IO Biotech, Inc.

NasdaqGS:IOBT Stock Report

Market Cap: US$57.6m

IO Biotech Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:IOBT Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
11 Aug 25SellUS$1,488,060Novo Holdings A/SCompany841,996US$1.77
30 May 25BuyUS$20,885Heidi HunterIndividual15,000US$1.39
23 Dec 24BuyUS$9,720Devin SmithIndividual12,000US$0.81
23 Dec 24BuyUS$8,483Amy SullivanIndividual10,250US$0.83
23 Dec 24BuyUS$10,120Mai-Britt ZoccaIndividual12,500US$0.81
23 Dec 24BuyUS$26,553Qasim AhmadIndividual31,350US$0.85

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of IOBT?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders224,3910.341%
Institutions11,167,27217%
General Public23,599,50135.8%
VC/PE Firms30,889,75046.9%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 64.04% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
21.2%
Lundbeckfonden BioCapital
13,950,686US$12.2m0%0.15%
10.4%
Kurma Partners SA
6,821,133US$6.0m0%100.0%
9.37%
Vivo Capital, LLC
6,173,439US$5.4m0%0.35%
5.99%
HBM Partners Ltd.
3,944,492US$3.4m0%0.3%
3.81%
Novo Holdings A/S
2,512,453US$2.2m-25.1%no data
3.2%
Marshall Wace LLP
2,105,262US$1.8m0%no data
2.99%
PFM Health Sciences, LP
1,972,073US$1.7m-15.8%0.14%
2.45%
Bank of America Corporation
1,615,074US$1.4m-2.21%no data
1.31%
Pivotal BioVenture Partners LLC
864,197US$755.8k0%0.29%
0.99%
Morgan Stanley
653,678US$571.7k-17.2%no data
0.53%
Landscape Capital Management, LLC
347,408US$303.8k-13.2%0.02%
0.49%
Dauntless Investment Group, Llc
324,389US$283.7k-52.4%0.94%
0.29%
Soleus Capital Management, L.P.
192,670US$168.5k0%0.01%
0.21%
Renaissance Technologies LLC
139,300US$121.8k10.2%no data
0.18%
Sectoral Asset Management Inc.
117,691US$102.9k23.9%0.02%
0.13%
Amy Sullivan
84,632US$74.0k0%no data
0.12%
Mai-Britt Zocca
76,471US$66.9k0%no data
0.11%
Bridgeway Capital Management, LLC
75,000US$65.6k0%no data
0.068%
Marex Group plc
45,000US$39.4k0%no data
0.051%
Geode Capital Management, LLC
33,307US$29.1k0%no data
0.048%
Qasim Ahmad
31,350US$27.4k0%no data
0.044%
XTX Markets Limited
29,189US$25.5k-42.2%no data
0.044%
Citadel Advisors LLC
28,866US$25.2k-36.6%no data
0.039%
Jane Street Group, LLC
25,946US$22.7k9.4%no data
0.037%
NewEdge Advisors, LLC
24,217US$21.2k0%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/10/30 11:16
End of Day Share Price 2025/10/30 00:00
Earnings2025/06/30
Annual Earnings2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

IO Biotech, Inc. is covered by 8 analysts. 4 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Emily BodnarH.C. Wainwright & Co.
Christopher HowertonJefferies LLC
Roger SongJefferies LLC