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Who owns MGXWhat MGX owns — n/a

Who owns Metagenomi Therapeutics, Inc.?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of MGX from SEC Form 13F filings across 43 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2026-06-30 reporting period, 43 institutions disclosed 6.3M shares of Metagenomi Therapeutics, Inc. worth $7.5M — about 16.6% of shares outstanding; the largest disclosed holder is VANGUARD CAPITAL MANAGEMENT LLC. Source: SEC Form 13F filings, parsed by EvidInvest.

43

13F holders

$7.5M

value, 2026 filers

16.6%

of shares outstanding (6.3M sh)

4

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of MGX's shares outstanding

#ManagerSharesValue% of fund% of co.Δ shares QoQ
1VANGUARD CAPITAL MANAGEMENT LLC1.1M$1.3M0.0%2.9%+1.9%
2RENAISSANCE TECHNOLOGIES LLC742,400$883,4560.0%2%-5.8%
3Catalio Capital Management, LP528,993$629,5020.1%1.4%0.0%
4Peapod Lane Capital LLC525,024$624,7790.4%1.4%+1.6%
5TWO SIGMA INVESTMENTS, LP513,701$611,3040.0%1.4%+3.4%
6BRIDGEWAY CAPITAL MANAGEMENT, LLC400,300$476,3570.0%1.1%+1.1%
7WELLS FARGO & COMPANY/MN379,508$451,6140.0%1%+87.7%
8GEODE CAPITAL MANAGEMENT, LLC288,665$343,6720.0%0.8%-19.4%
9PURA VIDA INVESTMENTS, LLC264,391$314,6250.9%0.7%0.0%
10BlackRock, Inc.257,631$306,5810.0%0.7%+11.9%
11VANGUARD FIDUCIARY TRUST CO171,251$203,7890.0%0.5%+0.6%
12JACOBS LEVY EQUITY MANAGEMENT, INC160,000$190,4000.0%0.4%-58.1%
13STATE STREET CORP119,850$142,6220.0%0.3%-0.5%
14MILLENNIUM MANAGEMENT LLC114,025$135,6900.0%0.3%-33.0%
15Man Group plc109,130$129,8650.0%0.3%+38.8%
16Resolute Advisors LLC89,944$107,0330.0%0.2%0.0%
17Marquette Asset Management, LLCNEW72,121$85,8240.0%0.2%new
18NORTHERN TRUST CORP68,938$82,0360.0%0.2%-8.3%
19RBF Capital, LLC64,021$76,1850.0%0.2%0.0%
20XTX Topco Ltd55,707$66,2910.0%0.1%+37.3%
21BBR PARTNERS, LLC53,403$63,5500.0%0.1%0.0%
22JANE STREET GROUP, LLC38,396$45,6910.0%0.1%-74.6%
23Fortitude Advisory Group L.L.C.37,190$44,2560.0%0.1%0.0%
24CITADEL ADVISORS LLC17,851$21,2430.0%0%+5.0%
25Qube Research & Technologies LtdNEW16,850$20,0520.0%0%new

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.

EvidInvest is an independent research and information tool. Figures are calculated from public SEC filings and third-party market data and are provided for informational and educational purposes only. EvidInvest does not provide investment advice, brokerage, or financial services, and is not affiliated with any company it covers. Verify all figures against primary sources before making any decision.