Partner Investment Management’s Spark Therapeutics, Inc. Common Stock ONCE Stock Holding History

Partner Investment Management’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 Q3	–	Sell	-948	Closed	-$97K	–	108
2019 Q2	$97K	Sell	948 -2,926	-76%	-$316K	0.1%	78
2019 Q1	$441K	Sell	3,874 -22,603	-85%	-$1.66M	0.51%	60
2018 Q4	$1.04M	Buy	26,477 +16,778	+173%	+$728K	1.29%	27
2018 Q3	$529K	Sell	9,699 -1,812	-16%	-$124K	0.41%	76
2018 Q2	$953K	Buy	11,511 +2,513	+28%	+$194K	0.77%	50
2018 Q1	$599K	Buy	+8,998	New	+$520K	0.65%	53
2015 Q3	–	Sell	-1,859	Closed	-$112K	–	103
2015 Q2	$112K	Buy	+1,859	New	+$123K	0.16%	73

Other funds holding ONCE

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

PCM

Pentwater Capital Management Naples, Florida $16.4B AUM 55.44% 1-Year Est. Return

Boxer Capital San Diego, California $2.04B AUM 108.39% 1-Year Est. Return

Paulson & Co New York $2.58B AUM 68.51% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Casdin Capital New York $2B AUM 147.21% 1-Year Est. Return

AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return

AAM

Alpine Associates Management Palm Beach, Florida $1.6B AUM 93.19% 1-Year Est. Return

Magnetar Financial Evanston, Illinois $11B AUM 3.37% 1-Year Est. Return

Partner Investment Management's ONCE Position: Q3 2019 in Review

Partner Investment Management sold out of Spark Therapeutics, Inc. Common Stock (ONCE) in Q3 2019, closing a stake of 948 shares — an estimated $97K sold.

Partner Investment Management first reported a position in ONCE in Q2 2015 and held it in 7 quarters. The position peaked at $1.04M in Q4 2018. 184 funds tracked by Wall St. Rank hold ONCE as of Q3 2019.

Partner Investment Management reported no remaining Spark Therapeutics, Inc. Common Stock position as of Q3 2019 after selling out during the quarter.
Partner Investment Management sold 948 Spark Therapeutics, Inc. Common Stock shares in Q3 2019, an estimated $97K.
Partner Investment Management first reported a position in Spark Therapeutics, Inc. Common Stock in Q2 2015 and held it in 7 quarters.
Partner Investment Management's Spark Therapeutics, Inc. Common Stock position peaked at $1.04M in Q4 2018.
184 funds tracked by Wall St. Rank held Spark Therapeutics, Inc. Common Stock as of Q3 2019.

Based on Partner Investment Management's 13F filing for Q3 2019, filed 14 Nov 2019.