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 |
|---|---|---|---|---|---|
| CWM, LLC | 3 | $0 | 0.00% | +3 | New |
| Advisor Group Holdings, Inc. | 4 | $133 | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 4 | $134 | 0.00% | +4 | New |
| Carmichael Hill & Associates, Inc. | 5 | $168 | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 16 | $535 | 0.00% | +16 | 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 |
| Nisa Investment Advisors, LLC | 22 | $735 | 0.00% | +22 | New |
| TD Waterhouse Canada Inc. | 29 | $957 | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 41 | $1.37K | 0.00% | +41 | New |
| Lindbrook Capital, LLC | 45 | $1.50K | 0.00% | +45 | New |
| US Bancorp | 85 | $2.84K | 0.00% | +12+16.4% | Added |
| Amalgamated Bank | 211 | $7.00K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 434 | $14.5K | 0.00% | +434 | New |
| Duncker Streett & Co Inc | 437 | $14.6K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 442 | $14.8K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 566 | $18.9K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 598 | $20.0K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 600 | $20.1K | 0.01% | −32−5.1% | Reduced |
| Royal Bank of Canada | 678 | $23.0K | 0.00% | +3+0.4% | Added |
| Jaffetilchin Investment Partners, LLC | 945 | $31.6K | 0.00% | +945 | New |
| North Star Investment Management Corp. | 1,000 | $33.4K | 0.00% | −1,000−50.0% | Reduced |
| Quest Partners LLC | 1,777 | $59.4K | 0.01% | +1,124+172.1% | Added |
| Wells Fargo & Company | 2,561 | $85.6K | 0.00% | +68+2.7% | Added |
| Brown Brothers Harriman & Co | 2,854 | $95.4K | 0.00% | +2,041+251.0% | Added |
| Vestcor Inc | 3,000 | $100.0K | 0.00% | +3,000 | New |
| New York State Common Retirement Fund | 3,000 | $100.3K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 3,175 | $106.1K | 0.00% | +3,175 | New |
| Corebridge Financial, Inc. | 3,261 | $109.0K | 0.00% | −20−0.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 3,350 | $112.0K | 0.00% | +3,350 | New |
| MetLife Investment Management | 3,639 | $121.6K | 0.00% | +2,050+129.0% | Added |
| Citigroup Inc | 4,432 | $148.1K | 0.00% | +3,074+226.4% | Added |
| BNP Paribas Arbitrage, SA | 4,909 | $164.1K | 0.00% | +4,470+1,018.2% | Added |
| Bank of America Corp | 6,456 | $215.8K | 0.00% | +1,536+31.2% | Added |
| HRT Financial LP | 6,642 | $221.0K | 0.00% | −25,882−79.6% | Reduced |
| Rhumbline Advisers | 8,911 | $297.8K | 0.00% | +684+8.3% | Added |
| UBS Group AG | 9,730 | $325.2K | 0.00% | +5,317+120.5% | Added |
| Nuveen Asset Management, LLC | 11,164 | $373.1K | 0.00% | 00.0% | Unchanged |
| Blair William & Co | 12,200 | $407.7K | 0.00% | +12,200 | New |
| JPMorgan Chase & Co | 12,391 | $414.1K | 0.00% | +9,782+374.9% | Added |
| Goldman Sachs Group Inc | 12,814 | $428.2K | 0.00% | +3,823+42.5% | Added |
| Wellington Management Group LLP | 13,052 | $436.2K | 0.00% | +13,052 | New |
| Bank of New York Mellon Corp | 14,353 | $479.7K | 0.00% | −4,795−25.0% | Reduced |
| Charles Schwab Investment Management Inc | 17,567 | $587.1K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 23,355 | $780.5K | 0.00% | +10,334+79.4% | Added |
| Hudson Bay Capital Management LP | 30,000 | $1.00M | 0.01% | +30,000 | New |
| Rock Springs Capital Management LP | 35,719 | $1.19M | 0.04% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 41,257 | $1.38M | 0.01% | −14,671−26.2% | Reduced |
| ADAR1 Capital Management, LLC | 49,451 | $1.65M | 0.28% | +42,241+585.9% | Added |
| Northern Trust Corp | 57,830 | $1.93M | 0.00% | +42,548+278.4% | Added |
| Tri Locum Partners LP | 64,014 | $2.14M | 0.51% | −7,414−10.4% | Reduced |
| Millennium Management LLC | 72,261 | $2.41M | 0.00% | −11,940−14.2% | Reduced |
| Verition Fund Management LLC | 93,289 | $3.12M | 0.02% | −29,095−23.8% | Reduced |
| Ghost Tree Capital, LLC | 110,000 | $3.68M | 1.25% | +10,000+10.0% | Added |
| State Street Corp | 118,765 | $3.97M | 0.00% | +18,877+18.9% | Added |
| Geode Capital Management, LLC | 137,497 | $4.60M | 0.00% | −2,161−1.5% | Reduced |
| Schonfeld Strategic Advisors LLC | 142,645 | $4.77M | 0.04% | +102,342+253.9% | Added |
| Driehaus Capital Management LLC | 154,495 | $5.16M | 0.04% | +37,637+32.2% | Added |
| Cormorant Asset Management, LP | 265,826 | $8.88M | 0.47% | 00.0% | Unchanged |
| 72 Investment Holdings, LLC | 276,831 | $9.25M | 19.89% | 00.0% | Unchanged |
| Qiming U.S. Ventures Management, LLC | 368,085 | $12.3M | 23.95% | 00.0% | Unchanged |
| Eventide Asset Management, LLC | 391,166 | $13.1M | 0.23% | −137,989−26.1% | Reduced |
| Siren, L.L.C. | 418,833 | $14.0M | 0.70% | +418,833 | New |
| Vanguard Group Inc | 436,861 | $14.6M | 0.00% | −31,442−6.7% | Reduced |
| Point72 Asset Management, L.P. | 444,850 | $14.9M | 0.05% | −11,235−2.5% | Reduced |
| BlackRock, Inc. | 449,950 | $15.0M | 0.00% | +449,950 | New |
| Citadel Advisors LLC | 529,173 | $17.7M | 0.02% | 00.0% | Unchanged |
| FMR LLC | 579,563 | $19.4M | 0.00% | −59,562−9.3% | Reduced |
| Deep Track Capital, LP | 850,000 | $28.4M | 0.91% | +79,355+10.3% | Added |
| NEA Management Company, LLC | 1,090,793 | $36.5M | 1.99% | 00.0% | Unchanged |
| Atlas Venture Life Science Advisors, LLC | 1,137,149 | $38.0M | 3.52% | 00.0% | Unchanged |
| 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 |