Korro Bio, Inc.
Ownership
Ownership Structure
Who owns Korro Bio, Inc. (KRRO)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 71.8% of the shares are freely tradable; institutional investors hold 96.9%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Lynx1 Capital Management, LP | 10.45 | 1,538,296 | +0.0 | 06/30/2026 |
| Nantahala Capital Management, LLC | 8.96 | 1,320,072 | +100.0 | 06/30/2026 |
| NEA Management Company, LLC | 8.81 | 1,297,893 | +0.0 | 06/30/2026 |
| VR Adviser, LLC | 6.86 | 1,009,500 | +0.0 | 06/30/2026 |
| Atlas Venture Life Science Advisors, LLC | 6.54 | 962,884 | -15.3 | 06/30/2026 |
| Balyasny Asset Management LLC | 6.46 | 951,783 | -8.5 | 06/30/2026 |
| BlackRock Inc | 5.55 | 817,621 | +77.7 | 06/30/2026 |
| Affinity Asset Advisors, LLC | 4.80 | 706,904 | +0.0 | 06/30/2026 |
| Adage Capital Partners Gp LLC | 3.67 | 540,968 | +136.9 | 06/30/2026 |
| ADAR1 Capital Management LLC | 3.67 | 540,054 | +0.0 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Lynx1 Capital Management LP | 10% Owner | 1,624,789 | 23,234,483 $ | Oct 26, 2026 | indirect |
| Formela Jean Francois | Director | 132,650 | 1,896,895 $ | Sep 14, 2026 | indirect |
| Aiyar Ram | President and CEO | 69,046 | 987,358 $ | Aug 4, 2026 | direct |
| Cerio Jeffrey | General Counsel | 41,793 | 597,640 $ | Jul 15, 2026 | direct |
| Vincent Loic A | Chief Scientific Officer | 25,797 | 368,897 $ | Jul 15, 2026 | direct |
| Chappell Todd | Chief Operating Officer | 24,464 | 349,835 $ | Jul 15, 2026 | direct |
| Dolan Oliver | Senior Vice President, Finance | 16,241 | 232,246 $ | Sep 11, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 26, 2026 | Lynx1 Capital Management LP | 10% Owner | Buy | 25,124 | 11.75 | 295,091 |
| Oct 23, 2026 | Lynx1 Capital Management LP | 10% Owner | Buy | 2,510 | 12.11 | 30,386 |
| Oct 22, 2026 | Lynx1 Capital Management LP | 10% Owner | Buy | 40,000 | 11.04 | 441,464 |
| Oct 22, 2026 | Lynx1 Capital Management LP | 10% Owner | Buy | 12,175 | 9.68 | 117,810 |
| Sep 14, 2026 | Formela Jean Francois | Director | Sell | 6,602 | 14.12 | 93,220 |
| Sep 14, 2026 | Formela Jean Francois | Director | Sell | 31,888 | 14.12 | 450,259 |
| Sep 11, 2026 | Formela Jean Francois | Director | Sell | 1,750 | 13.99 | 24,483 |
| Sep 11, 2026 | Formela Jean Francois | Director | Sell | 8,450 | 13.99 | 118,216 |
| Sep 11, 2026 | Dolan Oliver | Senior Vice President, Finance | Sell | 5 | 13.72 | 69 |
| Sep 9, 2026 | Dolan Oliver | Senior Vice President, Finance | Sell | 6 | 13.60 | 82 |
| Sep 8, 2026 | Dolan Oliver | Senior Vice President, Finance | Sell | 7,347 | 13.51 | 99,286 |
| Aug 26, 2026 | Formela Jean Francois | Director | Sell | 51 | 13.96 | 712 |
| Aug 26, 2026 | Formela Jean Francois | Director | Sell | 249 | 13.96 | 3,476 |
| Aug 19, 2026 | Formela Jean Francois | Director | Sell | 4,884 | 14.00 | 68,376 |
| Aug 19, 2026 | Formela Jean Francois | Director | Sell | 23,584 | 14.00 | 330,176 |
| Aug 11, 2026 | Formela Jean Francois | Director | Sell | 368 | 13.96 | 5,137 |
| Aug 11, 2026 | Formela Jean Francois | Director | Sell | 1,775 | 13.96 | 24,779 |
| Aug 10, 2026 | Lynx1 Capital Management LP | 10% Owner | Buy | 1,462 | 13.19 | 19,279 |
| Aug 6, 2026 | Lynx1 Capital Management LP | 10% Owner | Buy | 5,222 | 11.40 | 59,530 |
| Aug 4, 2026 | Aiyar Ram | President and CEO | Sell | 5,802 | 10.84 | 62,917 |
| Jul 15, 2026 | Vincent Loic A | Chief Scientific Officer | Other | 7,500 | 0.00 | – |
| Jul 15, 2026 | Dolan Oliver | Senior Vice President, Finance | Other | 5,500 | 0.00 | – |
| Jul 15, 2026 | Cerio Jeffrey | General Counsel | Other | 6,500 | 0.00 | – |
| Jul 15, 2026 | Chappell Todd | Chief Operating Officer | Other | 7,500 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: October 30, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.