UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F
FORM 13f Cover Page
Report for the Calendar Year or Quarter Ended: September 30, 2000
Seneca Capital Advisors LLC
--------------------------------------------------------------------------------
Name of Institutional Investment Manager
527 Madison Avenue, 11th Floor New York New York 10022
--------------------------------------------------------------------------------
Business Address (Street) (City) (State) (Zip)
13F File Number: 28-03497
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, and tables, are considered integral parts of this form.
Name, Title and Telephone Number of Person Submitting Report:
Greg Grimmelbein Manager (212) 371-1300
--------------------------------------------------------------------------------
Name (Title) (Phone)
Signature, Place and Date of Signing:
/s/ Greg Grimmelbein
-------------------------
Greg Grimmelbein
527 Madison Avenue, 11th Floor
New York, New York 10022
11/01/00
Report Type:
[X] 13F HOLDINGS REPORT.
[ ] 13F NOTICE.
[ ] 13F COMBINATION REPORT.
<PAGE>
Form 13F SUMMARY PAGE
Number of Other Included Managers: One (1)
---------------
List of Other Included Managers:
Seneca Capital Investments, LLC
-------------------------------
Form 13F Information Table Entry Total: 91
-----
Form 13F Information Table Value Total: $750,777,000
--------------
<PAGE>
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 13F
INFORMATION TABLE
SENECA CAPITAL ADVISORS LLC
FORM 13F INFORMATION TABLE
AS OF DATE: 09/30/00
<TABLE>
<CAPTION>
------------------------------------------------------------------------------------------------------------------------------------
ITEM 1 ITEM 2 ITEM 3 ITEM 4 ITEM 5 ITEM 6 ITEM 7 ITEM 8
VALUE SHARES/ PUT/ INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT CALL DSCRETN MANAGERS SOLE SHARED NONE
------------------------------ ---------------- --------- -------- -------- ---- ------- ------------ -------- -------- --------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
Harcourt General Inc COM 41163G101 4620 78300 78300 1 78300
Harmonic Inc COM 413160102 2460 102500 102500 102500
Healthaxis Inc COM 42219D100 350 124400 124400 124400
Healthaxis Inc COM 42219D100 695 247200 247200 1 247200
Hertz Corp COM 428040109 2753 86700 CLA 86700 86700
Hertz Corp COM 428040109 5185 163300 CLA 163300 1 163300
Hertz Corp COM 428040909 276 8700 CALL 8700 8700
Hertz Corp COM 428040909 518 16300 CALL 16300 1 16300
Hilton Hotel Corp. COM 432848109 553 47802 47802 47802
Imclone Systems Inc COM 45245W909 410 3500 CALL 3500 3500
Imclone Systems Inc COM 45245W909 761 6500 CALL 6500 1 6500
Infinity Broadcasting COM 45662S102 574 17400 CLA 17400 17400
Infinity Broadcasting COM 45662S102 1076 32600 CLA 32600 1 32600
Intermidia Communications COM 458801107 1502 50900 50900 50900
Intermidia Communications COM 458801107 2923 99100 99100 1 99100
International Paper COM 460146103 7559 263500 263500 263500
Interpublic Group COM 460690100 312 9024 9024 9024
Invitrogen Corp COM 4618SR950 11380 160000 PUT 160000 160000
Invitrogen Corp COM 4618SR950 21423 301200 PUT 30200 1 30200
JDS Uniphase Corp COM 46612J101 4659 49200 49200 49200
Level 8 COM 52729M102 4047 220256 WNTS 220256 220256
Level 8 COM 52729M102 6525 355075 WNTS 355075 1 355075
Lucent Technologies Inc. COM 549463107 5880 192390 192390 192390
Lycos Inc COM 550818108 6815 99100 99100 99100
Lycos Inc COM 550818108 13815 200900 200900 1 200900
Lycos Inc COM 550818908 2551 37100 CALL 37100 37100
Lycos Inc COM 550818908 4807 69900 CALL 69900 1 69900
Mallinckrodt Inc COM 561232109 7145 156600 156600 156600
Mallinckrodt Inc COM 561232109 13386 293400 293400 1 293400
