LXEO · Lexeo Therapeutics, Inc. · Holdings
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Holder Concentration
Across 143 13F filersWho Holds LXEO
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 141 filers, like-for-like change +10.5%; actively managed books +8.8%; index-like books +16.4%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 72.0% | 77 | +8.5% |
| Exempt adviser | 1.6% | 1 | +126.3% |
| Adviser | 1.5% | 4 | +40.6% |
| Bank | 7.4% | 13 | +25.8% |
| Insurer | 0.0% | 1 | new |
| Broker-dealer | 0.0% | 1 | -15.2% |
| Benefit plan | 0.1% | 2 | +1270.0% |
| Non-US | 0.6% | 7 | +68.2% |
| Holding company | 10.5% | 6 | +17.7% |
| Unknown | 6.3% | 29 | -12.5% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 22.9% | 22 | +16.4% |
| Systematic-like | 15.7% | 14 | +9.6% |
| Concentrated | 20.1% | 21 | -15.1% |
| Diversified active | 41.4% | 83 | +25.6% |
| Unknown | 0.0% | 1 | +21.7% |
| Not measured | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 35.5% | 74 | +13.1% |
| Medium turnover | 32.4% | 36 | +19.3% |
| High turnover | 21.7% | 22 | +5.1% |
| Unknown | 10.3% | 9 | -8.3% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 11.0% | 16 | -8.4% |
| Medium horizon | 26.2% | 26 | -5.5% |
| Long horizon | 40.1% | 88 | +15.2% |
| Unknown | 22.7% | 11 | +42.2% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 2.7% | 22 | +12.6% |
| $1B to $10B | 39.8% | 32 | +13.9% |
| $10B to $100B | 17.8% | 38 | +2.5% |
| $100B or more | 39.6% | 49 | +10.8% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 0.3% | 23 | +57.0% |
| Pooled investment vehicles | 62.6% | 29 | +8.0% |
| Registered funds and BDCs | 8.2% | 10 | +8.6% |
| Pension and profit sharing plans | 0.0% | 1 | -43.2% |
| Insurance companies | 0.1% | 3 | +14.6% |
| Governments and sovereign funds | 0.4% | 2 | +271.0% |
| Other investment advisers | 0.0% | 3 | -32.1% |
| Diversified | 0.5% | 6 | -12.1% |
| Other | 0.0% | 0 | — |
| Unknown | 28.0% | 64 | +15.8% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 47.6% | 30 | +16.3% |
| Private equity funds | 0.1% | 5 | -90.6% |
| Venture capital funds | 5.7% | 1 | 0.0% |
| Real estate funds | 0.0% | 3 | +316.0% |
| Securitized asset funds | 0.0% | 1 | 0.0% |
| Other private funds | 6.1% | 7 | +10.9% |
| Mixed private funds | 7.2% | 3 | +0.5% |
| No private funds | 6.8% | 28 | +7.5% |
| Private funds, type not stated | 0.0% | 0 | -100.0% |
| Unknown | 26.4% | 63 | +12.6% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 96.6% | 120 | +9.1% |
| Outside the US | 3.4% | 21 | +74.9% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Excluded 2 holders with no observed 2026-06-30 13F. Compared across CIK changes: JANUS HENDERSON GROUP PLC continues as Jupiter Topco LLC.
