Lexeo Therapeutics, Inc.
Ownership
Ownership Structure
Who owns Lexeo Therapeutics, Inc. (LXEO)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 62.4% of the shares are freely tradable; institutional investors hold 115.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Affinity Asset Advisors, LLC | 7.08 | 5,807,611 | +15.0 | 06/30/2026 |
| BlackRock Inc | 6.23 | 5,110,871 | +4.1 | 03/31/2026 |
| RA Capital Management, LLC | 6.09 | 5,000,000 | +0.0 | 03/31/2026 |
| HHG PLC | 6.07 | 4,976,429 | -9.7 | 03/31/2026 |
| Vestal Point Capital LP | 5.45 | 4,475,000 | +0.0 | 03/31/2026 |
| Frazier Life Sciences Management, L.P. | 5.39 | 4,424,725 | +0.0 | 03/31/2026 |
| Paradigm Biocapital Advisors LP | 5.09 | 4,175,382 | -32.5 | 06/30/2026 |
| Citadel Advisors Llc | 4.75 | 3,898,570 | +1.7 | 06/30/2026 |
| Orbimed Advisors LLC | 4.39 | 3,602,450 | +69.5 | 03/31/2026 |
| State Street Corp | 4.35 | 3,568,242 | +11.9 | 03/31/2026 |
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 |
|---|---|---|---|---|---|
| Townsend Richard Nolan | Chief Executive Officer | 374,472 | 1,572,782 $ | Aug 18, 2026 | direct |
| Otero Jose Manuel | Chief Operating Officer | 136,178 | 571,948 $ | Aug 18, 2026 | direct |
| Tamayo Louis Edward | Chief Financial Officer | 92,907 | 390,209 $ | Aug 18, 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 |
|---|---|---|---|---|---|---|
| Aug 18, 2026 | Tamayo Louis Edward | Chief Financial Officer | Sell | 4,117 | 4.91 | 20,203 |
| Aug 18, 2026 | Otero Jose Manuel | Chief Operating Officer | Sell | 1,304 | 4.96 | 6,464 |
| Aug 18, 2026 | Townsend Richard Nolan | Chief Executive Officer | Sell | 3,345 | 4.95 | 16,562 |
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: September 17, 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.