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 |
|---|---|---|---|---|---|
| Royal Bank of Canada | 1,186 | $0 | 0.00% | −474−28.6% | Reduced |
| CWM, LLC | 300 | $0 | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 2 | $1 | 0.00% | +2 | New |
| Advisor Group Holdings, Inc. | 50 | $18 | 0.00% | 00.0% | Unchanged |
| Kelly Financial Services LLC | 70 | $26 | 0.00% | 00.0% | Unchanged |
| Carmichael Hill & Associates, Inc. | 257 | $96 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 610 | $223 | 0.00% | +44+7.8% | Added |
| Wells Fargo & Company | 617 | $228 | 0.00% | +9+1.5% | Added |
| 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 |
| TD Waterhouse Canada Inc. | 1,450 | $539 | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 1,874 | $693 | 0.00% | −2,418−56.3% | Reduced |
| Spire Wealth Management | 1,960 | $725 | 0.00% | +22+1.1% | Added |
| Group One Trading, L.P. | 4,693 | $1.72K | 0.00% | +189+4.2% | Added |
| Cutler Group LP | 6,800 | $2.00K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 10,200 | $3.77K | 0.00% | +10,200 | New |
| Susquehanna International Group, LLP | 11,995 | $4.39K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 14,700 | $5.00K | 0.00% | +14,700 | New |
| Bank of New York Mellon Corp | 15,928 | $5.89K | 0.00% | 00.0% | Unchanged |
| Brown Advisory Inc | 19,795 | $7.32K | 0.00% | 00.0% | Unchanged |
| Essex Financial Services, Inc. | 20,000 | $7.40K | 0.00% | 00.0% | Unchanged |
| Duncker Streett & Co Inc | 21,855 | $8.09K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 23,364 | $8.55K | 0.00% | 00.0% | Unchanged |
| Wealthsource Partners, LLC | 23,250 | $8.60K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 30,030 | $11.0K | 0.00% | +30,030 | New |
| Bank of America Corp | 32,545 | $12.0K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 35,195 | $13.0K | 0.00% | +30,984+735.8% | Added |
| Cresset Asset Management, LLC | 37,500 | $13.9K | 0.00% | 00.0% | Unchanged |
| Jaffetilchin Investment Partners, LLC | 46,538 | $17.2K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 59,972 | $22.2K | 0.00% | 00.0% | Unchanged |
| Waldron Private Wealth LLC | 70,670 | $26.1K | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 120,000 | $44.4K | 0.00% | +60,000+100.0% | Added |
| State Street Corp | 125,026 | $45.8K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 140,945 | $50.0K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 212,082 | $78.5K | 0.00% | +212,082 | New |
| Geode Capital Management, LLC | 327,706 | $120.0K | 0.00% | +190+0.1% | Added |
| Renaissance Technologies LLC | 431,700 | $160.0K | 0.00% | +22,500+5.5% | Added |
| Citadel Advisors LLC | 1,080,483 | $395.6K | 0.00% | +1,079,241+86,895.4% | Added |
| BlackRock Inc. | 1,169,675 | $432.8K | 0.00% | −54,416−4.4% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,200,000 | $444.0K | 0.00% | +1,200,000 | New |
| Vanguard Group Inc | 1,704,479 | $630.7K | 0.00% | −23,087−1.3% | Reduced |
| 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 |