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XBiotech (XBIT) Institutional Ownership

XBiotech logo
$2.29 +0.09 (+4.09%)
Closing price 10/9/2026 04:00 PM Eastern
Extended Trading
$2.28 0.00 (-0.22%)
As of 10/9/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for XBiotech (NASDAQ:XBIT)

Current
Institutional Ownership
Percentage
55.70%
Number of
Institutional Buyers
(last 12 months)
14
Total
Institutional Inflows
(last 12 months)
$1.54M
Number of
Institutional Sellers
(last 12 months)
6
Total
Institutional Outflows
(last 12 months)
$1.51M
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XBIT Institutional Buying and Selling by Quarter

XBiotech Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026Squarepoint Ops LLC34,757$80K0.0%-15.7%0.114%
8/18/2026Empowered Funds LLC59,547$137K0.0%N/A0.195%
8/17/2026Bank of America Corp DE23,789$55K0.0%N/A0.078%
8/13/2026Connor Clark & Lunn Investment Management Ltd.27,943$64K0.0%N/A0.092%
8/7/2026BlackRock Inc.321,146$739K0.0%N/A1.053%
8/6/2026Bank of New York Mellon Corp39,355$91K0.0%N/A0.129%
8/6/2026GSA Capital Partners LLP30,654$71K0.0%N/A0.101%
5/14/2026Renaissance Technologies LLC22,438$53K0.0%N/A0.074%
5/7/2026Dimensional Fund Advisors LP36,053$85K0.0%-28.9%0.118%
5/5/2026Bank of New York Mellon Corp39,355$92K0.0%-18.8%0.129%
2/18/2026XTX Topco Ltd21,703$52K0.0%+44.1%0.071%
2/18/2026Millennium Management LLC135,438$324K0.0%-67.5%0.444%
2/18/2026Bridgeway Capital Management LLC89,547$214K0.0%+50.4%0.294%
2/17/2026Persistent Asset Partners Ltd13,565$32K0.0%N/A0.044%
2/13/2026State Street Corp73,006$174K0.0%+8.5%0.239%
2/12/2026Jane Street Group LLC69,738$167K0.0%+25.1%0.229%
2/12/2026Dimensional Fund Advisors LP50,695$121K0.0%-21.2%0.166%
2/10/2026Goldman Sachs Group Inc.16,831$40K0.0%-32.7%0.055%
11/17/2025Millennium Management LLC416,344$1.11M0.0%-24.5%1.366%
11/17/2025Citadel Advisors LLC42,816$114K0.0%+31.8%0.140%
11/17/2025Bank of America Corp DE47,389$126K0.0%+160.3%0.155%
11/14/2025Squarepoint Ops LLC62,159$165K0.0%+56.3%0.204%
11/12/2025Dimensional Fund Advisors LP64,316$171K0.0%-9.4%0.211%
11/7/2025Vanguard Group Inc.819,239$2.18M0.0%-13.3%2.687%
8/15/2025BNP Paribas Financial Markets20,729$62K0.0%+27.1%0.068%
8/15/2025Bridgeway Capital Management LLC59,326$176K0.0%-51.8%0.195%
8/15/2025Bank of America Corp DE18,208$54K0.0%+41.5%0.060%
8/14/2025Jane Street Group LLC25,322$75K0.0%N/A0.083%
8/14/2025RBF Capital LLC200,000$594K0.0%N/A0.656%
8/14/2025Qube Research & Technologies Ltd32,218$96K0.0%N/A0.106%
8/12/2025XTX Topco Ltd20,408$61K0.0%N/A0.067%
8/12/2025American Century Companies Inc.25,876$77K0.0%-74.5%0.085%
8/12/2025JPMorgan Chase & Co.8,881$26K0.0%-70.6%0.029%
8/8/2025Geode Capital Management LLC220,679$656K0.0%-52.2%0.724%
8/7/2025Connor Clark & Lunn Investment Management Ltd.48,274$143K0.0%-25.9%0.158%
8/1/2025Y Intercept Hong Kong Ltd47,885$142K0.0%N/A0.157%
6/27/2025Goldman Sachs Group Inc.47,182$153K0.0%-12.2%0.155%
5/16/2025Goldman Sachs Group Inc.47,182$153K0.0%-12.2%0.155%
5/14/2025Hsbc Holdings PLC15,984$52K0.0%N/A0.052%
5/13/2025American Century Companies Inc.101,658$329K0.0%-18.2%0.333%
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5/12/2025Nuveen LLC24,879$81K0.0%N/A0.082%
5/12/2025Connor Clark & Lunn Investment Management Ltd.65,185$211K0.0%-12.1%0.214%
5/9/2025Charles Schwab Investment Management Inc.67,355$218K0.0%+15.3%0.221%
2/17/2025Millennium Management LLC263,522$1.04M0.0%-6.2%0.865%
2/17/2025Deutsche Bank AG30,338$120K0.0%N/A0.100%
2/17/2025Bank of America Corp DE19,888$79K0.0%+42.0%0.065%
2/17/2025BNP Paribas Financial Markets17,368$69K0.0%-56.6%0.057%
2/14/2025Northern Trust Corp211,476$835K0.0%+15.2%0.694%
2/13/2025Barclays PLC30,004$119K0.0%+13.9%0.098%
2/12/2025National Bank of Canada FI25,000$99K0.0%-24.2%0.082%
2/12/2025JPMorgan Chase & Co.14,624$58K0.0%+68.2%0.048%
2/11/2025American Century Companies Inc.124,245$491K0.0%-4.6%0.408%
2/11/2025Virtu Financial LLC14,735$58K0.0%N/A0.048%
2/4/2025Bank of New York Mellon Corp91,060$360K0.0%+7.5%0.299%
1/28/2025Empowered Funds LLC59,589$235K0.0%-4.7%0.196%
11/19/2024Barclays PLC26,343$204K0.0%+247.4%0.086%
11/16/2024Geode Capital Management LLC452,264$3.50M0.0%+5.1%1.484%
11/15/2024Barclays PLC26,343$204K0.0%+247.4%0.086%
11/15/2024Jane Street Group LLC11,141$86K0.0%N/A0.037%
11/15/2024State Street Corp224,595$1.74M0.0%+10.7%0.737%
11/14/2024UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC253,770$1.96M0.0%+2.2%0.833%
11/14/2024MetLife Investment Management LLC12,157$94K0.0%N/A0.040%
11/13/2024BNP Paribas Financial Markets40,040$310K0.0%+184.9%0.131%
11/13/2024FMR LLC28,992$224K0.0%+34.4%0.095%
11/12/2024Charles Schwab Investment Management Inc.58,437$452K0.0%+7.9%0.192%
11/8/2024Connor Clark & Lunn Investment Management Ltd.75,715$585K0.0%-2.6%0.249%
11/6/2024Empowered Funds LLC62,551$484K0.0%-9.5%0.205%
8/14/2024Marshall Wace LLP10,573$54K0.0%-80.7%0.035%
8/8/2024American Century Companies Inc.76,460$393K0.0%N/A0.251%
8/1/2024Rhumbline Advisers20,094$103K0.0%+2,568.5%0.066%
7/26/2024Bank of New York Mellon Corp98,314$505K0.0%+102.9%0.323%
5/10/2024Vanguard Group Inc.895,315$7.28M0.0%+1.6%2.940%
5/7/2024Empowered Funds LLC64,277$523K0.0%+7.9%0.211%
2/6/2024National Bank of Canada FI24,347$103K0.0%N/A0.080%
8/7/2023Acadian Asset Management LLC5,966$35K0.0%-75.3%0.020%
7/27/2023Virtu Financial LLC10,410$62K0.0%N/A0.034%
7/27/2023EA Series Trust49,776$296K0.0%N/A0.164%
5/10/2023Connor Clark & Lunn Investment Management Ltd.57,916$200K0.0%-10.9%0.190%
2/10/2023Connor Clark & Lunn Investment Management Ltd.65,026$228K0.0%-4.3%0.214%
11/10/2022Connor Clark & Lunn Investment Management Ltd.67,975$246K0.0%+38.4%0.223%
8/11/2022Trexquant Investment LP30,969$174K0.0%+83.2%0.102%
8/5/2022Connor Clark & Lunn Investment Management Ltd.49,112$277K0.0%+108.1%0.161%


