Metagenomi TherapeuticsMGX

13F holders, Q3 2025 (September 30)
58holders −11
9new positions
18sold out
2famous investors
$2.36avg. 13F price*

At the end of Q3 2025, 58 institutions reported holding Metagenomi Therapeutics Inc. (MGX) in their 13F filings, down 11 from Q2 2025. 9 opened new positions and 18 sold out. The largest holders were Vanguard Group Inc. ($2.9M), Sozo Ventures GP II, L.P. ($1.3M) and Catalio Capital Management, LP ($1.3M). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Metagenomi Therapeutics Inc.
CUSIP
59102M104
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080 Q1 2024: 50Q1 2024Q2 2024: 54Q2 2024Q3 2024: 67Q3 2024Q4 2024: 77Q4 2024Q1 2025: 79Q1 2025Q2 2025: 69Q2 2025Q3 2025: 58Q3 2025Q4 2025: 56Q4 2025Q1 2026: 48Q1 2026Q2 2026: 43Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions9$544K
Exits18$854K

All 13F filers, Q2 2025 → Q3 2025: 673,993 shares bought and 1,923,974 shares sold, net −1,249,981 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 58 holders

Vanguard Group Inc. 0.00% Reduce -1.3% 1,241,510 $2.9M
Sozo Ventures GP II, L.P. 100.00% No change 581,577 $1.3M
Catalio Capital Management, LP 0.23% No change 528,993 $1.3M
Peapod Lane Capital LLC 1.09% Add +1.1% 513,815 $1.2M
Millennium Management 0.00% Reduce -18.9% 310,692 $736K
Geode Capital Management, LLC 0.00% Reduce -0.5% 291,890 $692K
Pura Vida Investments, LLC 3.82% Reduce -72.2% 264,391 $627K
Morgan Stanley 0.00% Reduce -3.5% 241,334 $572K
BlackRock, Inc. 0.00% Reduce -24.6% 223,451 $530K
Two Sigma Investments, LP 0.00% Add +1394.4% 207,528 $492K
Bridgeway Capital Management, LLC 0.01% Add +98.4% 195,800 $464K
Renaissance Technologies 0.00% Add +40.3% 167,000 $396K
State Street Corp. 0.00% Reduce -7.1% 121,537 $288K
Wells Fargo & Company 0.00% Add +3.7% 102,008 $242K
Jane Street Group, LLC 0.00% Reduce -38.2% 98,255 $233K
Marshall Wace, LLP 0.00% Reduce -39.3% 91,305 $216K
Resolute Advisors LLC 0.05% No change 89,944 $213K
Walleye Capital LLC 0.00% New 71,266 $169K
RBF Capital, LLC 0.01% Reduce -11.5% 70,780 $168K
JPMorgan Chase & Co. 0.00% Add +4155.7% 62,559 $148K
BBR Partners, LLC 0.01% No change 53,403 $127K
Man Group plc 0.00% New 52,888 $125K
Two Sigma Advisers, LP 0.00% New 50,400 $119K
Northern Trust Corp. 0.00% Reduce -35.4% 39,974 $95K
Fortitude Advisory Group L.L.C. 0.05% Add +0.7% 38,740 $92K
Jacobs Levy Equity Management, Inc. 0.00% No change 34,169 $81K
Tang Capital Management LLC 0.00% Reduce -86.0% 28,008 $66K
Dynamic Technology Lab Private Ltd 0.01% New 27,178 $64K
UBS Group AG 0.00% Reduce -80.3% 23,488 $56K
Vanguard Personalized Indexing Management, LLC 0.00% Add +0.0% 21,522 $51K
Bank of America Corp. 0.00% Add +508.5% 18,766 $44K
XTX Topco Ltd 0.00% New 15,216 $36K
BNP Paribas Financial Markets 0.00% Add +1840.0% 15,171 $36K
Marex Group Ltd 0.00% No change 15,000 $35K
Green Alpha Advisors, LLC 0.03% Reduce -22.8% 14,252 $34K
HRT Financial LP 0.00% Reduce -76.1% 14,097 $33K
Two Sigma Securities, LLC 0.00% New 12,189 $29K
FMR LLC 0.00% Add +3.8% 10,196 $24K
Cubist Systematic Strategies, LLC 0.00% Add +139.7% 7,461 $18K
Russell Investments Group, Ltd. 0.00% No change 7,136 $17K
Meeder Asset Management Inc. 0.00% No change 5,496 $13K
Point72 Asia (Singapore) Pte. Ltd. 0.00% Reduce -52.3% 4,922 $12K
US Bancorp \de 0.00% No change 4,500 $11K
Citigroup Inc. 0.00% Reduce -39.1% 3,314 $8K
Osaic Holdings, Inc. 0.00% Reduce -1.4% 3,141 $6K
Physician Wealth Advisors, Inc. 0.00% No change 610 $1K
MassMutual Private Wealth & Trust, FSB 0.00% No change 593 $1K
Principal Securities, Inc. 0.00% Reduce -71.9% 544 $1K
Nisa Investment Advisors, LLC 0.00% Reduce -18.6% 511 $1K
Jones Financial Companies LLLP 0.00% No change 500 $1K
Royal Bank of Canada 0.00% New 615 $1K
Rialto Wealth Management, LLC 0.00% No change 305 $723
Point72 (DIFC) Ltd 0.00% No change 134 $318
Larson Financial Group LLC 0.00% Reduce -60.3% 50 $119
Arax Advisory Partners 0.00% New 30 $71
Optiver Holding B.V. 0.00% New 18 $43
Barclays PLC 0.00% No change 3 $7
Cwm, LLC 0.00% Reduce -98.0% 33 $0

"% of holder's portfolio" is MGX's weight in each manager's 13F, not the share of Metagenomi Therapeutics Inc. the manager owns.