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 2024
Institutional positions in Korro Bio, Inc. as of Mar 31, 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
- 49
- +9 vs. Q4 2023
- Shares held
- 6.91M
- +345.4K (+5.3%) vs. Q4 2023
- Total value
- $618.6M
- +$317.1M (+105.2%) vs. Q4 2023
- New holders
- 11
- 13 more added
- Sold out
- 2
- 8 more reduced
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Korro Bio, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Atlas Venture Life Science Advisors, LLC | 1,119,292 | $100.7M | 9.30% | 00.0% | Unchanged |
| NEA Management Company, LLC | 1,072,936 | $96.6M | 5.99% | 00.0% | Unchanged |
| FMR LLC | 727,205 | $63.4M | 0.00% | 00.0% | Unchanged |
| Eventide Asset Management, LLC | 537,490 | $48.4M | 0.76% | −8,835−1.6% | Reduced |
| Cormorant Asset Management, LP | 529,170 | $47.6M | 2.10% | 00.0% | Unchanged |
| Citadel Advisors LLC | 529,180 | $46.4M | 0.04% | +70.0% | Added |
| Artal Group S.A. | 419,226 | $37.7M | 0.97% | +621+0.1% | Added |
| Qiming U.S. Ventures Management, LLC | 368,085 | $33.1M | 36.93% | 00.0% | Unchanged |
| 72 Investment Holdings, LLC | 276,831 | $24.9M | 37.14% | 00.0% | Unchanged |
| Vanguard Group Inc | 266,667 | $24.0M | 0.00% | −4,307−1.6% | Reduced |
| Point72 Asset Management, L.P. | 265,826 | $23.9M | 0.07% | 00.0% | Unchanged |
| Verition Fund Management LLC | 140,091 | $12.6M | 0.12% | +82,005+141.2% | Added |
| BlackRock Inc. | 80,621 | $7.26M | 0.00% | −5,007−5.8% | Reduced |
| Suvretta Capital Management, LLC | 73,821 | $6.64M | 0.28% | 00.0% | Unchanged |
| Invesco Ltd. | 72,419 | $6.52M | 0.00% | +72,419 | New |
| Millennium Management LLC | 60,894 | $5.48M | 0.00% | +60,894 | New |
| Geode Capital Management, LLC | 58,241 | $5.24M | 0.00% | +867+1.5% | Added |
| Monashee Investment Management LLC | 55,364 | $4.98M | 0.59% | −35,441−39.0% | Reduced |
| Goldman Sachs Group Inc | 45,171 | $4.07M | 0.00% | +45,171 | New |
| ExodusPoint Capital Management, LP | 40,902 | $3.68M | 0.05% | +35,292+629.1% | Added |
| Jane Street Group, LLC | 25,814 | $2.32M | 0.00% | +18,449+250.5% | Added |
| Qube Research & Technologies Ltd | 23,211 | $2.09M | 0.00% | +22,206+2,209.6% | Added |
| Citigroup Inc | 19,289 | $1.74M | 0.00% | +2,282+13.4% | Added |
| State Street Corp | 18,100 | $1.63M | 0.00% | +12,500+223.2% | Added |
| Marshall Wace, LLP | 13,407 | $1.21M | 0.00% | +13,407 | New |
| JPMorgan Chase & Co | 13,163 | $1.18M | 0.00% | +13,145+73,027.8% | Added |
| Susquehanna International Group, LLP | 11,276 | $1.01M | 0.00% | +11,276 | New |
| Northern Trust Corp | 10,293 | $926.4K | 0.00% | −217−2.1% | Reduced |
| Renaissance Technologies LLC | 9,893 | $890.0K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 7,669 | $690.2K | 0.00% | +1,701+28.5% | Added |
| Bank of America Corp | 5,027 | $452.4K | 0.00% | +799+18.9% | Added |
| Balyasny Asset Management LLC | 3,773 | $339.6K | 0.00% | +3,773 | New |
| Brevan Howard Capital Management LP | 3,602 | $324.2K | 0.03% | +3,602 | New |
| Charles Schwab Investment Management Inc | 3,147 | $283.2K | 0.00% | +3,147 | New |
| North Star Investment Management Corp. | 1,000 | $90.0K | 0.01% | 00.0% | Unchanged |
| Duncker Streett & Co Inc | 437 | $39.3K | 0.01% | 00.0% | Unchanged |
| Quarry LP | 400 | $36.0K | 0.01% | +400 | New |
| UBS Group AG | 271 | $24.4K | 0.00% | −366−57.5% | Reduced |
| Royal Bank of Canada | 97 | $9.00K | 0.00% | −821−89.4% | Reduced |
| Tower Research Capital LLC (TRC) | 50 | $4.50K | 0.00% | −3,912−98.7% | Reduced |
| Wells Fargo & Company | 49 | $4.41K | 0.00% | +1+2.1% | Added |
| TD Waterhouse Canada Inc. | 29 | $2.35K | 0.00% | 00.0% | Unchanged |
| City State Bank | 20 | $2.00K | 0.00% | 00.0% | Unchanged |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 20 | $1.80K | 0.00% | +20 | New |
| CWM, LLC | 6 | $1.00K | 0.00% | 00.0% | Unchanged |
| Carmichael Hill & Associates, Inc. | 5 | $450 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 4 | $360 | 0.00% | 00.0% | Unchanged |
| Kelly Financial Services LLC | 1 | $90 | 0.00% | 00.0% | Unchanged |
| Macquarie Group Ltd | 389 | $35 | 0.00% | +389 | New |
| Orion Capital Management LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −4−100.0% | Sold out |