ARTA
ONCE

A.R.T. Advisors’s Spark Therapeutics, Inc. Common Stock ONCE Stock Holding History

A.R.T. 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
2019
Q1 		– Sell
-26,124
Closed -$1.02M – 1786
2018
Q4 		$1.02M Sell
26,124
-10,900
-29% -$473K 0.07% 435
2018
Q3 		$2.02M Sell
37,024
-5,600
-13% -$383K 0.09% 289
2018
Q2 		$3.53M Buy
42,624
+23,100
+118% +$1.78M 0.14% 191
2018
Q1 		$1.3M Sell
19,524
-5,900
-23% -$341K 0.05% 555
2017
Q4 		$1.31M Buy
25,424
+17,600
+225% +$1.26M 0.06% 523
2017
Q3 		$697K Buy
+7,824
New +$594K 0.04% 702

Other funds holding ONCE

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
CC
Casdin Capital New York $2B AUM 147.21% 1-Year Est. Return
Magnetar Financial
Magnetar Financial Evanston, Illinois $11B AUM 3.37% 1-Year Est. Return
BCM
Beryl Capital Management Redondo Beach, California $111M AUM 205.39% 1-Year Est. Return
Farallon Capital Management
Farallon Capital Management San Francisco, California $21.7B AUM 79.24% 1-Year Est. Return

A.R.T. Advisors's ONCE Position: Q1 2019 in Review

A.R.T. Advisors sold out of Spark Therapeutics, Inc. Common Stock (ONCE) in Q1 2019, closing a stake of 26,124 shares — an estimated $1.02M sold.

A.R.T. Advisors first reported a position in ONCE in Q3 2017 and held it in 6 quarters. The position peaked at $3.53M in Q2 2018. 199 funds tracked by Wall St. Rank hold ONCE as of Q1 2019.

  • A.R.T. Advisors reported no remaining Spark Therapeutics, Inc. Common Stock position as of Q1 2019 after selling out during the quarter.
  • A.R.T. Advisors sold 26,124 Spark Therapeutics, Inc. Common Stock shares in Q1 2019, an estimated $1.02M.
  • A.R.T. Advisors first reported a position in Spark Therapeutics, Inc. Common Stock in Q3 2017 and held it in 6 quarters.
  • A.R.T. Advisors's Spark Therapeutics, Inc. Common Stock position peaked at $3.53M in Q2 2018.
  • 199 funds tracked by Wall St. Rank held Spark Therapeutics, Inc. Common Stock as of Q1 2019.

Based on A.R.T. Advisors's 13F filing for Q1 2019, filed 15 May 2019.