Who Owns IO Biotech, Inc. (IOBT)?Hedge Fund & Institutional Holders

$0.20-0.02 (-10.69%)HealthcareNASDAQ

Institutional Holders

25

as of Q4 2025

Total Institutional Value

$1.5298442751515153e+27T

% of Float Held

4.163253103295451e+129%

QoQ Change in Holders

+6 / -4

Price History

$0.21$0.76$1.30$1.85$2.40Sep 24Jun 25Mar 26

IOBT — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
Dauntless Investment Group, LLCNew Position+452K+$275K
ADAR1 Capital Management, LLCNew Position+25K+$15K
Scientech Research LLCNew Position+11K+$6K
TWO SIGMA SECURITIES, LLCNew Position+45K+$0
Beacon Pointe Advisors, LLCNew Position+506K+$0
SBI Securities Co., Ltd.New Position+122+$0
CITIGROUP INCIncreased+110K+$-469K
UBS Group AGIncreased+37K+$-2.5M
PKS Advisory Services, LLCIncreased+500+$-7.1M

IOBT — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
Ikarian Capital, LLCDecreased-139K-$553.2M
MILLENNIUM MANAGEMENT LLCDecreased-1.3M-$505.6M
MARSHALL WACE, LLPDecreased-623K-$378.9M
MORGAN STANLEYDecreased-129K-$242.7M
BOOTHBAY FUND MANAGEMENT, LLCDecreased-139K-$214.7M
RENAISSANCE TECHNOLOGIES LLCDecreased-340K-$198.7M
Point72 Asset Management, L.P.Closed Position-250K-$90.8M
XTX Topco LtdDecreased-163K-$65.1M
Quadrature Capital LtdClosed Position-83K-$30.3M
GOLDMAN SACHS GROUP INCClosed Position-67K-$24.2M
NewEdge Advisors, LLCClosed Position-26K-$9.3M
Virtu Financial LLCDecreased-20K-$2K

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Novo Holdings A/S2,512,453$1.5M0.12%Share
2Ikarian Capital, LLC1,386,565$844K0.07%Share
3Dauntless Investment Group, LLC451,641$275K0.22%Share
4ADAR1 Capital Management, LLC24,964$15K0.00%Share
5Hilton Capital Management, LLC25,510$15K0.00%Share
6UBS Group AG25,228$15K0.00%Share
7PKS Advisory Services, LLC20,000$12K0.00%Share
8Virtu Financial LLC19,078$12K0.00%Share
9UBS Group AG11,340$6K0.00%Share
10Scientech Research LLC11,255$6K0.00%Share
11UBS Group AG7,010$4K0.00%Share
12BOOTHBAY FUND MANAGEMENT, LLC451,852$00.00%Share
13BANK OF AMERICA CORP /DE/799,953$00.00%Share
14MORGAN STANLEY539,182$00.00%Share
15SBI Securities Co., Ltd.122$00.00%Share
16Beacon Pointe Advisors, LLC506,000$00.00%Share
17XTX Topco Ltd15,864$00.00%Share
18CITIGROUP INC111,447$00.00%Share
19RENAISSANCE TECHNOLOGIES LLC207,601$00.00%Share
20GEODE CAPITAL MANAGEMENT, LLC33,307$00.00%Share
21MARSHALL WACE, LLP324,140$00.00%Share
22MARSHALL WACE, LLP105,198$00.00%Share
23BRIDGEWAY CAPITAL MANAGEMENT, LLC75,000$00.00%Share
24MILLENNIUM MANAGEMENT LLC138,716$00.00%Share
25TWO SIGMA SECURITIES, LLC44,757$00.00%Share

IOBT Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 202522$2.7M+2
Q3 202520$3.6B-4
Q2 202524$20.2B+3
Q1 202521$20.7B-5
Q4 202426$18.0B+10
Q3 202416$17.1T-2
Q2 202418$22.7T+2
Q1 202416$35.3T—

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As of Q4 2025, 25 institutional investors hold IOBT (IO Biotech, Inc.). The largest holder is Novo Holdings A/S with $1.5M in shares. This quarter, 6 institutions opened new positions and 4 closed their positions.

Frequently Asked Questions

How many hedge funds own IOBT?

As of Q4 2025, 25 institutional investors report holding IOBT (IO Biotech, Inc.) in their 13F filings.

Who is the largest institutional holder of IOBT?

The largest institutional holder of IOBT is Novo Holdings A/S with $1.5M in shares.

Is institutional ownership of IOBT increasing or decreasing?

This quarter, 6 institutions opened new positions in IOBT and 4 closed their positions.