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Previous: FIDELITY SELECT PORTFOLIOS, 13F-NT, 1999-05-05 |
Next: CALCASIEU REAL ESTATE & OIL CO INC, 10-Q, 1999-05-05 |
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F
FORM 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: March 31, 1999
Check here if Amendment [ ] Amendment Number:
This Amendment (Check only one.) [ ] is restatement.
[ ] adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: J. & W. Seligman & Co. Incorporated
Address: 100 Park Avenue
New York, NY 10017
13F File Number:28-861
The institutional investment manager filing this report and the
person by whom it is signed hereby represent that the person
signing the report is authorized to submit it, that all
information contained herein is true, correct and complete, and
that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of
this form.
Person Signing this Report on Behalf of reporting Manager:
Name: Brian T. Zino
Title: President
Phone: 212-850-1864
Signature, Placce, and Date of Signing:
Brian T. Zino New York, New York March 29, 1999
Report Type (Check only one.):
[ ] 13F HOLDINGS REPORT.
[ ] 13F NOTICE.
[X] 13F COMBINATION REPORT.
List of Other Managers Reporting for this Manager:
I AM SIGNING THIS REPORT AS REQUIRED BY THE SECUTIRIES EXCHANGE
ACT OF 1934.
<PAGE>
FORM 13F SUMMARY PAGE
Report Summary:
Number of Other Included Managers: 1
Form 13F Information Table Entry Total: 569
Form 13F Information Table Value Total: $20,395,407,939
List of Other Included Managers:
No. 13F File Number Name
01 28-3314 Seligman Henderson Co.
<PAGE>
<TABLE>
<CAPTION>
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 1
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
ABC-NACO INC COMMON 000752105 7,356,083 582,660 X 582,660
590,093 46,740 X 46,740
A D C TELECOMMUNICATIONS COMMON 000886101 34,516,213 723,800 X 723,800
200,288 4,200 X 4,200
AFLAC INC COMMON 001055102 11,486,313 211,000 X 211,000
213,395 3,920 X 3,920
AES CORP COMMON 00130H105 42,252,675 1,134,300 X 1,134,300
1,289,036 34,605 X 34,605
1,989,150 53,400 X 53,400
AT&T CORP COMMON 001957109 162,099,188 2,031,000 X 2,031,000
423,006 5,300 X 5,300
AT&T CORP - LIBERTY MEDIA COMMON 001957208 86,799,537 1,650,500 X 1,650,500
642,648 12,220 X 12,220
AVX CORP NEW COMMON 002444107 31,480,000 1,967,500 X 1,967,500
4,823,024 301,439 X 301,439
ABACUS DIRECT CORP COMMON 002553105 31,537,200 384,600 X 384,600
5,685,470 69,335 X 69,335
ABBOTT LABS COMMON 002824100 67,438,088 1,440,600 X 1,440,600
ABERCROMBIE & FITCH CO COMMON 002896207 8,185,804 88,735 X 88,735
616,230 6,680 X 6,680
ACCLAIM ENTMT INC COMMON 004325205 28,743,000 3,216,000 X 3,216,000
147,469 16,500 X 16,500
ACNIELSEN CORP COMMON 004833109 6,385,225 235,400 X 235,400
1,693,278 62,425 X 62,425
ACORN PRODS INC COMMON 004857108 3,369,686 641,845 X 641,845
179,996 34,285 X 34,285
ACTIVISION INC NEW COMMON 004930202 25,064,325 2,025,400 X 2,025,400
91,575 7,400 X 7,400
ACTIVISION INC. CONVERT 004930AA1 9,117,031 10,375,000 X 10,375,000
ACXIOM CORP COMMON 005125109 5,228,450 197,300 X 197,300
119,250 4,500 X 4,500
ADAPTEC INC COMMON 00651F108 47,351,906 2,075,700 X 2,075,700
241,813 10,600 X 10,600
Total 627,356,442
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 2
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
ADFLEX SOLUTIONS INC COMMON 006866107 1,256,956 427,900 X 427,900
6,169 2,100 X 2,100
ADVENT SOFTWARE INC COMMON 007974108 870,000 17,400 X 17,400
5,000 100 X 100
AFFILIATED COMPUTER SERVICES COMMON 008190100 34,312,500 750,000 X 750,000
6,609,411 144,468 X 144,468
AFFILIATED MANAGERS GROUP COMMON 008252108 16,549,000 636,500 X 636,500
2,665,104 102,504 X 102,504
ELECTROLUX AB COMMON 010198208 67,940 1,720 X 1,720
660,322 16,717 X 16,717
ALCOA INC COMMON 013817101 27,933,363 678,200 X 678,200
ALLIEDSIGNAL INC COMMON 019512102 106,997,569 2,175,300 X 2,175,300
ALLIED WASTE INDS INC COMMON 019589308 15,230,119 1,054,900 X 1,054,900
2,461,132 170,468 X 170,468
ALLIED ZURICH PLC COMMON 01959Q101 46,265 1,715 X 1,715
491,756 18,229 X 18,229
ALLSTATE CORP COMMON 020002101 51,572,469 1,391,500 X 1,391,500
ALLTEL CORP COMMON 020039103 37,425 600 X 600
ALZA CORP DEL COMMON 022615108 8,227,575 215,100 X 215,100
1,023,188 26,750 X 26,750
AMERICA ONLINE INC DEL COMMON 02364J104 3,777,900 25,700 X 25,700
AMERICAN CAPITAL STRATEGIES COMMON 024937104 5,442,325 317,800 X 317,800
37,675 2,200 X 2,200
AMERICAN GENERAL CORP COMMON 026351106 92,940,150 1,318,300 X 1,318,300
AMERICAN HOME PRODS CORP COMMON 026609107 134,950,050 2,068,200 X 2,068,200
915,914 14,037 X 14,037
1,592,100 24,400 X 24,400
AMERICAN HOMESTAR CORP COMMON 026651109 6,895,227 942,937 X 942,937
42,961 5,875 X 5,875
AMERICAN INSD MTG INVESTORS COMMON 026862102 38,438 15,000 X 15,000
AMERICAN INTL GROUP INC COMMON 026874107 101,932,106 845,033 X 845,033
Total 625,588,105
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 3
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
1,432,543 11,876 X 11,876
1,942,063 16,100 X 16,100
AMERICAN MGMT SYS INC COMMON 027352103 9,391,200 275,200 X 275,200
4,221,263 123,700 X 123,700
AMERICAN PWR CONVERSION CORP COMMON 029066107 66,816,900 2,474,700 X 2,474,700
1,916,055 70,965 X 70,965
AMERICAN TOWER SYSTEMS-CL A COMMON 029912201 41,062,000 1,676,000 X 1,676,000
296,450 12,100 X 12,100
AMERISOURCE HEALTH CORP COMMON 03071P102 1,764,075 51,600 X 51,600
1,054,001 30,830 X 30,830
AMERITECH CORP NEW COMMON 030954101 81,228,200 1,409,600 X 1,409,600
AMKOR TECHNOLOGIES INC COMMON 031652100 76,041,000 9,656,000 X 9,656,000
341,775 43,400 X 43,400
AMSURG CORP-CL A COMMON 03232P108 1,260,000 180,000 X 180,000
ANADARKO PETE CORP COMMON 032511107 10,800,275 286,100 X 286,100
214,609 5,685 X 5,685
ANADIGICS INC COMMON 032515108 16,793,100 952,800 X 952,800
3,948,159 224,009 X 224,009
ANALOG DEVICES INC COMMON 032654105 10,644,550 357,800 X 357,800
77,350 2,600 X 2,600
ANHEUSER BUSCH COS INC COMMON 035229103 57,702,750 758,000 X 758,000
ANICOM INC COMMON 035250109 7,723,625 882,700 X 882,700
1,798,948 205,594 X 205,594
ANTEC CORP COMMON 03664P105 44,575,950 2,073,300 X 2,073,300
8,384,506 389,977 X 389,977
APARTMENT INVESTMENT AND MANAGEMECONVERT 03748R606 X
APOGEE ENTERPRISES INC COMMON 037598109 7,289,884 613,885 X 613,885
352,272 29,665 X 29,665
APOLLO GROUP INC COMMON 037604105 10,647,450 356,400 X 356,400
213,308 7,140 X 7,140
APPLIED GRAPHICS TECHNOLOGIES COMMON 037937109 8,596,500 1,146,200 X 1,146,200
1,425,113 190,015 X 190,015
Total 479,955,870
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 4
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
APEX PC SOLUTIONS INC COMMON 037945102 34,980,338 2,509,800 X 2,509,800
144,253 10,350 X 10,350
APPLIED EXTRUSION TECHNOLOGIES COMMON 038196101 3,331,746 683,435 X 683,435
118,243 24,255 X 24,255
APPLIED MATLS INC COMMON 038222105 51,064,913 827,800 X 827,800
265,256 4,300 X 4,300
APPLIED PWR INC COMMON 038225108 21,437,575 786,700 X 786,700
1,827,113 67,050 X 67,050
