BFA
ONCE

BlackRock Fund Advisors’s Spark Therapeutics, Inc. Common Stock ONCE Stock Holding History

BlackRock Fund Advisors’s Portfolio ONCE Stock Details ONCE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2016
Q4 		$50.3M Buy
1,007,040
+112,525
+13% +$6.03M 0.01% 1686
2016
Q3 		$53.7M Buy
894,515
+135,009
+18% +$7.78M 0.01% 1524
2016
Q2 		$38.8M Buy
759,506
+194,041
+34% +$8.29M 0.01% 1657
2016
Q1 		$16.7M Buy
565,465
+77,030
+16% +$2.43M ﹤0.01% 2084
2015
Q4 		$22.1M Buy
488,435
+296,603
+155% +$15.5M 0.01% 1983
2015
Q3 		$8.01M Sell
191,832
-1,983
-1% -$103K ﹤0.01% 2514
2015
Q2 		$11.7M Sell
193,815
-9,476
-5% -$627K ﹤0.01% 2417
2015
Q1 		$15.8M Buy
+203,291
New +$11.7M ﹤0.01% 2193

Other funds holding ONCE

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
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
SMV
Sofinnova Management VIII Menlo Park, California $183M AUM 4.18% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return