American Century Companies’s Spark Therapeutics, Inc. Common Stock ONCE Stock Holding History

American Century Companies’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 Q2	–	Sell	-103,781	Closed	-$11.8M	–	1401
2019 Q1	$11.8M	Sell	103,781 -206,582	-67%	-$15.2M	0.01%	579
2018 Q4	$12.1M	Buy	310,363 +280,174	+928%	+$12.2M	0.01%	560
2018 Q3	$1.65M	Sell	30,189 -35,014	-54%	-$2.39M	﹤0.01%	1048
2018 Q2	$5.4M	Buy	65,203 +44,034	+208%	+$3.4M	0.01%	840
2018 Q1	$1.41M	Buy	21,169 +9,725	+85%	+$562K	﹤0.01%	1045
2017 Q4	$588K	Sell	11,444 -29,144	-72%	-$2.09M	﹤0.01%	1173
2017 Q3	$3.62M	Buy	40,588 +39	+0.1%	+$2.96K	﹤0.01%	929
2017 Q2	$2.42M	Sell	40,549 -447,970	-92%	-$25M	﹤0.01%	1007
2017 Q1	$26.1M	Buy	488,519 +3,445	+0.7%	+$205K	0.03%	478
2016 Q4	$24.2M	Buy	485,074 +67,870	+16%	+$3.64M	0.03%	493
2016 Q3	$25.1M	Buy	417,204 +22,209	+6%	+$1.28M	0.03%	487
2016 Q2	$20.2M	Buy	394,995 +20,995	+6%	+$897K	0.02%	520
2016 Q1	$11M	Sell	374,000 -45,203	-11%	-$1.43M	0.01%	625
2015 Q4	$19M	Buy	419,203 +150,817	+56%	+$7.9M	0.02%	514
2015 Q3	$11.2M	Buy	268,386 +21,517	+9%	+$1.12M	0.01%	622
2015 Q2	$14.9M	Buy	246,869 +233,690	+1,773%	+$15.5M	0.02%	617
2015 Q1	$1.02M	Buy	+13,179	New	+$759K	﹤0.01%	1146

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

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

Magnetar Financial Evanston, Illinois $9.84B AUM 190.63% 1-Year Est. Return

Casdin Capital New York $1.32B AUM 76.62% 1-Year Est. Return

AAM

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

PCM

Pentwater Capital Management Naples, Florida $19.3B AUM 58.13% 1-Year Est. Return

FCM

Farallon Capital Management San Francisco, California $17.5B AUM 50.95% 1-Year Est. Return

Paulson & Co New York $3.11B AUM 94.93% 1-Year Est. Return

BBA

Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return

American Century Companies's ONCE Position: Q2 2019 in Review

American Century Companies sold out of Spark Therapeutics, Inc. Common Stock (ONCE) in Q2 2019, closing a stake of 103,781 shares — an estimated $11.8M sold.

American Century Companies first reported a position in ONCE in Q1 2015 and held it in 17 quarters. The position peaked at $26.1M in Q1 2017. 194 funds tracked by Wall St. Rank hold ONCE as of Q2 2019.

American Century Companies reported no remaining Spark Therapeutics, Inc. Common Stock position as of Q2 2019 after selling out during the quarter.
American Century Companies sold 103,781 Spark Therapeutics, Inc. Common Stock shares in Q2 2019, an estimated $11.8M.
American Century Companies first reported a position in Spark Therapeutics, Inc. Common Stock in Q1 2015 and held it in 17 quarters.
American Century Companies's Spark Therapeutics, Inc. Common Stock position peaked at $26.1M in Q1 2017.
194 funds tracked by Wall St. Rank held Spark Therapeutics, Inc. Common Stock as of Q2 2019.

Based on American Century Companies's 13F filing for Q2 2019, filed 14 Aug 2019.