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 2021
Institutional positions in Korro Bio, Inc. as of Sep 30, 2021. 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
- 88
- −3 vs. Q2 2021
- Shares held
- 18.6M
- −937.3K (−4.8%) vs. Q2 2021
- Total value
- $130.4M
- −$63.5M (−32.8%) vs. Q2 2021
- New holders
- 9
- 25 more added
- Sold out
- 12
- 34 more reduced
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Korro Bio, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Daiwa Securities Group Inc. | 63 | $0 | 0.00% | 00.0% | Unchanged |
| Global Financial Private Client, LLC | 40 | $282 | 0.00% | 00.0% | Unchanged |
| Kelly Financial Services LLC | 70 | $494 | 0.00% | −627−90.0% | Reduced |
| The PNC Financial Services Group, Inc. | 88 | $1.00K | 0.00% | +88 | New |
| Wells Fargo & Company | 373 | $2.00K | 0.00% | −15,342−97.6% | Reduced |
| US Bancorp | 219 | $2.00K | 0.00% | −1,886−89.6% | Reduced |
| Carmichael Hill & Associates, Inc. | 257 | $2.00K | 0.00% | 00.0% | Unchanged |
| Hartford Financial Management Inc. | 500 | $4.00K | 0.00% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 785 | $5.00K | 0.00% | +5+0.6% | Added |
| UBS Group AG | 913 | $7.00K | 0.00% | −908−49.9% | Reduced |
| Tower Research Capital LLC (TRC) | 1,040 | $8.00K | 0.00% | −1,281−55.2% | Reduced |
| Bollard Group LLC | 1,111 | $8.00K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 1,327 | $9.00K | 0.00% | −1,873−58.5% | Reduced |
| Great West Life Assurance Co | 1,717 | $12.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,732 | $12.0K | 0.00% | −1−0.1% | Reduced |
| Eaton Vance Management | 2,000 | $14.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,140 | $15.0K | 0.00% | 00.0% | Unchanged |
| Edmond de Rothschild Holding S.A. | 2,980 | $21.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 3,661 | $26.0K | 0.00% | +720+24.5% | Added |
| Citigroup Inc | 5,878 | $41.0K | 0.00% | −7,094−54.7% | Reduced |
| Cutler Group LP | 6,800 | $48.0K | 0.00% | +598+9.6% | Added |
| Macquarie Group Ltd | 7,544 | $53.0K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 9,514 | $67.0K | 0.00% | +26+0.3% | Added |
| Centaurus Financial, Inc. | 10,030 | $71.0K | 0.01% | 00.0% | Unchanged |
| Franklin Resources Inc | 10,347 | $73.0K | 0.00% | +10,347 | New |
| Cubic Asset Management, LLC | 11,000 | $78.0K | 0.02% | 00.0% | Unchanged |
| ProShare Advisors LLC | 11,455 | $81.0K | 0.00% | −2,992−20.7% | Reduced |
| Voya Investment Management LLC | 12,914 | $91.0K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 13,571 | $96.0K | 0.00% | +1,369+11.2% | Added |
| Advisor Group Holdings, Inc. | 14,805 | $104.0K | 0.00% | −46,931−76.0% | Reduced |
| Cubist Systematic Strategies, LLC | 15,272 | $108.0K | 0.00% | −54,419−78.1% | Reduced |
| Quilter Plc | 15,750 | $111.0K | 0.00% | 00.0% | Unchanged |
| Credit Suisse AG | 16,824 | $118.0K | 0.00% | +499+3.1% | Added |
| American International Group, Inc. | 17,509 | $124.0K | 0.00% | −416−2.3% | Reduced |
| New York State Common Retirement Fund | 19,117 | $135.0K | 0.00% | −8,678−31.2% | Reduced |
| Winton Group Ltd | 20,918 | $148.0K | 0.01% | +6,657+46.7% | Added |
| Virtus ETF Advisers LLC | 21,280 | $150.0K | 0.07% | −1,111−5.0% | Reduced |
| SG Americas Securities, LLC | 21,851 | $154.0K | 0.00% | +21,851 | New |
| Legal & General Group Plc | 22,253 | $157.0K | 0.00% | +4,728+27.0% | Added |
| Dimensional Fund Advisors LP | 23,330 | $165.0K | 0.00% | −13,621−36.9% | Reduced |
| Deutsche Bank AG | 23,496 | $166.0K | 0.00% | −1,765−7.0% | Reduced |
| Price T Rowe Associates Inc | 23,935 | $169.0K | 0.00% | +1,300+5.7% | Added |
| EMC Capital Management | 27,029 | $170.0K | 0.09% | +27,029 | New |
| Occudo Quantitative Strategies LP | 24,390 | $172.0K | 0.02% | −4,657−16.0% | Reduced |
| Jaffetilchin Investment Partners, LLC | 26,150 | $185.0K | 0.02% | −18,280−41.1% | Reduced |
| ExodusPoint Capital Management, LP | 26,490 | $187.0K | 0.00% | +26,490 | New |
| HRT Financial LP | 27,433 | $193.0K | 0.00% | +27,433 | New |