ARMSTRONG WORLD INDS INC COMMON 042476101 52,450,713 1,160,735 X 1,160,735
17,800,712 393,930 X 393,930
ASPECT TELECOMMUNICATIONS CORP COMMON 045237104 10,160,763 1,533,700 X 1,533,700
48,363 7,300 X 7,300
AT HOME CORP COMMON 045919107 1,165,500 7,400 X 7,400
31,500 200 X 200
ASTRA AB COMMON 046298105 26,608 1,160 X 1,160
496,368 21,640 X 21,640
ASYST TECHNOLOGY CORP COMMON 04648X107 12,853,500 934,800 X 934,800
66,000 4,800 X 4,800
ATLANTIC RICHFIELD CO COMMON 048825103 1,755,000 24,000 X 24,000
AURORA FOODS INC/DE COMMON 05164B106 247,263 15,100 X 15,100
34,388 2,100 X 2,100
AUTODESK INC COMMON 052769106 177,460,131 4,388,504 X 4,388,504
837,056 20,700 X 20,700
AUTOZONE INC COMMON 053332102 2,642,625 87,000 X 87,000
1,919,396 63,190 X 63,190
AVADO BRANDS INC COMMON 05336P108 1,720,272 289,730 X 289,730
97,108 16,355 X 16,355
AVANT CORP COMMON 053487104 43,450,225 2,447,900 X 2,447,900
5,553,656 312,882 X 312,882
AVONDALE INDS INC COMMON 054350103 5,118,545 173,510 X 173,510
375,683 12,735 X 12,735
AXA-UAP COMMON 054536107 86,788 1,310 X 1,310
Total 449,567,594
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 5
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
906,433 13,682 X 13,682
BJS WHOLESALE CLUB INC COMMON 05548J106 2,768,075 105,200 X 105,200
1,848,716 70,260 X 70,260
BMC INDS INC MINN COMMON 055607105 1,819,486 410,025 X 410,025
157,775 35,555 X 35,555
BP AMOCO PLC - SPONS ADR COMMON 055622104 96,002,823 950,523 X 950,523
BMC SOFTWARE INC COMMON 055921100 38,493,113 1,038,600 X 1,038,600
200,138 5,400 X 5,400
BWAY CORP COMMON 056039100 4,673,584 354,395 X 354,395
267,508 20,285 X 20,285
BACOU USA INC COMMON 056439102 7,738,500 589,600 X 589,600
2,952,692 224,967 X 224,967
BANK OF NEW YORK CO INC. COMMON 064057102 210,228,445 5,849,835 X 5,849,835
30,549,211 850,065 X 850,065
BANK TOKYO-MITSUBISHI LTD COMMON 065379109 44,100 3,150 X 3,150
443,072 31,648 X 31,648
BANK UTD CORP COMMON 065412108 6,437,199 157,485 X 157,485
454,734 11,125 X 11,125
BANKAMERICA CORP COMMON 06605F102 164,090,139 2,323,400 X 2,323,400
31,230,304 442,199 X 442,199
BARR LABS INC COMMON 068306109 27,931,900 915,800 X 915,800
6,049,706 198,351 X 198,351
BARRETT RES CORP COMMON 068480201 3,934,813 157,000 X 157,000
1,180,820 47,115 X 47,115
BAXTER INTL INC COMMON 071813109 140,482,980 2,128,530 X 2,128,530
31,464,840 476,740 X 476,740
462,000 7,000 X 7,000
BAY VIEW CAP CORP DEL COMMON 07262L101 6,217,048 329,380 X 329,380
404,303 21,420 X 21,420
BAYER A G COMMON 072730302 42,331 1,130 X 1,130
463,055 12,361 X 12,361
BAYERISCHE HYPO-UND VER-ADR COMMON 072761208 69,079 1,155 X 1,155
722,787 12,085 X 12,085
Total 820,731,707
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 6
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
BERKLEY W R CORP COMMON 084423102 3,867,815 157,870 X 157,870
182,158 7,435 X 7,435
BESTFOODS COMMON 08658U101 1,724,900 36,700 X 36,700
340,139 7,237 X 7,237
564,000 12,000 X 12,000
BEYOND.COM CORPORATION COMMON 08860E101 3,171,306 121,100 X 121,100
15,713 600 X 600
BIOGEN INC COMMON 090597105 12,825,863 112,200 X 112,200
4,675,381 40,900 X 40,900
BOEING CO COMMON 097023105 10,200 300 X 300
BOSTON SCIENTIFIC CORP COMMON 101137107 4,826,250 118,800 X 118,800
130,000 3,200 X 3,200
BRISTOL MYERS SQUIBB CO COMMON 110122108 243,014,320 3,789,697 X 3,789,697
35,943,858 560,528 X 560,528
2,795,850 43,600 X 43,600
BRITISH AWYS PLC COMMON 110419306 6,863 100 X 100
BRITISH AMERICAN TOBACCO COMMON 110448107 42,632 2,385 X 2,385
421,296 23,569 X 23,569
BRITISH TELECOMMUNICATIONS PLC COMMON 111021408 58,287 355 X 355
591,568 3,603 X 3,603
BTR SIEBE PLC COMMON 11776R109 79,631 8,945 X 8,945
806,419 90,585 X 90,585
BURR BROWN CORP COMMON 122574106 80,311,791 3,417,523 X 3,417,523
12,752,416 542,656 X 542,656
CBS CORP COMMON 12490K107 204,862,425 5,019,600 X 5,019,600
865,225 21,200 X 21,200
C-CUBE MICROSYSTEMS INC COMMON 125015107 69,098,075 3,487,600 X 3,487,600
317,000 16,000 X 16,000
CMP MEDIA INC COMMON 125891101 6,617,400 215,200 X 215,200
CNF TRANSN INC COMMON 12612W104 6,363,844 168,300 X 168,300
173,938 4,600 X 4,600
CABLE & WIRELESS PLC-SP ADR COMMON 126830207 52,082 1,410 X 1,410
Total 697,508,642
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 7
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
545,013 14,755 X 14,755
CABLEVISION SYS CORP COMMON 12686C109 61,508,925 829,800 X 829,800
311,325 4,200 X 4,200
CABOT OIL & GAS CORP COMMON 127097103 7,966,613 551,800 X 551,800
60,638 4,200 X 4,200
CADENCE DESIGN SYSTEM INC COMMON 127387108 78,970,100 3,066,800 X 3,066,800
345,050 13,400 X 13,400
CADMUS COMMUNICATIONS CORP COMMON 127587103 6,605,241 459,495 X 459,495
400,703 27,875 X 27,875
CALPINE CORP COMMON 131347106 57,152,219 1,568,500 X 1,568,500
13,131,856 360,394 X 360,394
CAMPBELL SOUP CO COMMON 134429109 47,482,313 1,167,000 X 1,167,000
CANDESCENT TECHNOLOGY CORP CONVERT 137392AA4 2,550,000 3,000,000 X 3,000,000
CANON INC COMMON 138006309 66,969 2,805 X 2,805
682,037 28,567 X 28,567
CAPITAL ONE FINL CORP COMMON 14040H105 5,677,600 37,600 X 37,600
111,740 740 X 740
CAPITAL SR LIVING CORP COMMON 140475104 8,016,291 1,135,050 X 1,135,050
2,275,686 322,221 X 322,221
CAPSTAR COMMUNICATIONS INC CONVERT 14066Q203 7,127,556 59,273 X 59,273
CARDINAL HEALTH INC COMMON 14149Y108 2,415,666 36,601 X 36,601
440,484 6,674 X 6,674
792,000 12,000 X 12,000
CAREER EDUCATION CORP COMMON 141665109 12,447,688 359,500 X 359,500
100,413 2,900 X 2,900
CAREY INTERNATIONAL INC COMMON 141750109 7,743,125 476,500 X 476,500
323,375 19,900 X 19,900
CARRIAGE SVCS INC COMMON 143905107 18,576,525 1,228,200 X 1,228,200
2,125,819 140,550 X 140,550
CASELLA WASTE SYS INC COMMON 147448104 24,807,469 1,099,500 X 1,099,500
5,150,635 228,283 X 228,283
CASEYS GEN STORES INC COMMON 147528103 27,161,093 1,841,430 X 1,841,430
Total 403,072,163
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 8
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
7,496,614 508,245 X 508,245
CATALINA MARKETING CORP COMMON 148867104 927,450 10,800 X 10,800
2,421,675 28,200 X 28,200
CENDANT CORP COMMON 151313103 18,806,266 1,180,001 X 1,180,001
759,263 47,640 X 47,640
1,354,688 85,000 X 85,000
CENTURY TEL ENTERPRISES INC COMMON 156686107 17,889,163 254,650 X 254,650
3,329,218 47,391 X 47,391
CEPHALON INC COMMON 156708109 5,556,250 635,000 X 635,000
271,381 31,015 X 31,015
CERIDIAN CORP COMMON 15677T106 9,828,000 268,800 X 268,800
3,383,128 92,530 X 92,530
CHAMPION INTL CORP COMMON 158525105 85,063,227 2,071,555 X 2,071,555
31,012,248 755,245 X 755,245
CHANCELLOR MEDIA CORP COMMON 158915108 263,508,863 5,591,700 X 5,591,700
1,892,304 40,155 X 40,155
838,825 17,800 X 17,800
CONVERT 158915306 251,038 1,900 X 1,900
158915405 26,649,600 277,600 X 277,600
CHINA TELECOM HK LTD-SP ADR COMMON 169428109 23,863 715 X 715
261,994 7,850 X 7,850
CHIREX INC COMMON 170038103 11,084,413 452,425 X 452,425
865,708 35,335 X 35,335
CHOICEPOINT INC COMMON 170388102 2,004,975 40,200 X 40,200
