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Korro Bio (KRRO) Institutional Ownership

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$12.49 -0.42 (-3.25%)
As of 08/31/2026 04:00 PM Eastern

Institutional Ownership Changes (13F Filings) for Korro Bio (NASDAQ:KRRO)

Current
Institutional Ownership
Percentage
13.18%
Number of
Institutional Buyers
(last 12 months)
42
Total
Institutional Inflows
(last 12 months)
$112.46M
Number of
Institutional Sellers
(last 12 months)
13
Total
Institutional Outflows
(last 12 months)
$19.20M
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KRRO Institutional Buying and Selling by Quarter

Korro Bio Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/21/2026 Atlas Venture Life Science Advisors LLC962,884$12.69M1.4%-15.3%6.539%
8/19/2026 Hsbc Holdings PLC17,812$233K0.0%N/A0.121%
8/19/2026 Nantahala Capital Management LLC660,036$8.70M0.0%N/A4.481%
8/17/2026 Bank of America Corp DE51,707$681K0.0%N/A0.351%
8/14/2026 ADAR1 Capital Management LLC540,054$7.12M0.3%N/A3.666%
8/14/2026 Hsbc Holdings PLC17,812$233K0.0%N/A0.121%
8/14/2026 Algert Global LLC14,212$187K0.0%-25.9%0.096%
8/12/2026 Ieq Capital LLC21,246$280K0.0%N/A0.144%
8/7/2026 BlackRock Inc.817,621$10.78M0.0%N/A5.670%
8/7/2026 Deutsche Bank AG15,948$210K0.0%N/A0.111%
8/6/2026 Bank of New York Mellon Corp31,730$418K0.0%N/A0.220%
8/3/2026 Walleye Capital LLC54,289$716K0.0%N/A0.376%
5/18/2026 ADAR1 Capital Management LLC540,054$6.11M0.4%N/A3.745%
5/16/2026 Quantinno Capital Management LP35,978$407K0.0%+30.4%0.250%
5/16/2026 Kalehua Capital Management LLC109,376$1.24M0.9%N/A0.759%
5/15/2026 Affinity Asset Advisors LLC706,904$8.00M0.4%N/A4.902%
5/14/2026 Renaissance Technologies LLC136,227$1.54M0.0%+81.9%0.945%
5/5/2026 Bank of New York Mellon Corp21,730$246K0.0%+15.2%0.151%
5/4/2026 Emerald Mutual Fund Advisers Trust62,855$712K0.0%-4.1%0.436%
2/18/2026 XTX Topco Ltd57,067$457K0.0%+31.1%0.606%
2/18/2026 Quadrature Capital Ltd27,064$217K0.0%N/A0.287%
2/18/2026 Millennium Management LLC161,092$1.29M0.0%-38.1%1.711%
2/18/2026 Engineers Gate Manager LP26,885$215K0.0%N/A0.285%
2/17/2026 Guggenheim Capital LLC10,439$84K0.0%N/A0.111%
2/17/2026 AQR Capital Management LLC40,647$326K0.0%-16.0%0.431%
2/17/2026 Jain Global LLC10,574$85K0.0%N/A0.112%
2/17/2026 Graham Capital Management L.P.40,766$327K0.0%N/A0.433%
2/13/2026 Nantahala Capital Management LLC600,000$4.81M0.2%N/A6.369%
2/13/2026 Marshall Wace LLP19,772$158K0.0%N/A0.210%
2/13/2026 Charles Schwab Investment Management Inc.16,329$131K0.0%-29.3%0.173%
2/13/2026 Siren L.L.C.347,718$2.79M0.1%-17.0%3.691%
2/13/2026 State Street Corp146,221$1.17M0.0%+17.4%1.552%
2/13/2026 Wells Fargo & Company MN7,522$60K0.0%+45.5%0.080%
2/12/2026 Renaissance Technologies LLC74,900$600K0.0%+85.4%0.795%
2/11/2026 Deutsche Bank AG12,758$102K0.0%+241.9%0.135%
2/10/2026 Goldman Sachs Group Inc.51,950$416K0.0%+231.3%0.551%
2/5/2026 AIHC Capital Management Ltd30,265$242K0.2%N/A0.321%
2/3/2026 F m Investments LLC65,548$525K0.0%+18.6%0.696%
1/1/2026 JPMorgan Chase & Co.199,249$9.54M0.0%+6,185.5%2.115%
11/17/2025 TCG Crossover Management LLC416,301$19.94M1.0%N/A4.419%
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11/17/2025 XTX Topco Ltd43,538$2.09M0.1%N/A0.462%
11/17/2025 Polar Capital Holdings Plc264,694$12.68M0.1%+5.9%2.810%
11/17/2025 Millennium Management LLC260,333$12.47M0.0%+1.8%2.764%
11/17/2025 Citadel Advisors LLC153,928$7.37M0.0%-56.1%1.634%
11/17/2025 Bank of America Corp DE4,704$225K0.0%-83.3%0.050%
11/17/2025 Algert Global LLC7,108$340K0.0%N/A0.075%
11/17/2025 Alliancebernstein L.P.7,700$369K0.0%N/A0.082%
11/14/2025 Schonfeld Strategic Advisors LLC90,186$4.32M0.0%N/A0.957%
11/14/2025 Raymond James Financial Inc.148,971$7.13M0.0%+78.6%1.586%
11/14/2025 ADAR1 Capital Management LLC40,235$1.93M0.2%-41.5%0.428%
11/14/2025 Two Sigma Investments LP64,455$3.09M0.0%+75.4%0.686%
11/14/2025 F m Investments LLC55,245$2.65M0.1%N/A0.588%
11/13/2025 UBS Group AG53,103$2.54M0.0%+185.8%0.566%
11/13/2025 Russell Investments Group Ltd.815$39K0.0%N/A0.009%
11/13/2025 Blair William & Co. IL9,750$467K0.0%N/A0.104%
11/13/2025 Blue Owl Capital Holdings LP105,000$5.03M1.6%-16.0%1.118%
11/7/2025Vanguard Group Inc.395,659$18.95M0.0%+2.3%4.214%
11/7/2025 JPMorgan Chase & Co.199,249$9.54M0.0%+6,185.5%2.122%
11/7/2025 PNC Financial Services Group Inc.2,914$140K0.0%N/A0.031%
11/7/2025 Aberdeen Group plc57,983$2.78M0.0%-31.3%0.617%
11/6/2025 Wealth Forward LLC5,009$240K0.1%N/A0.053%
11/3/2025 AlphaQuest LLC2,468$118K0.0%-90.9%0.026%
10/30/2025 Emerald Mutual Fund Advisers Trust58,911$2.82M0.1%N/A0.627%
10/15/2025CWM LLC2,693$129K0.0%+391.4%0.029%
8/15/2025 Bank of America Corp DE28,156$352K0.0%+520.0%0.300%
8/14/2025 Raymond James Financial Inc.83,392$1.04M0.0%+357.6%0.888%
8/13/2025 Walleye Capital LLC16,060$201K0.0%-48.1%0.171%
8/8/2025 Geode Capital Management LLC155,387$1.94M0.0%+10.8%1.655%
7/31/2025 AlphaQuest LLC27,211$340K0.0%+195.9%0.290%
6/27/2025 Goldman Sachs Group Inc.20,944$365K0.0%-10.1%0.223%
5/16/2025Woodline Partners LP50,094$872K0.0%-50.9%0.533%
5/16/2025Goldman Sachs Group Inc.20,944$365K0.0%-10.1%0.223%
5/16/2025Cormorant Asset Management LP380,303$6.62M0.5%N/A4.050%
5/16/2025Ally Bridge Group NY LLC59,723$1.04M0.9%-15.5%0.636%
5/16/2025ADAR1 Capital Management LLC68,715$1.20M0.2%+18.5%0.732%
5/15/2025Quarry LP2,011$35K0.0%N/A0.021%
5/15/2025DAFNA Capital Management LLC47,086$820K0.2%N/A0.501%
5/15/2025Driehaus Capital Management LLC582,449$10.14M0.1%+17.7%6.202%
5/15/2025Tri Locum Partners LP128,381$2.24M1.1%-11.0%1.367%
5/14/2025Walleye Capital LLC30,955$539K0.0%-24.9%0.330%
5/14/2025AlphaQuest LLC9,196$160K0.0%+320.1%0.098%
5/13/2025Aberdeen Group plc84,428$1.47M0.0%N/A0.899%
5/12/2025Nuveen LLC12,145$211K0.0%N/A0.129%
5/9/2025Charles Schwab Investment Management Inc.18,288$318K0.0%+4.5%0.195%
5/9/2025Blair William & Co. IL16,230$283K0.0%+25.9%0.173%
5/8/2025XTX Topco Ltd10,600$185K0.0%N/A0.113%
4/29/2025Bank of New York Mellon Corp16,113$281K0.0%+9.0%0.172%
4/7/2025GAMMA Investing LLC10,324$180K0.0%+128,950.0%0.110%
3/24/2025Wellington Management Group LLP14,553$554K0.0%+11.5%0.155%
3/18/2025California State Teachers Retirement System4,850$185K0.0%+997.3%0.052%
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2/17/2025Woodline Partners LP102,094$3.89M0.0%N/A1.090%
2/17/2025Point72 Asset Management L.P.493,997$18.81M0.0%+11.0%5.272%
2/17/2025Polar Capital Holdings Plc75,000$2.86M0.0%N/A0.800%
2/17/2025Nuveen Asset Management LLC28,295$1.08M0.0%+153.4%0.302%
2/17/2025Orbimed Advisors LLC32,400$1.23M0.0%N/A0.346%
2/17/2025Millennium Management LLC95,808$3.65M0.0%+32.6%1.022%
2/17/2025Deutsche Bank AG4,110$156K0.0%+29.4%0.044%
2/17/2025Driehaus Capital Management LLC494,905$18.84M0.2%+220.3%5.282%
2/17/2025Deep Track Capital LP874,614$33.30M1.2%+2.9%9.334%
2/17/2025Citadel Advisors LLC369,733$14.08M0.0%-30.1%3.946%


