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INSMED INC
INSMED INC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q3)
Portfolio Summary: 126 Institutional holders with a total value of $1,061,118,972.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 9,264,039 172,033,000 16.21%
2 PRICE T ROWE ASSOCIATES INC /MD/ 9,041,389 167,899,000 15.82%
3 Palo Alto Investors LP 4,768,800 88,557,000 8.35%
4 ORBIMED ADVISORS LLC 3,145,301 58,408,000 5.50%
5 VANGUARD GROUP INC 2,950,707 54,794,000 5.16%
6 JANUS HENDERSON INVESTORS US LLC 2,587,395 48,048,000 4.53%
7 BlackRock Fund Advisors 2,344,745 43,542,000 4.10%
8 JPMORGAN CHASE & CO 2,097,972 38,959,000 3.67%
9 STATE STREET CORP 1,957,007 36,340,000 3.42%
10 BAKER BROS. ADVISORS LP 1,583,490 29,405,000 2.77%
11 BlackRock Institutional Trust Company, N.A. 1,471,340 27,323,000 2.57%
12 CITADEL ADVISORS LLC 1,235,860 22,950,000 2.16%
13 JENNISON ASSOCIATES LLC 1,164,601 21,627,000 2.04%
14 Redmile Group, LLC 947,966 17,604,000 1.66%
15 MORGAN STANLEY 868,821 16,133,000 1.52%
16 UBS Group AG 865,680 16,076,000 1.52%
17 NORTHERN TRUST CORP 688,389 12,783,000 1.20%
18 SENZAR ASSET MANAGEMENT, LLC 575,407 10,685,308 1.01%
19 Tourbillon Capital Partners, L.P. 575,062 10,679,000 1.01%
20 EMERALD ADVISERS, LLC 483,657 8,982,000 0.85%
21 EMERALD MUTUAL FUND ADVISERS TRUST 468,720 8,704,000 0.82%
22 DEUTSCHE BANK AG\ 459,348 8,527,000 0.80%
23 GEODE CAPITAL MANAGEMENT, LLC 404,416 7,510,000 0.71%
24 CITIGROUP INC 392,497 7,288,000 0.69%
25 Rock Springs Capital Management LP 365,000 6,778,000 0.64%
26 D. E. Shaw & Co., Inc. 308,012 5,720,000 0.54%
27 TEACHERS ADVISORS, LLC 302,488 5,617,000 0.53%
28 Bank of New York Mellon Corp 273,080 5,072,000 0.48%
29 First Light Asset Management, LLC 272,393 5,058,000 0.48%
30 TIAA CREF INVESTMENT MANAGEMENT LLC 247,063 4,588,000 0.43%
31 PUTNAM INVESTMENTS LLC 240,800 4,472,000 0.42%
32 TD ASSET MANAGEMENT INC 234,500 4,355,000 0.41%
33 Asset Management One Co., Ltd. 241,445 4,205,000 0.40%
34 AMERIPRISE FINANCIAL INC 205,709 3,819,000 0.36%
35 BlackRock Investment Management, LLC 205,575 3,818,000 0.36%
36 PRINCIPAL FINANCIAL GROUP INC 202,705 3,764,000 0.35%
37 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 181,888 3,378,000 0.32%
38 SPHERA FUNDS MANAGEMENT LTD. 165,000 3,064,000 0.29%
39 SUSQUEHANNA INTERNATIONAL GROUP, LLP 153,200 2,845,000 0.27% Call
40 Candriam S.C.A. 148,800 2,763,000 0.26%
41 EVENTIDE ASSET MANAGEMENT, LLC 144,600 2,685,000 0.25%
42 QS Investors, LLC 141,644 2,630,000 0.25%
43 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 124,000 2,303,000 0.22%
44 NORGES BANK 118,662 2,204,000 0.21%
45 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 112,125 2,082,000 0.20%
46 MILLENNIUM MANAGEMENT LLC 107,048 1,988,000 0.19%
47 SEI INVESTMENTS CO 98,974 1,838,000 0.17%
48 ALLIANCEBERNSTEIN L.P. 90,600 1,682,000 0.16%
49 GROUP ONE TRADING LLC 85,713 1,592,000 0.15%
50 Swiss National Bank 75,800 1,408,000 0.13%
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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.