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 2022
Institutional positions in Korro Bio, Inc. as of Mar 31, 2022. 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
- 86
- +2 vs. Q4 2021
- Shares held
- 15.9M
- −1.85M (−10.5%) vs. Q4 2021
- Total value
- $33.1M
- −$57.1M (−63.3%) vs. Q4 2021
- New holders
- 22
- 19 more added
- Sold out
- 20
- 29 more reduced
Compare with Q4 2021: 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 2022
Shares, value and share of portfolio for each institution holding Korro Bio, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 3,301,798 | $7.00M | 0.00% | +256,801+8.4% | Added |
| Federated Hermes, Inc. | 2,968,046 | $6.29M | 0.01% | +166,980+6.0% | Added |
| Wasatch Advisors Inc | 2,305,935 | $4.89M | 0.02% | −861,027−27.2% | Reduced |
| Vanguard Group Inc | 1,246,255 | $2.64M | 0.00% | −210,965−14.5% | Reduced |
| JPMorgan Chase & Co | 1,051,239 | $2.23M | 0.00% | −116,238−10.0% | Reduced |
| Geode Capital Management, LLC | 590,112 | $1.25M | 0.00% | +15,222+2.6% | Added |
| State Street Corp | 579,558 | $1.23M | 0.00% | −19,032−3.2% | Reduced |
| Jacobs Levy Equity Management, Inc | 377,811 | $801.0K | 0.01% | +59,974+18.9% | Added |
| Gsa Capital Partners LLP | 301,510 | $639.0K | 0.09% | +81,578+37.1% | Added |
| Renaissance Technologies LLC | 285,561 | $605.0K | 0.00% | +272,161+2,031.1% | Added |
| Northern Trust Corp | 272,975 | $579.0K | 0.00% | −13,864−4.8% | Reduced |
| Amundi | 274,652 | $420.0K | 0.00% | −8,383−3.0% | Reduced |
| Goldman Sachs Group Inc | 163,508 | $346.0K | 0.00% | +24,088+17.3% | Added |
| Mariner, LLC | 128,585 | $273.0K | 0.00% | +128,585 | New |
| Bank of New York Mellon Corp | 115,591 | $246.0K | 0.00% | −1,380−1.2% | Reduced |
| Two Sigma Investments, LP | 110,401 | $234.0K | 0.00% | +5,632+5.4% | Added |
| Voya Investment Management LLC | 98,972 | $210.0K | 0.00% | +86,563+697.6% | Added |
| South Dakota Investment Council | 95,056 | $202.0K | 0.00% | −621,670−86.7% | Reduced |
| Bridgeway Capital Management, LLC | 88,700 | $188.0K | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 86,499 | $183.0K | 0.00% | +29,845+52.7% | Added |
| Walleye Capital LLC | 79,144 | $168.0K | 0.00% | −67,064−45.9% | Reduced |
| Charles Schwab Investment Management Inc | 75,749 | $161.0K | 0.00% | −3,228−4.1% | Reduced |
| Parametric Portfolio Associates LLC | 72,705 | $154.0K | 0.00% | −11,106−13.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 61,985 | $131.0K | 0.00% | +61,985 | New |
| North Star Investment Management Corp. | 60,000 | $127.0K | 0.01% | +60,000 | New |
| Morgan Stanley | 51,971 | $110.0K | 0.00% | −148,407−74.1% | Reduced |
| Occudo Quantitative Strategies LP | 51,849 | $110.0K | 0.01% | +29,034+127.3% | Added |
| Northeast Financial Consultants Inc | 45,826 | $97.0K | 0.01% | +30,000+189.6% | Added |
| Neuberger Berman Group LLC | 42,466 | $90.0K | 0.00% | −50.0% | Reduced |
| Rhumbline Advisers | 40,773 | $86.0K | 0.00% | −2,945−6.7% | Reduced |
| Cresset Asset Management, LLC | 37,500 | $80.0K | 0.00% | +7,500+25.0% | Added |
| Alliancebernstein L.P. | 33,800 | $72.0K | 0.00% | −3,300−8.9% | Reduced |
| Susquehanna Fundamental Investments, LLC | 31,668 | $67.0K | 0.00% | −12,601−28.5% | Reduced |
| Schonfeld Strategic Advisors LLC | 31,000 | $66.0K | 0.00% | +31,000 | New |
| AQR Capital Management LLC | 29,224 | $62.0K | 0.00% | +29,224 | New |
| Bank of America Corp | 28,486 | $60.0K | 0.00% | −15,539−35.3% | Reduced |
| Jaffetilchin Investment Partners, LLC | 47,483 | $59.0K | 0.01% | +21,111+80.1% | Added |
| Jump Financial, LLC | 25,267 | $54.0K | 0.00% | +9,979+65.3% | Added |
| Allspring Global Investments Holdings, LLC | 25,853 | $54.0K | 0.00% | +25,853 | New |
| Two Sigma Advisers, LP | 24,500 | $52.0K | 0.00% | −73,800−75.1% | Reduced |
| Algert Global LLC | 24,750 | $52.0K | 0.00% | +24,750 | New |
| PDT Partners, LLC | 23,397 | $50.0K | 0.00% | −21,535−47.9% | Reduced |
| Cubist Systematic Strategies, LLC | 23,509 | $50.0K | 0.00% | +23,509 | New |