Mallinckrodt Inc. PFD 561232109 10 100 100 100
Mallinckrodt Inc. PFD 561232109 20 200 200 1 200
Mediware Information Systems COM 584946107 381 64900 64900 64900
Mediware Information Systems COM 584946107 735 125100 125100 1 125100
Medronic Inc COM 585055106 10466 202000 202000 202000
Mercator Software Inc COM 587587106 288 17400 17400 17400
Mercator Software Inc COM 587587106 540 32600 32600 1 32600
Methode Electronics COM 591520200 3926 88600 CLA 88600 88600
Methode Electronics COM 591520200 7546 170300 CLA 170300 1 170300
MIPS Technologies Inc COM 604567107 2272 49400 CLA 49400 49400
MIPS Technologies Inc COM 604567107 4269 92800 CLA 92800 1 92800
MIPS Technologies COM 604567206 4628 120200 CLB 120200 120200
MIPS Technologies COM 604567206 9363 243200 CLB 243200 1 243200
Nabisco Group Holdings Corp COM 62952P102 2474 86800 86800 86800
Nabisco Group Holdings Corp COM 62952P102 4651 163200 163200 1 163200
Nabisco Group Holdings Corp COM 62952P902 1978 69400 CALL 69400 69400
Nabisco Group Holdings Corp COM 62952P902 3722 130600 CALL 130600 1 130600
Navigant International COM 63935P202 3739 356100 356100 356100
Navigant International COM 63935P202 7039 670400 670400 1 670400
Nisource Inc COM 65473P105 4483 183900 183900 183900
Nisource Inc COM 65473P105 8436 346100 346100 1 346100
NiSource Inc COM 65473P955 1556 63800 PUT 63800 63800
NiSource Inc COM 65473P955 2927 120100 PUT 120100 1 120100
Nortel Networks Corp COM 656569100 12157 204100 204100 204100
Pfizer Inc. COM 717081103 30895 687500 687500 687500
Pharmacia Corp COM 71713U102 10529 174930 174930 174930
Powertel Inc COM 73936C109 1727 22700 22700 22700
Professionals Group COM 742954100 252 11300 11300 1 11300
Qwest Communications Int'l COM 749121109 27569 573615 573615 573615
Rio Algom Ltd COM 766889109 657 34700 34700 34700
Rio Algom Ltd COM 766889109 1237 65300 65300 1 65300
Saga Systems Inc COM 786610105 533 50800 50800 50800
Saga Systems Inc COM 786610105 1058 100800 100800 1 100800
Sea Containers Ltc COM 811371707 220 9500 CLA 9500 9500
Sea Containers Ltc COM 811371707 417 18000 CLA 18000 1 18000
Seagate Technology Inc COM 811804103 9087 131700 131700 131700
Seagate Technology Inc COM 811804103 7204 104400 104400 1 104400
Seagram Co Ltd COM 811850106 2745 48000 48000 48000
Seagram Co Ltd COM 811850106 5158 90200 90200 1 90200
Shaw Ind COM 820286102 1735 93800 93800 93800
Shaw Ind COM 820286102 3256 176000 176000 1 176000
SDL Inc COM 784076101 4004 13000 13000 13000
SDL Inc COM 784076101 7546 24500 24500 1 24500
SDL Inc COM 784076901 10718 34800 CALL 34800 34800
SDL Inc COM 784076901 20082 65200 CALL 65200 1 65200
Stora Enso Corp. ADR 86210M106 2571 306420 306420 306420
Stora Enso Corp. ADR 86210M106 4987 594401 594401 1 594401
Stratos Lightwave COM 863100103 393 12200 12200 12200
Stratos Lightwave COM 863100103 735 22800 22800 1 22800
Stratos Lightwave Inc COM 863100953 3577 110900 PUT 110900 110900
Stratos Lightwave Inc COM 863100953 6876 213200 PUT 213200 1 213200
Transworld Entertainment COM 89336Q100 561 56120 56120 56120
TYCO International LTD COM 902124106 30720 592184 592184 592184
Vodafone Group Plc ADR 92857F107 13265 358500 358500 358500
Voicestream Wireless Corp COM 928615103 23236 200200 200200 200200
Voicestream Wireless Corp COM 928615103 26903 231800 231800 1 231800
VoiceStream Wireless Corp COM 928615903 4991 43000 CALL 43000 43000
VoiceStream Wireless Corp COM 928615903 9680 83400 CALL 83400 1 83400
WorldCom Inc COM 8157D956 1883 62000 PUT 62000 62000
WorldCom Inc COM 8157D956 3548 116800 PUT 116800 1 116800
Wyndham International COM 983101106 209 115100 115100 115100
Wyndham International COM 983101106 426 234900 234900 1 234900
</TABLE>
