Metagenomi Therapeutics, Inc. (MGX) — Institutional Holders, Q2 2026
43 institutional investment managers reported a MGX position on SEC Form 13F-HR for the quarter ended June 30, 2026, with a combined reported value of $7.5M. Every filer is listed below, ranked by position value. Put and call option positions are excluded, and a firm filing several lots or share classes is shown once with its total.
MGX in Q2 2026: what funds did
Funds that filed a 13F for both Q1 2026 and Q2 2026, by what they did with the common stock. Share counts are adjusted for any split between the two quarters; dollar figures are the change in shares at this quarter’s price.
Biggest buyers
- WELLS FARGO & COMPANYAdded · +177,370 sh+$211.1K
- Marquette Asset ManagementNew · +72,121 sh+$85.8K
- Man Group plcAdded · +30,494 sh+$36.3K
- BlackRockAdded · +27,497 sh+$32.7K
- VANGUARD CAPITAL MANAGEMENTAdded · +19,756 sh+$23.5K
Biggest sellers
- JACOBS LEVY EQUITY MANAGEMENTTrimmed · -222,153 sh-$264.4K
- JANE STREET GROUPTrimmed · -113,044 sh-$134.5K
- GEODE CAPITAL MANAGEMENTTrimmed · -69,535 sh-$82.7K
- MILLENNIUM MANAGEMENTTrimmed · -56,079 sh-$66.7K
- RENAISSANCE TECHNOLOGIESTrimmed · -45,500 sh-$54.1K
MGX 13F holders ranked 1–43 of 43
| # | Institution | Shares | Value | % of portfolio | QoQShares vs Q1 2026 |
|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT#1 · 1,077,700 sh | 1,077,700 | $1.3M | 0.00% | +1.9% |
| 2 | RENAISSANCE TECHNOLOGIES#2 · 742,400 sh | 742,400 | $883.5K | <0.01% | -5.8% |
| 3 | Catalio Capital Management#3 · 528,993 sh | 528,993 | $629.5K | 0.12% | 0.0% |
| 4 | Peapod Lane Capital#4 · 525,024 sh | 525,024 | $624.8K | — | +1.6% |
| 5 | TWO SIGMA INVESTMENTS#5 · 513,701 sh | 513,701 | $611.3K | <0.01% | +3.4% |
| 6 | BRIDGEWAY CAPITAL MANAGEMENT#6 · 400,300 sh | 400,300 | $476.4K | <0.01% | +1.1% |
| 7 | WELLS FARGO & COMPANY#7 · 379,508 sh | 379,508 | $451.6K | <0.01% | +87.7% |
| 8 | GEODE CAPITAL MANAGEMENT#8 · 288,665 sh | 288,665 | $343.7K | 0.00% | -19.4% |
| 9 | PURA VIDA INVESTMENTS#9 · 264,391 sh | 264,391 | $314.6K | 0.85% | 0.0% |
| 10 | BlackRock#10 · 257,631 sh | 257,631 | $306.6K | 0.00% | +11.9% |
| 11 | VANGUARD FIDUCIARY#11 · 171,251 sh | 171,251 | $203.8K | 0.00% | +0.6% |
| 12 | JACOBS LEVY EQUITY MANAGEMENT#12 · 160,000 sh | 160,000 | $190.4K | <0.01% | -58.1% |
| 13 | STATE STREET#13 · 119,850 sh | 119,850 | $142.6K | 0.00% | -0.5% |
| 14 | MILLENNIUM MANAGEMENT#14 · 114,025 sh | 114,025 | $135.7K | 0.00% | -33.0% |
| 15 | Man Group plc#15 · 109,130 sh | 109,130 | $129.9K | <0.01% | +38.8% |
| 16 | Resolute Advisors#16 · 89,944 sh | 89,944 | $107.0K | 0.03% | 0.0% |
