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DYAX CORP COM CVR
DYAX CORP COM CVR . Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 221 Institutional holders with a total value of $5,194,422,032.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PRIMECAP MANAGEMENT CO/CA/ 10,482,860 394,365,000 7.59%
2 VANGUARD GROUP INC 10,259,861 385,976,000 7.43%
3 FEDERATED HERMES, INC. 9,176,181 345,208,000 6.65%
4 BAKER BROS. ADVISORS LP 8,310,017 312,623,000 6.02%
5 JANUS HENDERSON INVESTORS US LLC 7,356,006 276,733,000 5.33%
6 D. E. Shaw & Co., Inc. 4,707,880 177,110,000 3.41%
7 FARALLON CAPITAL MANAGEMENT LLC 4,602,922 173,162,000 3.33%
8 PRICE T ROWE ASSOCIATES INC /MD/ 4,403,812 165,671,000 3.19%
9 FMR LLC 3,815,169 143,526,000 2.76%
10 BlackRock Fund Advisors 3,734,204 140,481,000 2.70%
11 FIRST TRUST ADVISORS LP 3,705,078 139,385,000 2.68%
12 BlackRock Institutional Trust Company, N.A. 3,684,418 138,608,000 2.67%
13 STATE STREET CORP 3,399,857 127,901,000 2.46%
14 RA CAPITAL MANAGEMENT, L.P. 2,717,618 102,237,000 1.97%
15 DEERFIELD MANAGEMENT COMPANY, L.P. 2,242,073 84,347,000 1.62%
16 Pentwater Capital Management LP 1,990,000 74,864,000 1.44%
17 ALPINE ASSOCIATES MANAGEMENT INC. 1,885,000 70,914,000 1.37%
18 PERCEPTIVE ADVISORS LLC 1,819,215 68,439,000 1.32%
19 NORGES BANK 1,743,256 65,581,000 1.26%
20 NORTHERN TRUST CORP 1,659,925 62,446,000 1.20%
21 BLACKROCK ADVISORS LLC 1,640,149 61,702,000 1.19%
22 ARROWGRASS CAPITAL PARTNERS (US) LP 1,588,942 59,776,000 1.15%
23 PINNACLE ASSOCIATES LTD 1,524,682 57,359,000 1.10%
24 York Capital Management Global Advisors, LLC 1,429,014 53,760,000 1.03%
25 OXFORD ASSET MANAGEMENT LLP 1,425,000 53,580,000 1.03%
26 Cormorant Asset Management, LP 1,400,000 52,668,000 1.01%
27 GABELLI FUNDS LLC 1,302,902 49,015,000 0.94%
28 CHESAPEAKE PARTNERS MANAGEMENT CO INC/MD 1,028,774 38,702,000 0.75%
29 WELLINGTON MANAGEMENT GROUP LLP 1,006,956 37,882,000 0.73%
30 GEODE CAPITAL MANAGEMENT, LLC 995,805 37,462,000 0.72%
31 BRIDGER MANAGEMENT, LLC 982,413 36,958,000 0.71%
32 MILLENNIUM MANAGEMENT LLC 947,540 35,646,000 0.69%
33 Alyeska Investment Group, L.P. 901,662 33,921,000 0.65%
34 Manikay Partners, LLC 800,000 30,096,000 0.58%
35 EAGLE ASSET MANAGEMENT INC 797,256 29,992,000 0.58%
36 GOLDMAN SACHS GROUP INC 792,638 29,819,000 0.57%
37 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 765,069 28,782,000 0.55%
38 Carlson Capital, L.P. 754,213 28,373,000 0.55%
39 TIG Advisors, LLC 742,402 27,929,000 0.54%
40 Bank of New York Mellon Corp 695,979 26,182,000 0.50%
41 Sio Capital Management, LLC 687,600 25,868,000 0.50%
42 SUSQUEHANNA INTERNATIONAL GROUP, LLP 682,700 25,683,000 0.49% Put
43 ArrowMark Colorado Holdings LLC 673,942 25,354,000 0.49%
44 BROWN ADVISORY INC 671,160 25,249,000 0.49%
45 ROYAL BANK OF CANADA 627,669 23,612,000 0.45%
46 BlackRock Investment Management, LLC 571,693 21,507,000 0.41%
47 COWEN INC. 568,100 21,371,000 0.41% Put
48 TIAA CREF INVESTMENT MANAGEMENT LLC 566,063 21,295,000 0.41%
49 JENNISON ASSOCIATES LLC 562,712 21,169,000 0.41%
50 AQR ARBITRAGE LLC 550,004 20,691,000 0.40%
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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.