13F

Stock

XBiotech Inc.

XBIT · held by 37 managers

Reported value

$4.68M

Holders

37

+3 new · −8 exited

Holders’ est. mark

−$64.5K

Price effect on 31 books still in the name

Largest holder

$688.8K

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.293.1K$688.8K−$11.5KCut−$1.03K
GEODE CAPITAL MANAGEMENT, LLC231K$543.2K−$8.85KAdded$14.4K
VANGUARD CAPITAL MANAGEMENT LLC201K$472.3KHeld
RBF Capital, LLC198.5K$466.5K−$7.94KCut−$7.94K
MORGAN STANLEY165.6K$389.1K−$6.54KCut−$1.52K
MILLENNIUM MANAGEMENT LLC105.5K$248K−$4.22KCut−$75.7K
BRIDGEWAY CAPITAL MANAGEMENT, LLC98.4K$231.3K−$3.58KAdded$17.3K
VANGUARD FIDUCIARY TRUST CO91.6K$215.2KHeld
NORTHERN TRUST CORP76.1K$178.8K−$3.04KCut−$3.88K
State Street73K$171.6K−$2.92KCut−$2.92K
JANE STREET GROUP, LLC60.1K$141.2K−$2.4KCut−$25.4K
Empowered Funds, LLC59.5K$139.9K−$2.38KCut−$2.38K
Squarepoint Ops LLC41.2K$96.9K−$1.65KCut−$56.1K
Bank of New York Mellon Corp39.4K$92.5K−$1.57KCut−$23.3K
BANK OF AMERICA CORP /DE/36.7K$86.2K−$1.44KAdded$429
DIMENSIONAL FUND ADVISORS LP36.1K$84.5K−$1.54KCut−$36.5K
Connor, Clark & Lunn Investment Management Ltd.28.7K$67.4K−$1.15KCut−$4.89K
BNP PARIBAS FINANCIAL MARKETS27.2K$63.8K−$1.07KCut−$370
NATIONAL BANK OF CANADA /FI/25K$58.8K$0Held
Renaissance Technologies22.4K$52.7KNew
AMERICAN CENTURY COMPANIES INC18.9K$44.4K−$756Cut−$756
Qube Research & Technologies Ltd18.7K$43.9K−$747Cut−$5.34K
XTX Topco Ltd17.9K$42.1K−$716Cut−$9.8K
Pinnacle Financial Partners, Inc.11.8K$27.7K−$471Cut−$471
Vanguard Global Advisers, LLC7.01K$16.5KHeld
UBS Group AG5.04K$11.8K−$202Cut−$264
RHUMBLINE ADVISERS928$2.18K−$37Cut−$37
ROYAL BANK OF CANADA1.19K$2K$313Added$2K
McIlrath & Eck, LLC753$1.77K−$30Cut−$30
JONES FINANCIAL COMPANIES LLLP370$840−$44Cut−$44
JPMORGAN CHASE & CO96$218−$11Cut−$2.48K
SBI Securities Co., Ltd.37$87$0Added$85
Larson Financial Group LLC21$49−$1Cut−$1
Arax Advisory Partners15$35New
CWM, LLC13$31$31Added$31
Caitong International Asset Management Co., Ltd11$26New
Optiver Holding B.V.8$19$0Held

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.