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SECURITIES AND EXCHANGE COMMISSION
FORM 13F-E
Report for the Calendar Year or Quarter Ended: 03/31/98
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:
FREDRIK NILERT VP, TREAS., & SEC. (212) 508-0900
Signature, Place and Date of Signing:
/s/ FREDRIK NILERT NEW YORK NY 05/15/98
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
07 SAAB SCANIA AB
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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
Metromedia Intl. Group Inc. COM 591695101 2137 150000 SH DEFINED 0105 150000
Swedish Match Co. COM 870309507 3167 950000 SH DEFINED 01 950000
UST Inc. COM 902911106 983 30000 SH DEFINED 01 30000
Astra AB COM CL A 046298105 3393206 82250515 SH DEFINED 0102 82137002 227026
Astra AB COM CL A 046298105 3393206 82250515 SH DEFINED 0102 82137002 227026
Astra AB COM CL B 046298204 54939 2835901 SH DEFINED 010206 2490501 345400
Scania Aktiebolag COM CL A 806018107 1114793 45504200 SH DEFINED 07 26704200 18800000
Scania Aktiebolag COM CL B 806018206 1128811 45841886 SH DEFINED 02 45558586 283300
Ericsson LM Telephone Co. COM CL B 294821400 524689 11018500 SH DEFINED 0206 10638500 380000
Forest Labs Inc. COM CL A 345838106 564 564219 SH DEFINED 04 564219
MedImmune, Inc. COM 584699102 90563 1619000 SH DEFINED 04 1619000
Neuromedical Systems, Inc. COM 64124H109 2722 1088830 SH DEFINED 04 1088830
Sylvan Learning Systems, Inc. COM 871399101 31938 685000 SH DEFINED 04 685000
Aracruz Celulose S.A. ADR CL B 038496204 3118 202000 SH DEFINED 02 202000
Asia Pulp & Paper Ltd. COM 04516V100 2194 150000 SH DEFINED 02 150000
Checkpoint Systems Inc. COM 162825013 3505 168400 SH DEFINED 02 168400
Kulicke Soffa Inds. Inc. COM 501242101 1398 65000 SH DEFINED 02 65000
SCI Systems Inc. COM 783890106 1144 30000 SH DEFINED 02 30000
Symbol Technologies Inc. COM 871508107 1244 37500 SH DEFINED 02 37500
Zygo Corp. COM 989855101 646 42000 SH DEFINED 02 42000
Cytotherapeutics Inc. COM 232923102 320 102500 SH DEFINED 03 102500
Gilead Sciences COM 375558103 2712 70000 SH DEFINED 03 70000
Human Genome Sciences, Inc. COM 444903108 794 20000 SH DEFINED 03 20000
Millennium Pharm. Inc. COM 599902103 4166 215000 SH DEFINED 03 215000
Sola Intl. Inc. COM 834092108 1941 47844 SH DEFINED 03 47844
Cambridge Tech Partners COM 132524109 2977 60000 SH DEFINED 05 60000
Industri-Matemotik Intl. Corp. COM 455792101 2620 80000 SH DEFINED 05 80000
Saville Systems PLC COM 805174109 2948 60000 SH DEFINED 05 60000
Sitel Corp. COM 81980K107 2193 175400 SH DEFINED 05 175400
Walsh Intl. Inc. COM 933131104 810 52500 SH DEFINED 05 52500
Mettler - Toledo Intl. Inc. COM CL A 592688105 24970 158034 SH DEFINED 03 1158034
Agouron Pharmaceuticals, Inc. COM 008488108 570 15000 SH DEFINED 03 15000
Vivus Inc. COM 928551100 500 40000 SH DEFINED 03 40000
Pharmacyclics Inc. COM 716933106 2636 95000 SH DEFINED 03 95000
Aktiebolag Electrolux COM 10198208 72244 873500 SH DEFINED 02 833000 40500
Robotic Vision Sys. Inc. COM 771074951 1615 142000 SH DEFINED 02 142000
ABB AB, CLB COM CL B 00256Q103 6955 500,000 SH DEFINED 06 7160000
Alkermes Inc. COM 01642T108 480 20000 SH DEFINED 03 20000
Minimed COM 60365K108 840 20000 SH DEFINED 03 20000
Novellus Sys Inc COM 670008101 1423 33000 DEFINED 02
REPORT SUMMARY 40 DATA RECORDS 9888681 7 OTHER MANAGERS ON WHOSE BEHALF REPORT IS FILED
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