ONCE - Spark Therapeutics, Inc.

NasdaqGS - NasdaqGS Real Time Price. Currency in USD

Major Holders

Currency in USD
Breakdown
12.10%% of Shares Held by All Insider
104.63%% of Shares Held by Institutions
119.03%% of Float Held by Institutions
256Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
FMR, LLC5,536,564Jun 29, 201814.74%458,815,073
Wellington Management Company, LLP3,540,829Jun 29, 20189.42%293,428,508
Price (T.Rowe) Associates Inc3,033,132Jun 29, 20188.07%251,355,657
Blackrock Inc.2,869,232Jun 29, 20187.64%237,773,263
Vanguard Group, Inc. (The)2,755,322Jun 29, 20187.33%228,333,541
JP Morgan Chase & Company2,302,567Jun 29, 20186.13%190,813,733
Federated Investors, Inc.1,524,102Jun 29, 20184.06%126,302,336
State Street Corporation1,497,792Jun 29, 20183.99%124,122,027
Baker Brothers Advisors, LLC1,384,130Jun 29, 20183.68%114,702,856
Lord Abbett & Co1,195,494Jun 29, 20183.18%99,070,591

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Fidelity Select Portfolios - Biotechnology1,446,320Jun 29, 20183.85%119,856,542
Federated Kaufmann Fund1,224,902Jun 29, 20183.26%101,507,632
Hartford Mid Cap Fund1,119,019Apr 29, 20182.98%86,690,403
Price (T.Rowe) Health Sciences Fund1,055,939Jun 29, 20182.81%87,505,667
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF867,264Jun 29, 20182.31%71,870,170
Fidelity Growth Company Fund815,015Jun 29, 20182.17%67,540,295
Vanguard Total Stock Market Index Fund758,867Dec 30, 20172.02%39,536,969
Vanguard Small-Cap Index Fund740,222Dec 30, 20171.97%38,565,565
iShares Russell 2000 ETF669,362Jun 29, 20181.78%55,470,030
Price (T.Rowe) New Horizons Fund642,373Jun 29, 20181.71%53,233,452