Selkirk Management LLC_____

Selkirk Management LLC_____ as of Dec. 31, 2012

Portfolio Holdings for Selkirk Management LLC_____

Selkirk Management LLC_____ holds 17 positions in its portfolio as reported in the December 2012 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
NewStar Financial 11.9 $12M 860k 14.01
Macquarie Infrastructure Company 10.8 $11M 241k 45.56
Celgene Corporation 10.7 $11M 138k 78.47
Iron Mountain Incorporated 7.1 $7.2M 232k 31.05
American Tower Reit (AMT) 6.8 $6.9M 89k 77.27
Equinix 6.3 $6.4M 31k 206.19
priceline.com Incorporated 6.2 $6.3M 10k 620.34
Apple (AAPL) 6.0 $6.1M 12k 532.14
Visa (V) 5.2 $5.2M 35k 151.59
MasterCard Incorporated (MA) 5.1 $5.2M 11k 491.24
Google 5.0 $5.1M 7.2k 707.42
Carter's (CRI) 4.0 $4.1M 73k 55.64
BlackRock (BLK) 3.7 $3.7M 18k 206.72
EMC Corporation 3.6 $3.7M 145k 25.30
Invesco (IVZ) 3.5 $3.6M 137k 26.09
Amazon (AMZN) 2.4 $2.5M 9.8k 250.92
FleetCor Technologies 1.6 $1.7M 31k 53.65