Korro BioKRRO
13F holders, Q4 2024 (December 31)84holders +13
19new positions
9sold out
3famous investors
$38.07avg. 13F price*
At the end of Q4 2024, 84 institutions reported holding Korro Bio Inc. (KRRO) in their 13F filings, up 13 from Q3 2024. 19 opened new positions and 9 sold out. The largest holders were Atlas Venture Life Science Advisors, LLC ($43.3M), NEA Management Company, LLC ($41.5M) and Deep Track Capital, LP ($33.3M). 3 famous investors held it, including Steve Cohen (0.1% of Point72 Asset Management's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Korro Bio Inc.
- CUSIP
- 500946108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 19 | $45.1M |
| Exits | 9 | $11.5M |
All 13F filers, Q3 2024 → Q4 2024: 1,903,995 shares bought and 897,084 shares sold, net +1,006,911 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 84 holders
| Atlas Venture Life Science Advisors, LLC | 5.28% | No change | 1,137,149 | $43.3M |
| NEA Management Company, LLC | 2.34% | No change | 1,090,793 | $41.5M |
| Deep Track Capital, LP | 1.25% | Add +2.9% | 874,614 | $33.3M |
| Alliancebernstein L.P. | 0.01% | New | 705,794 | $26.9M |
| FMR LLC | 0.00% | Add +10.7% | 641,739 | $24.4M |
| Driehaus Capital Management LLC | 0.16% | Add +220.3% | 494,905 | $18.8M |
| Point72 Asset Management | 0.05% | Add +11.1% | 493,997 | $18.8M |
| BlackRock, Inc. | 0.00% | Add +0.6% | 452,449 | $17.2M |
| Siren, L.L.C. | 0.70% | No change | 418,833 | $15.9M |
| Vanguard Group Inc. | 0.00% | Reduce -10.8% | 389,490 | $14.8M |
| Citadel Advisors | 0.01% | Reduce -30.1% | 369,733 | $14.1M |
| Qiming U.S. Ventures Management, LLC | 27.40% | No change | 368,085 | $14.0M |
| 72 Investment Holdings, LLC | 21.46% | No change | 276,831 | $10.5M |
| Tri Locum Partners LP | 1.14% | Add +125.3% | 144,216 | $5.5M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.3% | 137,087 | $5.2M |
| State Street Corp. | 0.00% | Add +4.5% | 124,079 | $4.7M |
| Eventide Asset Management, LLC | 0.08% | Reduce -70.0% | 117,556 | $4.5M |
| Schonfeld Strategic Advisors LLC | 0.03% | Reduce -20.7% | 113,065 | $4.3M |
| Woodline Partners LP | 0.03% | New | 102,094 | $3.9M |
| Millennium Management | 0.00% | Add +32.6% | 95,808 | $3.6M |
| Franklin Resources Inc. | 0.00% | New | 91,757 | $3.5M |
| Polar Capital Holdings Plc | 0.02% | New | 75,000 | $2.9M |
| UBS Group AG | 0.00% | Add +650.7% | 73,039 | $2.8M |
| Ally Bridge Group (NY) LLC | 2.31% | New | 70,678 | $2.7M |
| Verition Fund Management LLC | 0.01% | Reduce -33.4% | 62,094 | $2.4M |
| Northern Trust Corp. | 0.00% | Add +4.7% | 60,547 | $2.3M |
| ADAR1 Capital Management, LLC | 0.47% | Add +17.2% | 57,978 | $2.2M |
| Walleye Capital LLC | 0.02% | New | 41,228 | $1.6M |
| Rock Springs Capital Management LP | 0.05% | No change | 35,719 | $1.4M |
| Orbimed Advisors LLC | 0.03% | New | 32,400 | $1.2M |
| Morgan Stanley | 0.00% | Add +22.3% | 28,562 | $1.1M |
| Nuveen Asset Management, LLC | 0.00% | Add +153.4% | 28,295 | $1.1M |
| Goldman Sachs Group Inc. | 0.00% | Add +81.8% | 23,301 | $887K |
| Marshall Wace, LLP | 0.00% | New | 18,461 | $703K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.4% | 17,498 | $666K |
