ONCE - Spark Therapeutics, Inc.

NasdaqGS - NasdaqGS Real Time Price. Currency in USD

Major Holders

Currency in USD
Breakdown
12.21%% of Shares Held by All Insider
109.87%% of Shares Held by Institutions
125.14%% of Float Held by Institutions
266Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
Wellington Management Company, LLP5,152,648Sep 29, 201813.71%281,076,948
FMR, LLC4,799,650Sep 29, 201812.77%261,820,907
Blackrock Inc.3,031,043Sep 29, 20188.07%165,343,395
Vanguard Group, Inc. (The)2,823,168Sep 29, 20187.51%154,003,814
Price (T.Rowe) Associates Inc2,547,950Sep 29, 20186.78%138,990,672
JP Morgan Chase & Company2,327,904Sep 29, 20186.20%126,987,163
State Street Corporation1,802,064Sep 29, 20184.80%98,302,591
Baker Brothers Advisors, LLC1,384,130Sep 29, 20183.68%75,504,291
Federated Investors, Inc.1,261,400Sep 29, 20183.36%68,809,370
Partner Fund Management, L.P.859,480Sep 29, 20182.29%46,884,634

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Fidelity Select Portfolios - Biotechnology1,446,320Oct 30, 20183.85%65,069,936
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF1,211,379Oct 30, 20183.22%54,499,941
Hartford Mid Cap Fund1,126,077Jul 30, 20183.00%86,392,627
Federated Kaufmann Fund1,000,000Sep 29, 20182.66%54,550,000
Price (T.Rowe) Health Sciences Fund907,120Sep 29, 20182.41%49,483,396
Vanguard Small-Cap Index Fund813,373Sep 29, 20182.16%44,369,497
Vanguard Total Stock Market Index Fund807,172Sep 29, 20182.15%44,031,232
Fidelity Growth Company Fund806,824Oct 30, 20182.15%36,299,011
iShares Russell 2000 ETF696,066Oct 30, 20181.85%31,316,009
JP Morgan Growth Advantage Fund579,600Oct 30, 20181.54%26,076,204