MGX Institutional Ownership & Shareholders
METAGENOMI INC (MGX) is currently held by 43 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $7.49M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Vanguard Capital Management Llc is currently the largest disclosed institutional shareholder of MGX tracked by InsiderSet, reporting ownership valued at approximately $1.28M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $879,618.74, representing an estimated loss of -31.41% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 81% of the total disclosed MGX value among the investors covered in this analysis. Major shareholders include Vanguard Capital Management Llc, Renaissance Technologies LLC, Catalio Capital Management, Lp, and several other long-term asset managers with concentrated positions in METAGENOMI INC (MGX).
This page ranks the largest institutional MGX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
43
Total Reported Value
$7.49M
Largest Holder
Vanguard Capital Management Llc
Largest Position
$1.28M
Insider Transactions (90d)
5
Latest Filing Quarter
Q2 2026
New Institutional Positions
63
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Vanguard Capital Management Llc | 0.00% | 1,077,700 | $1,282,463 | $879,619 | -$402,844 | -31.41% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 742,400 | $883,456 | $605,947 | -$277,509 | -31.41% |
| Catalio Capital Management, Lp | 0.15% | 528,993 | $856,969 | $431,764 | -$425,205 | -49.62% | |
| Two Sigma Investments, Lp | 0.00% | 513,701 | $611,304 | $419,283 | -$192,021 | -31.41% | |
| Peapod Lane Capital Llc | 0.39% | 490,992 | $520,452 | $400,748 | -$119,704 | -23.00% | |
| Bridgeway Capital Management, Llc | 0.01% | 400,300 | $476,357 | $326,725 | -$149,632 | -31.41% | |
| Wells Fargo & Company/Mn | 0.00% | 379,508 | $451,614 | $309,754 | -$141,860 | -31.41% | |
| Geode Capital Management, Llc | 0.00% | 288,665 | $343,672 | $235,608 | -$108,064 | -31.44% | |
| Pura Vida Investments, Llc | 0.85% | 264,391 | $314,625 | $215,796 | -$98,829 | -31.41% | |
| Blackrock, Inc. | 0.00% | 257,631 | $306,581 | $210,278 | -$96,303 | -31.41% | |
| Vanguard Fiduciary Trust Co | 0.00% | 171,251 | $203,789 | $139,775 | -$64,014 | -31.41% | |
| Jacobs Levy Equity Management, Inc | 0.00% | 160,000 | $190,400 | $130,592 | -$59,808 | -31.41% | |
| State Street Corp | 0.00% | 119,850 | $142,622 | $97,822 | -$44,800 | -31.41% | |
| Millennium Management Llc | 0.00% | 114,025 | $135,690 | $93,067 | -$42,623 | -31.41% | |
| Man Group Plc | 0.00% | 109,130 | $129,865 | $89,072 | -$40,793 | -31.41% | |
| Resolute Advisors Llc | 0.03% | 89,944 | $107,033 | $73,412 | -$33,621 | -31.41% | |
| Northern Trust Corp | 0.00% | 68,938 | $82,036 | $56,267 | -$25,769 | -31.41% | |
| Rbf Capital, Llc | 0.00% | 64,021 | $76,185 | $52,254 | -$23,931 | -31.41% | |
| Xtx Topco Ltd | 0.00% | 55,707 | $66,291 | $45,468 | -$20,823 | -31.41% | |
| Bbr Partners, Llc | 0.00% | 53,403 | $63,550 | $43,588 | -$19,962 | -31.41% | |
| Jane Street Group, Llc | 0.00% | 38,396 | $45,691 | $31,339 | -$14,352 | -31.41% | |
| Fortitude Advisory Group L.L.C. | 0.02% | 37,290 | $39,527 | $30,436 | -$9,091 | -23.00% | |
| Citadel Advisors Llc | 0.00% | 17,851 | $21,243 | $14,570 | -$6,673 | -31.41% | |
| Qube Research & Technologies Ltd | 0.00% | 16,850 | $20,052 | $13,753 | -$6,299 | -31.41% | |
| Ubs Group Ag | 0.00% | 15,793 | $18,794 | $12,890 | -$5,904 | -31.41% | |
| Two Sigma Securities, Llc | 0.00% | 15,173 | $18,056 | $12,384 | -$5,672 | -31.41% | |
| Vanguard Global Advisers, Llc | 0.00% | 13,392 | $15,936 | $10,931 | -$5,005 | -31.41% | |
| Dimensional Fund Advisors Lp | 0.00% | 12,797 | $15,228 | $10,445 | -$4,783 | -31.41% | |
| Peak Planning Group, Llc | 0.00% | 12,500 | $14,875 | $10,203 | -$4,673 | -31.41% | |
| Meeder Asset Management Inc | 0.00% | 5,496 | $6,540 | $4,486 | -$2,054 | -31.41% | |
| Morgan Stanley | 0.00% | 5,302 | $6,309 | $4,327 | -$1,982 | -31.41% | |
| Tower Research Capital Llc (Trc) | 0.00% | 5,300 | $6,307 | $4,326 | -$1,981 | -31.41% | |
| Us Bancorp \De\ | 0.00% | 4,500 | $5,355 | $3,673 | -$1,682 | -31.41% | |
| Osaic Holdings, Inc. | 0.00% | 1,891 | $2,250 | $1,543 | -$707 | -31.40% | |
| Jpmorgan Chase & Co | 0.00% | 1,596 | $1,915 | $1,303 | -$612 | -31.98% | |
| Fmr Llc | 0.00% | 588 | $700 | $480 | -$220 | -31.44% | |
| Jones Financial Companies Lllp | 0.00% | 500 | $625 | $408 | -$217 | -34.70% | |
| Allworth Financial Lp | 0.00% | 500 | $595 | $408 | -$187 | -31.41% | |
| Bnp Paribas Financial Markets | 0.00% | 207 | $246 | $169 | -$77 | -31.32% | |
| Barclays Plc | 0.00% | 167 | $199 | $136 | -$63 | -31.50% | |
| Cwm, Llc | 0.00% | 25 | $34 | $20 | -$14 | -39.99% | |
| Caitong International Asset Management Co., Ltd | 0.00% | 8 | $10 | $7 | -$3 | -34.70% | |
| Optiver Holding B.V. | 0.00% | 2 | $2 | $2 | -$0 | -18.38% |
Frequently asked questions about MGX
Who are the largest institutional holders of MGX?
The largest institutional holders of MGX reported in the latest SEC Form 13F filings include Vanguard Capital Management Llc, Renaissance Technologies LLC, Catalio Capital Management, Lp, Two Sigma Investments, Lp, and Peapod Lane Capital Llc. InsiderSet ranks institutional holders by their latest reported MGX position.
What is MGX institutional ownership?
This page tracks MGX positions reported by institutional investment managers through SEC Form 13F. METAGENOMI INC (MGX) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own MGX?
InsiderSet currently tracks 43 institutional managers reporting MGX holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of MGX shareholders.
How much MGX stock do institutions own?
Institutional investment managers disclosed approximately $7.49M in MGX holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was MGX institutional ownership last updated?
The latest MGX institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional MGX holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its MGX position after the reporting date.
Are institutions buying or selling MGX?
Institutional buying and selling can be analyzed by comparing MGX positions across consecutive 13F reporting periods. InsiderSet's MGX Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View MGX ownership changes.
How has MGX institutional ownership changed over time?
InsiderSet tracks MGX institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.