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IO Biotech (IOBT) Institutional Ownership

IO Biotech logo
$0.05 0.00 (0.00%)
As of 04/7/2026
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Institutional Ownership Changes (13F Filings) for IO Biotech (NASDAQ:IOBT)

Current
Institutional Ownership
Percentage
54.76%
Number of
Institutional Buyers
(last 12 months)
7
Total
Institutional Inflows
(last 12 months)
$1.15M
Number of
Institutional Sellers
(last 12 months)
10
Total
Institutional Outflows
(last 12 months)
$2.28M
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IOBT Institutional Buying and Selling by Quarter

IO Biotech Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/18/2026Beacon Pointe Advisors LLC506,000$308K0.0%N/A0.703%
2/18/2026Ikarian Capital LLC1,386,565$844K0.1%-9.1%1.927%
2/18/2026Millennium Management LLC138,716$84K0.0%-90.0%0.193%
2/18/2026Boothbay Fund Management LLC451,852$275K0.0%-23.6%0.628%
2/13/2026Marshall Wace LLP429,338$262K0.0%-59.2%0.597%
2/12/2026Renaissance Technologies LLC207,601$126K0.0%-62.1%0.289%
11/17/2025Novo Holdings A S2,512,453$912K0.1%-25.1%3.814%
11/17/2025Millennium Management LLC1,392,396$506K0.0%N/A2.114%
11/17/2025Bank of America Corp DE799,953$290K0.0%-50.5%1.214%
11/17/2025Boothbay Fund Management LLC591,180$215K0.0%N/A0.897%
8/19/2025Marex Group plc45,000$63K0.0%N/A0.000%
8/15/2025Bank of America Corp DE1,615,074$2.25M0.0%-2.2%0.000%
8/14/2025NewEdge Advisors LLC24,217$34K0.0%N/A0.037%
8/12/2025XTX Topco Ltd29,189$41K0.0%-42.2%0.000%
5/21/2025Acadian Asset Management LLC30,858$33K0.0%-49.1%0.047%
5/19/2025Jane Street Group LLC23,717$26K0.0%N/A0.036%
5/15/2025Landscape Capital Management L.L.C.400,234$436K0.0%-9.5%0.608%
5/8/2025XTX Topco Ltd50,486$55K0.0%+80.0%0.077%
5/7/2025Dauntless Investment Group LLC681,446$743K0.9%-8.9%1.034%
2/17/2025Bridgeway Capital Management LLC174,000$160K0.0%-12.8%0.264%
2/17/2025Citadel Advisors LLC270,504$249K0.0%N/A0.411%
2/14/2025Dauntless Investment Group LLC747,646$688K0.7%N/A1.135%
2/13/2025XTX Topco Ltd28,040$26K0.0%N/A0.043%
2/13/2025Renaissance Technologies LLC118,800$109K0.0%+22.5%0.180%
2/12/2025Landscape Capital Management L.L.C.442,196$407K0.0%N/A0.671%
1/30/2025Vontobel Holding Ltd.32,667$30K0.0%N/A0.050%
10/24/2024Novo Holdings A S3,354,449$3.52M0.2%-24.3%5.092%
8/20/2024Novo Holdings A S4,429,449$5.18M0.3%-12.9%6.723%
8/15/2024Armistice Capital LLC1,545,000$1.81M0.0%-10.4%2.345%
8/12/2024XTX Topco Ltd26,555$31K0.0%+67.4%0.040%
8/9/2024Renaissance Technologies LLC180,800$212K0.0%+8.1%0.274%
2/15/2024PFM Health Sciences LP2,341,107$4.40M0.3%+73.0%3.554%
2/13/2024Stonepine Capital Management LLC1,666,037$3.13M1.4%-15.7%2.529%
2/13/2024Armistice Capital LLC1,924,000$3.62M0.0%-10.4%2.920%
11/15/2023Armistice Capital LLC2,148,000$3.03M0.0%N/A3.260%
11/14/2023Stonepine Capital Management LLC1,975,308$2.79M0.9%N/A2.998%
11/14/2023Pivotal bioVenture Partners Investment Advisor LLC864,197$1.22M0.5%N/A1.312%
11/8/2023Vivo Capital LLC6,173,439$8.71M1.1%+104.7%9.371%
7/25/2023Summit Trail Advisors LLC43,744$86K0.0%N/A0.152%
2/14/2023RA Capital Management L.P.1,127,260$2.59M0.1%-39.3%3.911%
11/14/2022Psagot Value Holdings Ltd. Israel40,846$111K0.0%N/A0.142%
11/2/2022Victory Capital Management Inc.43,741$119K0.0%N/A0.152%
2/15/2022Samsara BioCapital LLC1,120,437$7.17M1.4%N/A3.888%
2/15/2022Capital World Investors1,235,000$8.11M0.0%N/A4.286%
2/14/2022Soleus Capital Management L.P.672,734$4.31M0.4%N/A2.335%
2/14/2022Novo Holdings A S3,277,932$20.98M1.0%N/A11.376%


IOBT Institutional Ownership - Frequently Asked Questions

During the previous two years, 19 institutional investors and hedge funds held shares of IO Biotech. The most heavily invested institutionals were Armistice Capital LLC ($1.81M), Novo Holdings A S ($912K), Ikarian Capital LLC ($844K), Dauntless Investment Group LLC ($743K), Landscape Capital Management L.L.C. ($436K), Beacon Pointe Advisors LLC ($308K), and Bank of America Corp DE ($290K).Learn more on IO Biotech's institutional investors.

54.76% of IO Biotech's stock is owned by institutional investors. Learn more on IOBT's institutional investor holdings.

Of the 12 institutional investors that purchased IO Biotech's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Millennium Management LLC ($1.39M), Dauntless Investment Group LLC ($747.65K), Boothbay Fund Management LLC ($591.18K), Beacon Pointe Advisors LLC ($506K), Landscape Capital Management L.L.C. ($442.20K), Citadel Advisors LLC ($270.50K), and XTX Topco Ltd ($61.17K).

Institutional investors have bought a total of 2,582,510 shares in the last 24 months. This purchase volume represents approximately $1.15M in transactions.

Of the 10 institutional investors that sold IO Biotech's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Millennium Management LLC ($1.25M), Bank of America Corp DE ($851.56K), Novo Holdings A S ($842.00K), Marshall Wace LLP ($623.29K), Renaissance Technologies LLC ($339.71K), Boothbay Fund Management LLC ($139.33K), and Ikarian Capital LLC ($139.33K).

Institutional investors have sold a total of 4,281,952 shares in the last 24 months. This volume of shares sold represents approximately $2.28M in transactions.


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This page (NASDAQ:IOBT) was last updated on 5/8/2026 by MarketBeat.com Staff.
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