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Previous: GINTEL FUND, NSAR-A, 1999-08-05 |
Next: AUTONATION INC /FL, 8-K, 1999-08-05 |
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F
FORM 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: June 30, 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 August 5, 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: 592
Form 13F Information Table Value Total: $22,322,258,439
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>
6/30/1999 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 14,322,530 698,660 X 698,660
963,500 47,000 X 47,000
A D C TELECOMMUNICATIONS COMMON 000886101 13,231,350 290,400 X 290,400
AFLAC INC COMMON 001055102 9,718,625 203,000 X 203,000
187,670 3,920 X 3,920
AES CORP COMMON 00130H105 65,117,438 1,120,300 X 1,120,300
1,988,747 34,215 X 34,215
3,103,875 53,400 X 53,400
AT&T CORP COMMON 001957109 164,384,556 2,945,300 X 2,945,300
539,595 9,668 X 9,668
1,004,625 18,000 X 18,000
AT&T CORP - LIBERTY MEDIA COMMON 001957208 85,076,250 2,315,000 X 2,315,000
242,844 6,608 X 6,608
ATMI INC COMMON 00207R101 3,198,125 107,500 X 107,500
AVX CORP NEW COMMON 002444107 307,125 12,600 X 12,600
46,241,813 1,897,100 X 1,897,100
8,572,346 351,686 X 351,686
ABACUS DIRECT CORP COMMON 002553105 9,040,200 98,800 X 98,800
4,569,510 49,940 X 49,940
ABB AB - SPONSORED ADR COMMON 00256Q103 104,504 7,670 X 7,670
662,924 48,655 X 48,655
ABBOTT LABS COMMON 002824100 65,249,250 1,438,000 X 1,438,000
ABERCROMBIE & FITCH CO COMMON 002896207 7,496,880 156,185 X 156,185
507,360 10,570 X 10,570
ACCLAIM ENTMT INC COMMON 004325205 23,168,663 3,634,300 X 3,634,300
ACNIELSEN CORP COMMON 004833109 314,600 10,400 X 10,400
4,758,325 157,300 X 157,300
2,193,881 72,525 X 72,525
ACORN PRODS INC COMMON 004857108 3,542,644 712,985 X 712,985
166,826 33,575 X 33,575
ACTIVISION INC NEW COMMON 004930202 29,503,625 2,026,000 X 2,026,000
ACTIVISION INC. CONVERT 004930AA1 9,765,469 10,375,000 X 10,375,000
ACXIOM CORP COMMON 005125109 2,937,638 117,800 X 117,800
Total 582,183,312
<PAGE>
06/30/1999 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
99,750 4,000 X 4,000
ADAPTEC INC COMMON 00651F108 117,650,656 3,331,700 X 3,331,700
ADELPHIA COMMUNICATIONS CORP COMMON 006848105 178,150 2,800 X 2,800
53,298,663 837,700 X 837,700
1,038,996 16,330 X 16,330
ADVENT SOFTWARE INC COMMON 007974108 22,709,650 338,950 X 338,950
4,044,455 60,365 X 60,365
AFFILIATED COMPUTER SERVICES COMMON 008190100 36,687,938 724,700 X 724,700
6,637,899 131,119 X 131,119
AFFILIATED MANAGERS GROUP COMMON 008252108 22,221,019 736,100 X 736,100
3,367,204 111,543 X 111,543
ELECTROLUX AB COMMON 010198208 115,500 2,750 X 2,750
687,414 16,367 X 16,367
ALLIEDSIGNAL INC COMMON 019512102 143,463,600 2,277,200 X 2,277,200
1,436,085 22,795 X 22,795
2,520,000 40,000 X 40,000
ALLIED WASTE INDS INC COMMON 019589308 18,527,475 938,100 X 938,100
2,390,757 121,051 X 121,051
ALLIED ZURICH PLC COMMON 01959Q101 68,582 2,745 X 2,745
443,273 17,742 X 17,742
ALLSTATE CORP COMMON 020002101 49,826,788 1,388,900 X 1,388,900
ALLTEL CORP COMMON 020039103 42,900 600 X 600
ALPHARMA INC COMMON 020813101 12,478,881 350,900 X 350,900
1,837,159 51,660 X 51,660
ALTERA CORP COMMON 021441100 28,687,981 779,300 X 779,300
ALZA CORP DEL COMMON 022615108 193,325 3,800 X 3,800
18,299,738 359,700 X 359,700
1,496,234 29,410 X 29,410
AMERICA ONLINE INC DEL COMMON 02364J104 49,214,000 447,400 X 447,400
763,400 6,940 X 6,940
1,716,000 15,600 X 15,600
AMERICAN CAPITAL STRATEGIES COMMON 024937104 4,965,825 272,100 X 272,100
40,150 2,200 X 2,200
Total 607,149,446
<PAGE>
06/30/1999 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
AMERICAN GENERAL CORP COMMON 026351106 99,185,963 1,315,900 X 1,315,900
AMERICAN HOME PRODS CORP COMMON 026609107 100,073,475 1,744,200 X 1,744,200
AMERICAN HOMESTAR CORP COMMON 026651109 5,484,442 797,737 X 797,737
40,391 5,875 X 5,875
AMERICAN INSD MTG INVESTORS COMMON 026862102 25,000 10,000 X 10,000
AMERICAN INTL GROUP INC COMMON 026874107 109,327,769 932,433 X 932,433
1,353,065 11,540 X 11,540
1,887,725 16,100 X 16,100
AMERICAN PWR CONVERSION CORP COMMON 029066107 430,675 21,400 X 21,400
161,949,900 8,047,200 X 8,047,200
2,560,504 127,230 X 127,230
AMERICAN TOWER SYSTEMS-CL A COMMON 029912201 36,631,200 1,526,300 X 1,526,300
AMERITECH CORP NEW COMMON 030954101 103,436,550 1,407,300 X 1,407,300
AMKOR TECHNOLOGIES INC COMMON 031652100 107,910,975 10,527,900 X 10,527,900
ANADARKO PETE CORP COMMON 032511107 10,532,056 286,100 X 286,100
209,279 5,685 X 5,685
ANADIGICS INC COMMON 032515108 30,983,800 837,400 X 837,400
7,396,855 199,915 X 199,915
ANALOG DEVICES INC COMMON 032654105 12,827,925 255,600 X 255,600
130,488 2,600 X 2,600
ANHEUSER BUSCH COS INC COMMON 035229103 53,671,313 756,600 X 756,600
ANICOM INC COMMON 035250109 9,766,050 930,100 X 930,100
2,361,482 224,903 X 224,903
ANTEC CORP COMMON 03664P105 46,227,713 1,441,800 X 1,441,800
8,450,521 263,564 X 263,564
APARTMENT INVESTMENT AND MANAGEMECONVERT 03748R606 X
APOGEE ENTERPRISES INC COMMON 037598109 8,239,539 613,175 X 613,175
432,822 32,210 X 32,210
APOLLO GROUP INC COMMON 037604105 11,265,156 424,100 X 424,100
212,898 8,015 X 8,015
APPLIED GRAPHICS TECHNOLOGIES COMMON 037937109 13,653,938 1,081,500 X 1,081,500
Total 946,659,466
<PAGE>
06/30/1999 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
2,191,258 173,565 X 173,565
APEX PC SOLUTIONS INC COMMON 037945102 53,291,800 2,599,600 X 2,599,600
APPLIED EXTRUSION TECHNOLOGIES COMMON 038196101 5,550,085 727,880 X 727,880
181,361 23,785 X 23,785
APPLIED MATLS INC COMMON 038222105 143,856,788 1,947,300 X 1,947,300
APPLIED PWR INC COMMON 038225108 417,881 15,300 X 15,300
16,604,634 607,950 X 607,950
2,908,508 106,490 X 106,490
APPNET SYSTEMS INC COMMON 03831Q101 806,250 60,000 X 60,000
ARGENTARIA CAJA POSTAL Y BANCO SPCOMMON 04011W108 158,700 3,450 X 3,450
972,210 21,135 X 21,135
ARIBA INC COMMON 04033V104 486,250 5,000 X 5,000
ARMSTRONG WORLD INDS INC COMMON 042476101 75,890,758 1,312,705 X 1,312,705
24,064,164 416,245 X 416,245
ARTESYN TECHNOLOGIES INC COMMON 043127109 5,944,031 267,900 X 267,900
ASAHI CHEM INDUS - UNSPON ADR COMMON 043389204 123,071 2,220 X 2,220
706,828 12,750 X 12,750
ASK JEEVES INC COMMON 045174109 4,200 300 X 300
177,800 12,700 X 12,700
39,200 2,800 X 2,800
ASPECT TELECOMMUNICATIONS CORP COMMON 045237104 14,953,575 1,533,700 X 1,533,700
AT HOME CORP COMMON 045919107 4,735,713 87,800 X 87,800
91,154 1,690 X 1,690
ASTRAZENECA PLC -SPONS ADR COMMON 046353108 87,310 2,228 X 2,228
519,588 13,259 X 13,259
ASYST TECHNOLOGY CORP COMMON 04648X107 27,991,563 935,000 X 935,000
ATLANTIC RICHFIELD CO COMMON 048825103 2,005,500 24,000 X 24,000
AUTODESK INC COMMON 052769106 133,669,918 4,521,604 X 4,521,604
AVADO BRANDS INC COMMON 05336P108 2,230,430 266,320 X 266,320
123,406 14,735 X 14,735
