Dark
Light
System
Security
CERUS CORP
CERUS CORP. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 129 Institutional holders with a total value of $295,009,505.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BAKER BROS. ADVISORS LP 13,553,275 56,517,000 19.16%
2 ORBIMED ADVISORS LLC 8,307,727 34,643,000 11.74%
3 PRIMECAP MANAGEMENT CO/CA/ 7,300,000 30,441,000 10.32%
4 BlackRock Fund Advisors 3,812,499 15,898,000 5.39%
5 ROYCE & ASSOCIATES LP 3,145,505 13,117,000 4.45%
6 VANGUARD GROUP INC 3,072,592 12,813,000 4.34%
7 DEUTSCHE BANK AG\ 2,588,021 10,789,000 3.66%
8 BlackRock Institutional Trust Company, N.A. 2,571,564 10,723,000 3.63%
9 Elk Creek Partners, LLC 2,322,696 9,686,000 3.28%
10 WELLS FARGO & COMPANY/MN 1,830,764 7,633,000 2.59%
11 Redmile Group, LLC 1,647,727 6,871,000 2.33%
12 Cortina Asset Management, LLC 1,525,052 6,359,000 2.16%
13 STATE STREET CORP 1,413,776 5,898,000 2.00%
14 Jefferies Group LLC 1,180,000 4,921,000 1.67% Put
15 NORTHERN TRUST CORP 1,004,739 4,189,000 1.42%
16 CASTLEARK MANAGEMENT LLC 965,025 4,024,000 1.36%
17 STEPHENS INC /AR/ 810,127 3,378,000 1.15%
18 BANK OF AMERICA CORP /DE/ 676,367 2,820,000 0.96%
19 ORACLE INVESTMENT MANAGEMENT INC 659,900 2,752,000 0.93%
20 Lesa Sroufe & Co 651,596 2,717,000 0.92%
21 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 600,000 2,502,000 0.85%
22 Jefferies Group LLC 585,876 2,443,000 0.83%
23 GEODE CAPITAL MANAGEMENT, LLC 552,932 2,305,000 0.78%
24 Bank of New York Mellon Corp 512,305 2,137,000 0.72%
25 DELTA LLOYD NV 410,000 1,710,000 0.58%
26 TIAA CREF INVESTMENT MANAGEMENT LLC 388,945 1,622,000 0.55%
27 FIDUCIARY TRUST INTERNATIONAL LLC 388,876 1,622,000 0.55%
28 MORGAN STANLEY 347,787 1,450,000 0.49%
29 Janney Montgomery Scott LLC 320,464 1,336,000 0.45%
30 Alyeska Investment Group, L.P. 299,900 1,251,000 0.42%
31 Allianz Asset Management GmbH 290,436 1,211,000 0.41%
32 BlackRock Investment Management, LLC 276,860 1,155,000 0.39%
33 SUSQUEHANNA INTERNATIONAL GROUP, LLP 260,362 1,086,000 0.37%
34 SUSQUEHANNA INTERNATIONAL GROUP, LLP 254,500 1,061,000 0.36% Put
35 ARROWGRASS CAPITAL PARTNERS (US) LP 252,800 1,054,000 0.36%
36 KENNEDY CAPITAL MANAGEMENT LLC 239,966 1,001,000 0.34%
37 C Partners Holding GmbH 235,000 980,000 0.33%
38 FIRST MIDWEST BANK TRUST DIVISION 218,280 910,000 0.31%
39 PEAK6 Group LLC 212,100 884,000 0.30% Put
40 Trexquant Investment LP 211,300 881,000 0.30%
41 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 149,100 799,000 0.27%
42 Robert W. Baird & Co. Inc 188,614 787,000 0.27%
43 SALZHAUER MICHAEL 188,552 786,000 0.27%
44 Tygh Capital Management, Inc. 181,190 756,000 0.26%
45 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 173,732 724,000 0.25%
46 PEAK6 Group LLC 158,836 662,000 0.22%
47 CREDIT SUISSE AG/ 153,145 639,000 0.22%
48 WASATCH ADVISORS LP 150,000 626,000 0.21%
49 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 137,100 572,000 0.19%
50 RENAISSANCE TECHNOLOGIES LLC 136,000 567,000 0.19%
Page 1 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.