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, Q3 2023
Institutional positions in Korro Bio, Inc. as of Sep 30, 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
- 42
- +1 vs. Q2 2023
- Shares held
- 10.6M
- +5.77M (+119.5%) vs. Q2 2023
- Total value
- $2.58M
- +$913.0K (+54.7%) vs. Q2 2023
- New holders
- 8
- 9 more added
- Sold out
- 7
- 4 more reduced
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Korro Bio, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 1,704,479 | $630.7K | 0.00% | −23,087−1.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,200,000 | $444.0K | 0.00% | +1,200,000 | New |
| BlackRock Inc. | 1,169,675 | $432.8K | 0.00% | −54,416−4.4% | Reduced |
| Citadel Advisors LLC | 1,080,483 | $395.6K | 0.00% | +1,079,241+86,895.4% | Added |
| Renaissance Technologies LLC | 431,700 | $160.0K | 0.00% | +22,500+5.5% | Added |
| Geode Capital Management, LLC | 327,706 | $120.0K | 0.00% | +190+0.1% | Added |
| Goldman Sachs Group Inc | 212,082 | $78.5K | 0.00% | +212,082 | New |
| Acadian Asset Management LLC | 140,945 | $50.0K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 125,026 | $45.8K | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 120,000 | $44.4K | 0.00% | +60,000+100.0% | Added |
| Waldron Private Wealth LLC | 70,670 | $26.1K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 59,972 | $22.2K | 0.00% | 00.0% | Unchanged |
| Jaffetilchin Investment Partners, LLC | 46,538 | $17.2K | 0.00% | 00.0% | Unchanged |
| Cresset Asset Management, LLC | 37,500 | $13.9K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 35,195 | $13.0K | 0.00% | +30,984+735.8% | Added |
| Bank of America Corp | 32,545 | $12.0K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 30,030 | $11.0K | 0.00% | +30,030 | New |
| Wealthsource Partners, LLC | 23,250 | $8.60K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 23,364 | $8.55K | 0.00% | 00.0% | Unchanged |
| Duncker Streett & Co Inc | 21,855 | $8.09K | 0.00% | 00.0% | Unchanged |
| Essex Financial Services, Inc. | 20,000 | $7.40K | 0.00% | 00.0% | Unchanged |
| Brown Advisory Inc | 19,795 | $7.32K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 15,928 | $5.89K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 14,700 | $5.00K | 0.00% | +14,700 | New |
| Susquehanna International Group, LLP | 11,995 | $4.39K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 10,200 | $3.77K | 0.00% | +10,200 | New |
| Cutler Group LP | 6,800 | $2.00K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 4,693 | $1.72K | 0.00% | +189+4.2% | Added |
| Spire Wealth Management | 1,960 | $725 | 0.00% | +22+1.1% | Added |
| UBS Group AG | 1,874 | $693 | 0.00% | −2,418−56.3% | Reduced |
| TD Waterhouse Canada Inc. | 1,450 | $539 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 1,000 | $370 | 0.00% | 00.0% | Unchanged |
| Orion Capital Management LLC | 1,000 | $370 | 0.00% | +1,000 | New |
| Wells Fargo & Company | 617 | $228 | 0.00% | +9+1.5% | Added |
| JPMorgan Chase & Co | 610 | $223 | 0.00% | +44+7.8% | Added |
| Carmichael Hill & Associates, Inc. | 257 | $96 | 0.00% | 00.0% | Unchanged |
| Kelly Financial Services LLC | 70 | $26 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 50 | $18 | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 2 | $1 | 0.00% | +2 | New |
| Royal Bank of Canada | 1,186 | $0 | 0.00% | −474−28.6% | Reduced |
| CWM, LLC | 300 | $0 | 0.00% | 00.0% | Unchanged |
| Eventide Asset Management, LLC | 3,597,122 | – | – | +3,597,122 | New |
| GTS Securities LLC | 0 | $0 | 0.00% | −223,278−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −83,305−100.0% | Sold out |
| Northeast Financial Consultants Inc | 0 | $0 | 0.00% | −42,857−100.0% | Sold out |
| Raymond James & Associates | 0 | $0 | 0.00% | −26,000−100.0% | Sold out |
| StoneX Group Inc. | 0 | $0 | 0.00% | −14,504−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −13,226−100.0% | Sold out |
| Rhumbline Advisers | 0 | $0 | 0.00% | −1,058−100.0% | Sold out |