AVANT CORP COMMON 053487104 22,601,275 1,790,200 X 1,790,200
Total 543,385,208
<PAGE>
06/30/1999 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
3,594,641 284,724 X 284,724
AVONDALE INDS INC COMMON 054350103 510,900 13,100 X 13,100
AXA-UAP COMMON 054536107 131,479 2,110 X 2,110
836,358 13,422 X 13,422
BJS WHOLESALE CLUB INC COMMON 05548J106 366,763 12,200 X 12,200
2,477,150 82,400 X 82,400
2,163,298 71,960 X 71,960
BMC INDS INC MINN COMMON 055607105 4,440,470 430,591 X 430,591
333,455 32,335 X 32,335
BP AMOCO PLC - SPONS ADR COMMON 055622104 70,093,496 646,023 X 646,023
BMC SOFTWARE INC COMMON 055921100 107,001,000 1,981,500 X 1,981,500
BWAY CORP COMMON 056039100 6,361,485 446,420 X 446,420
335,730 23,560 X 23,560
BACOU USA INC COMMON 056439102 7,952,831 466,100 X 466,100
1,413,782 82,859 X 82,859
BANK OF AMERICA CORP COMMON 060505104 173,278,141 2,363,555 X 2,363,555
32,758,298 446,831 X 446,831
BANK OF NEW YORK CO INC. COMMON 064057102 213,411,004 5,816,995 X 5,816,995
31,406,518 856,055 X 856,055
BANK TOKYO-MITSUBISHI LTD COMMON 065379109 73,322 5,035 X 5,035
449,661 30,878 X 30,878
BANK UTD CORP COMMON 065412108 7,148,954 177,890 X 177,890
440,857 10,970 X 10,970
BARR LABS INC COMMON 068306109 35,165,763 881,900 X 881,900
7,199,112 180,542 X 180,542
BARRETT RES CORP COMMON 068480201 318,513 8,300 X 8,300
5,276,563 137,500 X 137,500
1,850,251 48,215 X 48,215
BAXTER INTL INC COMMON 071813109 124,589,225 2,055,080 X 2,055,080
28,891,147 476,555 X 476,555
BAY VIEW CAP CORP DEL COMMON 07262L101 7,711,690 376,180 X 376,180
423,735 20,670 X 20,670
BAYER A G COMMON 072730302 75,944 1,825 X 1,825
Total 878,481,532
<PAGE>
06/30/1999 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
498,985 11,991 X 11,991
BAYERISCHE HYPO-UND VER-ADR COMMON 072761208 117,077 1,840 X 1,840
747,321 11,745 X 11,745
BERKLEY W R CORP COMMON 084423102 4,536,375 181,455 X 181,455
183,375 7,335 X 7,335
BESTFOODS COMMON 08658U101 59,414,850 1,200,300 X 1,200,300
BEYOND.COM CORPORATION COMMON 08860E101 23,842,181 831,100 X 831,100
BIOGEN INC COMMON 090597105 578,813 9,000 X 9,000
9,685,463 150,600 X 150,600
2,925,576 45,490 X 45,490
BOEING CO COMMON 097023105 13,200 300 X 300
BOSTON SCIENTIFIC CORP COMMON 101137107 8,110,863 184,600 X 184,600
206,506 4,700 X 4,700
BRISTOL MYERS SQUIBB CO COMMON 110122108 241,736,429 3,431,928 X 3,431,928
39,430,067 559,788 X 559,788
1,535,538 21,800 X 21,800
BRITISH AWYS PLC COMMON 110419306 7,144 100 X 100
BRITISH AMERICAN TOBACCO COMMON 110448107 X
BRITISH TELECOMMUNICATIONS PLC COMMON 111021408 99,325 580 X 580
601,601 3,513 X 3,513
BROADCOM CORP-CL A COMMON 111320107 8,370,169 57,900 X 57,900
169,138 1,170 X 1,170
BURR BROWN CORP COMMON 122574106 110,894,017 3,027,823 X 3,027,823
18,109,707 494,463 X 494,463
CBS CORP COMMON 12490K107 216,832,344 4,977,500 X 4,977,500
545,838 12,530 X 12,530
958,375 22,000 X 22,000
C-CUBE MICROSYSTEMS INC COMMON 125015107 112,519,144 3,550,900 X 3,550,900
CNF TRANSN INC COMMON 12612W104 6,479,550 168,300 X 168,300
177,100 4,600 X 4,600
CSG SYS INTL INC COMMON 126349109 7,018,250 268,000 X 268,000
CABLE & WIRELESS PLC-SP ADR COMMON 126830207 89,553 2,260 X 2,260
Total 876,433,873
<PAGE>
06/30/1999 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
570,798 14,405 X 14,405
CABLEVISION SYS CORP COMMON 12686C109 58,184,000 831,200 X 831,200
CABOT OIL & GAS CORP COMMON 127097103 8,979,113 482,100 X 482,100
61,463 3,300 X 3,300
CADENCE DESIGN SYSTEM INC COMMON 127387108 967,075 76,600 X 76,600
CADMUS COMMUNICATIONS CORP COMMON 127587103 7,578,794 551,185 X 551,185
428,038 31,130 X 31,130
CALPINE CORP COMMON 131347106 49,998,600 925,900 X 925,900
11,150,838 206,497 X 206,497
CANDESCENT TECHNOLOGY CORP CONVERT 137392AA4 2,295,000 3,000,000 X 3,000,000
CANON INC COMMON 138006309 131,063 4,500 X 4,500
812,355 27,892 X 27,892
CAPITAL ONE FINL CORP COMMON 14040H105 3,925,969 70,500 X 70,500
87,708 1,575 X 1,575
CAPITAL SR LIVING CORP COMMON 140475104 11,348,500 1,134,850 X 1,134,850
2,371,210 237,121 X 237,121
CAPSTAR COMMUNICATIONS INC CONVERT 14066Q203 6,667,265 57,353 X 57,353
CAREER EDUCATION CORP COMMON 141665109 10,407,488 307,800 X 307,800
98,056 2,900 X 2,900
CAREINSITE INC COMMON 14170M106 9,100,350 192,600 X 192,600
51,975 1,100 X 1,100
CAREY INTERNATIONAL INC COMMON 141750109 22,586,050 917,200 X 917,200
3,565,454 144,790 X 144,790
CARRIAGE SVCS INC COMMON 143905107 21,445,775 1,147,600 X 1,147,600
2,821,644 150,991 X 150,991
CASELLA WASTE SYS INC COMMON 147448104 25,763,400 990,900 X 990,900
4,459,884 171,534 X 171,534
CASEYS GEN STORES INC COMMON 147528103 27,853,950 1,856,930 X 1,856,930
6,970,185 464,679 X 464,679
CENDANT CORP COMMON 151313103 23,798,471 1,160,901 X 1,160,901
965,243 47,085 X 47,085
1,742,500 85,000 X 85,000
Total 327,188,209
<PAGE>
06/30/1999 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
CENTURYTEL INC COMMON 156700106 361,725 9,100 X 9,100
10,718,588 269,650 X 269,650
2,295,722 57,754 X 57,754
CEPHALON INC COMMON 156708109 71,933 4,140 X 4,140
CERIDIAN CORP COMMON 15677T106 405,325 12,400 X 12,400
8,475,869 259,300 X 259,300
2,420,019 74,035 X 74,035
CHAMPION INTL CORP COMMON 158525105 95,293,033 1,990,455 X 1,990,455
36,406,783 760,455 X 760,455
CHANCELLOR MEDIA CORP COMMON 158915108 268,618,723 4,872,902 X 4,872,902
CONVERT 158915306 291,888 1,900 X 1,900
158915405 24,505,268 222,270 X 222,270
CHINA TELECOM HK LTD-SP ADR COMMON 169428109 66,120 1,160 X 1,160
434,625 7,625 X 7,625
CHIREX INC COMMON 170038103 10,611,851 330,330 X 330,330
723,455 22,520 X 22,520
CHOICEPOINT INC COMMON 170388102 396,038 5,900 X 5,900
2,107,725 31,400 X 31,400
2,334,272 34,775 X 34,775
CHUBB CORP COMMON 171232101 55,891,900 804,200 X 804,200
CINCINNATI BELL INC COMMON 171870108 189,525 7,600 X 7,600
389,025 15,600 X 15,600
1,092,637 43,815 X 43,815
CIRCUIT CITY STORE INC COMMON 172737108 11,592,450 124,650 X 124,650
297,600 3,200 X 3,200
CISCO SYS INC COMMON 17275R102 182,158,369 2,826,900 X 2,826,900
1,929,259 29,940 X 29,940
2,951,238 45,800 X 45,800
CINTAS CORP COMMON 172908105 8,411,875 125,200 X 125,200
107,500 1,600 X 1,600
CITIGROUP INC COMMON 172967101 251,997,689 5,305,215 X 5,305,215
42,878,820 902,712 X 902,712
1,018,875 21,450 X 21,450
CITRIX SYS INC COMMON 177376100 35,436,800 627,200 X 627,200
Total 1,062,882,519
<PAGE>
06/30/1999 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
CLARENT CORP COMMON 180461105 180,000 12,000 X 12,000
CLEAR CHANNEL COMMUNICATIONS COMMON 184502102 146,244,013 2,121,400 X 2,121,400
325,040 4,715 X 4,715
537,713 7,800 X 7,800
CLOROX CO DEL COMMON 189054109 5,234 49 X 49
COACH USA INC COMMON 18975L106 31,029,556 739,900 X 739,900
6,677,876 159,234 X 159,234
COCA COLA CO COMMON 191216100 72,025,400 1,161,700 X 1,161,700
1,010,910 16,305 X 16,305
1,779,400 28,700 X 28,700
COCA COLA ENTERPRISES INC COMMON 191219104 2,757,825 92,700 X 92,700
COGNEX CORP COMMON 192422103 160,459,521 5,083,866 X 5,083,866
14,835,006 470,020 X 470,020
COLGATE PALMOLIVE CO COMMON 194162103 6,254,750 63,500 X 63,500
857,640 8,707 X 8,707
1,349,450 13,700 X 13,700
COMCAST CORP -CL A COMMON 200300101 6,700,519 187,100 X 187,100
716,608 20,010 X 20,010
1,246,275 34,800 X 34,800
COMCAST CORP COMMON 200300200 7,595,250 197,600 X 197,600
757,988 19,720 X 19,720
1,337,625 34,800 X 34,800
COMDISCO INC COMMON 200336105 328,000 12,800 X 12,800
103,307,188 4,031,500 X 4,031,500
2,202,469 85,950 X 85,950
COMMERCE BANCORP INC NJ COMMON 200519106 11,079,218 259,163 X 259,163
2,155,337 50,417 X 50,417
COMMERCIAL FEDERAL CORPORATION COMMON 201647104 5,944,927 256,385 X 256,385
439,635 18,960 X 18,960
COMPUWARE CORP COMMON 205638109 127,523,588 4,008,600 X 4,008,600
1,018,064 32,002 X 32,002
1,889,663 59,400 X 59,400
COMVERSE TECHNOLOGY INC COMMON 205862402 211,400 2,800 X 2,800
39,750,750 526,500 X 526,500
Total 760,533,835
<PAGE>
06/30/1999 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
1,233,670 16,340 X 16,340
CONAGRA INC COMMON 205887102 82,231,313 3,088,500 X 3,088,500
CONVERGYS CORP COMMON 212485106 370,063 19,100 X 19,100
2,584,625 133,400 X 133,400
2,179,203 112,475 X 112,475
COPART INC COMMON 217204106 6,056,250 285,000 X 285,000
65,875 3,100 X 3,100
CORN PRODS INTL INC COMMON 219023108 3,044 100 X 100
CORNELL CORRECTIONS INC COMMON 219141108 10,842,175 659,600 X 659,600
2,943,825 179,092 X 179,092
CORNING INC COMMON 219350105 5,680,125 81,000 X 81,000
111,148 1,585 X 1,585
CORPORATE EXECUTIVE BOARD CO COMMON 21988R102 11,337,325 318,800 X 318,800
42,675 1,200 X 1,200
CORRECTIONAL PROPERTIES TRST COMMON 22025E104 15,230,250 967,000 X 967,000
3,697,943 234,790 X 234,790
COVANCE INC COMMON 222816100 457,206 19,100 X 19,100
25,775,924 1,076,801 X 1,076,801
8,768,211 366,296 X 366,296
COX RADIO INC COMMON 224051102 249,550 4,600 X 4,600
651,000 12,000 X 12,000
1,718,098 31,670 X 31,670
CREDENCE SYS CORP COMMON 225302108 110,029,182 2,963,749 X 2,963,749
8,421,138 226,832 X 226,832
CROSS TIMBERS OIL CO COMMON 227573102 26,394,542 1,774,423 X 1,774,423
6,099,791 410,070 X 410,070
CROWN CORK & SEAL INC COMMON 228255105 58,923,893 2,067,505 X 2,067,505
18,559,970 651,227 X 651,227
CRUSADER HOLDING CORP COMMON 228840104 1,066,000 104,000 X 104,000
4,305 420 X 420
CUBIC CORP COMMON 229669106 8,066,904 327,590 X 327,590
510,107 20,715 X 20,715
CUMULUS MEDIA INC COMMON 231082108 14,750,313 674,300 X 674,300
Total 435,055,639
<PAGE>
06/30/1999 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
4,233,884 193,549 X 193,549
CUTTER & BUCK INC COMMON 232217109 6,882,671 407,862 X 407,862
455,895 27,016 X 27,016
DII GROUP INC COMMON 232949107 51,972,581 1,392,900 X 1,392,900
DQE INC COMMON 23329J104 51,537,954 1,284,435 X 1,284,435
89,479 2,230 X 2,230
DSP COMMUNICATIONS INC COMMON 23332K106 36,183,263 1,253,100 X 1,253,100
DAL-TILE INTL INC COMMON 23426R108 8,539,042 750,685 X 750,685
567,101 49,855 X 49,855
DALLAS SEMICONDUCTOR CORP COMMON 235204104 55,652,450 1,096,600 X 1,096,600
DANAHER CORP DEL COMMON 235851102 2,220,375 38,200 X 38,200
43,884 755 X 755
DAYTON HUDSON CORP COMMON 239753106 19,734,000 303,600 X 303,600
1,326,845 20,413 X 20,413
2,275,000 35,000 X 35,000
DELL COMPUTER CORP COMMON 247025109 44,083,650 1,191,450 X 1,191,450
382,580 10,340 X 10,340
725,200 19,600 X 19,600
DELPHI AUTOMOTIVE SYSTEMS COMMON 247126105 8,416 455 X 455
X
DENTSPLY INTL INC NEW COMMON 249030107 190,575 6,600 X 6,600
18,823,035 651,880 X 651,880
5,997,828 207,717 X 207,717
DEVRY INC DEL COMMON 251893103 21,399,450 956,400 X 956,400
4,985,575 222,819 X 222,819
DEXTER CORP COMMON 252165105 7,642,549 187,260 X 187,260
493,831 12,100 X 12,100
DIAL CORP NEW COMMON 25247D101 494,594 13,300 X 13,300
129,320,089 3,477,515 X 3,477,515
44,198,831 1,188,540 X 1,188,540
DISNEY WALT CO COMMON 254687106 18,231,756 591,700 X 591,700
481,507 15,627 X 15,627
1,090,763 35,400 X 35,400
DITECH COMMUNICATIONS CORP COMMON 25500M103 3,500,000 175,000 X 175,000
Total 543,764,654
<PAGE>
06/30/1999 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
DOBSON COMMUNICATIONS CONVERT 256072406 4,912,500 5,000 X 5,000
DOLE FOOD INC COMMON 256605106 63,481,725 2,161,080 X 2,161,080
23,143,828 787,875 X 787,875
DOMINION RES INC VA COMMON 257470104 69,484,944 1,604,270 X 1,604,270
27,110,160 625,920 X 625,920
DLJDIRECT COMMON 257661504 1,303,900 44,200 X 44,200
24,928 845 X 845
DOUBLECLICK INC. COMMON 258609304 11,679,775 127,300 X 127,300
133,955 1,460 X 1,460
DU PONT E I DE NEMOURS & CO COMMON 263534109 56,093,102 821,125 X 821,125
104,655 1,532 X 1,532
DURA PHARMACEUTICALS INC COMMON 26632S109 11,884,975 995,600 X 995,600
2,270,154 190,170 X 190,170
ECI TELECOM LTD COMMON 268258100 41,590,575 1,253,200 X 1,253,200
ENSCO INTL INC COMMON 26874Q100 241,244 12,100 X 12,100
1,509,269 75,700 X 75,700
1,398,217 70,130 X 70,130
EARTHGRAINS CO COMMON 270319106 129 5 X 5
ECHOSTAR COMMUNICATIONS NEW COMMON 278762109 63,216,250 412,000 X 412,000
EDUTREK INTL INC COMMON 28164K108 2,213,975 466,100 X 466,100
19,950 4,200 X 4,200
ELAN PLC COMMON 284131208 174,825 6,300 X 6,300
5,418,188 195,250 X 195,250
1,835,108 66,130 X 66,130
ELECTRO SCIENTIFIC INDS COMMON 285229100 52,435,469 1,255,000 X 1,255,000
ELECTRONIC ARTS INC COMMON 285512109 515,375 9,500 X 9,500
131,637,625 2,426,500 X 2,426,500
3,067,024 56,535 X 56,535
ELECTRONIC DATA SYS NEW COMMON 285661104 90,149,831 1,592,050 X 1,592,050
ELECTRONICS FOR IMAGING INC COMMON 286082102 276,736,575 5,386,600 X 5,386,600
ELF AQUITAINE COMMON 286269105 104,459 1,420 X 1,420
Total 943,892,687
<PAGE>
06/30/1999 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
641,097 8,715 X 8,715
EMCORE CORP COMMON 290846104 5,031,250 250,000 X 250,000
ENRON CORP COMMON 293561106 19,444,238 237,850 X 237,850
ENRON OIL & GAS CO COMMON 293562104 121,500 6,000 X 6,000
2,916,000 144,000 X 144,000
682,628 33,710 X 33,710
ENTRUST TECHNOLOGIES INC COMMON 293848107 19,085,500 574,000 X 574,000
EQUITABLE COS INC COMMON 29444G107 92,857,980 1,385,940 X 1,385,940
34,919,060 521,180 X 521,180
EQUITABLE RES INC COMMON 294549100 9,887,480 261,920 X 261,920
682,520 18,080 X 18,080
ETOYS INC COMMON 297862104 611,250 15,000 X 15,000
EVERGREEN MEDIA CORP CONVERT 300248408 12,590,000 114,200 X 114,200
EXXON CORP COMMON 302290101 102,300,528 1,326,425 X 1,326,425
110,674 1,435 X 1,435
FPL GROUP INC COMMON 302571104 136,563 2,500 X 2,500
FAIRCHILD CORP COMMON 303698104 9,078,000 712,000 X 712,000
2,061,688 161,701 X 161,701
FEDERAL NATL MTG ASSN COMMON 313586109 169,308,662 2,480,713 X 2,480,713
29,279,728 429,007 X 429,007
887,250 13,000 X 13,000
FEDERATED DEPT STORES INC DEL COMMON 31410H101 9,984,013 188,600 X 188,600
195,869 3,700 X 3,700
FINANCIAL SEC ASSURN HLDGS LTD COMMON 31769P100 78 2 X 2
FIRSTSERVICE CORP COMMON 33761N109 7,201,050 472,200 X 472,200
73,200 4,800 X 4,800
FISERV INC COMMON 337738108 502,566 16,050 X 16,050
1,237,721 39,528 X 39,528
2,996,450 95,695 X 95,695
FLUOR CORP COMMON 343861100 3,329,100 82,200 X 82,200
68,445 1,690 X 1,690
FOODMAKER INC NEW COMMON 344839204 8,899,393 313,635 X 313,635
Total 547,121,478
<PAGE>
06/30/1999 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
622,264 21,930 X 21,930
FORD MTR CO DEL COMMON 345370100 144,818,343 2,565,995 X 2,565,995
30,238,197 535,782 X 535,782
FOREST LABS INC COMMON 345838106 254,375 5,500 X 5,500
5,915,375 127,900 X 127,900
1,789,644 38,695 X 38,695
FORRESTER RESH INC COMMON 346563109 2,405,000 96,200 X 96,200
564,625 22,585 X 22,585
FORT JAMES CORP COMMON 347471104 48,642,863 1,284,300 X 1,284,300
FORTIS (NL) - SPONS ADR COMMON 34956J101 83,703 2,710 X 2,710
529,862 17,155 X 17,155
FORTUNE BRANDS INC COMMON 349631101 12,441,463 300,700 X 300,700
FORWARD AIR CORPORATION COMMON 349853101 2,086,875 74,200 X 74,200
FOX ENTERTAINMENT GRP INC-A COMMON 35138T107 39,907,906 1,481,500 X 1,481,500
FREDS INC COMMON 356108100 9,479,766 606,705 X 606,705
839,219 53,710 X 53,710
FRONTIER CORPORATION COMMON 35906P105 181,738 3,100 X 3,100
1,014,213 17,300 X 17,300
3,024,464 51,590 X 51,590
FUJITSU LTD - UNSPON ADR COMMON 359590304 120,708 1,200 X 1,200
704,129 7,000 X 7,000
FURNITURE BRANDS INTL INC COMMON 360921100 8,462,850 303,600 X 303,600
673,181 24,150 X 24,150
FURON CO COMMON 361106107 8,882,690 467,510 X 467,510
555,655 29,245 X 29,245
G & K SVCS INC COMMON 361268105 7,384,875 141,000 X 141,000
1,521,965 29,059 X 29,059
GATX CORP COMMON 361448103 45,378,113 1,192,200 X 1,192,200
GKN PUB LTD COMMON 361755200 125,127 7,310 X 7,310
780,886 45,620 X 45,620
GTE CORP COMMON 362320103 132,006,465 1,748,430 X 1,748,430
143,073 1,895 X 1,895
Total 511,579,607
<PAGE>
06/30/1999 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
GALILEO INTERNATIONAL INC COMMON 363547100 336,656 6,300 X 6,300
98,266,219 1,838,900 X 1,838,900
2,007,647 37,570 X 37,570
GANNETT INC COMMON 364730101 34,359,925 481,400 X 481,400
738,731 10,350 X 10,350
1,341,850 18,800 X 18,800
GARTNER GROUP INC COMMON 366651107 227,550 11,100 X 11,100
553,500 27,000 X 27,000
1,526,430 74,460 X 74,460
GATEWAY INC. COMMON 367626108 5,457,375 92,400 X 92,400
127,280 2,155 X 2,155
GENERAL DYNAMICS CORP COMMON 369550108 50,251,200 729,600 X 729,600
GENERAL ELEC CO COMMON 369604103 337,747,734 2,988,918 X 2,988,918
44,729,807 395,839 X 395,839
5,367,500 47,500 X 47,500
GENERAL INSTRUMENT CORP COMMON 370120107 284,750 6,700 X 6,700
10,393,375 244,550 X 244,550
1,823,250 42,900 X 42,900
GENERAL MTRS CORP COMMON 370442105 68,439,492 1,036,962 X 1,036,962
24,825,636 376,146 X 376,146
GENERAL MOTORS CORP COMMON 370442832 16,894 300 X 300
GENERAL SEMICONDUCTOR INC COMMON 370787103 24,320,863 2,665,300 X 2,665,300
4,898,775 536,852 X 536,852
GENUINE PARTS CO COMMON 372460105 24,500 700 X 700
GEORGIA PAC CORP COMMON 373298108 122,385,733 2,583,340 X 2,583,340
49,156,158 1,037,597 X 1,037,597
GIANT CEMENT HLDG INC COMMON 374450104 7,700,754 336,645 X 336,645
423,531 18,515 X 18,515
GILLETTE CO COMMON 375766102 1,824,500 44,500 X 44,500
550,302 13,422 X 13,422
971,700 23,700 X 23,700
GLENAYRE TECHNOLOGIES INC COMMON 377899109 4,487,516 1,248,700 X 1,248,700
939,755 261,497 X 261,497
GLOBAL TELESYSTEMS GROUP COMMON 37936U104 10,821,600 133,600 X 133,600
Total 917,328,486
<PAGE>
06/30/1999 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
GOODRICH B F CO COMMON 382388106 77,676,825 1,827,690 X 1,827,690
28,870,250 679,300 X 679,300
GOTO.COM INC COMMON 38348T107 2,800,000 100,000 X 100,000
GROUPE DANONE - SPONS ADR COMMON 399449107 60,944 1,165 X 1,165
370,373 7,080 X 7,080
GULFSTREAM AEROSPACE CORP COMMON 402734107 959,388 14,200 X 14,200
2,107,950 31,200 X 31,200
5,388,447 79,755 X 79,755
HNC SOFTWARE INC COMMON 40425P107 55,585,750 1,804,000 X 1,804,000
2,289,215 74,295 X 74,295
HA-LO INDS INC COMMON 404429102 15,549,175 1,574,600 X 1,574,600
885,936 89,715 X 89,715
HADCO CORP COMMON 404681108 45,346,800 1,140,800 X 1,140,800
HALLIBURTON CO COMMON 406216101 4,579,300 101,200 X 101,200
HANGER ORTHOPEDIC GROUP INC COMMON 41043F208 5,178,438 365,000 X 365,000
41,144 2,900 X 2,900
HARLEY DAVIDSON INC COMMON 412822108 435,000 8,000 X 8,000
27,298,969 502,050 X 502,050
3,710,006 68,230 X 68,230
1,729,125 31,800 X 31,800
HARMAN INTL INDS INC COMMON 413086109 6,832,540 155,285 X 155,285
367,840 8,360 X 8,360
HARRAHS ENTMT INC COMMON 413619107 233,863 10,600 X 10,600
569,213 25,800 X 25,800
1,611,776 73,055 X 73,055
HARRIS CORP DEL COMMON 413875105 39,477,488 1,007,400 X 1,007,400
HARTFORD FINL SVCS GROUP INC COMMON 416515104 18,228,488 312,600 X 312,600
HASBRO INC COMMON 418056107 16,763 600 X 600
HEALTH MGMT ASSOC INC NEW COMMON 421933102 10,870,875 966,300 X 966,300
211,050 18,760 X 18,760
HEALTHDYNE INC CONVERT 422203AA7 44,694 40,220 X 40,220
HELLENIC TELECOMMUN ORG-ADR COMMON 423325307 37,391 3,380 X 3,380
Total 359,365,012
<PAGE>
06/30/1999 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
251,174 22,705 X 22,705
HERSHEY FOODS CORP COMMON 427866108 53,438 900 X 900
HEWLETT PACKARD CO COMMON 428236103 40,200,000 400,000 X 400,000
HILTON GROUP PLC SPONSORED ADR COMMON 43283M109 108,418 13,659 X 13,659
705,493 88,881 X 88,881
HOME DEPOT INC COMMON 437076102 5,155,000 80,000 X 80,000
HOUSEHOLD INTL INC COMMON 441815107 4,974,375 105,000 X 105,000
HUMANA INC COMMON 444859102 72,612,818 5,612,585 X 5,612,585
23,176,483 1,791,419 X 1,791,419
ICG COMMUNICATIONS INC COMMON 449246107 22,195,800 1,038,400 X 1,038,400
IDEC PHARMACEUTICALS CORP COMMON 449370105 331,369 4,300 X 4,300
809,156 10,500 X 10,500
1,962,397 25,465 X 25,465
ISS GROUP INC COMMON 450306105 24,726,250 655,000 X 655,000
233,295 6,180 X 6,180
ITT EDUCATIONAL SERVICES INC COMMON 45068B109 151,163 5,800 X 5,800
37,811,475 1,450,800 X 1,450,800
6,306,995 241,995 X 241,995
ILLINOIS TOOL WKS INC COMMON 452308109 15,458,925 189,100 X 189,100
490,500 6,000 X 6,000
891,075 10,900 X 10,900
INDUS INTL INC COMMON 45578L100 2,824,256 654,900 X 654,900
31,050 7,200 X 7,200
INFINITY BROADCASTING CORP-A COMMON 45662S102 68,587,956 2,320,100 X 2,320,100
283,800 9,600 X 9,600
INFORMATION HOLDINGS INC COMMON 456727106 21,836,738 1,112,700 X 1,112,700
5,488,818 279,685 X 279,685
INFOUSA IN-CL B COMMON 456818103 4,926,600 579,600 X 579,600
493,595 58,070 X 58,070
ING GROEP N V COMMON 456837103 89,210 1,622 X 1,622
562,760 10,232 X 10,232
INGRAM MICRO INC COMMON 457153104 26,759,400 1,039,200 X 1,039,200
Total 390,489,782
<PAGE>
06/30/1999 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
INSO CORP COMMON 457674109 2,939,050 546,800 X 546,800
32,250 6,000 X 6,000
INSIGNIA FINANCIAL GROUP INC COMMON 45767A105 11,577,190 1,102,590 X 1,102,590
2,740,542 261,004 X 261,004
INTEGRATED ELECTRICAL SVCS COMMON 45811E103 4,134,450 256,400 X 256,400