1,510,464 30,285 X 30,285
CHUBB CORP COMMON 171232101 47,183,806 805,700 X 805,700
CINCINNATI BELL INC COMMON 171870108 350,025 15,600 X 15,600
960,662 42,815 X 42,815
CIRCUIT CITY STORE INC COMMON 172737108 11,171,925 145,800 X 145,800
321,825 4,200 X 4,200
CISCO SYS INC COMMON 17275R102 98,970,545 903,325 X 903,325
1,724,295 15,738 X 15,738
2,508,981 22,900 X 22,900
CINTAS CORP COMMON 172908105 3,151,075 48,200 X 48,200
Total 663,333,754
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 9
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
67,663 1,035 X 1,035
CITIGROUP INC COMMON 172967101 220,476,763 3,451,691 X 3,451,691
37,903,042 593,394 X 593,394
CITRIX SYS INC COMMON 177376100 39,577,563 1,038,100 X 1,038,100
205,875 5,400 X 5,400
CLAYTON HOMES INC COMMON 184190106 1,411,852 127,625 X 127,625
949,306 85,813 X 85,813
CLEAR CHANNEL COMMUNICATIONS COMMON 184502102 149,857,863 2,234,600 X 2,234,600
1,073,000 16,000 X 16,000
523,088 7,800 X 7,800
CLOROX CO DEL COMMON 189054109 5,742 49 X 49
COACH USA INC COMMON 18975L106 29,139,000 1,059,600 X 1,059,600
4,613,263 167,755 X 167,755
COCA COLA CO COMMON 191216100 58,171,225 947,800 X 947,800
COCA COLA ENTERPRISES INC COMMON 191219104 9,247,425 305,700 X 305,700
617,705 20,420 X 20,420
1,107,150 36,600 X 36,600
COGNEX CORP COMMON 192422103 126,904,976 5,357,466 X 5,357,466
12,503,518 527,853 X 527,853
COLGATE PALMOLIVE CO COMMON 194162103 6,292,800 68,400 X 68,400
708,124 7,697 X 7,697
1,260,400 13,700 X 13,700
COMCAST CORP -CL A COMMON 200300101 12,736,650 207,100 X 207,100
1,241,070 20,180 X 20,180
2,140,200 34,800 X 34,800
COMDISCO INC COMMON 200336105 97,440,200 5,451,200 X 5,451,200
1,987,879 111,210 X 111,210
COMMERCE BANCORP INC NJ COMMON 200519106 10,595,619 256,864 X 256,864
1,818,640 44,088 X 44,088
COMPAQ COMPUTER CORP COMMON 204493100 3,960,938 125,000 X 125,000
COMPLETE BUSINESS SOLUTIONS COMMON 20452F107 12,145,913 618,900 X 618,900
51,025 2,600 X 2,600
COMPUWARE CORP COMMON 205638109 77,443,338 3,243,700 X 3,243,700
Total 924,178,812
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 10
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
1,183,054 49,552 X 49,552
1,523,225 63,800 X 63,800
CONAGRA INC COMMON 205887102 96,877,875 3,780,600 X 3,780,600
512,500 20,000 X 20,000
884,063 34,500 X 34,500
CONVERGYS CORP COMMON 212485106 2,897,550 169,200 X 169,200
1,743,496 101,810 X 101,810
COPART INC COMMON 217204106 6,032,025 290,700 X 290,700
64,325 3,100 X 3,100
CORN PRODS INTL INC COMMON 219023108 2,394 100 X 100
CORNELL CORRECTIONS INC COMMON 219141108 10,750,250 614,300 X 614,300
2,914,555 166,546 X 166,546
CORNING INC COMMON 219350105 930,000 15,500 X 15,500
24,000 400 X 400
CORPORATE EXPRESS INC COMMON 219888104 3,380,175 651,600 X 651,600
3,356,354 647,008 X 647,008
ARGENTARIA COMMON 219913100 104,191 2,165 X 2,165
1,038,538 21,580 X 21,580
CORRECTIONAL PROPERTIES TRST COMMON 22025E104 14,361,000 957,400 X 957,400
3,852,570 256,838 X 256,838
COVANCE INC COMMON 222816100 51,012,213 2,035,400 X 2,035,400
12,116,015 483,432 X 483,432
COX RADIO INC COMMON 224051102 16,384,625 319,700 X 319,700
1,412,963 27,570 X 27,570
CREDENCE SYS CORP COMMON 225302108 63,739,025 2,973,249 X 2,973,249
5,639,220 263,054 X 263,054
CROSS TIMBERS OIL CO COMMON 227573102 9,390,109 1,329,573 X 1,329,573
2,252,471 318,934 X 318,934
CROWN CORK & SEAL INC COMMON 228255105 53,786,329 1,883,110 X 1,883,110
18,427,954 645,180 X 645,180
CRUSADER HOLDING CORP COMMON 228840104 1,140,563 115,500 X 115,500
4,148 420 X 420
CUBIC CORP COMMON 229669106 4,642,706 294,775 X 294,775
Total 392,380,479
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 11
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
331,144 21,025 X 21,025
CUMULUS MEDIA INC COMMON 231082108 8,417,700 716,400 X 716,400
2,120,934 180,505 X 180,505
CUTTER & BUCK INC COMMON 232217109 7,397,440 231,170 X 231,170
443,520 13,860 X 13,860
DII GROUP INC COMMON 232949107 56,774,250 1,941,000 X 1,941,000
190,125 6,500 X 6,500
DQE INC COMMON 23329J104 49,378,456 1,286,735 X 1,286,735
93,443 2,435 X 2,435
DST SYS INC DEL COMMON 233326107 4,414,594 73,500 X 73,500
DSP COMMUNICATIONS INC COMMON 23332K106 35,685,413 2,247,900 X 2,247,900
147,638 9,300 X 9,300
DAL-TILE INTL INC COMMON 23426R108 6,374,880 703,435 X 703,435
458,608 50,605 X 50,605
DALLAS SEMICONDUCTOR CORP COMMON 235204104 68,868,375 1,783,000 X 1,783,000
316,725 8,200 X 8,200
DAYTON HUDSON CORP COMMON 239753106 21,046,838 315,900 X 315,900
1,381,336 20,733 X 20,733
2,331,875 35,000 X 35,000
DELL COMPUTER CORP COMMON 247025109 21,998,925 538,200 X 538,200
DELUXE CORP COMMON 248019101 6,072,563 208,500 X 208,500
157,275 5,400 X 5,400
DENTSPLY INTL INC NEW COMMON 249030107 23,347,185 1,004,180 X 1,004,180
6,853,124 294,758 X 294,758
DEVRY INC DEL COMMON 251893103 19,685,200 678,800 X 678,800
5,356,445 184,705 X 184,705
DEXTER CORP COMMON 252165105 5,821,673 184,815 X 184,815
407,610 12,940 X 12,940
DIAL CORP NEW COMMON 25247D101 125,278,141 3,644,455 X 3,644,455
42,867,172 1,247,045 X 1,247,045
DIALOGIC CORP COMMON 252499108 5,689,928 186,555 X 186,555
404,430 13,260 X 13,260
DISNEY WALT CO COMMON 254687106 8,646,525 277,800 X 277,800
Total 538,759,485
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 12
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
496,288 15,945 X 15,945
1,101,825 35,400 X 35,400
DOLE FOOD INC COMMON 256605106 60,295,500 2,009,850 X 2,009,850
20,603,250 686,775 X 686,775
DOMINION RES INC VA COMMON 257470104 60,136,282 1,628,055 X 1,628,055
22,933,016 620,860 X 620,860
DU PONT E I DE NEMOURS & CO COMMON 263534109 45,104,402 776,825 X 776,825
97,661 1,682 X 1,682
DURA PHARMACEUTICALS INC COMMON 26632S109 14,675,875 1,039,000 X 1,039,000
2,548,079 180,395 X 180,395
ECI TELECOM LTD COMMON 268258100 82,250,000 2,350,000 X 2,350,000
388,500 11,100 X 11,100
EDP-ELECTRICIDADE DE PORTUGAL COMMON 268353109 52,025 1,315 X 1,315
512,849 12,963 X 12,963
E M C CORP MASS COMMON 268648102 154,104,825 1,206,300 X 1,206,300
651,525 5,100 X 5,100
ENSCO INTL INC COMMON 26874Q100 1,007,756 75,700 X 75,700
910,974 68,430 X 68,430
ETEC SYS INC COMMON 26922C103 30,556,125 1,038,000 X 1,038,000
156,019 5,300 X 5,300
EARTHLINK NETWORK INC COMMON 270322100 1,314,000 21,900 X 21,900
36,000 600 X 600
EDUTREK INTL INC COMMON 28164K108 3,799,125 552,600 X 552,600
28,875 4,200 X 4,200
ELAN PLC COMMON 284131208 93,814 1,345 X 1,345
911,981 13,075 X 13,075
ELECTRO SCIENTIFIC INDS COMMON 285229100 60,803,400 1,307,600 X 1,307,600
246,450 5,300 X 5,300
ELECTRONIC ARTS INC COMMON 285512109 204,069,500 4,296,200 X 4,296,200
3,578,413 75,335 X 75,335
ELECTRONIC DATA SYS NEW COMMON 285661104 77,663,866 1,595,150 X 1,595,150
ELECTRONICS FOR IMAGING INC COMMON 286082102 209,055,600 5,360,400 X 5,360,400
1,002,300 25,700 X 25,700
Total 1,061,186,099
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 13
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
ELF AQUITAINE COMMON 286269105 60,245 895 X 895