| Bank of New York Mellon Corp | 0.00% | Add +3.0% | 14,788 | $563K |
| Wellington Management Group LLP | 0.00% | Add +11.5% | 14,553 | $554K |
| Blair William & Co. | 0.00% | Add +5.7% | 12,895 | $491K |
| Barclays PLC | 0.00% | New | 10,384 | $395K |
| Raymond James Financial Inc. | 0.00% | — | 10,347 | $394K |
| Swiss National Bank | 0.00% | New | 10,000 | $381K |
| Rhumbline Advisers | 0.00% | Add +7.8% | 9,602 | $366K |
| Royal Bank of Canada | 0.00% | Add +1038.6% | 7,720 | $294K |
| Jane Street Group, LLC | 0.00% | New | 7,604 | $289K |
| Bank of America Corp. | 0.00% | Add +9.0% | 7,037 | $268K |
| BNP Paribas Financial Markets | 0.00% | Add +42.4% | 6,988 | $266K |
| Balyasny Asset Management L.P. | 0.00% | New | 5,778 | $220K |
| Bank of Montreal | 0.00% | New | 5,710 | $217K |
| HRT Financial LP | 0.00% | Reduce -14.1% | 5,703 | $217K |
| Trexquant Investment LP | 0.00% | New | 5,539 | $211K |
| Citigroup Inc. | 0.00% | Add +19.5% | 5,298 | $202K |
| California State Teachers Retirement System | 0.00% | Add +997.3% | 4,850 | $185K |
| Legal & General Group Plc | 0.00% | Add +664.1% | 4,325 | $165K |
| Deutsche Bank AG | 0.00% | Add +29.4% | 4,110 | $156K |
| MetLife Investment Management, LLC | 0.00% | No change | 3,639 | $139K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.5% | 3,502 | $133K |
| Wells Fargo & Company | 0.00% | Add +32.5% | 3,392 | $129K |
| Corebridge Financial, Inc. | 0.00% | Reduce -7.0% | 3,033 | $115K |
| New York State Common Retirement Fund | 0.00% | No change | 3,000 | $114K |
| JPMorgan Chase & Co. | 0.00% | Reduce -77.0% | 2,854 | $109K |
| AlphaQuest LLC | 0.01% | Add +23.2% | 2,189 | $83K |
| North Star Investment Management Corp. | 0.00% | Add +80.0% | 1,800 | $69K |
| KLP Kapitalforvaltning As | 0.00% | — | 1,400 | $53K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | — | 1,226 | $47K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 598 | $23K |
| Steward Partners Investment Advisory, LLC | 0.00% | New | 550 | $21K |
| Duncker Streett & Co. Inc. | 0.00% | No change | 437 | $17K |
| Meeder Asset Management Inc. | 0.00% | New | 357 | $14K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -35.9% | 278 | $11K |
| Amalgamated Bank | 0.00% | No change | 211 | $8K |
| Sterling Capital Management LLC | 0.00% | Add +812.5% | 146 | $6K |
| US Bancorp \de | 0.00% | Add +2.4% | 87 | $3K |
| Caitong International Asset Management Co., Ltd | 0.00% | — | 41 | $2K |
| Signaturefd, LLC | 0.00% | No change | 41 | $2K |
| Spire Wealth Management | 0.00% | New | 39 | $1K |
| Lindbrook Capital, LLC | 0.00% | Reduce -31.1% | 31 | $1K |
| Nisa Investment Advisors, LLC | 0.00% | Add +18.2% | 26 | $990 |
| Avior Wealth Management, LLC | 0.00% | No change | 20 | $761 |
| GAMMA Investing LLC | 0.00% | Add +100.0% | 8 | $305 |
| SBI Securities Co., Ltd. | 0.00% | — | 7 | $266 |
| MAI Capital Management | 0.00% | New | 5 | $191 |
| Allworth Financial LP | 0.00% | New | 3 | $115 |
| Osaic Holdings, Inc. | 0.00% | Reduce -75.0% | 1 | $38 |
| Cwm, LLC | 0.00% | Reduce -33.3% | 2 | $0 |
"% of holder's portfolio" is KRRO's weight in each manager's 13F, not the share of Korro Bio Inc. the manager owns.