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, Q1 2023
Institutional positions in Korro Bio, Inc. as of Mar 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
- 43
- −7 vs. Q4 2022
- Shares held
- 5.01M
- −2.38M (−32.2%) vs. Q4 2022
- Total value
- $2.52M
- −$25.8M (−91.1%) vs. Q4 2022
- New holders
- 6
- 13 more added
- Sold out
- 13
- 7 more reduced
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Korro Bio, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 566 | $0 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 300 | $0 | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 610 | $0 | 0.00% | +602+7,525.0% | Added |
| Kelly Financial Services LLC | 70 | $35 | 0.00% | 00.0% | Unchanged |
| Carmichael Hill & Associates, Inc. | 257 | $130 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 594 | $299 | 0.00% | +4+0.7% | Added |
| The PNC Financial Services Group, Inc. | 1,000 | $503 | 0.00% | +1,000 | New |
| Orion Capital Management LLC | 1,000 | $503 | 0.00% | +1,000 | New |
| Advisor Group Holdings, Inc. | 1,050 | $528 | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 1,242 | $625 | 0.00% | −39,594−97.0% | Reduced |
| TD Waterhouse Canada Inc. | 1,450 | $682 | 0.00% | 00.0% | Unchanged |
| Spire Wealth Management | 1,972 | $986 | 0.00% | +1,972 | New |
| City State Bank | 1,000 | $1.00K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 5,547 | $2.79K | 0.00% | −2,100−27.5% | Reduced |
| Cutler Group LP | 6,800 | $3.00K | 0.00% | 00.0% | Unchanged |
| Belpointe Asset Management LLC | 9,575 | $4.82K | 0.00% | −100−1.0% | Reduced |
| Tower Research Capital LLC (TRC) | 13,516 | $7.00K | 0.00% | +10,615+365.9% | Added |
| Bank of New York Mellon Corp | 15,928 | $8.01K | 0.00% | 00.0% | Unchanged |
| Brown Advisory Inc | 19,795 | $9.96K | 0.00% | 00.0% | Unchanged |
| Essex Financial Services, Inc. | 20,000 | $10.1K | 0.00% | 00.0% | Unchanged |
| Raymond James & Associates | 21,000 | $10.6K | 0.00% | +21,000 | New |
| Duncker Streett & Co Inc | 21,855 | $11.0K | 0.00% | +7,500+52.2% | Added |
| Charles Schwab Investment Management Inc | 23,364 | $11.8K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 33,230 | $16.7K | 0.00% | +613+1.9% | Added |
| Group One Trading, L.P. | 34,196 | $17.2K | 0.00% | +34,039+21,680.9% | Added |
| Cresset Asset Management, LLC | 37,500 | $18.9K | 0.00% | 00.0% | Unchanged |
| Northeast Financial Consultants Inc | 45,826 | $23.1K | 0.00% | 00.0% | Unchanged |
| Jaffetilchin Investment Partners, LLC | 46,688 | $23.5K | 0.00% | +777+1.7% | Added |
| Millennium Management LLC | 49,248 | $25.0K | 0.00% | −169,469−77.5% | Reduced |
| Bridgeway Capital Management, LLC | 50,700 | $25.5K | 0.00% | −38,000−42.8% | Reduced |
| Northern Trust Corp | 59,972 | $30.2K | 0.00% | −688−1.1% | Reduced |
| North Star Investment Management Corp. | 60,000 | $30.2K | 0.00% | 00.0% | Unchanged |
| Marshall Wace, LLP | 68,089 | $34.0K | 0.00% | +68,089 | New |
| Waldron Private Wealth LLC | 70,670 | $35.5K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 81,430 | $40.0K | 0.00% | +73,628+943.7% | Added |
| Morgan Stanley | 86,619 | $43.6K | 0.00% | +64,030+283.5% | Added |
| Susquehanna International Group, LLP | 107,309 | $54.0K | 0.00% | +39,080+57.3% | Added |
| State Street Corp | 133,026 | $66.9K | 0.00% | +9,000+7.3% | Added |
| Acadian Asset Management LLC | 140,945 | $70.0K | 0.00% | +140,945 | New |
| Geode Capital Management, LLC | 327,516 | $164.7K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 386,500 | $194.0K | 0.00% | +37,530+10.8% | Added |
| BlackRock Inc. | 1,298,920 | $653.4K | 0.00% | −120,996−8.5% | Reduced |
| Vanguard Group Inc | 1,727,566 | $869.0K | 0.00% | +4,400+0.3% | Added |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −1,311,580−100.0% | Sold out |
| Wasatch Advisors Inc | 0 | $0 | 0.00% | −752,973−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −264,728−100.0% | Sold out |
| Dimensional Fund Advisors LP | 0 | $0 | 0.00% | −52,076−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −42,925−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −25,555−100.0% | Sold out |
| Neuberger Berman Group LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Centaurus Financial, Inc. | 0 | $0 | 0.00% | −17,400−100.0% | Sold out |
| Cubic Asset Management, LLC | 0 | $0 | 0.00% | −11,000−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −10,587−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −10,029−100.0% | Sold out |
| Tortoise Investment Management, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −553−100.0% | Sold out |