Conviction and Crowding
141 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $97,463 (2 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 94.1% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies LXEO's active holders also own, quarter ended Jun 30, 2026| # | Company | Shared holders |
|---|---|---|
| 1 | IBIO iBio, Inc. | 6 |
| 2 | AMAN Amanat Acquisition Corp. | 5 |
| 3 | ALEC Alector, Inc. | 7 |
| 4 | ZLAB Zai Lab Ltd | 6 |
| 5 | AVR Anteris Technologies Global Corp. | 7 |
| 6 | DMRA Damora Therapeutics, Inc. | 7 |
| 7 | PRLD Prelude Therapeutics Inc | 4 |
| 8 | ABOS Acumen Pharmaceuticals, Inc. | 4 |
| 9 | FTH Faeth Therapeutics, Inc. | 6 |
| 10 | MNPR Monopar Therapeutics | 5 |
Shareholder Targets
13F filers that own its peers but not LXEO, quarter ended Jun 30, 2026Found through its holder-overlap peers: IBIO, AMAN, ALEC, ZLAB, AVR, DMRA, PRLD, ABOS, FTH, MNPR, QTTB, HLXC, EQ, JATT, SVRA, TRAX, TSHA, OVID, PRQR, CLYM. 425 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | TCG Crossover Management, LLC Unknown, Diversified active | $292,217,657 6 held | ZLAB, SVRA, TRAX |
| 2 | RTW INVESTMENTS, LP Registered adviser, Diversified active | $253,918,624 3 held | ZLAB, TSHA, SVRA |
| 3 | Fairmount Funds Management LLC Registered adviser, Concentrated | $244,675,630 2 held | DMRA, FTH |
| 4 | Venrock Adviser, LLC Registered adviser, Concentrated | $184,564,513 2 held | DMRA, SVRA |
| 5 | NEA Management Company, LLC Registered adviser, Concentrated | $150,742,986 1 held | SVRA |
| 6 | DEERFIELD MANAGEMENT COMPANY, L.P. Registered adviser, Concentrated | $115,681,524 3 held | SVRA, MNPR, ALEC |
| 7 | Siren, L.L.C. Unknown, Diversified active | $115,474,427 3 held | TSHA, MNPR, DMRA |
| 8 | BRAIDWELL LP Registered adviser, Diversified active | $114,075,133 6 held | DMRA, CLYM, OVID |
| 9 | ADAGE CAPITAL PARTNERS GP, L.L.C. Registered adviser, Diversified active | $113,622,808 9 held | CLYM, MNPR, PRQR |
| 10 | Polar Capital Holdings Plc Registered adviser, Diversified active | $113,482,760 3 held | SVRA, TSHA, MNPR |
Fund Ownership of LXEO by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 14.99% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 2.86% | 2,347,007 |
| Index ETFs | 12.13% | 9,952,961 |
| Active ETFs | 0.82% | 674,237 |
| Active funds | 3.46% | 2,839,509 |
| Unclassified | 0.02% | 18,677 |
| All registered funds | 19.30% | 15,832,391 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mid SUVRETTA CAPITAL MANAGEMENT, LLC Registered adviser | $29,718,451 | 7.22% | 6,384,200 | Shares | 2026-08-14 | |
| Mid Affinity Asset Advisors, LLC Registered adviser | $27,034,429 | 6.57% | 5,807,611 | Shares | 2026-08-13 | |
| Mega BlackRock, Inc. Holding company | $26,717,158 | 6.49% | 5,739,455 | Shares | 2026-08-07 | |
| Large RA CAPITAL MANAGEMENT, L.P. Registered adviser | $23,275,000 | 5.66% | 5,000,000 | Shares | 2026-08-14 | |
| Mid Frazier Life Sciences Management, L.P. Registered adviser | $22,459,094 | 5.46% | 4,824,725 | Shares | 2026-08-14 | |
| Mega STATE STREET CORP Bank | $20,271,393 | 4.93% | 4,354,757 | Shares | 2026-09-22 | |
| Mid Vestal Point Capital, LP Registered adviser | $20,109,600 | 4.89% | 4,320,000 | Shares | 2026-08-14 | |
| Mid Paradigm Biocapital Advisors LP Registered adviser | $19,436,403 | 4.72% | 4,175,382 | Shares | 2026-08-14 | |
| Mega Jupiter Topco LLC | $18,409,085 | 4.47% | 3,954,691 | Shares | 2026-08-14 | |
| Mid ORBIMED ADVISORS LLC Registered adviser | $18,377,241 | 4.47% | 3,947,850 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $18,147,842 | 4.41% | 3,898,570 | Shares | 2026-09-02 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC Registered adviser | $14,551,031 | 3.54% | 3,125,893 | Shares | 2026-08-13 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser | $13,190,510 | 3.21% | 2,833,622 | Shares | 2026-08-14 | |
| Large Woodline Partners LP Registered adviser | $11,639,976 | 2.83% | 2,500,532 | Shares | 2026-08-14 | |
| Large Balyasny Asset Management L.P. Registered adviser | $11,231,314 | 2.73% | 2,412,742 | Shares | 2026-08-14 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $10,006,442 | 2.43% | 2,149,612 | Shares | 2026-08-14 | |
| Mid 683 Capital Management, LLC Registered adviser | $8,728,125 | 2.12% | 1,875,000 | Shares | 2026-08-14 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $8,136,748 | 1.98% | 1,747,959 | Shares | 2026-08-12 | |
| Mid ADAR1 Capital Management, LLC Registered adviser | $7,289,497 | 1.77% | 1,565,950 | Shares | 2026-08-14 | |
| Large Avoro Capital Advisors LLC Registered adviser | $6,932,174 | 1.68% | 1,489,189 | Shares | 2026-08-14 | |
| Mega Qube Research & Technologies Ltd Exempt adviser | $6,406,313 | 1.56% | 1,376,222 | Shares | 2026-08-14 | |
| Mid Nantahala Capital Management, LLC Registered adviser | $6,051,500 | 1.47% | 1,300,000 | Shares | 2026-08-19 | |
| Mega DIMENSIONAL FUND ADVISORS LP Registered adviser | $5,991,843 | 1.46% | 1,287,185 | Shares | 2026-08-11 | |
| Small Spruce Street Capital LP Registered adviser | $4,322,600 | 1.05% | 928,593 | Shares | 2026-08-13 | |
| Large Blackstone Inc. Adviser | $4,212,584 | 1.02% | 904,959 | Shares | 2026-08-14 | |
| Mega NORTHERN TRUST CORP Bank | $4,037,703 | 0.98% | 867,391 | Shares | 2026-08-13 | |
| Large Aberdeen Group plc Holding company | $3,142,553 | 0.76% | 675,092 | Shares | 2026-07-31 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser | $2,857,360 | 0.69% | 613,826 | Shares | 2026-08-13 | |
| Small Ikarian Capital, LLC Registered adviser | $2,388,066 | 0.58% | 513,011 | Shares | 2026-08-14 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $2,282,490 | 0.55% | 490,331 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $2,004,889 | 0.49% | 430,696 | Shares | 2026-08-13 | |
| Mega MORGAN STANLEY Holding company | $1,839,198 | 0.45% | 395,102 | Shares | 2026-08-13 | |
| Mega BNP PARIBAS ARBITRAGE, SA Non-US | $1,807,992 | 0.44% | 388,398 | Shares | 2026-08-13 | |
| Small DAFNA Capital Management LLC Registered adviser | $1,755,209 | 0.43% | 377,059 | Shares | 2026-08-14 | |
| Mega UBS Group AG Bank | $1,648,074 | 0.40% | 354,044 | Shares | 2026-08-13 | |
| Large Trexquant Investment LP Registered adviser | $1,465,817 | 0.36% | 314,891 | Shares | 2026-08-14 | |
| Large Squarepoint Ops LLC Registered adviser | $1,372,172 | 0.33% | 294,774 | Shares | 2026-08-14 | |
