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

$1.5290001500015002e+51T

% of Float Held

4.163253296251873e+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
UBS Group AGIncreased+37K+$22.5M
ADAR1 Capital Management, LLCNew Position+25K+$15.0M
Scientech Research LLCNew Position+11K+$6.0M
PKS Advisory Services, LLCIncreased+500+$4.9M
Dauntless Investment Group, LLCNew Position+452K+$275K
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

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
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
MORGAN STANLEYDecreased-129K-$242K
Virtu Financial LLCDecreased-20K-$2K

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Novo Holdings A/S2,512,453$1.5B0.12%Share
2Hilton Capital Management, LLC25,510$15.0M0.00%Share
3ADAR1 Capital Management, LLC24,964$15.0M0.00%Share
4UBS Group AG25,228$15.0M0.00%Share
5PKS Advisory Services, LLC20,000$12.0M0.00%Share
6UBS Group AG11,340$6.0M0.00%Share
7Scientech Research LLC11,255$6.0M0.00%Share
8UBS Group AG7,010$4.0M0.00%Share
9Ikarian Capital, LLC1,386,565$844K0.07%Share
10Dauntless Investment Group, LLC451,641$275K0.22%Share
11Virtu Financial LLC19,078$12K0.00%Share
12BANK OF AMERICA CORP /DE/799,953$00.00%Share
13CITIGROUP INC111,447$00.00%Share
14Beacon Pointe Advisors, LLC506,000$00.00%Share
15SBI Securities Co., Ltd.122$00.00%Share
16MARSHALL WACE, LLP324,140$00.00%Share
17MARSHALL WACE, LLP105,198$00.00%Share
18TWO SIGMA SECURITIES, LLC44,757$00.00%Share
19GEODE CAPITAL MANAGEMENT, LLC33,307$00.00%Share
20BOOTHBAY FUND MANAGEMENT, LLC451,852$00.00%Share
21MORGAN STANLEY539,182$00.00%Share
22XTX Topco Ltd15,864$00.00%Share
23BRIDGEWAY CAPITAL MANAGEMENT, LLC75,000$00.00%Share
24RENAISSANCE TECHNOLOGIES LLC207,601$00.00%Share
25MILLENNIUM MANAGEMENT LLC138,716$00.00%Share

IOBT Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 202522$1.6B+2
Q3 202520$3.0B-4
Q2 202524$20.2B+3
Q1 202521$20.7B-5
Q4 202426$15.7B+10
Q3 202416$17.2B-2
Q2 202418$21.1B+2
Q1 202416$32.5B—

Similar Stocks by Institutional Ownership

LLY

Eli Lilly and Company

JNJ

Johnson & Johnson

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NVS

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AZN

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MRK

Merck & Co., Inc.

UNH

UnitedHealth Group Incorporated

AMGN

Amgen Inc.

As of Q4 2025, 25 institutional investors hold IOBT (IO Biotech, Inc.). The largest holder is Novo Holdings A/S with $1.5B 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 $1.5B in shares.

Is institutional ownership of IOBT increasing or decreasing?

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