603,120 8,960 X 8,960
ENDESA -SPONSORED ADR COMMON 29258N107 49,004 1,970 X 1,970
474,665 19,082 X 19,082
ENRON CORP COMMON 293561106 15,252,950 237,400 X 237,400
ENRON OIL & GAS CO COMMON 293562104 2,394,000 144,000 X 144,000
548,791 33,010 X 33,010
EQUITABLE COS INC COMMON 29444G107 98,242,200 1,403,460 X 1,403,460
36,158,850 516,555 X 516,555
EQUITABLE RES INC COMMON 294549100 6,342,570 243,360 X 243,360
477,986 18,340 X 18,340
EVERGREEN MEDIA CORP CONVERT 300248408 11,730,650 122,200 X 122,200
EXXON CORP COMMON 302290101 120,212,039 1,703,625 X 1,703,625
110,430 1,565 X 1,565
FPL GROUP INC COMMON 302571104 133,125 2,500 X 2,500
FAIRCHILD CORP COMMON 303698104 7,190,338 705,800 X 705,800
2,251,142 220,971 X 220,971
FEDERAL HOME LN MTG CORP COMMON 313400301 2,865,625 50,000 X 50,000
532,433 9,290 X 9,290
951,388 16,600 X 16,600
FEDERAL NATL MTG ASSN COMMON 313586109 171,135,309 2,471,268 X 2,471,268
29,362,208 424,003 X 424,003
900,250 13,000 X 13,000
FIRST DATA CORP COMMON 319963104 44,353,125 1,037,500 X 1,037,500
226,575 5,300 X 5,300
FIRSTSERVICE CORP COMMON 33761N109 7,659,850 586,400 X 586,400
50,944 3,900 X 3,900
FISERV INC COMMON 337738108 1,413,019 26,350 X 26,350
3,339,229 62,270 X 62,270
FOODMAKER INC NEW COMMON 344839204 9,134,228 358,205 X 358,205
740,393 29,035 X 29,035
FORD MTR CO DEL COMMON 345370100 136,847,026 2,414,060 X 2,414,060
Total 711,743,705
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 14
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
30,098,342 530,952 X 530,952
FORRESTER RESH INC COMMON 346563109 1,819,463 59,900 X 59,900
18,225 600 X 600
FORT JAMES CORP COMMON 347471104 67,240,875 2,122,000 X 2,122,000
FORTUNE BRANDS INC COMMON 349631101 11,600,050 301,300 X 301,300
FOX ENTERTAINMENT GRP INC-A COMMON 35138T107 33,545,488 1,236,700 X 1,236,700
170,888 6,300 X 6,300
FREDS INC COMMON 356108100 3,702,380 336,580 X 336,580
269,830 24,530 X 24,530
FRIEDE GOLDMAN INTL INC COMMON 358430106 3,733,600 233,350 X 233,350
281,520 17,595 X 17,595
FRONTIER CORPORATION COMMON 35906P105 3,361,500 64,800 X 64,800
2,624,616 50,595 X 50,595
FURNITURE BRANDS INTL INC COMMON 360921100 5,912,906 267,250 X 267,250
542,394 24,515 X 24,515
FURON CO COMMON 361106107 5,473,001 433,505 X 433,505
308,997 24,475 X 24,475
G & K SVCS INC COMMON 361268105 7,745,644 167,700 X 167,700
2,494,033 53,998 X 53,998
GATX CORP COMMON 361448103 39,327,375 1,194,000 X 1,194,000
GKN PUB LTD COMMON 361755200 69,751 4,575 X 4,575
714,966 46,895 X 46,895
GTE CORP COMMON 362320103 105,961,515 1,751,430 X 1,751,430
125,538 2,075 X 2,075
GALILEO INTERNATIONAL INC COMMON 363547100 1,059,413 21,900 X 21,900
640,969 13,250 X 13,250
GANNETT INC COMMON 364730101 31,071,600 493,200 X 493,200
650,790 10,330 X 10,330
1,184,400 18,800 X 18,800
GARTNER GROUP INC COMMON 366651107 1,195,813 53,000 X 53,000
781,114 34,620 X 34,620
GENERAL DYNAMICS CORP COMMON 369550108 63,716,725 991,700 X 991,700
Total 427,443,716
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 15
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
186,325 2,900 X 2,900
GENERAL ELEC CO COMMON 369604103 326,669,873 2,952,948 X 2,952,948
43,818,009 396,095 X 396,095
5,254,688 47,500 X 47,500
GENERAL INSTRUMENT CORP COMMON 370120107 11,543,000 380,800 X 380,800
1,308,136 43,155 X 43,155
GENERAL MTRS CORP COMMON 370442105 89,065,989 1,023,747 X 1,023,747
32,420,463 372,649 X 372,649
GENERAL MOTORS CORP COMMON 370442832 15,131 300 X 300
GENERAL SEMICONDUCTOR INC COMMON 370787103 18,072,800 2,492,800 X 2,492,800
3,882,397 535,503 X 535,503
GENUINE PARTS CO COMMON 372460105 20,169 700 X 700
GEORGIA PAC CORP COMMON 373298108 101,212,403 1,363,130 X 1,363,130
38,309,733 515,956 X 515,956
GIANT CEMENT HLDG INC COMMON 374450104 5,479,805 318,825 X 318,825
322,781 18,780 X 18,780
GILLETTE CO COMMON 375766102 3,429,544 57,700 X 57,700
807,399 13,584 X 13,584
1,408,669 23,700 X 23,700
GLENAYRE TECHNOLOGIES INC COMMON 377899109 7,826,156 2,276,700 X 2,276,700
1,273,542 370,485 X 370,485
GOODRICH B F CO COMMON 382388106 63,455,136 1,849,330 X 1,849,330
23,058,858 672,025 X 672,025
GREAT PLAINS SOFTWARE INC. COMMON 39119E105 15,475,000 400,000 X 400,000
GULFSTREAM AEROSPACE CORP COMMON 402734107 4,359,188 100,500 X 100,500
3,484,748 80,340 X 80,340
HMT TECHNOLOGY CORP COMMON 403917107 1,922,550 549,300 X 549,300
665,301 190,086 X 190,086
HNC SOFTWARE INC COMMON 40425P107 57,210,975 1,746,900 X 1,746,900
887,525 27,100 X 27,100
HA-LO INDS INC COMMON 404429102 19,940,094 1,619,500 X 1,619,500
245,019 19,900 X 19,900
HADCO CORP COMMON 404681108 35,925,750 1,140,500 X 1,140,500
Total 918,957,153
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 16
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
182,700 5,800 X 5,800
HALLIBURTON CO COMMON 406216101 3,896,200 101,200 X 101,200
HANGER ORTHOPEDIC GROUP INC COMMON 41043F208 5,753,700 426,200 X 426,200
39,150 2,900 X 2,900
HARLEY DAVIDSON INC COMMON 412822108 29,427,638 512,900 X 512,900
3,855,485 67,198 X 67,198
1,824,525 31,800 X 31,800
HARMAN INTL INDS INC COMMON 413086109 4,711,350 128,200 X 128,200
312,191 8,495 X 8,495
HARRIS CORP DEL COMMON 413875105 8,072,250 282,000 X 282,000
HARTFORD FINL SVCS GROUP INC COMMON 416515104 17,759,588 312,600 X 312,600
HASBRO INC COMMON 418056107 17,363 600 X 600
HEALTH MGMT ASSOC INC NEW COMMON 421933102 4,951,781 406,300 X 406,300
39,000 3,200 X 3,200
HEALTHDYNE INC CONVERT 422203AA7 24,635 40,220 X 40,220
HELLENIC TELECOMMUN ORG-ADR COMMON 423325307 24,953 2,135 X 2,135
273,546 23,405 X 23,405
HERSHEY FOODS CORP COMMON 427866108 50,456 900 X 900
HEWLETT PACKARD CO COMMON 428236103 27,125 400 X 400
HOME DEPOT INC COMMON 437076102 5,976,000 96,000 X 96,000
HOUSEHOLD INTL INC COMMON 441815107 4,790,625 105,000 X 105,000
ICG COMMUNICATIONS INC COMMON 449246107 20,764,000 1,038,200 X 1,038,200
106,000 5,300 X 5,300
ISS GROUP INC COMMON 450306105 850,650 10,700 X 10,700
23,850 300 X 300
ITT EDUCATIONAL SERVICES INC COMMON 45068B109 50,701,863 1,349,800 X 1,349,800
9,417,294 250,710 X 250,710
IKON OFFICE SOLUTIONS INC COMMON 451713101 5,551,656 433,300 X 433,300
157,594 12,300 X 12,300
ILLINOIS TOOL WKS INC COMMON 452308109 11,867,625 191,800 X 191,800
Total 191,450,792
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 17
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
378,118 6,111 X 6,111
674,438 10,900 X 10,900
INAME INC PREFERRED CL C CONVERT 453993941 8,489,419 1,228,570 X 1,228,570
INDUS INTL INC COMMON 45578L100 3,396,019 765,300 X 765,300
22,188 5,000 X 5,000
INFINITY BROADCASTING CORP-A COMMON 45662S102 62,304,700 2,419,600 X 2,419,600
520,150 20,200 X 20,200
INFORMATION HOLDINGS INC COMMON 456727106 19,351,475 1,082,600 X 1,082,600
5,489,091 307,082 X 307,082
ING GROEP N V COMMON 456837103 117,127 2,132 X 2,132
1,218,349 22,177 X 22,177
INSO CORP COMMON 457674109 4,842,269 640,300 X 640,300
24,956 3,300 X 3,300
INSIGNIA FINANCIAL GROUP INC COMMON 45767A105 15,910,165 1,131,390 X 1,131,390
