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Metagenomi Therapeutics, Inc.

MGX
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001785279

In the last 90 days, Metagenomi Therapeutics, Inc. insiders filed 1 open-market purchase and 3 sales; 43 institutions reported holding it in 13F filings for Q2 2026, worth $7.45M in total; no superinvestor holds it.

Q3 2025 vs. Q2 2025

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

All holders in Q3 2025All holders in Q2 2025

13F holders of MGX: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders69258−9
Shares7.70M452.3K6.00M−1.25M (−17.2%)
Value$10.4M$669.4K$14.2M+$4.46M (+45.9%)

2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (9)

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

Institutions new to MGX in Q3 2025
InstitutionSharesValue% of portfolio
Walleye Capital LLC71,266$168.9K0.00%
Man Group plc52,888$125.3K0.00%
Two Sigma Advisers, LP50,400$119.4K0.00%
Dynamic Technology Lab Private Ltd27,178$64.0K0.01%
XTX Topco Ltd15,216$36.1K0.00%
Two Sigma Securities, LLC12,189$28.9K0.00%
Royal Bank of Canada615$1.00K0.00%
SRS Capital Advisors, Inc.30$710.00%
Optiver Holding B.V.18$430.00%

Sold out (18)

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

Institutions that sold out of MGX in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
AQR Capital Management LLC129,055$191.0K
Goldman Sachs Group Inc108,596$160.7K
Susquehanna International Group, LLP72,587$107.4K
Citadel Advisors LLC60,624$89.7K
Squarepoint Ops LLC38,126$56.4K
Jain Global LLC28,645$42.4K
Brown Advisory Inc25,006$37.0K
SG Americas Securities, LLC18,711$28.0K
Virtu Financial LLC19,008$28.0K
Verition Fund Management LLC13,892$20.6K
Prudential Financial Inc13,400$19.8K
Catalyst Funds Management Pty Ltd12,700$18.8K
Tower Research Capital LLC (TRC)12,375$18.3K
Ground Swell Capital, LLC12,198$18.1K
Spire Wealth Management6,500$9.62K
Deutsche Bank AG5,349$7.92K
Raymond James Financial Inc157$232
Clearstead Advisors, LLC130$193

Not filed for Q3 2025 yet (2)

Institutions that held Metagenomi Therapeutics, Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MGX in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Norges Bank252,310$373.4K
Good Life Advisors, LLC200,000$296.0K