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

Institutional Holders (2017Q2)
Portfolio Summary: 54 Institutional holders with a total value of $18,896,623.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BlackRock Finance, Inc. 1,441,941 6,777,000 35.86%
2 VANGUARD GROUP INC 785,634 3,692,000 19.54%
3 STATE STREET CORP 309,747 1,455,000 7.70%
4 NORTHERN TRUST CORP 236,030 1,109,000 5.87%
5 GEODE CAPITAL MANAGEMENT, LLC 162,613 764,000 4.04%
6 GOLDMAN SACHS GROUP INC 80,254 377,000 2.00%
7 Bank of New York Mellon Corp 73,451 345,000 1.83%
8 SUSQUEHANNA INTERNATIONAL GROUP, LLP 70,800 333,000 1.76% Call
9 A.R.T. Advisors, LLC 50,306 236,000 1.25%
10 TIAA CREF INVESTMENT MANAGEMENT LLC 43,433 204,000 1.08%
11 ALLIANCEBERNSTEIN L.P. 42,800 201,000 1.06%
12 SUSQUEHANNA INTERNATIONAL GROUP, LLP 42,100 198,000 1.05% Put
13 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 37,383 176,000 0.93%
14 CUTLER GROUP LLC / CA 26,600 172,000 0.91% Put
15 TEACHERS ADVISORS, LLC 36,031 169,000 0.89%
16 GOLDMAN SACHS GROUP INC 35,000 165,000 0.87% Put
17 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 34,267 161,000 0.85%
18 CREDIT SUISSE AG/ 31,559 149,000 0.79%
19 Swiss National Bank 31,500 148,000 0.78%
20 CITADEL ADVISORS LLC 31,000 146,000 0.77% Put
21 CITADEL ADVISORS LLC 30,300 142,000 0.75% Call
22 LMR Partners LLP 26,184 123,000 0.65%
23 DIMENSIONAL FUND ADVISORS LP 25,511 120,000 0.64%
24 BANK OF MONTREAL /CAN/ 25,000 118,000 0.62% Put
25 BANK OF MONTREAL /CAN/ 25,000 118,000 0.62%
26 DEUTSCHE BANK AG\ 22,382 104,000 0.55%
27 MORGAN STANLEY 19,942 94,000 0.50%
28 ProShare Advisors LLC 19,823 93,000 0.49%
29 CITADEL ADVISORS LLC 19,661 92,000 0.49%
30 NEW YORK STATE COMMON RETIREMENT FUND 18,100 85,000 0.45%
31 SYNOVUS FINANCIAL CORP 17,672 83,000 0.44%
32 RHUMBLINE ADVISERS 17,151 81,000 0.43%
33 TUDOR INVESTMENT CORP ET AL 14,052 66,000 0.35%
34 Virtu KCG Holdings LLC 13,379 63,000 0.33%
35 WELLS FARGO & COMPANY/MN 13,071 61,000 0.32%
36 AMERICAN INTERNATIONAL GROUP, INC. 11,984 56,000 0.30%
37 CUTLER GROUP LLC / CA 12,097 56,000 0.30%
38 PRICE T ROWE ASSOCIATES INC /MD/ 11,648 55,000 0.29%
39 VOYA INVESTMENT MANAGEMENT LLC 10,349 49,000 0.26%
40 Nationwide Fund Advisors 10,143 48,000 0.25%
41 STATE OF WISCONSIN INVESTMENT BOARD 10,000 47,000 0.25%
42 GROUP ONE TRADING LLC 8,579 40,000 0.21%
43 BANK OF AMERICA CORP /DE/ 5,521 26,000 0.14%
44 Legal & General Group Plc 5,523 26,000 0.14%
45 SIMPLEX TRADING, LLC 5,085 23,000 0.12%
46 CUTLER GROUP LLC / CA 20,800 13,000 0.07% Call
47 BNP PARIBAS FINANCIAL MARKETS 2,473 11,623 0.06%
48 CANADA LIFE ASSURANCE Co 2,000 9,000 0.05%
49 Ameritas Investment Partners, Inc. 1,362 6,000 0.03%
50 MANUFACTURERS LIFE INSURANCE COMPANY, THE 1,098 5,000 0.03%
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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.