3,348,028 238,082 X 238,082
INTEGRATED ELECTRICAL SVCS COMMON 45811E103 5,030,400 314,400 X 314,400
41,600 2,600 X 2,600
INTEL CORP COMMON 458140100 173,450,513 1,459,100 X 1,459,100
1,751,385 14,733 X 14,733
3,804,000 32,000 X 32,000
INTERIM SVCS INC COMMON 45868P100 345,000 23,000 X 23,000
761,025 50,735 X 50,735
INTERNATIONAL BUSINESS MACHS COMMON 459200101 70,173,275 395,900 X 395,900
INTL PAPER CO COMMON 460146103 8,438 200 X 200
INTERPUBLIC GROUP COS INC COMMON 460690100 25,675,388 329,700 X 329,700
1,043,058 13,394 X 13,394
1,635,375 21,000 X 21,000
BANK OF IRELAND-SPONS ADR COMMON 46267Q103 76,359 905 X 905
767,813 9,100 X 9,100
IVEX PACKAGING CORP DEL COMMON 465855104 19,200,038 1,264,200 X 1,264,200
4,025,082 265,026 X 265,026
JABIL CIRCUIT INC COMMON 466313103 12,150,000 300,000 X 300,000
JOHNSON & JOHNSON COMMON 478160104 57,738,588 617,525 X 617,525
Total 503,763,825
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 18
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
147,730 1,580 X 1,580
JOURNAL REGISTER CO COMMON 481138105 8,095,200 674,600 X 674,600
68,400 5,700 X 5,700
KLA-TENCORP CORP COMMON 482480100 109,702,688 2,259,000 X 2,259,000
461,344 9,500 X 9,500
KEMET CORP COMMON 488360108 19,086,550 1,659,700 X 1,659,700
5,385,945 468,343 X 468,343
KENNAMETAL INC COMMON 489170100 10,575 600 X 600
KENT ELECTRS CORP COMMON 490553104 7,583,306 763,100 X 763,100
1,596,837 160,688 X 160,688
KEYSTONE AUTOMOTIVE INDS INC COMMON 49338N109 8,601,125 529,300 X 529,300
69,875 4,300 X 4,300
KIMBERLY CLARK CORP COMMON 494368103 74,900,378 1,562,459 X 1,562,459
24,136,148 503,492 X 503,492
KNIGHT RIDDER INC COMMON 499040103 5,500,000 110,000 X 110,000
KONIKKLIFKE PHILIPS EL-NY SH COMMON 500472105 79,964 970 X 970
858,587 10,415 X 10,415
KROGER CO COMMON 501044101 23,896,113 399,100 X 399,100
960,694 16,045 X 16,045
1,676,500 28,000 X 28,000
L-3 COMMUNICATIONS CORP COMMON 502424104 26,649,250 576,200 X 576,200
7,792,246 168,481 X 168,481
LADBROKE GROUP PLC COMMON 505727305 73,823 8,224 X 8,224
821,122 91,474 X 91,474
LAM RESH CORP COMMON 512807108 30,084,600 1,037,400 X 1,037,400
153,700 5,300 X 5,300
LAMSON & SESSIONS CO COMMON 513696104 3,574,799 724,010 X 724,010
287,313 58,190 X 58,190
LATTICE SEMICONDUCTOR CORP COMMON 518415104 126,210,403 2,770,050 X 2,770,050
5,462,351 119,887 X 119,887
LAUDER ESTEE COS INC COMMON 518439104 4,091,850 43,300 X 43,300
13,703 145 X 145
LEARNING CO INC COMMON 522008101 139,211,600 4,800,400 X 4,800,400
Total 637,244,719
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 19
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
615,960 21,240 X 21,240
LEVEL ONE COMMUNICATIONS INC COMMON 527295109 60,844,463 1,251,300 X 1,251,300
272,300 5,600 X 5,600
LEXMARK INTL GROUP INC COMMON 529771107 132,818,000 1,187,200 X 1,187,200
581,750 5,200 X 5,200
LILLY ELI & CO COMMON 532457108 5,550,825 65,400 X 65,400
1,317,175 15,519 X 15,519
1,867,250 22,000 X 22,000
LINCARE HLDGS INC COMMON 532791100 3,926,250 139,600 X 139,600
1,691,156 60,130 X 60,130
860,625 30,600 X 30,600
LINCOLN NATL CORP IND COMMON 534187109 22,276,538 225,300 X 225,300
LINEAR TECHNOLOGY CORP COMMON 535678106 3,515,750 68,600 X 68,600
2,019,250 39,400 X 39,400
LIZ CLAIBORNE INC COMMON 539320101 9,788 300 X 300
LOEHMANNS INC NEW COMMON 540417102 1,349,932 1,136,785 X 1,136,785
83,636 70,430 X 70,430
LOWES COS INC COMMON 548661107 23,419,550 387,100 X 387,100
874,225 14,450 X 14,450
1,536,700 25,400 X 25,400
LUCENT TECHNOLOGIES INC COMMON 549463107 53,848,800 498,600 X 498,600
1,245,024 11,528 X 11,528
1,835,352 16,994 X 16,994
MBNA CORP COMMON 55262L100 7,254,037 303,834 X 303,834
445,985 18,680 X 18,680
708,610 29,680 X 29,680
MCI WORLDCOM INC COMMON 55268B106 112,244,113 1,267,400 X 1,267,400
2,032,155 22,946 X 22,946
3,569,069 40,300 X 40,300
MMI COS INC COMMON 553087107 2,300,361 149,617 X 149,617
35,962 2,339 X 2,339
MSC INDL DIRECT INC COMMON 553530106 4,746,400 279,200 X 279,200
147,900 8,700 X 8,700
MAGYAR TAVKOZLESI RT COMMON 559776109 41,463 1,550 X 1,550
Total 455,886,352
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 20
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
450,791 16,852 X 16,852
MANNESMANN A G COMMON 563775303 146,233 1,145 X 1,145
1,497,457 11,725 X 11,725
MARINE DRILLING COS INC COMMON 568240204 7,809,813 709,983 X 709,983
469,975 42,725 X 42,725
MARKET FACTS INC COMMON 570559104 7,887,000 358,500 X 358,500
52,800 2,400 X 2,400
MASCO CORP COMMON 574599106 6,237,600 220,800 X 220,800
517,964 18,335 X 18,335
MAXIM INTEGRATED PRODS INC COMMON 57772K101 49,188,800 908,800 X 908,800
3,209,613 59,300 X 59,300
MAY DEPT STORES CO COMMON 577778103 64,849,688 1,657,500 X 1,657,500
MCDERMOTT INTL INC COMMON 580037109 10,545,188 416,600 X 416,600
70,875 2,800 X 2,800
MCDONALDS CORP COMMON 580135101 16,688,594 368,300 X 368,300
MEAD CORP COMMON 582834107 42,958,980 1,397,040 X 1,397,040
87,791 2,855 X 2,855
MEDIAONE GROUP INC COMMON 58440J104 164,493,438 2,593,000 X 2,593,000
824,688 13,000 X 13,000
MEDTRONIC INC COMMON 585055106 111,284,063 1,548,300 X 1,548,300
33,140,413 461,084 X 461,084
690,000 9,600 X 9,600
MELLON BK CORP COMMON 585509102 64,189,038 912,100 X 912,100
MEMBERWORKS INC COMMON 586002107 86,746,250 2,393,000 X 2,393,000
18,598,135 513,052 X 513,052
MENTOR GRAPHICS CORP COMMON 587200106 46,384,650 3,435,900 X 3,435,900
217,350 16,100 X 16,100
MERCK & CO INC COMMON 589331107 149,657,475 1,867,800 X 1,867,800
2,448,460 30,558 X 30,558
4,519,050 56,400 X 56,400
MERRILL CORP COMMON 590175105 5,262,795 393,480 X 393,480
265,427 19,845 X 19,845
METAMOR WORLDWIDE INC COMMON 59133P100 5,565,000 397,500 X 397,500
Total 906,955,390
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 21
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
2,154,320 153,880 X 153,880
METRIS COS INC COMMON 591598107 5,192,225 128,600 X 128,600
20,188 500 X 500
METROCALL INC COMMON 591647102 20,200 6,664 X 6,664
METZLER GROUP INC COMMON 592903108 458,075 14,600 X 14,600
811,828 25,875 X 25,875
MICROSOFT CORP COMMON 594918104 405,176,700 4,520,800 X 4,520,800
3,835,143 42,791 X 42,791
4,947,300 55,200 X 55,200
MICROCHIP TECHNOLOGY INC COMMON 595017104 185,042,925 5,344,200 X 5,344,200
13,479,963 389,313 X 389,313
MIDAMERICAN ENERGY HLDGS CO COMMON 59562V107 30,814,840 1,100,530 X 1,100,530
8,321,152 297,184 X 297,184
MINDSPRING ENTERPRISES INC COMMON 602683104 1,635,188 19,000 X 19,000
43,031 500 X 500
MINERALS TECHNOLOGIES INC COMMON 603158106 6,528,000 136,000 X 136,000
230,400 4,800 X 4,800
MOBIL CORP COMMON 607059102 73,013,600 829,700 X 829,700
MODIS PROFESSIONAL SERVICES INC COMMON 607830106 26,356,469 2,908,300 X 2,908,300
153,156 16,900 X 16,900
MOLEX INC COMMON 608554101 3,633,688 123,700 X 123,700
99,875 3,400 X 3,400
MORGAN J P & CO INC COMMON 616880100 47,197,106 382,550 X 382,550
MOTOROLA INC COMMON 620076109 49,582,925 676,900 X 676,900
197,775 2,700 X 2,700
MUELLER INDS INC COMMON 624756102 5,461,402 244,085 X 244,085
