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, Q2 2023
Institutional positions in Korro Bio, Inc. as of Jun 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
- 41
- −2 vs. Q1 2023
- Shares held
- 4.83M
- −183.5K (−3.7%) vs. Q1 2023
- Total value
- $1.67M
- −$849.4K (−33.7%) vs. Q1 2023
- New holders
- 4
- 5 more added
- Sold out
- 6
- 12 more reduced
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Korro Bio, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 1,727,566 | $597.7K | 0.00% | 00.0% | Unchanged |
| BlackRock Inc. | 1,224,091 | $423.5K | 0.00% | −74,829−5.8% | Reduced |
| Renaissance Technologies LLC | 409,200 | $142.0K | 0.00% | +22,700+5.9% | Added |
| Geode Capital Management, LLC | 327,516 | $113.3K | 0.00% | 00.0% | Unchanged |
| GTS Securities LLC | 223,278 | $77.3K | 0.00% | +223,278 | New |
| Acadian Asset Management LLC | 140,945 | $47.0K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 125,026 | $43.3K | 0.00% | −8,000−6.0% | Reduced |
| Millennium Management LLC | 83,305 | $28.8K | 0.00% | +34,057+69.2% | Added |
| Waldron Private Wealth LLC | 70,670 | $24.5K | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 60,000 | $20.8K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 59,972 | $20.8K | 0.00% | 00.0% | Unchanged |
| Jaffetilchin Investment Partners, LLC | 46,538 | $16.1K | 0.00% | −150−0.3% | Reduced |
| Northeast Financial Consultants Inc | 42,857 | $14.8K | 0.00% | −2,969−6.5% | Reduced |
| Cresset Asset Management, LLC | 37,500 | $13.0K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 32,545 | $11.3K | 0.00% | −685−2.1% | Reduced |
| Raymond James & Associates | 26,000 | $9.00K | 0.00% | +5,000+23.8% | Added |
| Charles Schwab Investment Management Inc | 23,364 | $8.08K | 0.00% | 00.0% | Unchanged |
| Wealthsource Partners, LLC | 23,250 | $8.04K | 0.00% | +23,250 | New |
| Duncker Streett & Co Inc | 21,855 | $7.56K | 0.00% | 00.0% | Unchanged |
| Essex Financial Services, Inc. | 20,000 | $6.92K | 0.00% | 00.0% | Unchanged |
| Brown Advisory Inc | 19,795 | $6.85K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 15,928 | $5.51K | 0.00% | 00.0% | Unchanged |
| StoneX Group Inc. | 14,504 | $5.02K | 0.00% | +14,504 | New |
| Tower Research Capital LLC (TRC) | 13,226 | $4.58K | 0.00% | −290−2.1% | Reduced |
| Susquehanna International Group, LLP | 11,995 | $4.15K | 0.00% | −95,314−88.8% | Reduced |
| Cutler Group LP | 6,800 | $2.00K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 4,504 | $1.56K | 0.00% | −29,692−86.8% | Reduced |
| UBS Group AG | 4,292 | $1.49K | 0.00% | −1,255−22.6% | Reduced |
| Morgan Stanley | 4,211 | $1.46K | 0.00% | −82,408−95.1% | Reduced |
| Royal Bank of Canada | 1,660 | $1.00K | 0.00% | +1,050+172.1% | Added |
| Spire Wealth Management | 1,938 | $678 | 0.00% | −34−1.7% | Reduced |
| TD Waterhouse Canada Inc. | 1,450 | $493 | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 1,242 | $430 | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 1,058 | $366 | 0.00% | +1,058 | New |
| The PNC Financial Services Group, Inc. | 1,000 | $346 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 608 | $210 | 0.00% | +14+2.4% | Added |
| JPMorgan Chase & Co | 566 | $196 | 0.00% | 00.0% | Unchanged |
| Carmichael Hill & Associates, Inc. | 257 | $89 | 0.00% | 00.0% | Unchanged |
| Kelly Financial Services LLC | 70 | $24 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 50 | $17 | 0.00% | −1,000−95.2% | Reduced |
| CWM, LLC | 300 | $0 | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −81,430−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −68,089−100.0% | Sold out |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −50,700−100.0% | Sold out |
| Belpointe Asset Management LLC | 0 | $0 | 0.00% | −9,575−100.0% | Sold out |
| City State Bank | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Orion Capital Management LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |