EC
XLRN

EcoR1 Capital’s Acceleron Pharma XLRN Stock Holding History

EcoR1 Capital’s Portfolio XLRN Stock Details XLRN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2016
Q3 		– Sell
-371,381
Closed -$12.6M – 47
2016
Q2 		$12.6M Buy
371,381
+101,092
+37% +$3.29M 5.76% 7
2016
Q1 		$7.13M Buy
+270,289
New +$7.86M 2.88% 15

Other funds holding XLRN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
PVMCI
Polaris Venture Management Co IV Boston, Massachusetts $62.4M AUM 33.04% 1-Year Est. Return
ORI
Oak Ridge Investments Chicago, Illinois $1.51B AUM 37.25% 1-Year Est. Return
BFA
BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return
NHAS
Novo Holdings A/S Hellerup, Denmark $1.23B AUM 81.32% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $761B AUM 31.28% 1-Year Est. Return
GIM
Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return