Janus Henderson Investors US’s Spark Therapeutics, Inc. Common Stock ONCE Stock Holding History

Janus Henderson Investors US’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
2017 Q1	$24.5M	Buy	458,743 +80,750	+21%	+$4.79M	0.02%	573
2016 Q4	$18.9M	Sell	377,993 -17,031	-4%	-$912K	0.02%	623
2016 Q3	$23.7M	Sell	395,024 -6,966	-2%	-$402K	0.02%	559
2016 Q2	$20.6M	Buy	+401,990	New	+$17.2M	0.02%	568
2015 Q2	–	Sell	-229,628	Closed	-$17.8M	–	1153
2015 Q1	$17.8M	Buy	+229,628	New	+$13.2M	0.01%	631

Other funds holding ONCE

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

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

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

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return

BBA

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

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

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

SMV

Sofinnova Management VIII Menlo Park, California $183M AUM 4.18% 1-Year Est. Return

Janus Henderson Investors US's ONCE Position: Q1 2017 in Review

Janus Henderson Investors US increased its Spark Therapeutics, Inc. Common Stock (ONCE) stake by 21% in Q1 2017, buying an estimated $4.79M and bringing the position to 458,743 shares worth $24.5M. The position accounts for 0.02% of the portfolio, ranked #573.

Janus Henderson Investors US first reported a position in ONCE in Q1 2015 and has held it in 5 quarters since. 122 funds tracked by Wall St. Rank hold ONCE as of Q1 2017.

Janus Henderson Investors US held 458,743 shares of Spark Therapeutics, Inc. Common Stock worth $24.5M as of Q1 2017.
Janus Henderson Investors US bought 80,750 Spark Therapeutics, Inc. Common Stock shares in Q1 2017, an estimated $4.79M.
Spark Therapeutics, Inc. Common Stock made up 0.02% of Janus Henderson Investors US's portfolio in Q1 2017, its #573 holding.
Janus Henderson Investors US first reported a position in Spark Therapeutics, Inc. Common Stock in Q1 2015 and has held it in 5 quarters since.
122 funds tracked by Wall St. Rank held Spark Therapeutics, Inc. Common Stock as of Q1 2017.

Based on Janus Henderson Investors US's 13F filing for Q1 2017, filed 16 May 2017.