Dark
Light
System
Security
INSMED INC
INSMED INC. 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
101 SUSQUEHANNA INTERNATIONAL GROUP, LLP 283,300 5,394,000 0.83% Call
102 Informed Momentum Co LLC 304,022 5,789,000 0.89%
103 OXFORD ASSET MANAGEMENT LLP 312,397 5,948,000 0.92%
104 Palo Alto Investors LP 316,699 6,030,000 0.93%
105 PERCEPTIVE ADVISORS LLC 340,000 6,474,000 1.00%
106 Invesco Ltd. 380,280 7,241,000 1.12%
107 MARSHALL WACE, LLP 415,299 7,907,000 1.22%
108 NORTHERN TRUST CORP 473,294 9,012,000 1.39%
109 MILLENNIUM MANAGEMENT LLC 485,600 9,246,000 1.43% Call
110 BAKER BROS. ADVISORS LP 554,050 10,549,000 1.63%
111 GOLDMAN SACHS GROUP INC 584,400 11,127,000 1.72% Put
112 SUSQUEHANNA INTERNATIONAL GROUP, LLP 590,200 11,238,000 1.74% Put
113 BARCLAYS PLC 605,000 11,495,000 1.77% Call
114 Tourbillon Capital Partners, L.P. 700,000 13,328,000 2.06%
115 GOLDMAN SACHS GROUP INC 781,600 14,882,000 2.30% Call
116 AMERIPRISE FINANCIAL INC 934,020 17,781,000 2.75%
117 JPMORGAN CHASE & CO 935,801 17,818,000 2.75%
118 VANGUARD GROUP INC 939,654 17,892,000 2.76%
119 BlackRock Fund Advisors 970,670 18,482,000 2.85%
120 SECTORAL ASSET MANAGEMENT INC 1,172,121 22,317,000 3.45%
121 BlackRock Institutional Trust Company, N.A. 1,401,192 26,679,000 4.12%
122 FRANKLIN RESOURCES INC 1,452,200 27,650,000 4.27%
123 STATE STREET CORP 1,461,978 27,830,000 4.30%
124 MILLENNIUM MANAGEMENT LLC 1,644,674 31,315,000 4.84%
125 DEERFIELD MANAGEMENT COMPANY, L.P. 2,016,147 38,387,000 5.93%
126 WELLS FARGO & COMPANY/MN 2,130,011 40,555,000 6.26%
127 FMR LLC 5,889,436 112,135,000 17.31%
Page 3 of 3

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.