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 |
|---|---|---|---|---|---|
| CWM, LLC | 6 | $0 | 0.00% | −294−98.0% | Reduced |
| Kelly Financial Services LLC | 1 | $48 | 0.00% | −69−98.6% | Reduced |
| Advisor Group Holdings, Inc. | 4 | $191 | 0.00% | −46−92.0% | Reduced |
| Group One Trading, L.P. | 4 | $192 | 0.00% | −4,689−99.9% | Reduced |
| Carmichael Hill & Associates, Inc. | 5 | $240 | 0.00% | −252−98.1% | Reduced |
| JPMorgan Chase & Co | 18 | $862 | 0.00% | −592−97.0% | Reduced |
| Orion Capital Management LLC | 20 | $959 | 0.00% | −980−98.0% | Reduced |
| City State Bank | 20 | $1.00K | 0.00% | +20 | New |
| TD Waterhouse Canada Inc. | 29 | $1.42K | 0.00% | −1,421−98.0% | Reduced |
| Wells Fargo & Company | 48 | $2.30K | 0.00% | −569−92.2% | Reduced |
| Duncker Streett & Co Inc | 437 | $20.9K | 0.00% | −21,418−98.0% | Reduced |
| UBS Group AG | 637 | $30.5K | 0.00% | −1,237−66.0% | Reduced |
| Royal Bank of Canada | 918 | $44.0K | 0.00% | −268−22.6% | Reduced |
| North Star Investment Management Corp. | 1,000 | $47.9K | 0.00% | −119,000−99.2% | Reduced |
| Qube Research & Technologies Ltd | 1,005 | $48.2K | 0.00% | +1,003+50,150.0% | Added |
| Tower Research Capital LLC (TRC) | 3,962 | $189.9K | 0.00% | +3,962 | New |
| Bank of America Corp | 4,228 | $202.6K | 0.00% | −28,317−87.0% | Reduced |
| State Street Corp | 5,600 | $268.4K | 0.00% | −119,426−95.5% | Reduced |
| ExodusPoint Capital Management, LP | 5,610 | $269.0K | 0.00% | +5,610 | New |
| Morgan Stanley | 5,968 | $286.0K | 0.00% | −29,227−83.0% | Reduced |
| Jane Street Group, LLC | 7,365 | $353.0K | 0.00% | +7,365 | New |
| Renaissance Technologies LLC | 9,893 | $474.0K | 0.00% | −421,807−97.7% | Reduced |
| Northern Trust Corp | 10,510 | $503.7K | 0.00% | −49,462−82.5% | Reduced |
| Citigroup Inc | 17,007 | $815.1K | 0.00% | +17,007 | New |
| Geode Capital Management, LLC | 57,374 | $2.75M | 0.00% | −270,332−82.5% | Reduced |
| Verition Fund Management LLC | 58,086 | $2.78M | 0.03% | +58,086 | New |
| Suvretta Capital Management, LLC | 73,821 | $3.54M | 0.16% | +73,821 | New |
| BlackRock Inc. | 85,628 | $4.10M | 0.00% | −1,084,047−92.7% | Reduced |
| Monashee Investment Management LLC | 90,805 | $4.35M | 0.77% | +90,805 | New |
| Point72 Asset Management, L.P. | 265,826 | $12.7M | 0.04% | +265,826 | New |
| Vanguard Group Inc | 270,974 | $13.0M | 0.00% | −1,433,505−84.1% | Reduced |
| 72 Investment Holdings, LLC | 276,831 | $13.3M | 58.92% | +276,831 | New |
| Qiming U.S. Ventures Management, LLC | 368,085 | $17.6M | 16.15% | +368,085 | New |
| Artal Group S.A. | 418,605 | $20.1M | 0.68% | +418,605 | New |
| Citadel Advisors LLC | 529,173 | $24.7M | 0.02% | −551,310−51.0% | Reduced |
| Cormorant Asset Management, LP | 529,170 | $25.4M | 1.21% | +529,170 | New |
| Eventide Asset Management, LLC | 546,325 | $26.2M | 0.43% | −3,050,797−84.8% | Reduced |
| FMR LLC | 727,205 | $32.6M | 0.00% | +727,205 | New |
| NEA Management Company, LLC | 1,072,936 | $41.1M | 2.74% | +1,072,936 | New |
| Atlas Venture Life Science Advisors, LLC | 1,119,292 | $53.6M | 6.39% | +1,119,292 | New |
| 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 |