43,538 2,700 X 2,700
INTEL CORP COMMON 458140100 120,291,150 2,021,700 X 2,021,700
1,349,520 22,681 X 22,681
3,808,000 64,000 X 64,000
INTERIM SVCS INC COMMON 45868P100 354,750 17,200 X 17,200
864,188 41,900 X 41,900
2,098,491 101,745 X 101,745
INTERNATIONAL BUSINESS MACHS COMMON 459200101 124,816,725 965,700 X 965,700
INTL PAPER CO COMMON 460146103 10,050 200 X 200
INTERPUBLIC GROUP COS INC COMMON 460690100 24,285,319 280,350 X 280,350
1,147,435 13,246 X 13,246
1,819,125 21,000 X 21,000
INVENSYS PLC -SPON ADR COMMON 461204109 136,406 14,400 X 14,400
837,951 88,460 X 88,460
IVEX PACKAGING CORP DEL COMMON 465855104 26,571,600 1,207,800 X 1,207,800
5,318,918 241,769 X 241,769
JOHNSON & JOHNSON COMMON 478160104 70,827,050 722,725 X 722,725
142,100 1,450 X 1,450
KLA-TENCORP CORP COMMON 482480100 278,963 4,300 X 4,300
171,007,256 2,635,950 X 2,635,950
1,966,686 30,315 X 30,315
KEMET CORP COMMON 488360108 38,473,069 1,677,300 X 1,677,300
9,562,850 416,909 X 416,909
KENDLE INTERNATIONAL INC COMMON 48880L107 1,600,000 100,000 X 100,000
KENNAMETAL INC COMMON 489170100 18,600 600 X 600
KENT ELECTRS CORP COMMON 490553104 15,257,606 770,100 X 770,100
3,002,069 151,524 X 151,524
KEYSTONE AUTOMOTIVE INDS INC COMMON 49338N109 8,039,413 462,700 X 462,700
Total 655,352,307
<PAGE>
06/30/1999 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
92,088 5,300 X 5,300
KIMBERLY CLARK CORP COMMON 494368103 89,123,718 1,563,574 X 1,563,574
29,019,669 509,117 X 509,117
KNIGHT RIDDER INC COMMON 499040103 6,056,875 110,000 X 110,000
KONIKKLIFKE PHILIPS EL-NY SH COMMON 500472105 121,230 1,408 X 1,408
798,017 9,266 X 9,266
KROGER CO COMMON 501044101 318,488 11,400 X 11,400
L-3 COMMUNICATIONS CORP COMMON 502424104 19,035,125 394,000 X 394,000
4,737,137 98,052 X 98,052
LAM RESH CORP COMMON 512807108 58,266,000 1,248,000 X 1,248,000
LAMSON & SESSIONS CO COMMON 513696104 4,402,140 733,690 X 733,690
345,420 57,570 X 57,570
LASER VISION CENTERS INC COMMON 51807H100 2,475,900 39,300 X 39,300
44,100 700 X 700
LATTICE SEMICONDUCTOR CORP COMMON 518415104 198,344,063 3,186,250 X 3,186,250
5,383,754 86,486 X 86,486
LAUDER ESTEE COS INC COMMON 518439104 X
LEXMARK INTL GROUP INC COMMON 529771107 42,024,800 641,600 X 641,600
LIBERTY FINL COS INC COMMON 530512102 8,196,649 281,430 X 281,430
446,049 15,315 X 15,315
LINCARE HLDGS INC COMMON 532791100 180,000 7,200 X 7,200
1,770,000 70,800 X 70,800
1,507,875 60,315 X 60,315
765,000 30,600 X 30,600
LINCOLN NATL CORP IND COMMON 534187109 23,572,013 450,600 X 450,600
LINEAR TECHNOLOGY CORP COMMON 535678106 457,300 6,800 X 6,800
42,972,750 639,000 X 639,000
2,703,450 40,200 X 40,200
LIZ CLAIBORNE INC COMMON 539320101 10,950 300 X 300
LOEHMANNS INC NEW COMMON 540417102 128,311 1,173,130 X 1,173,130
7,620 69,665 X 69,665
LOWES COS INC COMMON 548661107 20,492,531 361,500 X 361,500
Total 563,799,020
<PAGE>
06/30/1999 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
731,269 12,900 X 12,900
1,439,863 25,400 X 25,400
LUCENT TECHNOLOGIES INC COMMON 549463107 79,400,913 1,177,400 X 1,177,400
MBNA CORP COMMON 55262L100 6,531,149 213,262 X 213,262
MCI WORLDCOM INC COMMON 55268B106 155,553,666 1,807,450 X 1,807,450
1,487,246 17,281 X 17,281
2,642,119 30,700 X 30,700
MMI COS INC COMMON 553087107 1,947,662 115,417 X 115,417
39,471 2,339 X 2,339
MSC INDL DIRECT INC COMMON 553530106 6,635,850 647,400 X 647,400
82,718 8,070 X 8,070
MAGYAR TAVKOZLESI RT COMMON 559776109 68,200 2,480 X 2,480
449,130 16,332 X 16,332
MAIL.COM INC COMMON 560311102 7,525,000 400,000 X 400,000
MANNESMANN A G COMMON 563775303 276,640 1,850 X 1,850
1,694,233 11,330 X 11,330
MARINE DRILLING COS INC COMMON 568240204 8,484,443 619,868 X 619,868
576,107 42,090 X 42,090
MASTECH CORP COMMON 57632N105 26,207,238 1,407,100 X 1,407,100
MATERIAL SCIENCIES CORP COMMON 576674105 2,155,500 143,700 X 143,700
437,400 29,160 X 29,160
MAXIM INTEGRATED PRODS INC COMMON 57772K101 625,100 9,400 X 9,400
49,855,050 749,700 X 749,700
3,732,978 56,135 X 56,135
MAY DEPT STORES CO COMMON 577778103 67,635,863 1,654,700 X 1,654,700
MCDERMOTT INTL INC COMMON 580037109 7,726,375 273,500 X 273,500
56,500 2,000 X 2,000
MCDONALDS CORP COMMON 580135101 15,175,125 369,000 X 369,000
MEAD CORP COMMON 582834107 58,217,870 1,394,440 X 1,394,440
108,968 2,610 X 2,610
MEDIAONE GROUP INC COMMON 58440J104 270,457,250 3,636,400 X 3,636,400
MEDPARTNERS INC NEW COMMON 58503X107 187,500 25,000 X 25,000
Total 778,144,391
<PAGE>
06/30/1999 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
456,750 60,900 X 60,900
1,300,950 173,460 X 173,460
MEDTRONIC INC COMMON 585055106 128,952,044 1,655,885 X 1,655,885
36,732,469 471,685 X 471,685
1,806,700 23,200 X 23,200
MELLON BK CORP COMMON 585509102 66,224,325 1,820,600 X 1,820,600
MEMBERWORKS INC COMMON 586002107 63,431,700 2,187,300 X 2,187,300
12,581,070 433,830 X 433,830
MENTOR GRAPHICS CORP COMMON 587200106 44,030,156 3,436,500 X 3,436,500
MERCK & CO INC COMMON 589331107 141,521,975 1,922,200 X 1,922,200
2,251,305 30,578 X 30,578
4,152,450 56,400 X 56,400
MERRILL CORP COMMON 590175105 6,669,493 459,965 X 459,965
283,548 19,555 X 19,555
METAMOR WORLDWIDE INC COMMON 59133P100 46,457,469 1,930,700 X 1,930,700
4,276,869 177,740 X 177,740
METRIS COS INC COMMON 591598107 29,413,350 721,800 X 721,800
4,051,773 99,430 X 99,430
METZLER GROUP INC COMMON 592903108 124,313 4,500 X 4,500
34,768,825 1,258,600 X 1,258,600
731,372 26,475 X 26,475
MICROSOFT CORP COMMON 594918104 470,336,831 5,215,100 X 5,215,100
2,410,351 26,726 X 26,726
4,256,850 47,200 X 47,200
MICROCHIP TECHNOLOGY INC COMMON 595017104 454,800 9,600 X 9,600
190,016,388 4,010,900 X 4,010,900
14,860,495 313,678 X 313,678
MIDAMERICAN ENERGY HLDGS CO COMMON 59562V107 38,805,276 1,120,730 X 1,120,730
9,345,045 269,893 X 269,893
MINERALS TECHNOLOGIES INC COMMON 603158106 239,994 4,300 X 4,300
7,975,606 142,900 X 142,900
2,141,247 38,365 X 38,365
MOBIL CORP COMMON 607059102 52,367,125 530,300 X 530,300
MODIS PROFESSIONAL SERVICES INC COMMON 607830106 38,704,663 2,853,800 X 2,853,800
Total 1,462,133,575
<PAGE>
06/30/1999 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
117,994 8,700 X 8,700
MOLEX INC COMMON 608554101 16,298,500 440,500 X 440,500
324,120 8,760 X 8,760
MONSANTO CO COMMON 611662107 20,259,956 512,100 X 512,100
772,260 19,520 X 19,520
1,424,250 36,000 X 36,000
MORGAN J P & CO INC COMMON 616880100 53,649,925 381,850 X 381,850
MOTOROLA INC COMMON 620076109 13,525,563 142,750 X 142,750
MUELLER INDS INC COMMON 624756102 8,612,828 253,785 X 253,785
484,797 14,285 X 14,285
MUTUAL RISK MGMT LTD COMMON 628351108 9,440,252 282,854 X 282,854
3,417,934 102,410 X 102,410
NCR CORP NEW COMMON 62886E108 5,515,813 113,000 X 113,000
4,637 95 X 95
NFO WORLDWIDE INC COMMON 62910N108 2,830,800 202,200 X 202,200
11,200 800 X 800
NTT MOBILE COMM NTWK-SP ADR COMMON 629424201 19,852 1,465 X 1,465
