Boxer Capital’s Spark Therapeutics, Inc. Common Stock ONCE Stock Holding History

Boxer Capital’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 Q4	–	Sell	-1,650,000	Closed	-$160M	–	61
2019 Q3	$160M	Buy	1,650,000 +1,050,000	+175%	+$105M	11.6%	1
2019 Q2	$61.4M	Buy	+600,000	New	+$64.7M	5.28%	5

Boxer Capital's ONCE Position: Q4 2019 in Review

Boxer Capital sold out of Spark Therapeutics, Inc. Common Stock (ONCE) in Q4 2019, closing a stake of 1,650,000 shares — an estimated $160M sold.

Boxer Capital first reported a position in ONCE in Q2 2019 and held it in 2 quarters. The position peaked at $160M in Q3 2019. 0 funds tracked by Wall St. Rank hold ONCE as of Q4 2019.

Boxer Capital reported no remaining Spark Therapeutics, Inc. Common Stock position as of Q4 2019 after selling out during the quarter.
Boxer Capital sold 1,650,000 Spark Therapeutics, Inc. Common Stock shares in Q4 2019, an estimated $160M.
Boxer Capital first reported a position in Spark Therapeutics, Inc. Common Stock in Q2 2019 and held it in 2 quarters.
Boxer Capital's Spark Therapeutics, Inc. Common Stock position peaked at $160M in Q3 2019.
0 funds tracked by Wall St. Rank held Spark Therapeutics, Inc. Common Stock as of Q4 2019.

Based on Boxer Capital's 13F filing for Q4 2019, filed 14 Feb 2020.