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PAGE 1 SECURITIES AND EXCHANGE COMMISSION FORM 13F-E Report for the Calendar Year or Quarter Ended: 12/31/98 Institutional Investment Manager: INVESTOR AB ARSENALSGATAN 8C, S-103 32 STOCKHOLM SWEDEN V7 NA I REPRESENT THAT I AM AUTHORIZED TO SUBMIT THIS FORM AND THAT ALL INFORMATION IN THIS FORM AND THE ATTACHMENTS TO IT IS TRUE, CORRECT AND COMPLETE, AND I UNDERSTAND THAT ALL REQUIRED ITEMS, STATEMENTS AND SCHEDULES ARE INTEGRAL PARTS OF THIS FORM AND THAT THE SUBMISSION OF ANY AMENDMENT REPRESENTS THAT ALL UNAMENDED ITEMS, STATEMENTS AND SCHEDULES REMAIN TRUE, CORRECT AND COMPLETE AS PREVIOUSLY SUBMITTED. I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934. Name, Title and Telephone Number of Person Submitting Report: GUJE HOLMBERG MANAGING DIRECTOR (212) 508-0900 Signature, Place and Date of Signing: /s/ GUJE HOLMBERG NEW YORK NY 02/12/99 Other Managers on Whose Behalf this Report is Filed: 01 AB CATOR 02 EXTORIA TRADE AB 03 INVESTOR INTERNATIONAL (U.S.), INC. 04 INVESTOR INVESTMENTS AB 05 INVESTOR UK, LTD. 06 INVESTORS TRADING AB PAGE 2 VALUE SHARES/ SH/ PUT/ INVSTMT -----VOTING AUTHORITY----- NAME OF ISSUER -TITLE OF CLASS- --CUSIP-- (x$1000) PRN AMT PRN CALL DSCRETN -MANAGERS- SOLE SHARED NONE Aktiebolag Electrolux COM 10198208 72042 4165000 SH SOLE 4165000 Alkermes Inc. COM 01642T108 1331 60000 SH DEFINED 03 60000 Aris Corporation Inc. COM 0404A101 1015 85000 SH DEFINED 03 85000 Astra AB COM CL A 046298105 1808703 88336249 SH DEFINED 0206 86324302 2011947 Astra AB COM CL A 046298105 1808703 88336248 SH DEFINED 0206 86324302 2011946 Astra AB COM CL B 046298204 100839 5007434 SH DEFINED 0206 3606301 1401133 Asymetrix Learning Sys. Inc. COM 045927100 525 120000 SH DEFINED 03 120000 Boston Scientific Corp COM 101137107 536 20000 SH DEFINED 03 20000 Checkfree Hdgs Corp. COM 162816102 1753 75000 SH DEFINED 05 75000 Checkpoint Systems Inc. COM 162825013 10812 882600 SH DEFINED 02 882600 Coulter Pharmaceutical Inc. COM 222116105 375 12500 SH DEFINED 03 12500 Cyberonics Inc. COM 23251P102 709 52500 SH DEFINED 03 52500 Cytotherapeutics Inc. COM 232923102 77 52500 SH DEFINED 03 52500 Ericsson LM Telephone Co. COM CL B 294821400 649645 27147000 SH SOLE 27147000 Human Genome Sciences, Inc. COM 444903108 1778 50000 SH DEFINED 03 50000 Idec Pharmaceuticals COM 449370105 1175 25000 SH DEFINED 03 25000 JDA Software COM 46612k108 262 27000 SH DEFINED 05 27000 MedImmune, Inc. COM 584699102 160989 3238000 SH SOLE 3238000 Metromedia Intl. Group Inc. COM 591695101 544 100000 SH DEFINED 05 100000 Minimed, Inc. COM 60365K108 6076 58000 SH DEFINED 03 58000 Neuromedical Systems, Inc. COM 64124H109 176 782830 SH DEFINED 04 782830 Pharmacyclics Inc. COM 716933106 6694 262500 SH DEFINED 03 262500 Remedy Corp COM 759548100 753 54000 SH DEFINED 05 54000 Saville Systems PLC COM 805174109 2280 120000 SH DEFINED 05 120000 Scania Aktiebolag COM CL A 806018107 840688 45504200 SH SOLE 45504200 Scania Aktiebolag COM CL B 806018206 859910 46234345 SH DEFINED 06 45541345 693000 SCI Systems Inc. COM 783890106 24908 431300 SH DEFINED 02 431300 Sitel Corp. COM 81980K107 428 175400 SH DEFINED 05 175400 Sola Intl. Inc. COM 834092108 825 47844 SH DEFINED 03 47844 Sylvan Learning Systems, Inc. COM 871399101 74725 2450000 SH SOLE 2450000 Xomed COM 98412V107 360 11250 SH DEFINED 03 11250 REPORT SUMMARY 31 DATA RECORDS 6439636 6 OTHER MANAGERS ON WHOSE BEHALF REPORT IS FILED