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 2024
Institutional positions in Korro Bio, Inc. as of Sep 30, 2024. 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
- 71
- +8 vs. Q2 2024
- Shares held
- 8.54M
- +507.5K (+6.3%) vs. Q2 2024
- Total value
- $285.3M
- +$13.3M (+4.9%) vs. Q2 2024
- New holders
- 16
- 21 more added
- Sold out
- 8
- 14 more reduced
1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: 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 2024
Shares, value and share of portfolio for each institution holding Korro Bio, Inc.; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Atlas Venture Life Science Advisors, LLC | 1,137,149 | $38.0M | 3.52% | 00.0% | Unchanged |
| NEA Management Company, LLC | 1,090,793 | $36.5M | 1.99% | 00.0% | Unchanged |
| Deep Track Capital, LP | 850,000 | $28.4M | 0.91% | +79,355+10.3% | Added |
| FMR LLC | 579,563 | $19.4M | 0.00% | −59,562−9.3% | Reduced |
| Citadel Advisors LLC | 529,173 | $17.7M | 0.02% | 00.0% | Unchanged |
| BlackRock, Inc. | 449,950 | $15.0M | 0.00% | +449,950 | New |
| Point72 Asset Management, L.P. | 444,850 | $14.9M | 0.05% | −11,235−2.5% | Reduced |
| Vanguard Group Inc | 436,861 | $14.6M | 0.00% | −31,442−6.7% | Reduced |
| Siren, L.L.C. | 418,833 | $14.0M | 0.70% | +418,833 | New |
| Eventide Asset Management, LLC | 391,166 | $13.1M | 0.23% | −137,989−26.1% | Reduced |
| Qiming U.S. Ventures Management, LLC | 368,085 | $12.3M | 23.95% | 00.0% | Unchanged |
| 72 Investment Holdings, LLC | 276,831 | $9.25M | 19.89% | 00.0% | Unchanged |
| Cormorant Asset Management, LP | 265,826 | $8.88M | 0.47% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 154,495 | $5.16M | 0.04% | +37,637+32.2% | Added |
| Schonfeld Strategic Advisors LLC | 142,645 | $4.77M | 0.04% | +102,342+253.9% | Added |
| Geode Capital Management, LLC | 137,497 | $4.60M | 0.00% | −2,161−1.5% | Reduced |
| State Street Corp | 118,765 | $3.97M | 0.00% | +18,877+18.9% | Added |
| Ghost Tree Capital, LLC | 110,000 | $3.68M | 1.25% | +10,000+10.0% | Added |
| Verition Fund Management LLC | 93,289 | $3.12M | 0.02% | −29,095−23.8% | Reduced |
| Millennium Management LLC | 72,261 | $2.41M | 0.00% | −11,940−14.2% | Reduced |
| Tri Locum Partners LP | 64,014 | $2.14M | 0.51% | −7,414−10.4% | Reduced |
| Northern Trust Corp | 57,830 | $1.93M | 0.00% | +42,548+278.4% | Added |
| ADAR1 Capital Management, LLC | 49,451 | $1.65M | 0.28% | +42,241+585.9% | Added |
| ExodusPoint Capital Management, LP | 41,257 | $1.38M | 0.01% | −14,671−26.2% | Reduced |
| Rock Springs Capital Management LP | 35,719 | $1.19M | 0.04% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 30,000 | $1.00M | 0.01% | +30,000 | New |
| Morgan Stanley | 23,355 | $780.5K | 0.00% | +10,334+79.4% | Added |
| Charles Schwab Investment Management Inc | 17,567 | $587.1K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 14,353 | $479.7K | 0.00% | −4,795−25.0% | Reduced |
| Wellington Management Group LLP | 13,052 | $436.2K | 0.00% | +13,052 | New |
| Goldman Sachs Group Inc | 12,814 | $428.2K | 0.00% | +3,823+42.5% | Added |
| JPMorgan Chase & Co | 12,391 | $414.1K | 0.00% | +9,782+374.9% | Added |
| Blair William & Co | 12,200 | $407.7K | 0.00% | +12,200 | New |
| Nuveen Asset Management, LLC | 11,164 | $373.1K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 9,730 | $325.2K | 0.00% | +5,317+120.5% | Added |
| Rhumbline Advisers | 8,911 | $297.8K | 0.00% | +684+8.3% | Added |
| HRT Financial LP | 6,642 | $221.0K | 0.00% | −25,882−79.6% | Reduced |
| Bank of America Corp | 6,456 | $215.8K | 0.00% | +1,536+31.2% | Added |
| BNP Paribas Arbitrage, SA | 4,909 | $164.1K | 0.00% | +4,470+1,018.2% | Added |
| Citigroup Inc | 4,432 | $148.1K | 0.00% | +3,074+226.4% | Added |
| MetLife Investment Management | 3,639 | $121.6K | 0.00% | +2,050+129.0% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 3,350 | $112.0K | 0.00% | +3,350 | New |
| Corebridge Financial, Inc. | 3,261 | $109.0K | 0.00% | −20−0.6% | Reduced |
| Deutsche Bank AG | 3,175 | $106.1K | 0.00% | +3,175 | New |
| New York State Common Retirement Fund | 3,000 | $100.3K | 0.00% | 00.0% | Unchanged |
| Vestcor Inc | 3,000 | $100.0K | 0.00% | +3,000 | New |
| Brown Brothers Harriman & Co | 2,854 | $95.4K | 0.00% | +2,041+251.0% | Added |
| Wells Fargo & Company | 2,561 | $85.6K | 0.00% | +68+2.7% | Added |
| Quest Partners LLC | 1,777 | $59.4K | 0.01% | +1,124+172.1% | Added |
| North Star Investment Management Corp. | 1,000 | $33.4K | 0.00% | −1,000−50.0% | Reduced |
| Jaffetilchin Investment Partners, LLC | 945 | $31.6K | 0.00% | +945 | New |
| Royal Bank of Canada | 678 | $23.0K | 0.00% | +3+0.4% | Added |
| Quarry LP | 600 | $20.1K | 0.01% | −32−5.1% | Reduced |
| Ameritas Investment Partners, Inc. | 598 | $20.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 566 | $18.9K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 442 | $14.8K | 0.00% | 00.0% | Unchanged |
| Duncker Streett & Co Inc | 437 | $14.6K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 434 | $14.5K | 0.00% | +434 | New |
| Amalgamated Bank | 211 | $7.00K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 85 | $2.84K | 0.00% | +12+16.4% | Added |
| Lindbrook Capital, LLC | 45 | $1.50K | 0.00% | +45 | New |
| Signaturefd, LLC | 41 | $1.37K | 0.00% | +41 | New |
| TD Waterhouse Canada Inc. | 29 | $957 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 22 | $735 | 0.00% | +22 | New |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 20 | $668 | 0.00% | 00.0% | Unchanged |
| City State Bank | 20 | $668 | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 16 | $535 | 0.00% | +16 | New |
| Carmichael Hill & Associates, Inc. | 5 | $168 | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 4 | $134 | 0.00% | +4 | New |
| Advisor Group Holdings, Inc. | 4 | $133 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 3 | $0 | 0.00% | +3 | New |
| Artal Group S.A. | 0 | $0 | 0.00% | −413,072−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −29,534−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −9,103−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −6,355−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −5,750−100.0% | Sold out |
| Lynx1 Capital Management LP | 0 | $0 | 0.00% | −3,800−100.0% | Sold out |
| Strategic Investment Solutions, Inc. | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Kelly Financial Services LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| BlackRock Inc. | – | – | – | – | Not filed |