Korro Bio, Inc.
KRRO- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001703647
In the last 90 days, Korro Bio, Inc. insiders filed 1 open-market purchase and 8 sales; 106 institutions reported holding it in 13F filings for Q2 2026, worth $190.1M in total; no superinvestor holds it.
13F holders, Q4 2023
Institutional positions in Korro Bio, Inc. as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 40
- −2 vs. Q3 2023
- Shares held
- 6.56M
- −4.04M (−38.1%) vs. Q3 2023
- Total value
- $301.5M
- +$298.9M (+11,572.0%) vs. Q3 2023
- New holders
- 16
- 1 more added
- Sold out
- 18
- 23 more reduced
Compare with Q3 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting KRRO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 106 | $190.1M |
| Q1 2026 | 99 | $144.8M |
| Q4 2025 | 83 | $60.6M |
| Q3 2025 | 92 | $465.5M |
| Q2 2025 | 71 | $114.8M |
| Q1 2025 | 75 | $169.0M |
| Q4 2024 | 84 | $359.6M |
| Q3 2024 | 71 | $285.3M |
| Q2 2024 | 64 | $285.7M |
| Q1 2024 | 49 | $618.6M |
| Q4 2023 | 40 | $301.5M |
| Q3 2023 | 42 | $2.58M |
| Q2 2023 | 41 | $1.67M |
| Q1 2023 | 43 | $2.52M |
| Q4 2022 | 50 | $28.3M |
| Q3 2022 | 55 | $14.1M |
| Q2 2022 | 58 | $13.0M |
| Q1 2022 | 86 | $33.1M |
| Q4 2021 | 84 | $90.2M |
| Q3 2021 | 88 | $130.4M |
| Q2 2021 | 91 | $193.9M |
| Q1 2021 | 115 | $186.6M |
Institutions, Q4 2023
Shares, value and share of portfolio for each institution holding Korro Bio, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Atlas Venture Life Science Advisors, LLC | 1,119,292 | $53.6M | 6.39% | +1,119,292 | New |
| NEA Management Company, LLC | 1,072,936 | $41.1M | 2.74% | +1,072,936 | New |
| FMR LLC | 727,205 | $32.6M | 0.00% | +727,205 | New |
| Eventide Asset Management, LLC | 546,325 | $26.2M | 0.43% | −3,050,797−84.8% | Reduced |
| Cormorant Asset Management, LP | 529,170 | $25.4M | 1.21% | +529,170 | New |
| Citadel Advisors LLC | 529,173 | $24.7M | 0.02% | −551,310−51.0% | Reduced |
| Artal Group S.A. | 418,605 | $20.1M | 0.68% | +418,605 | New |
| Qiming U.S. Ventures Management, LLC | 368,085 | $17.6M | 16.15% | +368,085 | New |
| 72 Investment Holdings, LLC | 276,831 | $13.3M | 58.92% | +276,831 | New |
| Vanguard Group Inc | 270,974 | $13.0M | 0.00% | −1,433,505−84.1% | Reduced |
| Point72 Asset Management, L.P. | 265,826 | $12.7M | 0.04% | +265,826 | New |
| Monashee Investment Management LLC | 90,805 | $4.35M | 0.77% | +90,805 | New |
| BlackRock Inc. | 85,628 | $4.10M | 0.00% | −1,084,047−92.7% | Reduced |
| Suvretta Capital Management, LLC | 73,821 | $3.54M | 0.16% | +73,821 | New |
| Verition Fund Management LLC | 58,086 | $2.78M | 0.03% | +58,086 | New |
| Geode Capital Management, LLC | 57,374 | $2.75M | 0.00% | −270,332−82.5% | Reduced |
| Citigroup Inc | 17,007 | $815.1K | 0.00% | +17,007 | New |
| Northern Trust Corp | 10,510 | $503.7K | 0.00% | −49,462−82.5% | Reduced |
| Renaissance Technologies LLC | 9,893 | $474.0K | 0.00% | −421,807−97.7% | Reduced |
| Jane Street Group, LLC | 7,365 | $353.0K | 0.00% | +7,365 | New |
| Morgan Stanley | 5,968 | $286.0K | 0.00% | −29,227−83.0% | Reduced |
| ExodusPoint Capital Management, LP | 5,610 | $269.0K | 0.00% | +5,610 | New |
| State Street Corp | 5,600 | $268.4K | 0.00% | −119,426−95.5% | Reduced |
| Bank of America Corp | 4,228 | $202.6K | 0.00% | −28,317−87.0% | Reduced |
| Tower Research Capital LLC (TRC) | 3,962 | $189.9K | 0.00% | +3,962 | New |
| Qube Research & Technologies Ltd | 1,005 | $48.2K | 0.00% | +1,003+50,150.0% | Added |
| North Star Investment Management Corp. | 1,000 | $47.9K | 0.00% | −119,000−99.2% | Reduced |
| Royal Bank of Canada | 918 | $44.0K | 0.00% | −268−22.6% | Reduced |
| UBS Group AG | 637 | $30.5K | 0.00% | −1,237−66.0% | Reduced |
| Duncker Streett & Co Inc | 437 | $20.9K | 0.00% | −21,418−98.0% | Reduced |
| Wells Fargo & Company | 48 | $2.30K | 0.00% | −569−92.2% | Reduced |
| TD Waterhouse Canada Inc. | 29 | $1.42K | 0.00% | −1,421−98.0% | Reduced |
| City State Bank | 20 | $1.00K | 0.00% | +20 | New |
| Orion Capital Management LLC | 20 | $959 | 0.00% | −980−98.0% | Reduced |
| JPMorgan Chase & Co | 18 | $862 | 0.00% | −592−97.0% | Reduced |
| Carmichael Hill & Associates, Inc. | 5 | $240 | 0.00% | −252−98.1% | Reduced |
| Group One Trading, L.P. | 4 | $192 | 0.00% | −4,689−99.9% | Reduced |
| Advisor Group Holdings, Inc. | 4 | $191 | 0.00% | −46−92.0% | Reduced |
| Kelly Financial Services LLC | 1 | $48 | 0.00% | −69−98.6% | Reduced |
| CWM, LLC | 6 | $0 | 0.00% | −294−98.0% | Reduced |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −1,200,000−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −212,082−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −140,945−100.0% | Sold out |
| Waldron Private Wealth LLC | 0 | $0 | 0.00% | −70,670−100.0% | Sold out |
| Jaffetilchin Investment Partners, LLC | 0 | $0 | 0.00% | −46,538−100.0% | Sold out |
| Cresset Asset Management, LLC | 0 | $0 | 0.00% | −37,500−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −30,030−100.0% | Sold out |
| Wealthsource Partners, LLC | 0 | $0 | 0.00% | −23,250−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −23,364−100.0% | Sold out |
| Essex Financial Services, Inc. | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Brown Advisory Inc | 0 | $0 | 0.00% | −19,795−100.0% | Sold out |
| Bank of New York Mellon Corp | 0 | $0 | 0.00% | −15,928−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −14,700−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −11,995−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −10,200−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −6,800−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −1,960−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |