XbiotechXBIT

13F holders, Q1 2025 (March 31)
55holders +2
8new positions
6sold out
1famous investor
$3.24avg. 13F price*

At the end of Q1 2025, 55 institutions reported holding Xbiotech Inc. (XBIT) in their 13F filings, up 2 from Q4 2024. 8 opened new positions and 6 sold out. The largest holders were BlackRock, Inc. ($4.2M), Vanguard Group Inc. ($3.4M) and Geode Capital Management, LLC ($1.5M). One famous investor held it Israel Englander (0.0% of Millennium Management's portfolio).

Company
Xbiotech Inc.
CUSIP
98400H102
Latest filing quarter
Q2 2026

History

Number of 13F holders

0204060 Q1 2024: 46Q1 2024Q2 2024: 46Q2 2024Q3 2024: 50Q3 2024Q4 2024: 53Q4 2024Q1 2025: 55Q1 2025Q2 2025: 53Q2 2025Q3 2025: 48Q3 2025Q4 2025: 41Q4 2025Q1 2026: 37Q1 2026Q2 2026: 36Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions8$238K
Exits6$89K

All 13F filers, Q4 2024 → Q1 2025: 120,796 shares bought and 358,778 shares sold, net −237,982 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 55 holders

BlackRock, Inc. 0.00% Reduce -0.7% 1,285,763 $4.2M
Vanguard Group Inc. 0.00% Reduce -0.2% 1,062,772 $3.4M
Geode Capital Management, LLC 0.00% Add +1.5% 461,230 $1.5M
State Street Corp. 0.00% No change 229,695 $744K
Northern Trust Corp. 0.00% Reduce -1.1% 209,251 $678K
Bridgeway Capital Management, LLC 0.01% Reduce -14.9% 123,032 $399K
Morgan Stanley 0.00% Reduce -13.8% 105,497 $342K
American Century Companies Inc. 0.00% Reduce -18.2% 101,658 $329K
Bank of New York Mellon Corp 0.00% No change 91,060 $295K
Millennium Management 0.00% Reduce -68.8% 82,356 $267K
Dimensional Fund Advisors LP 0.00% Reduce -2.1% 73,526 $238K
Charles Schwab Investment Management Inc. 0.00% Add +15.3% 67,355 $218K
Connor, Clark & Lunn Investment Management Ltd. 0.00% Reduce -12.1% 65,185 $211K
Empowered Funds, LLC 0.00% Add +1.8% 60,632 $196K
Goldman Sachs Group Inc. 0.00% Reduce -12.2% 47,182 $153K
UBS Group AG 0.00% Reduce -17.7% 38,313 $124K
Deutsche Bank AG 0.00% No change 30,338 $98K
JPMorgan Chase & Co. 0.00% Add +106.4% 30,185 $98K
Susquehanna International Group, LLP 0.00% Add +107.7% 26,517 $86K
Nuveen, LLC 0.00% — 24,879 $81K
National Bank of Canada 0.00% No change 25,000 $80K
Barclays PLC 0.00% Reduce -33.0% 20,108 $65K
Rhumbline Advisers 0.00% Reduce -1.4% 19,467 $63K
Two Sigma Advisers, LP 0.00% New 17,400 $56K
BNP Paribas Financial Markets 0.00% Reduce -6.1% 16,313 $53K
HSBC Holdings PLC 0.00% New 15,984 $52K
Intech Investment Management LLC 0.00% New 14,156 $46K
Citigroup Inc. 0.00% Reduce -10.1% 13,824 $45K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% New 13,500 $44K
Thomasville National Bank 0.00% No change 13,350 $43K
Bank of America Corp. 0.00% Reduce -35.3% 12,864 $42K
Two Sigma Investments, LP 0.00% New 12,393 $40K
Wells Fargo & Company 0.00% Add +2.3% 11,965 $39K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +4.2% 11,873 $38K
Synovus Financial Corp. 0.00% No change 11,796 $38K
Corebridge Financial, Inc. 0.00% Reduce -1.5% 9,766 $32K
Police & Firemen's Retirement System of New Jersey 0.00% No change 6,328 $21K
Tower Research Capital LLC (TRC) 0.00% Reduce -25.0% 3,148 $10K
Royal Bank of Canada 0.00% Reduce -51.0% 2,088 $6K
Ameritas Investment Partners, Inc. 0.00% No change 1,813 $6K
New York State Common Retirement Fund 0.00% No change 1,600 $5K
Legal & General Group Plc 0.00% No change 1,598 $5K
California State Teachers Retirement System 0.00% No change 1,482 $5K
FMR LLC 0.00% Reduce -97.1% 946 $3K
McIlrath & Eck, LLC 0.00% No change 753 $2K
Amalgamated Bank 0.00% No change 640 $2K
Nisa Investment Advisors, LLC 0.00% Add +356.8% 402 $1K
Sterling Capital Management LLC 0.00% Reduce -47.1% 358 $1K
Jones Financial Companies LLLP 0.00% Reduce -76.5% 370 $1K
Cwm, LLC 0.00% Add +915.4% 264 $1K
Sachetta, LLC 0.00% No change 100 $324
EverSource Wealth Advisors, LLC 0.00% New 13 $42
True Wealth Design, LLC 0.00% New 5 $17
SBI Securities Co., Ltd. 0.00% No change 1 $3
Avion Wealth 0.00% New 72 $0

"% of holder's portfolio" is XBIT's weight in each manager's 13F, not the share of Xbiotech Inc. the manager owns.