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 |
|---|---|---|---|---|---|
| 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 |
| Kelly Financial Services LLC | 70 | $148 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 300 | $1.00K | 0.00% | 00.0% | Unchanged |
| Carmichael Hill & Associates, Inc. | 257 | $1.00K | 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 |
| TD Waterhouse Canada Inc. | 1,450 | $2.94K | 0.00% | 00.0% | Unchanged |
| 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 |
| Aquatic Capital Management LLC | 1,900 | $4.00K | 0.01% | +1,200+171.4% | Added |
| 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 |
| 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 |
| Simplex Trading, LLC | 3,677 | $7.00K | 0.00% | −882−19.3% | Reduced |
| 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 |
| 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 |
| Captrust Financial Advisors | 9,488 | $20.0K | 0.00% | 00.0% | Unchanged |
| Centaurus Financial, Inc. | 10,100 | $21.0K | 0.00% | +10,100 | New |
| Cubic Asset Management, LLC | 11,000 | $23.0K | 0.01% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 11,365 | $24.0K | 0.00% | +11,365 | New |
| Tortoise Investment Management, LLC | 12,683 | $27.0K | 0.01% | +12,683 | New |
| Public Employees Retirement System of Ohio | 13,851 | $29.0K | 0.00% | −100,688−87.9% | Reduced |
| 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 |
| Duncker Streett & Co Inc | 15,766 | $33.0K | 0.01% | +15,766 | New |
| American International Group, Inc. | 16,061 | $34.0K | 0.00% | −939−5.5% | Reduced |
| Deutsche Bank AG | 17,359 | $37.0K | 0.00% | −2,060−10.6% | Reduced |
| Barclays PLC | 18,498 | $39.0K | 0.00% | +18,498 | New |
| 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 |
| Dimensional Fund Advisors LP | 22,039 | $47.0K | 0.00% | 00.0% | Unchanged |
| Mirabella Financial Services LLP | 23,100 | $49.0K | 0.01% | +23,100 | 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 |
| 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 |
| 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 |
| Jaffetilchin Investment Partners, LLC | 47,483 | $59.0K | 0.01% | +21,111+80.1% | Added |
| Bank of America Corp | 28,486 | $60.0K | 0.00% | −15,539−35.3% | Reduced |
| AQR Capital Management LLC | 29,224 | $62.0K | 0.00% | +29,224 | New |
| Schonfeld Strategic Advisors LLC | 31,000 | $66.0K | 0.00% | +31,000 | New |
| Susquehanna Fundamental Investments, LLC | 31,668 | $67.0K | 0.00% | −12,601−28.5% | Reduced |
| Alliancebernstein L.P. | 33,800 | $72.0K | 0.00% | −3,300−8.9% | Reduced |
| Cresset Asset Management, LLC | 37,500 | $80.0K | 0.00% | +7,500+25.0% | Added |
| Rhumbline Advisers | 40,773 | $86.0K | 0.00% | −2,945−6.7% | Reduced |
| Neuberger Berman Group LLC | 42,466 | $90.0K | 0.00% | −50.0% | Reduced |
| Northeast Financial Consultants Inc | 45,826 | $97.0K | 0.01% | +30,000+189.6% | Added |
| 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 |
| North Star Investment Management Corp. | 60,000 | $127.0K | 0.01% | +60,000 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 61,985 | $131.0K | 0.00% | +61,985 | New |
| Parametric Portfolio Associates LLC | 72,705 | $154.0K | 0.00% | −11,106−13.3% | Reduced |
| Charles Schwab Investment Management Inc | 75,749 | $161.0K | 0.00% | −3,228−4.1% | Reduced |
| Walleye Capital LLC | 79,144 | $168.0K | 0.00% | −67,064−45.9% | Reduced |
| Millennium Management LLC | 86,499 | $183.0K | 0.00% | +29,845+52.7% | Added |
| Bridgeway Capital Management, LLC | 88,700 | $188.0K | 0.00% | 00.0% | Unchanged |
| South Dakota Investment Council | 95,056 | $202.0K | 0.00% | −621,670−86.7% | Reduced |
| Voya Investment Management LLC | 98,972 | $210.0K | 0.00% | +86,563+697.6% | Added |
| Two Sigma Investments, LP | 110,401 | $234.0K | 0.00% | +5,632+5.4% | Added |
| Bank of New York Mellon Corp | 115,591 | $246.0K | 0.00% | −1,380−1.2% | Reduced |
| Mariner, LLC | 128,585 | $273.0K | 0.00% | +128,585 | New |
| Goldman Sachs Group Inc | 163,508 | $346.0K | 0.00% | +24,088+17.3% | Added |
| Amundi | 274,652 | $420.0K | 0.00% | −8,383−3.0% | Reduced |
| Northern Trust Corp | 272,975 | $579.0K | 0.00% | −13,864−4.8% | Reduced |
| Renaissance Technologies LLC | 285,561 | $605.0K | 0.00% | +272,161+2,031.1% | Added |
| Gsa Capital Partners LLP | 301,510 | $639.0K | 0.09% | +81,578+37.1% | Added |
| Jacobs Levy Equity Management, Inc | 377,811 | $801.0K | 0.01% | +59,974+18.9% | Added |
| State Street Corp | 579,558 | $1.23M | 0.00% | −19,032−3.2% | Reduced |
| Geode Capital Management, LLC | 590,112 | $1.25M | 0.00% | +15,222+2.6% | Added |
| JPMorgan Chase & Co | 1,051,239 | $2.23M | 0.00% | −116,238−10.0% | Reduced |
| Vanguard Group Inc | 1,246,255 | $2.64M | 0.00% | −210,965−14.5% | Reduced |
| Wasatch Advisors Inc | 2,305,935 | $4.89M | 0.02% | −861,027−27.2% | Reduced |
| Federated Hermes, Inc. | 2,968,046 | $6.29M | 0.01% | +166,980+6.0% | Added |
| BlackRock Inc. | 3,301,798 | $7.00M | 0.00% | +256,801+8.4% | Added |
| 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 |