| Mid Hennion & Walsh Asset Management, Inc. Adviser | $1,291,122 | 0.31% | 381,989 | Shares | 2026-10-13 | |
| Mega AQR CAPITAL MANAGEMENT LLC Registered adviser | $1,194,754 | 0.29% | 256,661 | Shares | 2026-08-14 | |
| Large RENAISSANCE TECHNOLOGIES LLC Registered adviser | $1,165,449 | 0.28% | 250,365 | Shares | 2026-08-13 | |
| Mega WELLINGTON MANAGEMENT GROUP LLP Holding company | $942,091 | 0.23% | 202,383 | Shares | 2026-08-14 | |
| Mega Nuveen, LLC | $932,940 | 0.23% | 200,417 | Shares | 2026-08-11 | |
| Mega Bank of New York Mellon Corp Bank | $855,974 | 0.21% | 183,883 | Shares | 2026-08-06 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $803,494 | 0.20% | 172,609 | Shares | 2026-08-14 | |
| Mid Susquehanna Portfolio Strategies, LLC | $749,743 | 0.18% | 161,062 | Shares | 2026-08-14 | |
| Small Privium Fund Management B.V. | $721,525 | 0.18% | 155,000 | Shares | 2026-08-07 | |
| Mid XTX Topco Ltd | $677,563 | 0.16% | 145,556 | Shares | 2026-08-14 | |
| Mega FMR LLC Holding company | $657,034 | 0.16% | 141,146 | Shares | 2026-08-13 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC Registered adviser | $634,834 | 0.15% | 136,377 | Shares | 2026-08-14 | |
| Mid Burkehill Global Management, LP Registered adviser | $581,875 | 0.14% | 125,000 | Shares | 2026-08-14 | |
| Mega RAYMOND JAMES FINANCIAL INC | $546,440 | 0.13% | 117,388 | Shares | 2026-08-14 | |
| Small Palumbo Wealth Management LLC Registered adviser | $534,128 | 0.13% | 114,743 | Shares | 2026-08-12 | |
| Mega Fisher Asset Management, LLC Adviser | $532,168 | 0.13% | 114,322 | Shares | 2026-08-04 | |
| Small EntryPoint Capital, LLC Registered adviser | $482,481 | 0.12% | 103,648 | Shares | 2026-08-13 | |
| Mega JPMORGAN CHASE & CO Bank | $448,229 | 0.11% | 96,290 | Shares | 2026-08-12 | |
| Mega CITIGROUP INC Bank | $436,373 | 0.11% | 93,743 | Shares | 2026-08-03 | |
| Mid Y-Intercept (Hong Kong) Ltd Exempt adviser | $401,128 | 0.10% | 118,677 | Shares | 2026-10-16 | |
| Mega DEUTSCHE BANK AG\ Non-US | $383,073 | 0.09% | 82,293 | Shares | 2026-08-07 | |
| Mega RHUMBLINE ADVISERS Registered adviser | $371,510 | 0.09% | 79,809 | Shares | 2026-08-12 | |
| Mega ALLIANCEBERNSTEIN L.P. Registered adviser | $362,438 | 0.09% | 77,860 | Shares | 2026-08-14 | |
| Mega Invesco Ltd. Adviser | $354,796 | 0.09% | 76,219 | Shares | 2026-08-14 | |
| Small Virtus Investment Advisers, LLC Registered adviser | $348,538 | 0.08% | 74,874 | Shares | 2026-08-11 | |
| Large Walleye Capital LLC Registered adviser | $343,855 | 0.08% | 73,868 | Shares | 2026-08-03 | |
| Mega Creative Planning Registered adviser | $338,069 | 0.08% | 72,625 | Shares | 2026-08-13 | |
| Large Rafferty Asset Management, LLC Registered adviser | $314,375 | 0.08% | 67,535 | Shares | 2026-08-14 | |
| Mega WELLS FARGO & COMPANY/MN Bank | $276,344 | 0.07% | 59,365 | Shares | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser | $270,893 | 0.07% | 58,194 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $241,129 | 0.06% | 51,800 | Put | 2026-08-14 | |
| Mega Mitsubishi UFJ Asset Management Co., Ltd. | $232,694 | 0.06% | 49,988 | Shares | 2026-08-07 | |
| Large STATE OF WISCONSIN INVESTMENT BOARD Benefit plan | $224,948 | 0.05% | 48,324 | Shares | 2026-08-14 | |