331,709 14,825 X 14,825
MUTUAL RISK MGMT LTD COMMON 628351108 10,837,211 281,486 X 281,486
3,811,731 99,006 X 99,006
NCR CORP NEW COMMON 62886E108 3,590,000 71,800 X 71,800
95,000 1,900 X 1,900
NATIONAL EQUIPMENT SERVICES COMMON 635847106 9,718,975 1,050,700 X 1,050,700
Total 902,792,100
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 22
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
2,650,042 286,491 X 286,491
NATIONAL INSTRS CORP COMMON 636518102 15,372,900 539,400 X 539,400
1,231,485 43,210 X 43,210
NATIONWIDE FINL SVCS INC COMMON 638612101 8,568,000 204,000 X 204,000
2,551,710 60,755 X 60,755
NEOMAGIC CORP COMMON 640497103 2,700,019 271,700 X 271,700
NETWORKS ASSOCS INC COMMON 640938106 13,085,150 426,400 X 426,400
779,156 25,390 X 25,390
1,153,850 37,600 X 37,600
NESTLE S A COMMON 641069406 69,944 770 X 770
683,904 7,529 X 7,529
NETWORK APPLIANCE INC COMMON 64120L104 12,884,063 254,500 X 254,500
NEWELL RUBBERMAID INC COMMON 651229106 53,660,750 1,129,700 X 1,129,700
1,662,453 34,999 X 34,999
2,417,750 50,900 X 50,900
NIPPON TELEG & TEL CORP COMMON 654624105 99,694 2,045 X 2,045
939,656 19,275 X 19,275
NOKIA CORP-SPONSORED ADR A COMMON 654902204 67,953,725 436,300 X 436,300
404,950 2,600 X 2,600
NOMURA SECS LTD JAPAN COMMON 655361301 5,235 50 X 50
NORFOLK SOUTHERN CORP COMMON 655844108 40,432,875 1,533,000 X 1,533,000
NORTHERN TELECOM LTD COMMON 665815106 X
NOVA CORP GA COMMON 669784100 40,859,739 1,556,562 X 1,556,562
5,740,403 218,682 X 218,682
NOVARTIS A G COMMON 66987V109 55,963 690 X 690
560,520 6,911 X 6,911
NOVELL INC COMMON 670006105 61,774,863 2,452,600 X 2,452,600
269,506 10,700 X 10,700
NOVELLUS SYS INC COMMON 670008101 86,209,988 1,563,900 X 1,563,900
418,950 7,600 X 7,600
NUCOR CORP COMMON 670346105 5,190,563 117,800 X 117,800
132,188 3,000 X 3,000
Total 430,519,990
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 23
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
OGE ENERGY CORP COMMON 670837103 195,572 8,668 X 8,668
OM GROUP INC COMMON 670872100 7,240,200 219,400 X 219,400
145,200 4,400 X 4,400
OAK INDS INC COMMON 671400505 70,719,315 2,227,380 X 2,227,380
11,823,922 372,407 X 372,407
OFFICE DEPOT INC COMMON 676220106 14,117,681 377,100 X 377,100
292,013 7,800 X 7,800
OLYMPIC STEEL INC COMMON 68162K106 5,205,214 743,602 X 743,602
247,275 35,325 X 35,325
OMNICARE INC COMMON 681904108 20,446,438 1,072,600 X 1,072,600
4,131,873 216,754 X 216,754
OUTBACK STEAKHOUSE INC COMMON 689899102 8,518,275 260,100 X 260,100
2,102,697 64,205 X 64,205
PMC-SIERRA INC COMMON 69344F106 25,990,556 365,100 X 365,100
4,675,239 65,675 X 65,675
PSS WORLD MEDICAL INC COMMON 69366A100 38,164,294 4,330,700 X 4,330,700
6,444,625 731,305 X 731,305
PACIFIC GATEWAY EXCHANGE INC COMMON 694327107 40,671,281 1,225,500 X 1,225,500
1,212,837 36,545 X 36,545
PACKAGED ICE INC COMMON 695148106 2,536,975 414,200 X 414,200
535,172 87,375 X 87,375
PARAMETRIC TECHNOLOGY CORP COMMON 699173100 118,450,625 5,997,500 X 5,997,500
2,854,764 144,545 X 144,545
PEGASUS COMMUNICATIONS CORP COMMON 705904100 2,800,000 100,000 X 100,000
705904308 4,892,900 4,330 X 4,330
PENINSULAR & ORIENTAL-SP ADR COMMON 707190401 55,223 1,890 X 1,890
576,281 19,723 X 19,723
PENNEY J C INC COMMON 708160106 50,747,310 1,253,020 X 1,253,020
15,989,805 394,810 X 394,810
PEPSICO INC COMMON 713448108 51,803,916 1,321,950 X 1,321,950
136,333 3,479 X 3,479
PERFORMANCE FOOD GROUP CO COMMON 713755106 17,934,000 683,200 X 683,200
Total 531,657,812
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 24
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
5,081,659 193,587 X 193,587
PERKIN ELMER CORP COMMON 714041100 12,133 125 X 125
PERSONNEL GROUP AMER INC COMMON 715338109 20,817,156 2,896,300 X 2,896,300
3,944,859 548,850 X 548,850
PHARMACIA & UPJOHN INC COMMON 716941109 59,817,625 959,000 X 959,000
PFIZER INC COMMON 717081103 91,172,625 657,100 X 657,100
1,930,845 13,916 X 13,916
2,816,625 20,300 X 20,300
PHARMACEUTICAL PROD DEV INC COMMON 717124101 45,634,931 1,359,700 X 1,359,700
9,520,406 283,662 X 283,662
PHILIP MORRIS COS INC COMMON 718154107 170,450,713 4,844,070 X 4,844,070
21,935,113 623,378 X 623,378
PHYSICIANS SPECIALTY CORP COMMON 718934102 1,576,800 233,600 X 233,600
30,375 4,500 X 4,500
PIER 1 IMPORTS INC COMMON 720279108 5,537,188 681,500 X 681,500
46,313 5,700 X 5,700
PITNEY BOWES INC COMMON 724479100 4,462,500 70,000 X 70,000
PITTSTON BAX GROUP COMMON 725701882 4,443,330 640,480 X 640,480
262,099 37,780 X 37,780
PLATINUM TECHNOLOGY INTL INC COMMON 72764T101 160,471,500 6,293,000 X 6,293,000
2,818,388 110,525 X 110,525
POGO PRODUCING CO COMMON 730448107 8,165,560 628,120 X 628,120
1,619,501 124,577 X 124,577
POLYCOM INC COMMON 73172K104 4,850,625 258,700 X 258,700
24,375 1,300 X 1,300
POLYMER GROUP INC COMMON 731745105 4,902,500 530,000 X 530,000
1,300,874 140,635 X 140,635
POWERWAVE TECHNOLOGIES INC COMMON 739363109 1,807,488 63,700 X 63,700
8,513 300 X 300
PRE PAID LEGAL SVCS INC COMMON 740065107 25,744,600 1,050,800 X 1,050,800
4,616,462 188,427 X 188,427
PREMIER PKS INC COMMON 740540208 100,846,925 2,707,300 X 2,707,300
Total 766,670,603
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 25
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
19,944,768 535,430 X 535,430
PRICE T ROWE & ASSOCIATES COMMON 741477103 450,313 13,100 X 13,100
1,306,594 38,010 X 38,010
PRIMARK CORP COMMON 741903108 41,220,750 1,939,800 X 1,939,800
7,491,071 352,521 X 352,521
PRISON REALTY CORP COMMON 74264N105 10,593,281 607,500 X 607,500
118,575 6,800 X 6,800
PRIORITY HEALTHCARE CORP COMMON 74264T102 452,500 10,000 X 10,000
PROCTER & GAMBLE CO COMMON 742718109 71,024,275 725,200 X 725,200
890,546 9,093 X 9,093
1,527,825 15,600 X 15,600
PROFESSIONAL DETAILING INC COMMON 74312N107 10,255,025 391,600 X 391,600
57,613 2,200 X 2,200
PROGRESSIVE CORP OHIO COMMON 743315103 373,100 2,600 X 2,600
PROVANT INC COMMON 743724106 11,397,100 637,600 X 637,600
53,625 3,000 X 3,000
PROVIDENT COS INC COMMON 743862104 6,445,906 186,500 X 186,500
1,612,513 46,655 X 46,655
PROVINCE HEALTHCARE CO COMMON 743977100 27,316,915 1,476,590 X 1,476,590
4,693,765 253,717 X 253,717
PSINET INC COMMON 74437C101 5,350,106 125,700 X 125,700
29,794 700 X 700
R.H. DONNELLEY CORP COMMON 74955W307 5,543,220 359,075 X 359,075
353,442 22,895 X 22,895
RJR NABISCO HOLDINGS CORP COMMON 74960K876 62,280,000 2,491,200 X 2,491,200
RWE AG COMMON 74975E303 40,499 915 X 915
393,487 8,890 X 8,890
RATIONAL SOFTWARE CORP COMMON 75409P202 51,501,450 1,920,800 X 1,920,800
214,500 8,000 X 8,000
RAYCHEM CORP DEL COMMON 754603108 52,995,590 2,348,835 X 2,348,835
18,067,824 800,790 X 800,790
RAYOVAC CORP COMMON 755081106 5,779,856 209,700 X 209,700
Total 419,775,827
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 26
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
4,045,899 146,790 X 146,790
RAYTHEON CO COMMON 755111309 26,185,236 453,424 X 453,424
755111408 84,555,717 1,442,315 X 1,442,315
65,074 1,110 X 1,110
