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SPARK THERAPEUTICS INC
SPARK THERAPEUTICS INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 97 Institutional holders with a total value of $908,637,889.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 1,571,477 121,789,000 13.40%
2 BAKER BROS. ADVISORS LP 1,327,451 102,878,000 11.32%
3 PRICE T ROWE ASSOCIATES INC /MD/ 1,204,526 90,416,000 9.95%
4 DEERFIELD MANAGEMENT COMPANY, L.P. 631,192 48,917,000 5.38%
5 LORD, ABBETT & CO. LLC 534,921 41,457,000 4.56%
6 WELLINGTON MANAGEMENT GROUP LLP 512,220 38,403,000 4.23%
7 GILDER GAGNON HOWE & CO LLC 456,604 35,387,000 3.89%
8 BLACKROCK ADVISORS LLC 442,244 34,274,000 3.77%
9 Bain Capital Public Equity Management, LLC 428,096 33,177,000 3.65%
10 VANGUARD GROUP INC 424,387 32,890,000 3.62%
11 Capital World Investors 358,020 27,747,000 3.05%
12 WELLS FARGO & COMPANY/MN 305,818 23,701,000 2.61%
13 BlackRock Group LTD 256,143 19,851,000 2.18%
14 Clearbridge Investments, LLC 248,210 19,236,000 2.12%
15 RS INVESTMENT MANAGEMENT CO LLC 231,162 17,915,000 1.97%
16 JANUS HENDERSON INVESTORS US LLC 229,628 17,796,000 1.96%
17 MORGAN STANLEY 211,471 16,389,000 1.80%
18 WADDELL & REED FINANCIAL INC 207,685 16,096,000 1.77%
19 BlackRock Fund Advisors 203,291 15,755,000 1.73%
20 Allianz Asset Management GmbH 185,580 14,383,000 1.58%
21 FRANKLIN RESOURCES INC 173,300 13,431,000 1.48%
22 BlackRock Institutional Trust Company, N.A. 171,132 13,263,000 1.46%
23 ORBIMED ADVISORS LLC 127,000 9,843,000 1.08%
24 FEDERATED HERMES, INC. 107,500 8,332,000 0.92%
25 STATE STREET CORP 69,699 5,405,000 0.59%
26 Artal Group S.A. 60,000 4,650,000 0.51%
27 EverPoint Asset Management, LLC 60,000 4,650,000 0.51%
28 Candriam S.C.A. 55,000 4,263,000 0.47%
29 DSAM Partners (London) Ltd 54,484 4,223,000 0.46%
30 TEACHERS ADVISORS, LLC 52,754 4,088,000 0.45%
31 FIL Ltd 51,235 3,971,000 0.44%
32 AMERIPRISE FINANCIAL INC 45,088 3,494,000 0.38%
33 JPMORGAN CHASE & CO 42,998 3,333,000 0.37%
34 Alyeska Investment Group, L.P. 42,618 3,303,000 0.36%
35 C WorldWide Group Holding A/S 37,000 2,868,000 0.32%
36 Asset Management One Co., Ltd. 35,610 2,639,000 0.29%
37 Rock Springs Capital Management LP 33,106 2,566,000 0.28%
38 BlackRock Finance, Inc. 32,977 2,556,000 0.28%
39 BlackRock Investment Management, LLC 32,715 2,535,000 0.28%
40 Bank of New York Mellon Corp 32,031 2,482,000 0.27%
41 AXA S.A. 31,954 2,476,000 0.27%
42 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 28,014 2,171,086 0.24%
43 BAILARD, INC. 28,000 2,170,000 0.24%
44 ArrowMark Colorado Holdings LLC 25,337 1,964,000 0.22%
45 PANAGORA ASSET MANAGEMENT INC 25,306 1,961,000 0.22%
46 NORTHERN TRUST CORP 20,287 1,572,000 0.17%
47 EMERALD ADVISERS, LLC 25,099 1,397,000 0.15%
48 PRINCIPAL FINANCIAL GROUP INC 18,000 1,394,000 0.15%
49 Informed Momentum Co LLC 17,954 1,391,000 0.15%
50 MARINER INVESTMENT GROUP LLC 16,750 1,298,000 0.14%
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.