METAGENOMI INC (MGX) Top Institutional Shareholders
METAGENOMI INC (MGX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $8.62M in MGX holdings during the latest filing period.
Vanguard Capital Management Llc is currently the largest disclosed institutional shareholder of MGX tracked by InsiderSet, reporting ownership valued at approximately $1.42M in its March 31, 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 $1.25M, representing an estimated loss of -11.94% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 78% 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
45
Total Reported Value
$8.62M
Largest Holder
Vanguard Capital Management Llc
Largest Position
$1.42M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
61
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% | 1,057,944 | $1,417,645 | $1,248,374 | -$169,271 | -11.94% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 787,900 | $1,055,786 | $929,722 | -$126,064 | -11.94% |
| Catalio Capital Management, Lp | 0.15% | 528,993 | $708,851 | $624,212 | -$84,639 | -11.94% | |
| Peapod Lane Capital Llc | 0.56% | 516,761 | $682,915 | $609,778 | -$73,137 | -10.71% | |
| Two Sigma Investments, Lp | 0.00% | 496,767 | $665,668 | $586,185 | -$79,483 | -11.94% | |
| Bridgeway Capital Management, Llc | 0.01% | 395,800 | $530,372 | $467,044 | -$63,328 | -11.94% | |
| Jacobs Levy Equity Management, Inc | 0.00% | 382,153 | $512,085 | $450,941 | -$61,144 | -11.94% | |
| Geode Capital Management, Llc | 0.00% | 358,200 | $480,157 | $422,676 | -$57,481 | -11.97% | |
| Pura Vida Investments, Llc | 2.38% | 264,391 | $354,284 | $311,981 | -$42,303 | -11.94% | |
| Blackrock, Inc. | 0.00% | 230,134 | $308,379 | $271,558 | -$36,821 | -11.94% | |
| Wells Fargo & Company/Mn | 0.00% | 202,138 | $270,865 | $238,523 | -$32,342 | -11.94% | |
| Vanguard Fiduciary Trust Co | 0.00% | 170,174 | $228,033 | $200,805 | -$27,228 | -11.94% | |
| Millennium Management Llc | 0.00% | 170,104 | $227,939 | $200,723 | -$27,216 | -11.94% | |
| Jane Street Group, Llc | 0.00% | 151,440 | $202,929 | $178,699 | -$24,230 | -11.94% | |
| State Street Corp | 0.00% | 120,427 | $161,372 | $142,104 | -$19,268 | -11.94% | |
| Resolute Advisors Llc | 0.05% | 89,944 | $120,525 | $106,134 | -$14,391 | -11.94% | |
| Man Group Plc | 0.00% | 78,636 | $105,372 | $92,790 | -$12,582 | -11.94% | |
| Northern Trust Corp | 0.00% | 75,172 | $100,730 | $88,703 | -$12,027 | -11.94% | |
| Rbf Capital, Llc | 0.00% | 64,021 | $85,788 | $75,545 | -$10,243 | -11.94% | |
| Bbr Partners, Llc | 0.00% | 53,403 | $71,560 | $63,016 | -$8,544 | -11.94% | |
| Xtx Topco Ltd | 0.00% | 40,582 | $54,380 | $47,887 | -$6,493 | -11.94% | |
| Fortitude Advisory Group L.L.C. | 0.02% | 37,190 | $49,835 | $43,884 | -$5,951 | -11.94% | |
| Morgan Stanley | 0.00% | 27,566 | $36,938 | $32,528 | -$4,410 | -11.94% | |
| Marshall Wace, Llp | 0.00% | 27,521 | $36,878 | $32,475 | -$4,403 | -11.94% | |
| Citadel Advisors Llc | 0.00% | 16,993 | $22,771 | $20,052 | -$2,719 | -11.94% | |
| Lpl Financial Llc | 0.00% | 16,834 | $22,558 | $19,864 | -$2,694 | -11.94% | |
| Ubs Group Ag | 0.00% | 16,098 | $21,571 | $18,996 | -$2,575 | -11.94% | |
| Vanguard Global Advisers, Llc | 0.00% | 13,392 | $17,945 | $15,803 | -$2,142 | -11.94% | |
| Dimensional Fund Advisors Lp | 0.00% | 12,797 | $17,148 | $15,100 | -$2,048 | -11.94% | |
| Point72 Asset Management, L.P. | 0.00% | 11,726 | $15,713 | $13,837 | -$1,876 | -11.94% | |
| Meeder Asset Management Inc | 0.00% | 5,496 | $7,365 | $6,485 | -$880 | -11.94% | |
| Fmr Llc | 0.00% | 4,718 | $6,322 | $5,567 | -$755 | -11.94% | |
| Us Bancorp \De\ | 0.00% | 4,500 | $6,030 | $5,310 | -$720 | -11.94% | |
| Russell Investments Group, Ltd. | 0.00% | 4,179 | $5,600 | $4,931 | -$669 | -11.94% | |
| Osaic Holdings, Inc. | 0.00% | 2,891 | $3,873 | $3,411 | -$462 | -11.92% | |
| Nisa Investment Advisors, Llc | 0.00% | 511 | $685 | $603 | -$82 | -11.97% | |
| Allworth Financial Lp | 0.00% | 500 | $670 | $590 | -$80 | -11.94% | |
| Jones Financial Companies Lllp | 0.00% | 500 | $660 | $590 | -$70 | -10.61% | |
| Bnp Paribas Financial Markets | 0.00% | 307 | $411 | $362 | -$49 | -11.86% | |
| Larson Financial Group Llc | 0.00% | 50 | $67 | $59 | -$8 | -11.94% | |
| Tower Research Capital Llc (Trc) | 0.00% | 42 | $56 | $50 | -$6 | -11.50% | |
| Cwm, Llc | 0.00% | 25 | $34 | $30 | -$5 | -13.24% | |
| Optiver Holding B.V. | 0.00% | 18 | $24 | $21 | -$3 | -11.50% | |
| Hrt Financial Lp | 0.00% | 10,674 | $14 | $12,595 | +$12,581 | +89866.57% | |
| Caitong International Asset Management Co., Ltd | 0.00% | 4 | $5 | $5 | -$0 | -5.60% |
Frequently asked questions about MGX
Who owns the most MGX stock?
The largest holders of MGX are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for METAGENOMI INC (MGX).
Is MGX widely held by superinvestors?
Many widely followed stocks like MGX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly MGX is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.