| Eversept Partners, LP | 30,000 | $211.8K | 0.02% | +30,000 | New |
| Walleye Trading LLC | 32,177 | $227.0K | 0.01% | +24,948+345.1% | Added |
| California State Teachers Retirement System | 36,926 | $261.0K | 0.00% | −7,226−16.4% | Reduced |
| Alliancebernstein L.P. | 39,600 | $280.0K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 40,496 | $285.9K | 0.00% | 00.0% | Unchanged |
| Northeast Financial Consultants Inc | 41,335 | $292.0K | 0.02% | 00.0% | Unchanged |
| Alps Advisors Inc | 42,176 | $298.0K | 0.00% | −2,892−6.4% | Reduced |
| Granahan Investment Management Inc | 43,030 | $304.0K | 0.01% | −84,449−66.2% | Reduced |
| Rhumbline Advisers | 44,838 | $317.0K | 0.00% | +1,077+2.5% | Added |
| Bank of America Corp | 45,225 | $319.0K | 0.00% | +12,696+39.0% | Added |
| Susquehanna Fundamental Investments, LLC | 46,769 | $330.0K | 0.01% | +46,769 | New |
| Swiss National Bank | 52,700 | $372.0K | 0.00% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 55,801 | $394.0K | 0.00% | −1,700−3.0% | Reduced |
| Laurion Capital Management LP | 69,348 | $490.0K | 0.01% | −29,300−29.7% | Reduced |
| Citadel Advisors LLC | 70,228 | $496.0K | 0.00% | −37,526−34.8% | Reduced |
| Charles Schwab Investment Management Inc | 78,977 | $558.0K | 0.00% | −122,827−60.9% | Reduced |
| Gsa Capital Partners LLP | 81,652 | $576.0K | 0.06% | +81,652 | New |
| Parametric Portfolio Associates LLC | 82,580 | $583.0K | 0.00% | +36,441+79.0% | Added |
| PDT Partners, LLC | 84,033 | $593.0K | 0.04% | −92,049−52.3% | Reduced |
| Public Employees Retirement System of Ohio | 100,688 | $711.0K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 117,864 | $832.0K | 0.00% | +8,408+7.7% | Added |
| Walleye Capital LLC | 120,041 | $847.0K | 0.03% | +52,862+78.7% | Added |
| Goldman Sachs Group Inc | 135,692 | $958.0K | 0.00% | +51,627+61.4% | Added |
| Voloridge Investment Management, LLC | 165,622 | $1.17M | 0.01% | −81,705−33.0% | Reduced |
| Two Sigma Advisers, LP | 182,200 | $1.29M | 0.00% | +18,100+11.0% | Added |
| Stifel Financial Corp | 201,500 | $1.42M | 0.00% | −8,000−3.8% | Reduced |
| Perceptive Advisors LLC | 222,222 | $1.57M | 0.02% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 251,610 | $1.78M | 0.00% | −9,777−3.7% | Reduced |
| Amundi | 276,408 | $1.95M | 0.00% | −499,680−64.4% | Reduced |
| Northern Trust Corp | 370,360 | $2.61M | 0.00% | +48,676+15.1% | Added |
| Morgan Stanley | 528,818 | $3.73M | 0.00% | −185,473−26.0% | Reduced |
| Geode Capital Management, LLC | 536,012 | $3.78M | 0.00% | −10,444−1.9% | Reduced |
| Lombard Odier Asset Management (Switzerland) SA | 647,265 | $4.57M | 0.28% | +50,860+8.5% | Added |
| State Street Corp | 658,099 | $4.65M | 0.00% | +47,753+7.8% | Added |
| South Dakota Investment Council | 716,726 | $5.06M | 0.09% | +65,200+10.0% | Added |
| JPMorgan Chase & Co | 1,283,166 | $9.06M | 0.00% | −161,045−11.2% | Reduced |
| Vanguard Group Inc | 1,437,553 | $10.1M | 0.00% | +9,009+0.6% | Added |
| Federated Hermes, Inc. | 2,572,513 | $18.2M | 0.03% | +525,113+25.6% | Added |
| BlackRock Inc. | 3,191,851 | $22.5M | 0.00% | +121,095+3.9% | Added |
| Wasatch Advisors Inc | 3,228,184 | $22.8M | 0.09% | −104,125−3.1% | Reduced |
| Nuveen Asset Management, LLC | 145,593 | – | – | +7,637+5.5% | Added |
| Sphera Funds Management Ltd. | 0 | $0 | 0.00% | −275,160−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −188,802−100.0% | Sold out |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −69,879−100.0% | Sold out |
| Baker Bros. Advisors LP | 0 | $0 | 0.00% | −55,555−100.0% | Sold out |
| TRB Advisors LP | 0 | $0 | 0.00% | −47,285−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −19,773−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −10,900−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −10,450−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −7,402−100.0% | Sold out |
| Parisi Gray Wealth Management | 0 | $0 | 0.00% | −702−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |