Investor AB

Investor AB as of March 31, 2012

Portfolio Holdings for Investor AB

Investor AB holds 14 positions in its portfolio as reported in the March 2012 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Nasdaq Omx (NDAQ) 68.1 $491M 19M 25.90
Greenway Medical Technology 14.9 $107M 7.0M 15.28
Tangoe 5.1 $37M 1.9M 18.81
ChinaCache International Holdings 2.8 $20M 3.6M 5.66
Mattersight Corp 2.8 $20M 2.4M 8.50
ISTA Pharmaceuticals 1.4 $10M 1.2M 9.01
Corcept Therapeutics Incorporated (CORT) 1.4 $9.7M 2.5M 3.93
Dresser-Rand 1.3 $9.3M 201k 46.39
Raptor Pharmaceutical 0.8 $5.5M 807k 6.76
Constant Contact 0.7 $5.4M 180k 29.79
NYSE Euronext 0.2 $1.7M 55k 30.02
Cme (CME) 0.2 $1.4M 5.0k 289.40
Varian Medical Systems 0.2 $1.4M 20k 68.95
ValueClick 0.1 $1.1M 56k 19.73