME> 187,056
<OTHER-INCOME> 0
<EXPENSES-NET> (687,673)
<NET-INVESTMENT-INCOME> 260,275
<REALIZED-GAINS-CURRENT> 4,098,524
<APPREC-INCREASE-CURRENT> 4,226,445
<NET-CHANGE-FROM-OPS> 8,585,244
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (11,898)
<DISTRIBUTIONS-OF-GAINS> (310,408)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 354,349
<NUMBER-OF-SHARES-REDEEMED> (35,078)
<SHARES-REINVESTED> 10,606
<NET-CHANGE-IN-ASSETS> 25,684,860
<ACCUMULATED-NII-PRIOR> 45,300
<ACCUMULATED-GAINS-PRIOR> 483,487
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 245,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 753,627
<AVERAGE-NET-ASSETS> 74,855,000
<PER-SHARE-NAV-BEGIN> 25.380
<PER-SHARE-NII> 0.050
<PER-SHARE-GAIN-APPREC> 1.810
<PER-SHARE-DIVIDEND> (0.080)
<PER-SHARE-DISTRIBUTIONS> (0.940)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 26.220
<EXPENSE-RATIO> 1.250
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 25
<NAME> MAINSTAY MAP EQUITY FUND - CLASS B
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> OTHER
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JUN-09-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 64,566,870
<INVESTMENTS-AT-VALUE> 86,658,500
<RECEIVABLES> 283,299
<ASSETS-OTHER> 22,412
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 86,964,211
<PAYABLE-FOR-SECURITIES> 720,032
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 145,076
<TOTAL-LIABILITIES> 865,108
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 62,907,682
<SHARES-COMMON-STOCK> 440,249
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,099,791
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 22,091,630
<NET-ASSETS> 86,099,103
<DIVIDEND-INCOME> 760,892
<INTEREST-INCOME> 187,056
<OTHER-INCOME> 0
<EXPENSES-NET> (687,673)
<NET-INVESTMENT-INCOME> 260,275
<REALIZED-GAINS-CURRENT> 4,098,524
<APPREC-INCREASE-CURRENT> 4,226,445
<NET-CHANGE-FROM-OPS> 8,585,244
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (1,837)
<DISTRIBUTIONS-OF-GAINS> (381,844)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 436,609
<NUMBER-OF-SHARES-REDEEMED> (11,072)
<SHARES-REINVESTED> 14,712
<NET-CHANGE-IN-ASSETS> 25,684,860
<ACCUMULATED-NII-PRIOR> 45,300
<ACCUMULATED-GAINS-PRIOR> 483,487
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 245,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 753,627
<AVERAGE-NET-ASSETS> 74,855,000
<PER-SHARE-NAV-BEGIN> 25.380
<PER-SHARE-NII> 0.020
<PER-SHARE-GAIN-APPREC> 1.760
<PER-SHARE-DIVIDEND> (0.070)
<PER-SHARE-DISTRIBUTIONS> (0.940)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 26.150
<EXPENSE-RATIO> 2.00
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 25
<NAME> MAINSTAY MAP EQUITY FUND - CLASS C
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> OTHER
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JUN-09-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 64,566,870
<INVESTMENTS-AT-VALUE> 86,658,500
<RECEIVABLES> 283,299
<ASSETS-OTHER> 22,412
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 86,964,211
<PAYABLE-FOR-SECURITIES> 720,032
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 145,076
<TOTAL-LIABILITIES> 865,108
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 62,907,682
<SHARES-COMMON-STOCK> 94,785
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,099,791
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 22,091,630
<NET-ASSETS> 86,099,103
<DIVIDEND-INCOME> 760,892
<INTEREST-INCOME> 187,056
<OTHER-INCOME> 0
<EXPENSES-NET> (687,673)
<NET-INVESTMENT-INCOME> 260,275
<REALIZED-GAINS-CURRENT> 4,098,524
<APPREC-INCREASE-CURRENT> 4,226,445
<NET-CHANGE-FROM-OPS> 8,585,244
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (222)
<DISTRIBUTIONS-OF-GAINS> (81,020)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 92,686
<NUMBER-OF-SHARES-REDEEMED> (1,098)
<SHARES-REINVESTED> 3,197
<NET-CHANGE-IN-ASSETS> 25,684,860
<ACCUMULATED-NII-PRIOR> 45,300
<ACCUMULATED-GAINS-PRIOR> 483,487
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 245,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 753,627
<AVERAGE-NET-ASSETS> 74,855,000
<PER-SHARE-NAV-BEGIN> 25.380
<PER-SHARE-NII> 0.020
<PER-SHARE-GAIN-APPREC> 1.760
<PER-SHARE-DIVIDEND> (0.070)
<PER-SHARE-DISTRIBUTIONS> (0.940)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 26.150
<EXPENSE-RATIO> 2.00
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000787441
<NAME> MAINSTAY FUNDS INC.
<SERIES>
<NUMBER> 25
<NAME> MAINSTAY MAP EQUITY FUND - CLASS I
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 64,566,870
<INVESTMENTS-AT-VALUE> 86,658,500
<RECEIVABLES> 283,299
<ASSETS-OTHER> 22,412
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 86,964,211
<PAYABLE-FOR-SECURITIES> 720,032
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 145,076
<TOTAL-LIABILITIES> 865,108
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 62,907,682
<SHARES-COMMON-STOCK> 2,417,670
<SHARES-COMMON-PRIOR> 2,457,556
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,099,791
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 22,091,630
<NET-ASSETS> 86,099,103
<DIVIDEND-INCOME> 760,892
<INTEREST-INCOME> 187,056
<OTHER-INCOME> 0
<EXPENSES-NET> (687,673)
<NET-INVESTMENT-INCOME> 260,275
<REALIZED-GAINS-CURRENT> 4,098,524
<APPREC-INCREASE-CURRENT> 4,226,445
<NET-CHANGE-FROM-OPS> 8,585,244
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (269,185)
<DISTRIBUTIONS-OF-GAINS> (2,719,235)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 551,238
<NUMBER-OF-SHARES-REDEEMED> (701,360)
<SHARES-REINVESTED> 110,236
<NET-CHANGE-IN-ASSETS> 25,684,860
<ACCUMULATED-NII-PRIOR> 45,300
<ACCUMULATED-GAINS-PRIOR> 483,487
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 245,000
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 753,627
<AVERAGE-NET-ASSETS> 74,855,000
<PER-SHARE-NAV-BEGIN> 24.580
<PER-SHARE-NII> 0.110
<PER-SHARE-GAIN-APPREC> 2.810
<PER-SHARE-DIVIDEND> (0.110)
<PER-SHARE-DISTRIBUTIONS> (1.140)
<RETURNS-OF-CAPITAL> 0.000
<PER-SHARE-NAV-END> 26.250
<EXPENSE-RATIO> 0.880
</TABLE>