| Large LOS ANGELES CAPITAL MANAGEMENT LLC Registered adviser | $224,259 | 0.05% | 48,176 | Shares | 2026-08-13 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $188,457 | 0.05% | 40,485 | Shares | 2026-08-14 | |
| Large MetLife Investment Management, LLC Registered adviser | $184,095 | 0.04% | 39,548 | Shares | 2026-08-14 | |
| Mid PROFUND ADVISORS LLC Registered adviser | $159,745 | 0.04% | 34,317 | Shares | 2026-08-11 | |
| Mega Russell Investments Group, Ltd. | $154,884 | 0.04% | 33,273 | Shares | 2026-08-06 | |
| Small Dynamic Technology Lab Private Ltd | $151,990 | 0.04% | 32,651 | Shares | 2026-08-13 | |
| Small Verdad Advisers, LP | $142,401 | 0.03% | 30,591 | Shares | 2026-08-14 | |
| Large ExodusPoint Capital Management, LP Registered adviser | $129,781 | 0.03% | 27,880 | Shares | 2026-08-14 | |
| Large Police & Firemen's Retirement System of New Jersey | $118,865 | 0.03% | 25,535 | Shares | 2026-07-23 | |
| Large Quantinno Capital Management LP Registered adviser | $113,083 | 0.03% | 24,293 | Shares | 2026-08-13 | |
| Mega Vanguard Global Advisers, LLC Registered adviser | $108,857 | 0.03% | 23,385 | Shares | 2026-08-13 | |
| Mid PRELUDE CAPITAL MANAGEMENT, LLC Registered adviser | $104,737 | 0.03% | 22,500 | Shares | 2026-08-14 | |
| Mid Soltis Investment Advisors LLC | $93,174 | 0.02% | 20,016 | Shares | 2026-07-31 | |
| Large NEW YORK STATE COMMON RETIREMENT FUND | $92,573 | 0.02% | 19,887 | Shares | 2026-07-29 | |
| Mega D. E. Shaw & Co., Inc. | $92,476 | 0.02% | 19,866 | Shares | 2026-08-14 | |
| Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Non-US | $92,192 | 0.02% | 19,805 | Shares | 2026-09-09 | |
| Large Vanguard Personalized Indexing Management, LLC Registered adviser | $90,614 | 0.02% | 19,466 | Shares | 2026-08-11 | |
| Mega AMERICAN CENTURY COMPANIES INC | $87,770 | 0.02% | 18,855 | Shares | 2026-08-12 | |
| Mega CANADA PENSION PLAN INVESTMENT BOARD Non-US | $86,117 | 0.02% | 18,500 | Shares | 2026-08-14 | |
| Large INTECH INVESTMENT MANAGEMENT LLC Registered adviser | $82,938 | 0.02% | 17,817 | Shares | 2026-08-10 | |
| Micro CAXTON CORP | $78,958 | 0.02% | 16,962 | Shares | 2026-08-14 | |
| Large Jain Global LLC Registered adviser | $77,203 | 0.02% | 16,585 | Shares | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $76,342 | 0.02% | 16,400 | Call | 2026-08-14 | |
| Mega BARCLAYS PLC Bank | $75,675 | 0.02% | 16,257 | Shares | 2026-08-14 | |
| Micro Spark Investment Management LLC Registered adviser | $69,825 | 0.02% | 15,000 | Shares | 2026-08-10 | |
| Mega VOYA INVESTMENT MANAGEMENT LLC Registered adviser | $66,240 | 0.02% | 14,230 | Shares | 2026-08-12 | |
| Large Cerity Partners LLC Registered adviser | $64,755 | 0.02% | 13,911 | Shares | 2026-08-14 | |
| Mid China Universal Asset Management Co., Ltd. | $58,173 | 0.01% | 12,497 | Shares | 2026-07-24 | |
| Large ProShare Advisors LLC Registered adviser | $55,175 | 0.01% | 11,853 | Shares | 2026-08-11 | |
| Large PRUDENTIAL FINANCIAL INC Insurer | $53,928 | 0.01% | 11,585 | Shares | 2026-08-12 |
Showing the top 100 of 146 holders. Create a free account to see every holder, past quarters, search, filters and CSV export.