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INSMED INC COM PAR .01
INSMED INC COM PAR .01. Institutional holdings reported to the SEC.

Institutional Holders (2014Q1)
Portfolio Summary: 127 Institutional holders with a total value of $647,619,979.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 5,889,436 112,135,000 17.31%
2 WELLS FARGO & COMPANY/MN 2,130,011 40,555,000 6.26%
3 DEERFIELD MANAGEMENT COMPANY, L.P. 2,016,147 38,387,000 5.93%
4 MILLENNIUM MANAGEMENT LLC 1,644,674 31,315,000 4.84%
5 STATE STREET CORP 1,461,978 27,830,000 4.30%
6 FRANKLIN RESOURCES INC 1,452,200 27,650,000 4.27%
7 BlackRock Institutional Trust Company, N.A. 1,401,192 26,679,000 4.12%
8 SECTORAL ASSET MANAGEMENT INC 1,172,121 22,317,000 3.45%
9 BlackRock Fund Advisors 970,670 18,482,000 2.85%
10 VANGUARD GROUP INC 939,654 17,892,000 2.76%
11 JPMORGAN CHASE & CO 935,801 17,818,000 2.75%
12 AMERIPRISE FINANCIAL INC 934,020 17,781,000 2.75%
13 GOLDMAN SACHS GROUP INC 781,600 14,882,000 2.30% Call
14 Tourbillon Capital Partners, L.P. 700,000 13,328,000 2.06%
15 BARCLAYS PLC 605,000 11,495,000 1.77% Call
16 SUSQUEHANNA INTERNATIONAL GROUP, LLP 590,200 11,238,000 1.74% Put
17 GOLDMAN SACHS GROUP INC 584,400 11,127,000 1.72% Put
18 BAKER BROS. ADVISORS LP 554,050 10,549,000 1.63%
19 MILLENNIUM MANAGEMENT LLC 485,600 9,246,000 1.43% Call
20 NORTHERN TRUST CORP 473,294 9,012,000 1.39%
21 MARSHALL WACE, LLP 415,299 7,907,000 1.22%
22 Invesco Ltd. 380,280 7,241,000 1.12%
23 PERCEPTIVE ADVISORS LLC 340,000 6,474,000 1.00%
24 Palo Alto Investors LP 316,699 6,030,000 0.93%
25 OXFORD ASSET MANAGEMENT LLP 312,397 5,948,000 0.92%
26 Informed Momentum Co LLC 304,022 5,789,000 0.89%
27 SUSQUEHANNA INTERNATIONAL GROUP, LLP 283,300 5,394,000 0.83% Call
28 WEXFORD CAPITAL LP 258,025 4,913,000 0.76%
29 Bank of New York Mellon Corp 252,665 4,811,000 0.74%
30 PUTNAM INVESTMENTS LLC 241,859 4,605,000 0.71%
31 BARCLAYS PLC 235,400 4,473,000 0.69% Put
32 Nationwide Fund Advisors 207,248 3,946,000 0.61%
33 SAC Capital Advisors LP 203,000 3,865,000 0.60%
34 PRINCIPAL FINANCIAL GROUP INC 190,034 3,618,000 0.56%
35 QS BATTERYMARCH FINANCIAL MANAGEMENT, INC 184,300 3,510,000 0.54%
36 SUSQUEHANNA INTERNATIONAL GROUP, LLP 180,440 3,436,000 0.53%
37 GEODE CAPITAL MANAGEMENT, LLC 171,223 3,260,000 0.50%
38 TIAA CREF INVESTMENT MANAGEMENT LLC 170,567 3,248,000 0.50%
39 GOLDMAN SACHS GROUP INC 166,179 3,164,000 0.49%
40 Deer VII & Co. Ltd. 170,962 2,930,000 0.45%
41 Manatuck Hill Partners, LLC 146,761 2,794,000 0.43%
42 DEUTSCHE BANK AG\ 135,255 2,573,000 0.40%
43 Ghost Tree Capital, LLC 135,000 2,570,000 0.40%
44 Nicholas Investment Partners, LP 129,567 2,466,000 0.38%
45 LORD, ABBETT & CO. LLC 121,972 2,322,000 0.36%
46 MILLENNIUM MANAGEMENT LLC 120,000 2,285,000 0.35% Put
47 BARCLAYS PLC 106,502 2,024,000 0.31%
48 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 122,857 2,016,000 0.31%
49 RUSSELL FRANK CO/ 119,254 1,892,000 0.29%
50 BlackRock Investment Management, LLC 95,887 1,826,000 0.28%
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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.