KRRO Institutional Ownership - Frequently Asked Questions

During the previous two years, 85 institutional investors and hedge funds held shares of Korro Bio. The most heavily invested institutionals were Deep Track Capital LP ($33.30M), TCG Crossover Management LLC ($19.94M), FMR LLC ($19.37M), Vanguard Group Inc. ($18.95M), Point72 Asset Management L.P. ($18.81M), Eventide Asset Management LLC ($13.07M), and Atlas Venture Life Science Advisors LLC ($12.69M).Learn more on Korro Bio's institutional investors.

13.18% of Korro Bio's stock is owned by institutional investors. Learn more on KRRO's institutional investor holdings.

Of the 77 institutional investors that purchased Korro Bio's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Nantahala Capital Management LLC ($1.26M), ADAR1 Capital Management LLC ($1.10M), BlackRock Inc. ($817.62K), Alliancebernstein L.P. ($713.49K), Affinity Asset Advisors LLC ($706.90K), Driehaus Capital Management LLC ($427.95K), and TCG Crossover Management LLC ($416.30K).

Institutional investors have bought a total of 5,798,424 shares in the last 24 months. This purchase volume represents approximately $112.46M in transactions.

Of the 13 institutional investors that sold Korro Bio's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Citadel Advisors LLC ($196.72K), Atlas Venture Life Science Advisors LLC ($174.27K), Millennium Management LLC ($99.24K), Siren L.L.C. ($71.12K), ADAR1 Capital Management LLC ($28.58K), Aberdeen Group plc ($26.45K), and AlphaQuest LLC ($24.74K).

Institutional investors have sold a total of 686,757 shares in the last 24 months. This volume of shares sold represents approximately $19.20M in transactions.



Institutional ownership data for NASDAQ:KRRO is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/21/2026. New 13F filings are added each quarter as they're published.
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