397,580 29,340 X 29,340
NABISCO GROUP HOLDINGS COMMON 62952P102 11,738 600 X 600
NATIONAL EQUIPMENT SERVICES COMMON 635847106 12,724,800 1,060,400 X 1,060,400
2,514,060 209,505 X 209,505
NATIONAL INSTRS CORP COMMON 636518102 310,888 7,700 X 7,700
19,117,563 473,500 X 473,500
2,031,266 50,310 X 50,310
NATIONWIDE FINL SVCS INC COMMON 638612101 475,125 10,500 X 10,500
977,400 21,600 X 21,600
2,672,239 59,055 X 59,055
NETWORKS ASSOCS INC COMMON 640938106 1,248,438 85,000 X 85,000
NEW ERA OF NETWORKS INC COMMON 644312100 23,717,463 539,800 X 539,800
NFRONT INC COMMON 65334N109 151,875 10,000 X 10,000
NIPPON TELEG & TEL CORP COMMON 654624105 205,410 3,280 X 3,280
1,297,277 20,715 X 20,715
Total 204,563,800
<PAGE>
06/30/1999 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
NOKIA CORP-SPONSORED ADR A COMMON 654902204 85,656,719 935,500 X 935,500
1,563,430 17,075 X 17,075
2,865,906 31,300 X 31,300
NORFOLK SOUTHERN CORP COMMON 655844108 12,050 400 X 400
NORTEL NETWORKS CORPORATION COMMON 656569100 X
NOVA CORP GA COMMON 669784100 182,500 7,300 X 7,300
43,506,538 1,740,262 X 1,740,262
8,748,075 349,923 X 349,923
NOVARTIS A G COMMON 66987V109 79,948 1,095 X 1,095
493,267 6,756 X 6,756
NOVELLUS SYS INC COMMON 670008101 113,076,600 1,656,800 X 1,656,800
81,900 1,200 X 1,200
NUCOR CORP COMMON 670346105 7,580,513 159,800 X 159,800
149,903 3,160 X 3,160
OGE ENERGY CORP COMMON 670837103 205,865 8,668 X 8,668
OM GROUP INC COMMON 670872100 4,660,950 135,100 X 135,100
134,550 3,900 X 3,900
OAK INDS INC COMMON 671400505 67,619,273 1,541,180 X 1,541,180
8,706,292 198,434 X 198,434
OFFICE DEPOT INC COMMON 676220106 16,287,641 738,250 X 738,250
272,141 12,335 X 12,335
OLYMPIC STEEL INC COMMON 68162K106 5,661,526 854,570 X 854,570
274,838 41,485 X 41,485
OMNICARE INC COMMON 681904108 24,702,971 1,956,671 X 1,956,671
4,317,485 341,979 X 341,979
ORACLE CORP COMMON 68389X105 18,770,400 505,600 X 505,600
703,704 18,955 X 18,955
1,303,088 35,100 X 35,100
OUTBACK STEAKHOUSE INC COMMON 689899102 424,575 10,800 X 10,800
10,225,181 260,100 X 260,100
2,586,939 65,805 X 65,805
OUTDOOR SYS INC COMMON 690057104 56,932,700 1,559,800 X 1,559,800
PE CORP-PE BIOSYSTEMS GROUP COMMON 69332S102 2,573,269 22,425 X 22,425
Total 490,360,735
<PAGE>
06/30/1999 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
48,769 425 X 425
PE CORP-CELERA GENOMICS GRP COMMON 69332S201 996 62 X 62
PMC-SIERRA INC COMMON 69344F106 30,364,600 515,200 X 515,200
5,582,030 94,711 X 94,711
PSS WORLD MEDICAL INC COMMON 69366A100 50,323,613 4,498,200 X 4,498,200
8,167,177 730,027 X 730,027
PACIFIC GATEWAY EXCHANGE INC COMMON 694327107 43,416,638 1,490,700 X 1,490,700
4,806 165 X 165
PACKAGED ICE INC COMMON 695148106 2,424,875 408,400 X 408,400
375,933 63,315 X 63,315
PAPA JOHNS INTL INC COMMON 698813102 254,719 5,700 X 5,700
616,688 13,800 X 13,800
1,700,583 38,055 X 38,055
PARAMETRIC TECHNOLOGY CORP COMMON 699173100 288,600 20,800 X 20,800
98,486,138 7,098,100 X 7,098,100
1,654,663 119,255 X 119,255
PEGASUS COMMUNICATIONS CORP COMMON 705904308 4,758,750 4,050 X 4,050
PENINSULAR & ORIENTAL-SP ADR COMMON 707190401 90,580 3,015 X 3,015
576,464 19,188 X 19,188
PENTON MEDIA INC COMMON 709668107 264,325 10,900 X 10,900
4,864,550 200,600 X 200,600
2,031,059 83,755 X 83,755
PEPSICO INC COMMON 713448108 73,345,697 1,895,850 X 1,895,850
124,535 3,219 X 3,219
PEREGRINE SYSTEMS INC COMMON 71366Q101 285,131 11,100 X 11,100
22,265,925 866,800 X 866,800
1,871,591 72,860 X 72,860
PERFORMANCE FOOD GROUP CO COMMON 713755106 18,927,938 696,200 X 696,200
5,272,445 193,929 X 193,929
PERSONNEL GROUP AMER INC COMMON 715338109 30,316,000 3,031,600 X 3,031,600
5,552,780 555,278 X 555,278
PHARMACIA & UPJOHN INC COMMON 716941109 54,375,244 957,100 X 957,100
PFIZER INC COMMON 717081103 72,861,050 668,450 X 668,450
Total 541,494,887
<PAGE>
06/30/1999 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
1,295,574 11,886 X 11,886
1,787,600 16,400 X 16,400
PHARMACEUTICAL PROD DEV INC COMMON 717124101 24,711,413 902,700 X 902,700
5,377,299 196,431 X 196,431
PHARMACOPEIA INC COMMON 71713B104 3,391,875 301,500 X 301,500
177,750 15,800 X 15,800
PHILIP MORRIS COS INC COMMON 718154107 202,970,787 5,050,595 X 5,050,595
27,795,403 691,643 X 691,643
PIER 1 IMPORTS INC COMMON 720279108 6,619,500 588,400 X 588,400
54,000 4,800 X 4,800
PITNEY BOWES INC COMMON 724479100 44,293,950 689,400 X 689,400
PITTSTON BAX GROUP COMMON 725701882 6,330,943 666,415 X 666,415
353,590 37,220 X 37,220
POGO PRODUCING CO COMMON 730448107 12,048,885 646,920 X 646,920
2,325,667 124,868 X 124,868
POLYMER GROUP INC COMMON 731745105 6,191,075 526,900 X 526,900
1,103,454 93,911 X 93,911
PRE PAID LEGAL SVCS INC COMMON 740065107 27,350,138 1,008,300 X 1,008,300
4,703,556 173,403 X 173,403
PREMIER PKS INC COMMON 740540208 86,417,625 2,351,500 X 2,351,500
15,102,155 410,943 X 410,943
PRICE T ROWE & ASSOCIATES COMMON 741477103 226,413 5,900 X 5,900
552,600 14,400 X 14,400
1,539,221 40,110 X 40,110
PRIMARK CORP COMMON 741903108 52,342,175 1,865,200 X 1,865,200
9,001,917 320,781 X 320,781
PRISON REALTY CORP COMMON 74264N105 5,947,356 606,100 X 606,100
77,519 7,900 X 7,900
PROCTER & GAMBLE CO COMMON 742718109 73,872,225 827,700 X 827,700
799,055 8,953 X 8,953
1,892,100 21,200 X 21,200
PROFESSIONAL DETAILING INC COMMON 74312N107 8,351,900 355,400 X 355,400
54,050 2,300 X 2,300
PROFIT RECOVERY GROUP INTL INC COMMON 743168106 8,151,944 172,300 X 172,300
Total 643,210,712
<PAGE>
06/30/1999 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
960,917 20,310 X 20,310
PROVANT INC COMMON 743724106 8,557,819 549,900 X 549,900
85,594 5,500 X 5,500
PROVIDENT COS INC COMMON 743862104 292,000 7,300 X 7,300
628,000 15,700 X 15,700
1,792,200 44,805 X 44,805
PROVINCE HEALTHCARE CO COMMON 743977100 27,438,255 1,407,090 X 1,407,090
4,528,017 232,206 X 232,206
PSINET INC COMMON 74437C101 35,748,125 817,100 X 817,100
RWE AG COMMON 74975E303 162,576 3,511 X 3,511
RF MICRO DEVICES INC COMMON 749941100 7,066,988 94,700 X 94,700
RAMP NETWORKS INC COMMON 751567108 1,288,125 90,000 X 90,000
RAYCHEM CORP DEL COMMON 754603108 85,438,180 2,309,140 X 2,309,140
29,964,080 809,840 X 809,840
RAYOVAC CORP COMMON 755081106 551,306 24,300 X 24,300
4,757,569 209,700 X 209,700
3,655,977 161,145 X 161,145
RAYTHEON CO COMMON 755111309 31,288,122 454,274 X 454,274
755111408 52,551,758 745,415 X 745,415
71,910 1,020 X 1,020
REALTY INFORMATION GROUP INC COMMON 75612B107 23,218,995 533,770 X 533,770
2,309,850 53,100 X 53,100
REMEDY CORP COMMON 759548100 158,563 5,900 X 5,900
389,688 14,500 X 14,500
1,152,266 42,875 X 42,875
RENEX CORP COMMON 759683105 3,066,206 563,900 X 563,900
19,031 3,500 X 3,500
RENAL CARE GROUP INC COMMON 759930100 18,826,650 727,600 X 727,600
3,649,798 141,055 X 141,055
RENT-A-CENTER INC COMMON 76009N100 10,432,800 434,700 X 434,700
1,884,120 78,505 X 78,505