RELIANT ENERGY INC COMMON 75952J108 18,113,438 695,000 X 695,000
RENEX CORP COMMON 759683105 2,800,325 658,900 X 658,900
14,875 3,500 X 3,500
RENAL CARE GROUP INC COMMON 759930100 10,195,188 519,500 X 519,500
1,746,134 88,975 X 88,975
RENT-A-CENTER INC COMMON 76009N100 12,241,750 425,800 X 425,800
2,968,006 103,235 X 103,235
RESORTQUEST INTL INC COMMON 761183102 6,956,800 434,800 X 434,800
44,800 2,800 X 2,800
REXALL SUNDOWN INC COMMON 761648104 6,953,550 362,400 X 362,400
55,644 2,900 X 2,900
RICHFOOD HLDGS INC COMMON 763408101 6,547,130 303,635 X 303,635
451,627 20,945 X 20,945
RITCHIE BROS. AUCTIONEERS COMMON 767744105 15,597,313 463,000 X 463,000
4,162,360 123,558 X 123,558
ROCHE HOLDINGS LTD COMMON 771195104 52,436 430 X 430
501,195 4,110 X 4,110
ROLLS-ROYCE PLC COMMON 775781206 44,657 2,090 X 2,090
388,028 18,160 X 18,160
ROSS STORES INC COMMON 778296103 503,844 11,500 X 11,500
1,102,980 25,175 X 25,175
ROYAL BANK OF CANADA COMMON 780087102 2,123 45 X 45
139,911 2,965 X 2,965
ROYAL DUTCH PETE CO COMMON 780257804 75,389,600 1,449,800 X 1,449,800
ROYAL OAK MINES INC COMMON 78051D105 560 2,561 X 2,561
ROYAL OAK MINES COMMON 78051D998 390 39,007 X 39,007
RUSSELL CORP COMMON 782352108 2,084,950 103,600 X 103,600
SBC COMMUNICATIONS INC COMMON 78387G103 77,590,406 1,644,300 X 1,644,300
Total 361,501,946
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 27
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
SCI SYS INC COMMON 783890106 68,661,863 2,317,700 X 2,317,700
308,100 10,400 X 10,400
SFX ENTERTAINMENT INC - CL A COMMON 784178105 626,256 9,700 X 9,700
1,378,732 21,355 X 21,355
SM&A CORPORATION COMMON 784432106 12,737,400 1,107,600 X 1,107,600
3,333,183 289,842 X 289,842
SPX CORP COMMON 784635104 6,960 138 X 138
ST PAUL CAP L L C CONVERT 792856205 4,591,125 79,500 X 79,500
ST PAUL COS INC COMMON 792860108 60,717,869 1,954,700 X 1,954,700
21,923,353 705,782 X 705,782
SANMINA CORP COMMON 800907107 92,061,375 1,444,100 X 1,444,100
9,910,575 155,460 X 155,460
SANTA FE ENERGY RES INC COMMON 802012104 7,396,388 1,002,900 X 1,002,900
55,313 7,500 X 7,500
SARA LEE CORP COMMON 803111103 66,973,005 2,705,980 X 2,705,980
124,864 5,045 X 5,045
SAVILLE SYSTEMS IREL-SP ADR COMMON 805174109 6,360,200 519,200 X 519,200
33,075 2,700 X 2,700
SCHEIN HENRY INC COMMON 806407102 9,481,375 375,500 X 375,500
1,881,605 74,519 X 74,519
SCHEIN PHARMACEUTICAL INC COMMON 806416103 7,696,000 592,000 X 592,000
1,297,790 99,830 X 99,830
SCHERING PLOUGH CORP COMMON 806605101 49,813,400 901,600 X 901,600
1,019,363 18,450 X 18,450
1,745,900 31,600 X 31,600
SCHLUMBERGER LTD COMMON 806857108 79,922,981 1,327,900 X 1,327,900
538,377 8,945 X 8,945
938,925 15,600 X 15,600
SCHULMAN A INC COMMON 808194104 1,445,136 106,065 X 106,065
74,597 5,475 X 5,475
SCHWAB CHARLES CORP NEW COMMON 808513105 7,545,813 78,500 X 78,500
SCHWEITZER-MAUDUIT INTL INC COMMON 808541106 8,050 700 X 700
Total 520,608,946
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 28
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
SEAGATE TECHNOLOGY COMMON 811804103 49,183,131 1,663,700 X 1,663,700
236,500 8,000 X 8,000
SEALED AIR CORP COMMON 81211K100 5,120,419 104,100 X 104,100
137,725 2,800 X 2,800
SEARS ROEBUCK & CO COMMON 812387108 68,697,653 1,520,280 X 1,520,280
25,926,509 573,754 X 573,754
SECURITY DYNAMICS TECHNOLOGIES COMMON 814208104 42,645,663 2,289,700 X 2,289,700
199,288 10,700 X 10,700
SERVICE CORP INTL COMMON 817565104 668,325 46,900 X 46,900
SHERWIN WILLIAMS CO COMMON 824348106 19,688 700 X 700
SINCLAIR BROADCAST GROUP INC COMMON 829226109 45,129,188 3,099,000 X 3,099,000
262,125 18,000 X 18,000
SMART MODULAR TECH INC COMMON 831690102 63,811,506 4,271,900 X 4,271,900
294,269 19,700 X 19,700
SNYDER COMMUNICATIONS INC COMMON 832914105 12,426,675 445,800 X 445,800
1,153,746 41,390 X 41,390
SOLA INTL INC COMMON 834092108 10,237,444 848,700 X 848,700
932,106 77,273 X 77,273
SOLECTRON CORP COMMON 834182107 1,835,663 37,800 X 37,800
48,563 1,000 X 1,000
SOMNUS MED TECHNOLOGIES INC COMMON 835397100 590,625 225,000 X 225,000
SONAT INC COMMON 835415100 62,226,000 2,074,200 X 2,074,200
SOUTHTRUST CORP COMMON 844730101 6,721,847 180,150 X 180,150
1,613,579 43,245 X 43,245
STAGE STORES INC COMMON 85254C107 5,186,469 715,375 X 715,375
171,825 23,700 X 23,700
STANLEY WKS COMMON 854616109 1,153,125 45,000 X 45,000
STATE STR CORP COMMON 857477103 57,575 700 X 700
STEINWAY MUSICAL INSTRS INC COMMON 858495104 2,103,375 94,800 X 94,800
42,156 1,900 X 1,900
STERLING COMM INC COMMON 859205106 1,645,125 53,500 X 53,500
Total 410,477,883
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 29
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
103,628 3,370 X 3,370
STEWART & STEVENSON SVCS INC COMMON 860342104 4,413,778 574,150 X 574,150
192,188 25,000 X 25,000
STEWART ENTERPRISES INC COMMON 860370105 17,597,657 1,095,574 X 1,095,574
5,392,021 335,690 X 335,690
STORAGE TECHNOLOGY CORP COMMON 862111200 114,805,975 4,118,600 X 4,118,600
518,475 18,600 X 18,600
STRUCTURAL DYNAMICS RESH CORP COMMON 863555108 113,427,594 5,950,300 X 5,950,300
9,134,350 479,179 X 479,179
SUMMIT BANCORP COMMON 866005101 98,463,885 2,524,715 X 2,524,715
30,496,986 781,974 X 781,974
SUN MICROSYSTEMS INC COMMON 866810104 25,962,975 207,600 X 207,600
137,569 1,100 X 1,100
SUNGARD DATA SYS INC COMMON 867363103 50,327,280 1,258,182 X 1,258,182
8,866,800 221,670 X 221,670
1,360,000 34,000 X 34,000
SUNRISE ASSISTED LIVING INC COMMON 86768K106 11,800,688 259,000 X 259,000
63,788 1,400 X 1,400
SUPERIOR SVCS INC COMMON 868316100 9,712,088 490,200 X 490,200
89,156 4,500 X 4,500
SYNOPSYS INC COMMON 871607107 167,162,500 3,110,000 X 3,110,000
3,146,794 58,545 X 58,545
TJX COS INC NEW COMMON 872540109 11,383,200 334,800 X 334,800
3,704,300 108,950 X 108,950
TANDY CORP COMMON 875382103 100,485,863 1,574,705 X 1,574,705
35,917,823 562,865 X 562,865
TEKELEC COMMON 879101103 12,138,019 1,659,900 X 1,659,900
62,156 8,500 X 8,500
TELECOM ITALIA SPA COMMON 87927W106 109,072 1,045 X 1,045
1,109,506 10,630 X 10,630
TELEPHONE & DATA SYS INC COMMON 879433100 1,741,988 30,900 X 30,900
5,638 100 X 100
TELESP PARTICIPACOES SA-ADR COMMON 87952K100 41,147 1,995 X 1,995
Total 839,874,883
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 30
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
413,428 20,045 X 20,045
TELSTRA CORP-ADR (FINAL) COMMON 87969N204 55,915 530 X 530
567,063 5,375 X 5,375
TENNECO INC NEW COMMON 88037E101 5,588 200 X 200
TERADYNE INC COMMON 880770102 164,609,606 3,016,900 X 3,016,900
769,331 14,100 X 14,100
TEVA PHARMACEUTICAL-SP ADR COMMON 881624209 16,176,188 341,000 X 341,000
94,875 2,000 X 2,000
TEXACO INC COMMON 881694103 76,647,401 1,350,615 X 1,350,615
26,523,361 467,372 X 467,372
3DO CO COMMON 88553W105 17,205,806 3,219,800 X 3,219,800
66,263 12,400 X 12,400
TIFFANY & CO NEW COMMON 886547108 1,345,500 18,000 X 18,000
3,388,044 45,325 X 45,325
TIME WARNER INC COMMON 887315109 31,412,425 443,600 X 443,600
TOTAL RENAL CARE HLDGS INC COMMON 89151A107 30,387,830 2,762,530 X 2,762,530
