13F

Stock

IO Biotech, Inc.

IOBTQ · held by 12 managers

Reported value

$179.1K

Holders

12

+2 new · −12 exited

Holders’ est. mark

−$1.47M

Price effect on 10 books still in the name

Largest holder

$81.4K

Ikarian Capital, LLC

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Ikarian Capital, LLC1.39M$81.4K−$762.9KCut−$762.9K
BOOTHBAY FUND MANAGEMENT, LLC451.9K$26.5K−$248.6KCut−$248.6K
MARSHALL WACE, LLP301.3K$18.1K−$165.7KCut−$243.8K
XTX Topco Ltd265.8K$15.6K−$8.73KAdded$5.94K
MORGAN STANLEY206.2K$12.1K−$113.5KCut−$316.2K
MILLENNIUM MANAGEMENT LLC194.2K$11.4K−$76.3KCut−$73.1K
CITIGROUP INC72.5K$4.25K−$39.9KCut−$63.6K
JANE STREET GROUP, LLC58K$3.4KNew
Beacon Pointe Advisors, LLC42.6K$2.5K−$23.4KCut−$305.6K
GEODE CAPITAL MANAGEMENT, LLC33.3K$1.96K−$18.3KCut−$18.3K
UBS Group AG31K$1.83K−$17KCut−$24.7K
GSA CAPITAL PARTNERS LLP348.4K$20New

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.