RENT WAY INC COMMON 76009U104 6,985,226 283,664 X 283,664
412,099 16,735 X 16,735
Total 369,332,808
<PAGE>
06/30/1999 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
RESORTQUEST INTL INC COMMON 761183102 3,159,750 383,000 X 383,000
23,100 2,800 X 2,800
RJ REYNOLDS TOBACCO HOLDINGS, INCCOMMON 76182K105 6,350 200 X 200
RHYTHMS NETCONNECTIONS INC COMMON 762430205 2,107,338 36,100 X 36,100
37,360 640 X 640
RICHFOOD HLDGS INC COMMON 763408101 1,851 105 X 105
RITCHIE BROS. AUCTIONEERS COMMON 767744105 15,882,875 416,600 X 416,600
4,530,851 118,842 X 118,842
ROCHE HOLDINGS LTD COMMON 771195104 71,441 695 X 695
411,686 4,005 X 4,005
ROGERS COMMUNICATIONS - CL B COMMON 775109200 6,099,450 376,800 X 376,800
ROLLS-ROYCE PLC COMMON 775781206 71,626 3,375 X 3,375
379,992 17,905 X 17,905
ROSS STORES INC COMMON 778296103 256,913 5,100 X 5,100
584,350 11,600 X 11,600
1,298,416 25,775 X 25,775
ROYAL BANK OF CANADA COMMON 780087102 1,997 45 X 45
120,478 2,715 X 2,715
ROYAL DUTCH PETE CO COMMON 780257804 87,199,825 1,447,300 X 1,447,300
ROYAL OAK MINES INC COMMON 78051D105 8,204 X 8,204
ROYAL OAK MINES COMMON 78051D998 390 39,007 X 39,007
RUSSELL CORP COMMON 782352108 2,020,200 103,600 X 103,600
SBC COMMUNICATIONS INC COMMON 78387G103 70,539,600 1,216,200 X 1,216,200
SCI SYS INC COMMON 783890106 109,834,200 2,318,400 X 2,318,400
SFX ENTERTAINMENT INC - CL A COMMON 784178105 224,000 3,500 X 3,500
620,800 9,700 X 9,700
1,398,720 21,855 X 21,855
SM&A CORPORATION COMMON 784432106 8,542,288 1,120,300 X 1,120,300
2,013,557 264,073 X 264,073
SPX CORP COMMON 784635104 11,523 138 X 138
Total 317,450,925
<PAGE>
06/30/1999 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
ST PAUL COS INC COMMON 792860108 63,076,871 1,982,770 X 1,982,770
22,660,266 712,307 X 712,307
SANMINA CORP COMMON 800907107 311,088 4,100 X 4,100
87,977,063 1,159,500 X 1,159,500
9,049,915 119,274 X 119,274
SANTA FE SNYDER CORP COMMON 80218K105 6,721,600 840,200 X 840,200
55,200 6,900 X 6,900
SARA LEE CORP COMMON 803111103 61,287,559 2,701,380 X 2,701,380
122,966 5,420 X 5,420
SCHEIN PHARMACEUTICAL INC COMMON 806416103 6,856,325 568,400 X 568,400
881,395 73,069 X 73,069
SCHERING PLOUGH CORP COMMON 806605101 65,089,500 1,239,800 X 1,239,800
947,100 18,040 X 18,040
1,659,000 31,600 X 31,600
SCHLUMBERGER LTD COMMON 806857108 95,518,513 1,499,800 X 1,499,800
1,073,771 16,860 X 16,860
1,885,150 29,600 X 29,600
SCHWEITZER-MAUDUIT INTL INC COMMON 808541106 10,500 700 X 700
SEAGATE TECHNOLOGY COMMON 811804103 42,642,563 1,664,100 X 1,664,100
SEALED AIR CORP COMMON 81211K100 11,852,663 182,700 X 182,700
193,652 2,985 X 2,985
SEARS ROEBUCK & CO COMMON 812387108 67,533,355 1,515,475 X 1,515,475
25,809,664 579,179 X 579,179
SERVICE CORP INTL COMMON 817565104 4,293 223 X 223
SHERWIN WILLIAMS CO COMMON 824348106 19,425 700 X 700
SIEBEL SYS INC COMMON 826170102 7,373,950 111,200 X 111,200
140,251 2,115 X 2,115
SINCLAIR BROADCAST GROUP INC COMMON 829226109 34,117,313 2,083,500 X 2,083,500
SMART MODULAR TECH INC COMMON 831690102 85,889,838 4,943,300 X 4,943,300
SNYDER COMMUNICATIONS INC COMMON 832914105 383,175 11,700 X 11,700
15,608,650 476,600 X 476,600
2,808,968 85,770 X 85,770
Total 719,561,538
<PAGE>
06/30/1999 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
SOCIETE GENERALE FRANCE COMMON 83364L109 92,003 2,610 X 2,610
336,461 9,545 X 9,545
SOFTNET SYSTEMS COMMON 833964109 7,258,650 260,400 X 260,400
SOFTWARE.COM INC COMMON 83402P104 4,447,363 191,800 X 191,800
51,013 2,200 X 2,200
SOLA INTL INC COMMON 834092108 16,142,844 830,500 X 830,500
1,289,523 66,342 X 66,342
SOLECTRON CORP COMMON 834182107 2,520,788 37,800 X 37,800
66,688 1,000 X 1,000
SOMNUS MED TECHNOLOGIES INC COMMON 835397100 712,400 219,200 X 219,200
SONAT INC COMMON 835415100 68,582,000 2,070,400 X 2,070,400
SOUTHTRUST CORP COMMON 844730101 253,275 6,600 X 6,600
6,768,237 176,371 X 176,371
1,697,518 44,235 X 44,235
STAGE STORES INC COMMON 85254C107 8,155,420 1,254,680 X 1,254,680
230,425 35,450 X 35,450
STAMPS.COM INC COMMON 852857101 3,500,000 200,000 X 200,000
STANLEY WKS COMMON 854616109 1,448,438 45,000 X 45,000
STATE STR CORP COMMON 857477103 59,763 700 X 700
STEINWAY MUSICAL INSTRS INC COMMON 858495104 1,579,400 59,600 X 59,600
STEWART & STEVENSON SVCS INC COMMON 860342104 11,358,536 744,822 X 744,822
572,104 37,515 X 37,515
STEWART ENTERPRISES INC COMMON 860370105 17,875,090 1,227,474 X 1,227,474
4,633,802 318,201 X 318,201
STORAGE TECHNOLOGY CORP COMMON 862111200 25,739,350 1,131,400 X 1,131,400
STRUCTURAL DYNAMICS RESH CORP COMMON 863555108 112,102,650 6,039,200 X 6,039,200
8,141,253 438,586 X 438,586
SUIZA FOODS CORP COMMON 865077101 2,248,688 53,700 X 53,700
58,625 1,400 X 1,400
SUMMIT BANCORP COMMON 866005101 106,911,845 2,556,935 X 2,556,935
Total 414,834,147
<PAGE>
06/30/1999 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
33,081,381 791,184 X 791,184
SUN MICROSYSTEMS INC COMMON 866810104 28,638,225 415,800 X 415,800
SUNGARD DATA SYS INC COMMON 867363103 376,050 10,900 X 10,900
77,513,979 2,246,782 X 2,246,782
8,447,981 244,869 X 244,869
SUNRISE ASSISTED LIVING INC COMMON 86768K106 13,712,850 393,200 X 393,200
2,663,404 76,370 X 76,370
SYMANTEC CORP COMMON 871503108 58,285,350 2,285,700 X 2,285,700
SYMBOL TECHNOLOGIES INC COMMON 871508107 1,034,344 28,050 X 28,050
27,656 750 X 750
SYNOPSYS INC COMMON 871607107 452,538 8,200 X 8,200
216,125,288 3,916,200 X 3,916,200
2,522,621 45,710 X 45,710
TJX COS INC NEW COMMON 872540109 579,638 17,400 X 17,400
11,476,156 344,500 X 344,500
3,542,784 106,350 X 106,350
TSI INTL SOFTWARE LTD COMMON 872879101 3,064,500 108,000 X 108,000
TANDY CORP COMMON 875382103 127,891,213 2,616,700 X 2,616,700
55,129,045 1,127,960 X 1,127,960
TECH DATA CORP COMMON 878237106 19,867,050 519,400 X 519,400
TEKELEC COMMON 879101103 20,234,906 1,660,300 X 1,660,300
TELECOM ITALIA SPA COMMON 87927W106 457,040 4,345 X 4,345
TELEFONICA DE ESPANA S A COMMON 879382208 85,333 580 X 580
297,928 2,025 X 2,025
TELEPHONE & DATA SYS INC COMMON 879433100 2,062,125 28,200 X 28,200
7,313 100 X 100
TELESP PARTICIPACOES SA-ADR COMMON 87952K100 73,543 3,215 X 3,215
449,494 19,650 X 19,650
TELLABS INC COMMON 879664100 70,156,900 1,038,400 X 1,038,400
TELSTRA CORP-ADR (FINAL) COMMON 87969N204 96,436 845 X 845
599,727 5,255 X 5,255
TENNECO INC NEW COMMON 88037E101 4,775 200 X 200
Total 758,957,569
<PAGE>
06/30/1999 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
TERADYNE INC COMMON 880770102 150,352,125 2,095,500 X 2,095,500
TEVA PHARMACEUTICAL-SP ADR COMMON 881624209 14,523,600 296,400 X 296,400
151,900 3,100 X 3,100
TEXACO INC COMMON 881694103 83,753,719 1,342,745 X 1,342,745
29,413,992 471,567 X 471,567
3DO CO COMMON 88553W105 14,138,625 3,057,000 X 3,057,000
TIFFANY & CO NEW COMMON 886547108 386,000 4,000 X 4,000
945,700 9,800 X 9,800
2,302,008 23,855 X 23,855
TIME WARNER INC COMMON 887315109 32,278,181 444,450 X 444,450