XBIT Institutional Ownership - Frequently Asked Questions

During the previous two years, 36 institutional investors and hedge funds held shares of XBiotech. The most heavily invested institutionals were Vanguard Group Inc. ($2.18M), UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($1.96M), Northern Trust Corp ($835K), BlackRock Inc. ($739K), Geode Capital Management LLC ($656K), RBF Capital LLC ($594K), and Millennium Management LLC ($324K).Learn more on XBiotech's institutional investors.

55.70% of XBiotech's stock is owned by institutional investors. Learn more on XBIT's institutional investor holdings.

Of the 30 institutional investors that purchased XBiotech's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($321.15K), RBF Capital LLC ($200K), Bank of America Corp DE ($64.20K), Empowered Funds LLC ($59.55K), Jane Street Group LLC ($50.43K), Y Intercept Hong Kong Ltd ($47.89K), and Bank of New York Mellon Corp ($45.68K).

Institutional investors have bought a total of 656,652 shares in the last 24 months. This purchase volume represents approximately $1.54M in transactions.

The following institutional investors have sold XBiotech stock in the last 24 months: Millennium Management LLC ($415.91K), Vanguard Group Inc. ($126.17K), Dimensional Fund Advisors LP ($34.91K), Bank of New York Mellon Corp ($9.10K), Goldman Sachs Group Inc. ($8.17K), and Squarepoint Ops LLC ($6.46K).

Institutional investors have sold a total of 600,711 shares in the last 24 months. This volume of shares sold represents approximately $1.51M in transactions.


Related Companies

Institutional ownership data for NASDAQ:XBIT is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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