Security Snapshot

Lexeo Therapeutics, Inc. - Common Stock, $0.0001 par value per share (LXEO) Institutional Ownership

CUSIP: 52886X107

13F Institutional Holders and Ownership History from Q4 2023 to Q2 2026

Latest Period

Q2 2026

Institutions Reporting

142

Shares (Excl. Options)

88,240,530

Price

$4.66

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+9,214,336
Value change
+$39,183,118
Number of holders
142
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
78,780,792
SEC-reported price per share
$4.66
Insider filing price
$4.66
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • LXEO - Lexeo Therapeutics, Inc. - Common Stock, $0.0001 par value per share is tracked under CUSIP 52886X107.
  • 142 institutions reported positions in Q2 2026.
  • 19 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 138 to 142 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $458,111,449 to $410,870,572.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 142 institutions filings for Q2 2026.

Open SEC evidence

Security key

52886X107

Latest holder period

Q2 2026

13F holders

142

13D/G owners

19

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
19
Security
LXEO
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BALYASNY ASSET MANAGEMENT L.P. 10% +3% $36,083,831 +$3,073,568 7,844,311 +9.3% BALYASNY ASSET MANAGEMENT L.P. 30 Jun 2026
JANUS HENDERSON GROUP PLC 10% -12% $65,914,563 +$10,720,599 7,291,434 +19% JANUS HENDERSON GROUP PLC 28 Nov 2025
Affinity Asset Advisors, LLC 8.4% +19% $30,704,600 +$6,703,364 6,674,913 +28% Affinity Asset Advisors, LLC 30 Jun 2026
SUVRETTA CAPITAL MANAGEMENT, LLC 7.7% $32,573,226 5,674,778 SUVRETTA CAPITAL MANAGEMENT, LLC 06 Apr 2026
CITADEL ADVISORS LLC 7.4% -22% $40,851,767 +$1,219,315 5,498,219 +3.1% Kenneth Griffin 31 Dec 2025
RA CAPITAL MANAGEMENT, L.P. 6.9% $33,200,000 5,000,000 RA Capital Management, L.P. 20 Oct 2025
BlackRock, Inc. 6.7% +68% $48,518,087 +$26,984,571 4,885,814 +125% BlackRock, Inc. 31 Dec 2025
STATE STREET CORP 5.5% $20,031,965 4,354,775 STATE STREET CORPORATION 30 Jun 2026
Paradigm Biocapital Advisors LP 5.3% -38% $19,206,757 -$9,240,259 4,175,382 -32% Paradigm BioCapital Advisors LP 30 Jun 2026
Vestal Point Capital, LP 7.5% +25% $27,338,885 +$5,903,896 4,117,302 +28% Vestal Point Capital, LP 30 Sep 2025
Frazier Life Sciences Public Fund, L.P. 5.1% -10% $27,478,154 +$4,642,294 3,698,271 +20% Frazier Life Sciences Public Fund, L.P. 31 Dec 2025
ORBIMED ADVISORS LLC 4.1% $14,734,030 3,203,050 OrbiMed Advisors LLC 30 Jun 2026
Longitude Capital Partners IV, LLC 3.8% $18,362,130 2,765,381 Longitude Capital Partners IV, LLC 30 Sep 2025
INTEGRATED CORE STRATEGIES (US) LLC 3.2% -42% $15,362,583 -$3,470,396 2,313,642 -18% Millennium Management LLC 30 Sep 2025
MIZUHO FINANCIAL GROUP INC 6.6% +13% $8,109,362 +$1,020,464 2,203,631 +14% Mizuho Financial Group, Inc. 31 Mar 2025
EVENTIDE ASSET MANAGEMENT, LLC 3.7% $4,544,189 1,234,834 Eventide Asset Management, LLC 31 Dec 2024
Omega Fund VI, L.P. 3.6% $4,359,460 1,184,636 Omega Fund VI, L.P. 31 Dec 2024
D1 Capital Partners L.P. 2.9% $3,601,439 978,652 D1 Capital Partners L.P. 31 Mar 2025
Adage Capital Management, L.P. 0.7% -85% $875,667 -$7,255,716 237,953 -89% Adage Capital Management, L.P. 31 Mar 2025

