<PAGE>
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, 1999
Check here if Amendment [ ]; Amendment Number:
This Amendment (Check only one): [ ] is a restatement
[ ] adds new holding entries
Institutional Investment Manager Filing this Report:
Name: LONGWOOD INVESTMENT ADVISORS INC/PA
Address: 3 RADNOR CORPORATE CENTER
SUITE 300
RADNOR, PA 19087
13F File Number: 801-49599
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: John P. McNiff
Title: President
Place: Radnor, PA 19087
Phone : 610-995-9559
Signature, Place and Date of Signing
John P. McNiff Radnor, PA November 10, 1999
<PAGE>
Report Type (Check only one):
[X] 13F HOLDINGS REPORT
[ ] 13F NOTICE
[ ] 13F COMBINATION REPORT
List of Other Managers Reporting for this Manager:
I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES AND EXCHANGE ACT OF 1934.
<PAGE>
FORM 13F SUMMARY PAGE
REPORT SUMMARY:
Number of Other Included Managers: 0
Form 13F Information Table Entry Total: 42
Form 13F Information Table Value Total: 83,366
List of Other Included Managers:
No. 13F File Number Name
- --- --------------- ----
<PAGE>
<TABLE>
<CAPTION>
Form 13F Information Table Voting Authority
Name of Issuer Title Cusip Value Shares/ SH/ PUT/ Invstmt Other
of (x1000) PRN AMT PRN CALL Dscretn Managers Sole Shared None
Class
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
BANCO LATINOAMERICANO DE COM P16994132 874 38200 SH SOLE 38200
FOREST OIL CORP COM 346091606 1459 85500 SH SOLE 85500
GST TELECOMMUNICATIONS INC. COM 361942105 2192 311700 SH SOLE 311700
SCOTTISH ANNUITY & LIFE COM 2200 225600 SH SOLE 225600
ARDENT SOFTWARE INC COM 039794102 1078 40000 SH SOLE 40000
ARTESYN TECHNOLOGIES INC NEW COM 043127109 28 1500 SH SOLE 1500
ASPEN TECHNOLOGY COM 045327103 260 26700 SH SOLE 26700
AVT CORPORATION COM 03828M105 4389 143300 SH SOLE 143300
BARRINGER TECHNOLOGIES INC COM 068509603 195 38550 SH SOLE 38550
BASIN EXPLORATION INC COM 070107107 240 10000 SH SOLE 10000
BJ SERVICES CO COM 055482103 2970 93350 SH SOLE 93350
CAREMATRIX CORP COM 141706101 550 106100 SH SOLE 106100
CLINTRIALS INC COM 188767107 4933 896900 SH SOLE 896900
COLUMBIA LABORATORIES INC COM 197779101 4042 538900 SH SOLE 538900
COMMSCOPE INC COM 203372107 2844 87500 SH SOLE 87500
CYTYC CORP COM 232946103 1698 43900 SH SOLE 43900
CIMA LABS INC COM 171796105 1673 239000 SH SOLE 239000
DIVERSINET CORP COM 25536K204 764 75000 SH SOLE 75000
ESS TECHNOLOGY INC COM 269151106 3958 298700 SH SOLE 298700
FREESHOP.COM INC COM 356873109 81 7000 SH SOLE 7000
GENZYME-GENL COM 372917104 2028 45000 SH SOLE 45000
HARBINGER CORP COM 41145C103 5873 348000 SH SOLE 348000
ILEX ONOCOLOGY INC COM 451923106 3136 256000 SH SOLE 256000
INFORMIX CORP COM 456779107 1786 225000 SH SOLE 225000
LIPOSOME CO INC COM 536310105 1487 195400 SH SOLE 195400
OCEAN ENERGY INC COM 674812102 2861 280750 SH SOLE 280750
PRE-PAID LEGAL SERVICES INC COM 740065107 5757 146200 SH SOLE 146200
RSA SECURITY INC COM 749719100 3392 127700 SH SOLE 127700
S3 INC COM 784849101 2714 260000 SH SOLE 260000
SMITH INTERNATIONAL INC COM 832110100 2487 61400 SH SOLE 61400
SUPERIOR INDUSTRIES INTL COM 868168105 56 2000 SH SOLE 2000
TEKELEC INC COM 879101103 2376 172000 SH SOLE 172000
TELESCAN, INC. COM 879516102 822 50000 SH SOLE 50000
TITAN EXPLORATION INC COM 888289105 518 105000 SH SOLE 105000
TMBR/SHARP DRILLING COM 87257P101 182 23500 SH SOLE 23500
VARCO INTERNATIONAL COM 922126107 3472 284900 SH SOLE 284900
VELVET EXPLORATION LTD COM 922582101 898 231600 SH SOLE 231600
VOLT INFORMATION SCIENCES INC COM 928703107 291 12000 SH SOLE 12000
XIRCOM COM 983922105 3628 85000 SH SOLE 85000
BERKLEY PETROLEUM CORP COM 1000 100000 SH SOLE 100000
POST ENERGY CORP NEW COM 497 100000 SH SOLE 100000
ULSTER PETROLEUMS LTD NEW COM 1677 155500 SH SOLE 155500
</TABLE>
