Lexeo Therapeutics, Inc.

LXEO

Exchange: Nasdaq
Industry: Biological Products, (No Diagnostic Substances)
SEC CIK: 0001907108

SEC filings (opens in a new tab)

In the last 90 days, Lexeo Therapeutics, Inc. insiders filed 0 open-market purchases and 3 sales; 141 institutions reported holding it in 13F filings for Q2 2026, worth $410.9M in total; no superinvestor holds it.

Q3 2025 vs. Q2 2025

How the institutions holding Lexeo Therapeutics, Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025 All holders in Q2 2025

13F holders of LXEO: Q2 2025 compared with Q3 2025
Measure	Q2 2025	Q3 2025	Change
Holders	90	109	+19
Shares	42.2M	49.3M	+7.08M (+16.8%)
Value	$169.9M	$327.5M	+$157.6M (+92.8%)

New holders (26)

Institutions that held Lexeo Therapeutics, Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to LXEO in Q3 2025
Institution	Shares	Value	% of portfolio
683 Capital Management, LLC	922,662	$6.13M	0.56%
Silverarc Capital Management, LLC	778,611	$5.17M	0.75%
Ameriprise Financial Inc	166,538	$1.11M	0.00%
Jane Street Group, LLC	129,472	$859.7K	0.00%
Virtu Financial LLC	43,269	$287.0K	0.02%
American Century Companies Inc	36,154	$240.1K	0.00%
ExodusPoint Capital Management, LP	27,380	$181.8K	0.00%
XTX Topco Ltd	26,715	$177.4K	0.01%
HRT Financial LP	21,510	$142.0K	0.00%
Brevan Howard Capital Management LP	18,400	$122.2K	0.00%
Wealth Enhancement Advisory Services, LLC	14,244	$118.8K	0.00%
Scientech Research LLC	13,502	$89.7K	0.03%
D. E. Shaw & Co., Inc.	12,818	$85.1K	0.00%
Los Angeles Capital Management LLC	11,075	$73.5K	0.00%
SRS Capital Advisors, Inc.	4,551	$30.2K	0.00%
Cubist Systematic Strategies, LLC	2,506	$16.6K	0.00%
The PNC Financial Services Group, Inc.	673	$4.47K	0.00%
Simplex Trading, LLC	499	$3.00K	0.00%
Optiver Holding B.V.	312	$2.07K	0.00%
Allworth Financial LP	307	$2.04K	0.00%
Clearstead Advisors, LLC	304	$2.02K	0.00%
Rockefeller Capital Management L.P.	200	$1.33K	0.00%
Signaturefd, LLC	178	$1.18K	0.00%
Fortitude Family Office, LLC	124	$823	0.00%
Sunbelt Securities, Inc.	16	$106	0.00%
Larson Financial Group LLC	5	$33	0.00%

Sold out (7)

Institutions that held Lexeo Therapeutics, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of LXEO in Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Omega Fund Management, LLC	1,184,636	$4.76M
Ally Bridge Group (NY) LLC	867,302	$3.49M
Quadrature Capital Ltd	29,779	$120.3K
Gsa Capital Partners LLP	14,528	$58.0K
FNY Investment Advisers, LLC	5,000	$20.0K
Skopos Labs, Inc.	3,852	$15.5K
Caitong International Asset Management Co., Ltd	1	$4