Investor AB

Investor AB as of June 30, 2011

Portfolio Holdings for Investor AB

Investor AB holds 8 positions in its portfolio as reported in the June 2011 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Nasdaq Omx (NDAQ) 87.0 $456M 18M 25.30
ChinaCache International Holdings 6.2 $32M 3.5M 9.26
Dresser-Rand 2.1 $11M 201k 53.75
ISTA Pharmaceuticals 1.7 $8.8M 1.2M 7.64
Corcept Therapeutics Incorporated (CORT) 1.4 $7.3M 1.8M 3.99
Constant Contact 0.9 $4.6M 180k 25.38
Achillion Pharmaceuticals 0.5 $2.6M 351k 7.44
NYSE Euronext 0.3 $1.7M 50k 34.28