As of 30 Jun 2026, 142 institutional investors reported holding 88,240,530 shares of Lexeo Therapeutics, Inc. - Common Stock, $0.0001 par value per share (LXEO). This represents 112% of the company’s total 78,780,792 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
99%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
MONTANOVA CAPITAL, LLC 8.1% 6,384,200 +411% 0.62% $29,718,451
Affinity Asset Advisors, LLC 7.4% 5,807,611 +15% 1.3% $27,034,429
BlackRock, Inc. 7.3% 5,739,455 +12% 0% $26,717,165
RA CAPITAL MANAGEMENT, L.P. 6.3% 5,000,000 0% 0.2% $23,275,000
Frazier Life Sciences Management, L.P. 6.1% 4,824,725 +9% 0.49% $22,459,095
STATE STREET CORP 5.5% 4,354,757 +22% 0% $20,271,394
Vestal Point Capital, LP 5.5% 4,320,000 -3.5% 0.47% $20,109,600
Paradigm Biocapital Advisors LP 5.3% 4,175,382 -32% 0.36% $19,436,403
Jupiter Topco LLC 5% 3,954,691 0% 0.01% $18,409,087
ORBIMED ADVISORS LLC 5% 3,947,850 +9.6% 0.35% $18,377,242
CITADEL ADVISORS LLC 4.9% 3,898,570 +1.7% 0.01% $18,147,843
VANGUARD CAPITAL MANAGEMENT LLC 4% 3,125,893 +4% 0% $14,551,032
MILLENNIUM MANAGEMENT LLC 3.6% 2,833,622 +76% 0.01% $13,190,510
Woodline Partners LP 3.2% 2,500,532 -9.1% 0.04% $11,639,976
Balyasny Asset Management L.P. 3.1% 2,412,742 +52% 0.02% $11,231,314
GOLDMAN SACHS GROUP INC 2.7% 2,149,612 +10% 0% $10,006,444
683 Capital Management, LLC 2.4% 1,875,000 +56% 0.8% $8,728,124
GEODE CAPITAL MANAGEMENT, LLC 2.2% 1,747,959 +15% 0% $8,138,547
ADAR1 Capital Management, LLC 2% 1,565,950 +6.7% 0.35% $7,289,497
Avoro Capital Advisors LLC 1.9% 1,489,189 -21% 0.06% $6,932,175
Qube Research & Technologies Ltd 1.7% 1,376,222 +196% 0.01% $6,406,313
Nantahala Capital Management, LLC 1.7% 1,300,000 +8.3% 0.37% $6,051,500
DIMENSIONAL FUND ADVISORS LP 1.6% 1,287,185 +17% 0% $5,992,745
Spruce Street Capital LP 1.2% 928,593 0% 0.85% $4,322,600
Blackstone Inc. 1.1% 904,959 0% 0.01% $4,217,109

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
11
Latest
Q2 2026
Rows shown
1-11 of 11
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 88,240,530 $410,870,572 +$39,183,118 $4.66 142
2026 Q1 79,828,208 $458,111,449 +$6,784,198 $5.74 138
2025 Q4 76,464,936 $759,237,118 +$269,440,399 $9.93 147
2025 Q3 49,322,779 $327,479,655 +$52,645,662 $6.64 108
2025 Q2 42,272,843 $169,997,165 +$59,022,508 $4.02 90
2025 Q1 28,007,948 $99,996,757 -$11,520,766 $3.47 88
2024 Q4 29,519,159 $194,192,987 -$4,086,062 $6.58 89
2024 Q3 29,735,114 $268,784,046 +$10,322,355 $9.04 67
2024 Q2 26,566,622 $426,105,401 +$55,254,655 $16.04 57
2024 Q1 23,119,889 $361,545,010 +$108,427,159 $15.68 54
2023 Q4 16,174,480 $217,090,546 +$217,090,546 $13.42 31
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