6,115,648 555,968 X 555,968
TRANS WORLD ENTMT CORP COMMON 89336Q100 5,359,255 487,205 X 487,205
470,635 42,785 X 42,785
TRANSACTION SYS ARCHITECTS COMMON 893416107 13,449,600 373,600 X 373,600
1,205,640 33,490 X 33,490
TRANSOCEAN OFFSHORE INC COMMON 893817106 5,301,500 184,000 X 184,000
672,628 23,345 X 23,345
TRIANGLE PHARMACEUTICALS INC COMMON 89589H104 3,115,406 291,500 X 291,500
26,719 2,500 X 2,500
TRICON GLOBAL RESTAURANTS COMMON 895953107 5,620 80 X 80
TRIBUNE CO NEW COMMON 896047107 1,550,869 23,700 X 23,700
4,908 75 X 75
TRUE NORTH COMMUNICATIONS INC COMMON 897844106 6,394,780 228,385 X 228,385
408,660 14,595 X 14,595
TYCO INTL LTD NEW COMMON 902124106 58,440,662 814,504 X 814,504
1,978,506 27,575 X 27,575
Total 474,169,659
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 31
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
3,415,300 47,600 X 47,600
UCAR INTL INC COMMON 90262K109 30,846,881 2,183,850 X 2,183,850
5,122,558 362,659 X 362,659
UST INC COMMON 902911106 10,450 400 X 400
USA NETWORKS INC COMMON 902984103 74,357,494 2,076,300 X 2,076,300
383,194 10,700 X 10,700
U S FOODSERVICE COMMON 90331R101 67,457,550 1,450,700 X 1,450,700
13,847,468 297,795 X 297,795
U S XPRESS ENTERPRISES INC COMMON 90338N103 6,998,343 602,008 X 602,008
1,145,934 98,575 X 98,575
UNILEVER N V COMMON 904784501 39,863 600 X 600
UNICOM CORP COMMON 904911104 56,803,500 1,553,600 X 1,553,600
UNIGRAPHICS SOLUTIONS INC COMMON 904928108 9,505,125 535,500 X 535,500
67,450 3,800 X 3,800
UNION PAC RES GROUP INC COMMON 907834105 7,125 600 X 600
UNISYS CORP COMMON 909214108 25,965,338 937,800 X 937,800
143,975 5,200 X 5,200
UNITED HEALTHCARE CORP COMMON 910581107 71,584,735 1,360,280 X 1,360,280
20,796,611 395,185 X 395,185
UNITED RENTALS INC COMMON 911363109 4,765,200 167,200 X 167,200
1,120,050 39,300 X 39,300
UNITED STATES FILTER CORP NEW COMMON 911843209 11,288,375 368,600 X 368,600
2,719,347 88,795 X 88,795
1,607,813 52,500 X 52,500
UNITED TECHNOLOGIES CORP COMMON 913017109 279,091,858 2,060,669 X 2,060,669
44,425,532 328,015 X 328,015
1,151,219 8,500 X 8,500
UNIVERSAL STAINLESS & ALLOY COMMON 913837100 3,248,792 547,165 X 547,165
183,617 30,925 X 30,925
UNIVERSAL HLTH SVCS INC COMMON 913903100 9,147,375 211,500 X 211,500
77,850 1,800 X 1,800
UNIVISION COMMUNICATIONS INC COMMON 914906102 7,300,000 146,000 X 146,000
Total 754,625,920
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 32
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
1,751,000 35,020 X 35,020
UNOCAL CORP COMMON 915289102 4,100,500 111,200 X 111,200
VWR SCIENTIFIC PRODS CORP COMMON 918435108 7,147,688 317,675 X 317,675
541,463 24,065 X 24,065
VALASSIS COMMUNICATIONS INC COMMON 918866104 740,025 14,300 X 14,300
1,831,950 35,400 X 35,400
VALEO COMMON 919134304 62,224 795 X 795
611,520 7,813 X 7,813
VANTIVE CORP COMMON 922091103 12,518,463 1,037,800 X 1,037,800
65,138 5,400 X 5,400
VEECO INSTRS INC DEL COMMON 922417100 68,478,431 1,853,900 X 1,853,900
3,464,738 93,800 X 93,800
VERITAS SOFTWARE CO COMMON 923436109 6,435,775 79,700 X 79,700
185,725 2,300 X 2,300
VIATEL INC CONVERT 925529307 949,695 4,412 X 4,412
VISHAY INTERTECHNOLOGY INC COMMON 928298108 X
WPP GROUP PLC COMMON 929309300 119,803 1,385 X 1,385
1,230,549 14,226 X 14,226
WABASH NATL CORP COMMON 929566107 1,599,193 137,565 X 137,565
84,223 7,245 X 7,245
WAL MART STORES INC COMMON 931142103 104,682,133 1,135,535 X 1,135,535
1,249,325 13,552 X 13,552
1,982,031 21,500 X 21,500
WARNER LAMBERT CO COMMON 934488107 18,934,250 285,800 X 285,800
576,706 8,705 X 8,705
1,013,625 15,300 X 15,300
WASHINGTON MUT INC COMMON 939322103 157,897,468 3,862,935 X 3,862,935
29,526,915 722,371 X 722,371
WASTE CONECTIONS INC COMMON 941053100 8,838,525 370,200 X 370,200
62,075 2,600 X 2,600
WASTE MANAGEMENT INC COMMON 94106L109 7,206,500 162,400 X 162,400
616,591 13,895 X 13,895
754,375 17,000 X 17,000
Total 445,258,620
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 33
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
WEATHERFORD INTERNATIONAL COMMON 947074100 1,792,175 68,600 X 68,600
49,638 1,900 X 1,900
WELLPOINT HEALTH NETWORK NEW COMMON 94973H108 3,745,138 49,400 X 49,400
689,515 9,095 X 9,095
WELLS FARGO CO COMMON 949746101 27,867,675 794,800 X 794,800
885,819 25,264 X 25,264
1,504,181 42,900 X 42,900
WESTERN DIGITAL CORP COMMON 958102105 8,164,013 1,036,700 X 1,036,700
40,163 5,100 X 5,100
WESTPAC BKG CORP COMMON 961214301 58,118 1,595 X 1,595
589,741 16,185 X 16,185
WET SEAL INC COMMON 961840105 9,320,156 252,750 X 252,750
726,253 19,695 X 19,695
WILLIAMS COS INC DEL COMMON 969457100 95,692,700 2,422,600 X 2,422,600
106,650 2,700 X 2,700
WILLIAMS-SONOMA INC COMMON 969904101 6,607,675 233,900 X 233,900
1,303,314 46,135 X 46,135
WILMAR INDS INC COMMON 971426101 7,788,413 525,800 X 525,800
59,250 4,000 X 4,000
WINDMERE-DURABLE HLDGS INC COMMON 973411101 2,906,085 415,155 X 415,155
276,885 39,555 X 39,555
XEROX CORP COMMON 984121103 164,998,664 3,165,442 X 3,165,442
34,833,000 668,259 X 668,259
1,866,075 35,800 X 35,800
YOUNG & RUBICAM INC COMMON 987425105 4,282,825 105,100 X 105,100
ZEBRA TECHNOLOGIES CORP COMMON 989207105 25,521,750 1,074,600 X 1,074,600
7,402,685 311,692 X 311,692
ZIFF-DAVIS INC COMMON 989511100 67,449,800 3,137,200 X 3,137,200
288,100 13,400 X 13,400
ZIFF DAVIS INC - ZDNET COMMON 989511209 8,902,800 247,300 X 247,300
18,000 500 X 500
DAIMLERCHRYSLER AG COMMON D1668R123 62,625,791 729,798 X 729,798
ACE LTD COMMON G0070K103 10,241,975 328,400 X 328,400
Total 558,605,020
<PAGE>
3/31/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 34
ITEM 1: ITEM 2: ITEM 3: ITEM 4: ITEM 5: ITEM 6: ITEM 7: ITEM 8:
SHARES OR INVST DISCRET V O T I N G A U T H O R I T Y
TITLE CUSIP FAIR MARKET PRINCIPAL SOLE OTHR (S H A R E S)
NAME OF ISSUER OF CLASS NUMBER VALUE AMOUNT SHRD MGRS (A)SOLE (B)SHARED (C)NONE
1,716,872 55,050 X 55,050
ESG RE LTD COMMON G31215109 3,201,988 201,700 X 201,700
RENAISSANCE RE HLDGS LTD COMMON G7496G103 6,033,706 172,700 X 172,700
332,605 9,520 X 9,520
RSL COMMUNICATIONS LTD COMMON G7702U102 37,321,094 1,038,500 X 1,038,500
190,469 5,300 X 5,300
STIRLING COOKE BROWN HLDGS LTD COMMON G84951105 2,220,400 317,200 X 317,200
HILFIGER TOMMY CORP COMMON G8915Z102 7,331,744 106,450 X 106,450
SBS BROADCASTING SA COMMON L8137F102 29,150,225 907,400 X 907,400
4,713,926 146,737 X 146,737
CHECK POINT SOFTWARE TECH LTD COMMON M22465104 170,292,900 3,960,300 X 3,960,300
782,600 18,200 X 18,200
GILAT SATELLITE NETWORKS LTD COMMON M51474100 62,118,000 1,035,300 X 1,035,300
318,000 5,300 X 5,300
ORBOTECH LTD COMMON M75253100 89,107,838 1,813,900 X 1,813,900
324,225 6,600 X 6,600
TECNOMATIX TECHNOLOGIES LTD COMMON M8743P105 17,690,075 1,335,100 X 1,335,100
51,675 3,900 X 3,900
CREATIVE TECHNOLOGY LTD COMMON Y1775U107 108,419,494 9,479,300 X 9,479,300
486,094 42,500 X 42,500
Total 541,803,928
Grand Total 20,395,407,939
Total Number of Securities 569
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