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XOMA CORP DEL
XOMA CORP DEL. Institutional holdings reported to the SEC.

Institutional Holders (2014Q1)
Portfolio Summary: 124 Institutional holders with a total value of $440,048,299.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BAKER BROS. ADVISORS LP 23,057,572 120,130,000 27.30%
2 FMR LLC 15,984,996 83,281,000 18.93%
3 STATE STREET CORP 4,149,666 21,619,000 4.91%
4 BlackRock Fund Advisors 3,437,073 17,907,000 4.07%
5 KINGDON CAPITAL MANAGEMENT, L.L.C. 3,396,913 17,698,000 4.02%
6 DRIEHAUS CAPITAL MANAGEMENT LLC 2,740,336 14,277,000 3.24%
7 ORBIMED ADVISORS LLC 2,437,000 12,697,000 2.89%
8 VANGUARD GROUP INC 2,405,212 12,531,000 2.85%
9 BlackRock Institutional Trust Company, N.A. 2,358,865 12,290,000 2.79%
10 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 2,045,077 10,655,000 2.42%
11 Redmile Group, LLC 1,522,543 7,932,000 1.80%
12 MILLENNIUM MANAGEMENT LLC 1,495,881 7,794,000 1.77%
13 MARSHALL WACE, LLP 1,182,053 6,158,000 1.40%
14 Artal Group S.A. 1,000,000 5,210,000 1.18%
15 DEERFIELD MANAGEMENT COMPANY, L.P. 1,000,000 5,210,000 1.18% Call
16 NORTHERN TRUST CORP 984,970 5,131,000 1.17%
17 KINGDON CAPITAL MANAGEMENT, L.L.C. 850,000 4,429,000 1.01% Call
18 BARCLAYS PLC 881,700 4,409,000 1.00% Put
19 TIAA CREF INVESTMENT MANAGEMENT LLC 669,251 3,487,000 0.79%
20 BLACKROCK ADVISORS LLC 659,773 3,437,000 0.78%
21 BOGLE INVESTMENT MANAGEMENT L P /DE/ 645,635 3,363,000 0.76%
22 MORGAN STANLEY 614,603 3,202,000 0.73%
23 WELLINGTON MANAGEMENT GROUP LLP 560,267 2,919,000 0.66%
24 GEODE CAPITAL MANAGEMENT, LLC 479,464 2,497,000 0.57%
25 GUGGENHEIM CAPITAL LLC 469,967 2,448,000 0.56%
26 SUSQUEHANNA INTERNATIONAL GROUP, LLP 421,100 2,194,000 0.50% Call
27 Forward Management, LLC 304,931 1,907,000 0.43%
28 CITADEL ADVISORS LLC 343,490 1,789,000 0.41%
29 Bank of New York Mellon Corp 333,473 1,738,000 0.39%
30 BARCLAYS PLC 337,519 1,688,000 0.38%
31 SUSQUEHANNA INTERNATIONAL GROUP, LLP 275,900 1,437,000 0.33% Put
32 DEUTSCHE BANK AG\ 262,764 1,368,000 0.31%
33 Numeric Investors LLC 259,600 1,353,000 0.31%
34 EVENTIDE ASSET MANAGEMENT, LLC 257,200 1,340,000 0.30%
35 Palo Alto Investors LP 256,100 1,334,000 0.30%
36 D. E. Shaw & Co., Inc. 247,143 1,288,000 0.29%
37 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 273,600 1,277,000 0.29%
38 GOLDMAN SACHS GROUP INC 240,000 1,250,000 0.28% Call
39 GOLDMAN SACHS GROUP INC 240,000 1,250,000 0.28% Put
40 Weiss Multi-Strategy Advisers LLC 222,350 1,158,000 0.26%
41 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 221,967 1,157,000 0.26%
42 BlackRock Investment Management, LLC 220,328 1,148,000 0.26%
43 GOLDMAN SACHS GROUP INC 207,715 1,082,000 0.25%
44 GLG Partners LP 206,995 1,078,000 0.24%
45 COLUMBUS CIRCLE INVESTORS 194,011 1,011,000 0.23%
46 BRIDGEWAY CAPITAL MANAGEMENT, LLC 194,000 1,011,000 0.23%
47 GROUP ONE TRADING LLC 193,164 1,006,000 0.23%
48 SUSQUEHANNA INTERNATIONAL GROUP, LLP 187,176 976,000 0.22%
49 CREDIT SUISSE AG/ 185,020 964,000 0.22%
50 Connor, Clark & Lunn Investment Management Ltd. 164,000 943,000 0.21%
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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.