| Mirabella Financial Services LLP | 23,100 | $49.0K | 0.01% | +23,100 | New |
| Dimensional Fund Advisors LP | 22,039 | $47.0K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 19,070 | $40.0K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 18,999 | $40.0K | 0.00% | +18,999 | New |
| Barclays PLC | 18,498 | $39.0K | 0.00% | +18,498 | New |
| Deutsche Bank AG | 17,359 | $37.0K | 0.00% | −2,060−10.6% | Reduced |
| American International Group, Inc. | 16,061 | $34.0K | 0.00% | −939−5.5% | Reduced |
| Duncker Streett & Co Inc | 15,766 | $33.0K | 0.01% | +15,766 | New |
| California State Teachers Retirement System | 14,157 | $30.0K | 0.00% | −3,139−18.1% | Reduced |
| ExodusPoint Capital Management, LP | 14,269 | $30.0K | 0.00% | +14,269 | New |
| Public Employees Retirement System of Ohio | 13,851 | $29.0K | 0.00% | −100,688−87.9% | Reduced |
| Tortoise Investment Management, LLC | 12,683 | $27.0K | 0.01% | +12,683 | New |
| Acadian Asset Management LLC | 11,365 | $24.0K | 0.00% | +11,365 | New |
| Cubic Asset Management, LLC | 11,000 | $23.0K | 0.01% | 00.0% | Unchanged |
| Centaurus Financial, Inc. | 10,100 | $21.0K | 0.00% | +10,100 | New |
| Captrust Financial Advisors | 9,488 | $20.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 6,568 | $14.0K | 0.00% | −7,491−53.3% | Reduced |
| Cutler Group LP | 6,800 | $14.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 6,434 | $14.0K | 0.00% | +3,113+93.7% | Added |
| Wells Fargo & Company | 3,807 | $8.00K | 0.00% | −11,191−74.6% | Reduced |
| Amalgamated Bank | 3,868 | $8.00K | 0.00% | +3,868 | New |
| Amalgamated Financial Corp. | 3,868 | $8.00K | 0.00% | +3,868 | New |
| Simplex Trading, LLC | 3,677 | $7.00K | 0.00% | −882−19.3% | Reduced |
| Citigroup Inc | 2,611 | $6.00K | 0.00% | −6,592−71.6% | Reduced |
| Royal Bank of Canada | 2,737 | $6.00K | 0.00% | −4,575−62.6% | Reduced |
| Legal & General Group Plc | 2,554 | $5.00K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,140 | $5.00K | 0.00% | 00.0% | Unchanged |
| Point72 Hong Kong Ltd | 2,234 | $5.00K | 0.00% | +2,234 | New |
| Aquatic Capital Management LLC | 1,900 | $4.00K | 0.01% | +1,200+171.4% | Added |
| Advisor Group Holdings, Inc. | 1,677 | $3.00K | 0.00% | −9,223−84.6% | Reduced |
| FMR LLC | 1,545 | $3.00K | 0.00% | +1,542+51,400.0% | Added |
| TD Waterhouse Canada Inc. | 1,450 | $2.94K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 1,327 | $2.00K | 0.00% | 00.0% | Unchanged |
| Bollard Group LLC | 1,111 | $2.00K | 0.00% | 00.0% | Unchanged |
| Prospera Financial Services Inc | 1,000 | $2.00K | 0.00% | +1,000 | New |
| FNY Investment Advisers, LLC | 1,300 | $2.00K | 0.00% | +1,300 | New |
| CWM, LLC | 300 | $1.00K | 0.00% | 00.0% | Unchanged |
| Carmichael Hill & Associates, Inc. | 257 | $1.00K | 0.00% | 00.0% | Unchanged |
| Kelly Financial Services LLC | 70 | $148 | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 4 | $0 | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 63 | $0 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 198 | $0 | 0.00% | +198 | New |
| Nuveen Asset Management, LLC | 136,663 | – | – | +2,381+1.8% | Added |
| Lombard Odier Asset Management (Switzerland) SA | 0 | $0 | 0.00% | −707,071−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −76,450−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −69,348−100.0% | Sold out |
| Anson Funds Management LP | 0 | $0 | 0.00% | −42,534−100.0% | Sold out |
| Granahan Investment Management Inc | 0 | $0 | 0.00% | −39,346−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −34,360−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −27,069−100.0% | Sold out |
| EMC Capital Management | 0 | $0 | 0.00% | −27,029−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −25,010−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −20,652−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −20,611−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −11,861−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −10,137−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −1,796−100.0% | Sold out |