Silphium Asset Management’s Spark Therapeutics, Inc. Common Stock ONCE Stock Holding History

Silphium Asset 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 Q4	–	Sell	-69,399	Closed	-$6.73M	–	91
2019 Q3	$6.73M	Buy	69,399 +34,399	+98%	+$3.44M	2.43%	12
2019 Q2	$3.58M	Buy	+35,000	New	+$3.78M	1.02%	34

Silphium Asset Management's ONCE Position: Q4 2019 in Review

Silphium Asset Management sold out of Spark Therapeutics, Inc. Common Stock (ONCE) in Q4 2019, closing a stake of 69,399 shares — an estimated $6.73M sold.

Silphium Asset Management first reported a position in ONCE in Q2 2019 and held it in 2 quarters. The position peaked at $6.73M in Q3 2019. 0 funds tracked by Wall St. Rank hold ONCE as of Q4 2019.

Silphium Asset Management reported no remaining Spark Therapeutics, Inc. Common Stock position as of Q4 2019 after selling out during the quarter.
Silphium Asset Management sold 69,399 Spark Therapeutics, Inc. Common Stock shares in Q4 2019, an estimated $6.73M.
Silphium Asset Management first reported a position in Spark Therapeutics, Inc. Common Stock in Q2 2019 and held it in 2 quarters.
Silphium Asset Management's Spark Therapeutics, Inc. Common Stock position peaked at $6.73M in Q3 2019.
0 funds tracked by Wall St. Rank held Spark Therapeutics, Inc. Common Stock as of Q4 2019.

Based on Silphium Asset Management's 13F filing for Q4 2019, filed 30 Jan 2025.