TOTAL RENAL CARE HLDGS INC COMMON 89151A107 172,744 11,100 X 11,100
45,159,729 2,901,830 X 2,901,830
8,555,033 549,721 X 549,721
TRANS WORLD ENTMT CORP COMMON 89336Q100 6,242,794 554,915 X 554,915
487,800 43,360 X 43,360
TRANSACTION SYS ARCHITECTS COMMON 893416107 241,800 6,200 X 6,200
12,386,400 317,600 X 317,600
1,575,210 40,390 X 40,390
TRIANGLE PHARMACEUTICALS INC COMMON 89589H104 4,656,600 258,700 X 258,700
50,400 2,800 X 2,800
TRICON GLOBAL RESTAURANTS COMMON 895953107 4,330 80 X 80
TRIBUNE CO NEW COMMON 896047107 1,472,413 16,900 X 16,900
6,534 75 X 75
TRUE NORTH COMMUNICATIONS INC COMMON 897844106 7,580,746 254,815 X 254,815
427,954 14,385 X 14,385
TYCO INTL LTD NEW COMMON 902124106 76,861,579 811,204 X 811,204
2,571,041 27,135 X 27,135
4,510,100 47,600 X 47,600
UCAR INTL INC COMMON 90262K109 45,713,863 1,810,450 X 1,810,450
8,323,132 329,629 X 329,629
UST INC COMMON 902911106 11,725 400 X 400
USA NETWORKS INC COMMON 902984103 67,462,163 1,681,300 X 1,681,300
Total 622,719,940
<PAGE>
06/30/1999 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
U S FOODSERVICE COMMON 90331R101 60,101,250 1,410,000 X 1,410,000
11,641,186 273,107 X 273,107
U S XPRESS ENTERPRISES INC COMMON 90338N103 4,406,542 412,308 X 412,308
897,087 83,938 X 83,938
UNILEVER N V - W/I COMMON 904784709 24,948,110 357,679 X 357,679
UNICOM CORP COMMON 904911104 59,802,725 1,550,800 X 1,550,800
UNIGRAPHICS SOLUTIONS INC COMMON 904928108 8,947,225 475,600 X 475,600
47,031 2,500 X 2,500
UNION PAC RES GROUP INC COMMON 907834105 9,788 600 X 600
UNIPHASE CORP COMMON 909149106 3,784,800 22,800 X 22,800
70,550 425 X 425
UNISYS CORP COMMON 909214108 32,388,213 831,800 X 831,800
UNITED HEALTHCARE CORP COMMON 910581107 82,343,108 1,314,860 X 1,314,860
24,948,861 398,385 X 398,385
UNITED RENTALS INC COMMON 911363109 209,450 7,100 X 7,100
4,422,050 149,900 X 149,900
1,185,900 40,200 X 40,200
UNITED TECHNOLOGIES CORP COMMON 913017109 292,199,976 4,058,333 X 4,058,333
47,665,080 662,015 X 662,015
1,224,000 17,000 X 17,000
UNIVERSAL STAINLESS & ALLOY COMMON 913837100 3,239,694 563,425 X 563,425
175,116 30,455 X 30,455
UNIVISION COMMUNICATIONS INC COMMON 914906102 390,000 6,000 X 6,000
8,872,500 136,500 X 136,500
2,333,500 35,900 X 35,900
UNOCAL CORP COMMON 915289102 4,406,300 111,200 X 111,200
URBAN OUTFITTERS INC COMMON 917047102 5,738,550 228,400 X 228,400
291,450 11,600 X 11,600
VALASSIS COMMUNICATIONS INC COMMON 918866104 340,613 9,300 X 9,300
785,606 21,450 X 21,450
1,992,400 54,400 X 54,400
VALEO COMMON 919134304 104,363 1,265 X 1,265
Total 689,913,022
<PAGE>
06/30/1999 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
633,435 7,678 X 7,678
VARIAN SEMICONDUCTOR EQUIP COMMON 922207105 159,800 9,400 X 9,400
391,000 23,000 X 23,000
986,000 58,000 X 58,000
VEECO INSTRS INC DEL COMMON 922417100 72,938,500 2,145,250 X 2,145,250
4,333,980 127,470 X 127,470
VIATEL INC COMMON 925529208 1,836,635 32,724 X 32,724
CONVERT 925529307 2,318 23 X 23
VIANT CORP COMMON 92553N107 700,000 20,000 X 20,000
VISIO CORP COMMON 927914101 50,486,100 1,326,400 X 1,326,400
992,099 26,065 X 26,065
VISHAY INTERTECHNOLOGY INC COMMON 928298108 X
VITESSE SEMICONDUCTOR CORP COMMON 928497106 10,776,513 159,800 X 159,800
199,615 2,960 X 2,960
WPP GROUP PLC COMMON 929309300 188,221 2,195 X 2,195
1,189,867 13,876 X 13,876
WABASH NATL CORP COMMON 929566107 19 1 X 1
WAL MART STORES INC COMMON 931142103 136,172,115 2,822,220 X 2,822,220
1,273,752 26,399 X 26,399
2,074,750 43,000 X 43,000
WARNER LAMBERT CO COMMON 934488107 31,876,994 461,150 X 461,150
592,401 8,570 X 8,570
1,976,975 28,600 X 28,600
WASHINGTON MUT INC COMMON 939322103 139,342,695 3,918,248 X 3,918,248
25,995,512 730,981 X 730,981
WASTE CONECTIONS INC COMMON 941053100 9,531,250 312,500 X 312,500
54,900 1,800 X 1,800
WASTE MANAGEMENT INC COMMON 94106L109 5,170,750 96,200 X 96,200
551,475 10,260 X 10,260
913,750 17,000 X 17,000
WEATHERFORD INTERNATIONAL COMMON 947074100 2,512,475 68,600 X 68,600
69,588 1,900 X 1,900
WELLS FARGO CO COMMON 949746101 33,355,688 780,250 X 780,250
Total 537,279,170
<PAGE>
06/30/1999 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
1,065,287 24,919 X 24,919
1,833,975 42,900 X 42,900
WESTPAC BKG CORP COMMON 961214301 85,607 2,565 X 2,565
527,659 15,810 X 15,810
WET SEAL INC COMMON 961840105 6,633,014 231,721 X 231,721
599,837 20,955 X 20,955
WILLIAMS COS INC DEL COMMON 969457100 80,881,519 1,900,300 X 1,900,300
WILLIAMS-SONOMA INC COMMON 969904101 264,575 7,600 X 7,600
13,054,688 375,000 X 375,000
1,952,633 56,090 X 56,090
WILMAR INDS INC COMMON 971426101 6,045,000 465,000 X 465,000
65,000 5,000 X 5,000
WINDMERE-DURABLE HLDGS INC COMMON 973411101 10,431,399 618,157 X 618,157
807,047 47,825 X 47,825
XILINX INC COMMON 983919101 30,645,925 535,300 X 535,300
130,816 2,285 X 2,285
XEROX CORP COMMON 984121103 192,978,863 3,267,367 X 3,267,367
39,864,589 674,956 X 674,956
2,114,438 35,800 X 35,800
YOUNG & RUBICAM INC COMMON 987425105 2,026,513 44,600 X 44,600
49,981 1,100 X 1,100
ZEBRA TECHNOLOGIES CORP COMMON 989207105 49,918,781 1,298,700 X 1,298,700
10,968,102 285,349 X 285,349
ZIFF-DAVIS INC COMMON 989511100 44,522,156 2,931,500 X 2,931,500
ZIFF DAVIS INC - ZDNET COMMON 989511209 5,311,800 204,300 X 204,300
DAIMLERCHRYSLER AG COMMON D1668R123 64,827,422 728,398 X 728,398
AMDOCS LTD COMMON G02602103 35,756,175 1,571,700 X 1,571,700
ESG RE LTD COMMON G31215109 2,118,000 141,200 X 141,200
FRESH DEL MONTE PRODUCE INC COMMON G36738105 5,823,173 412,260 X 412,260
237,653 16,825 X 16,825
RENAISSANCE RE HLDGS LTD COMMON G7496G103 7,336,360 198,280 X 198,280
471,195 12,735 X 12,735
Total 619,349,181
<PAGE>
06/30/1999 FORM 13F J. & W. SELIGMAN & CO. INCORPORATED Page 35
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
RSL COMMUNICATIONS LTD COMMON G7702U102 24,888,019 1,288,700 X 1,288,700
STIRLING COOKE BROWN HLDGS LTD COMMON G84951105 1,174,388 284,700 X 284,700
HILFIGER TOMMY CORP COMMON G8915Z102 7,797,463 106,450 X 106,450
TRANSOCEAN OFFSHORE INC COMMON G90076103 99,750 3,800 X 3,800
4,837,875 184,300 X 184,300
628,556 23,945 X 23,945
ORCKIT COMMUNICATIONS LTD COMMON IL0009030 12,687,500 500,000 X 500,000
SBS BROADCASTING SA COMMON L8137F102 225,750 7,000 X 7,000
28,660,575 888,700 X 888,700
5,191,379 160,973 X 160,973
CHECK POINT SOFTWARE TECH LTD COMMON M22465104 215,636,850 4,021,200 X 4,021,200
GILAT SATELLITE NETWORKS LTD COMMON M51474100 71,305,500 1,358,200 X 1,358,200
ORBOTECH LTD COMMON M75253100 94,643,363 1,815,700 X 1,815,700
TECNOMATIX TECHNOLOGIES LTD COMMON M8743P105 24,682,000 1,410,400 X 1,410,400
ASM LITHOGRAPHY HOLDING NV ADR COMMON N07059111 80,435,313 1,354,700 X 1,354,700
CREATIVE TECHNOLOGY LTD COMMON Y1775U107 127,411,688 9,481,800 X 9,481,800
Total 700,305,967
Grand Total 22,322,258,439
Total Number of Securities 592
</TABLE>
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