| 17 | Marquette Asset Management#17 · 72,121 sh | 72,121 | $85.8K | — | New |
| 18 | NORTHERN#18 · 68,938 sh | 68,938 | $82.0K | 0.00% | -8.3% |
| 19 | RBF Capital#19 · 64,021 sh | 64,021 | $76.2K | <0.01% | 0.0% |
| 20 | XTX Topco Ltd#20 · 55,707 sh | 55,707 | $66.3K | <0.01% | +37.3% |
| 21 | BBR PARTNERS#21 · 53,403 sh | 53,403 | $63.5K | <0.01% | 0.0% |
| 22 | JANE STREET GROUP#22 · 38,396 sh | 38,396 | $45.7K | 0.00% | -74.6% |
| 23 | Fortitude Advisory Group L.L.C.#23 · 37,190 sh | 37,190 | $44.3K | — | 0.0% |
| 24 | CITADEL ADVISORS#24 · 17,851 sh | 17,851 | $21.2K | 0.00% | +5.0% |
| 25 | Qube Research & Technologies Ltd#25 · 16,850 sh | 16,850 | $20.1K | 0.00% | New |
| 26 | UBS Group AG#26 · 15,793 sh | 15,793 | $18.8K | 0.00% | -1.9% |
| 27 | TWO SIGMA SECURITIES#27 · 15,173 sh | 15,173 | $18.1K | <0.01% | New |
| 28 | Vanguard Global Advisers#28 · 13,392 sh | 13,392 | $15.9K | 0.00% | 0.0% |
| 29 | DIMENSIONAL FUND ADVISORS#29 · 12,797 sh | 12,797 | $15.2K | 0.00% | 0.0% |
| 30 | Peak Planning Group#30 · 12,500 sh | 12,500 | $14.9K | <0.01% | 0.0% |
| 31 | MEEDER ASSET MANAGEMENT#31 · 5,496 sh | 5,496 | $6.5K | <0.01% | 0.0% |
| 32 | MORGAN STANLEY#32 · 5,302 sh | 5,302 | $6.3K | 0.00% | -80.8% |
| 33 | Tower Research Capital (TRC)#33 · 5,300 sh | 5,300 | $6.3K | <0.01% | New |
| 34 | US BANCORP \DE\#34 · 4,500 sh | 4,500 | $5.4K | 0.00% | 0.0% |
| 35 | OSAIC#35 · 1,891 sh | 1,891 | $2.3K | 0.00% | -34.6% |
| 36 | JPMORGAN CHASE#36 · 1,596 sh | 1,596 | $1.9K | 0.00% | 0.0% |
| 37 | FMR#37 · 588 sh | 588 | $700.00 | 0.00% | -87.5% |
| 38 | JONES FINANCIAL COMPANIES LLLP#38 · 500 sh | 500 | $625.00 | 0.00% | 0.0% |
| 39 | Allworth Financial#39 · 500 sh | 500 | $595.00 | 0.00% | 0.0% |
| 40 | BNP PARIBAS FINANCIAL MARKETS#40 · 207 sh | 207 | $246.00 | 0.00% | -32.6% |
| 41 | BARCLAYS PLC#41 · 167 sh | 167 | $199.00 | 0.00% | New |
| 42 | Caitong International Asset Management , Ltd#42 · 8 sh | 8 | $10.00 | 0.00% | +100.0% |
| 43 | Optiver Holding B.V.#43 · 2 sh | 2 | $2.00 | 0.00% | -88.9% |
Funds that sold out of MGX in Q2 2026 (8)
Held MGX at the end of Q1 2026 and filed a Q2 2026 13F without it. Not in the list above, because they no longer hold it. Largest prior position first.
| Institution | Shares sold | Value in Q1 2026 |
|---|---|---|
| MARSHALL WACE, LLP27,521 sh | 27,521 | $36.9K |
| LPL Financial16,834 sh | 16,834 | $22.6K |
| Point72 Asset Management, L.P.11,726 sh | 11,726 | $15.7K |
| HRT FINANCIAL10,674 sh | 10,674 | $14.0K |
| Russell Investments Group, Ltd.4,179 sh | 4,179 | $5.6K |
| NISA INVESTMENT ADVISORS511 sh | 511 | $685.00 |
| Larson Financial Group50 sh | 50 | $67.00 |
| ROYAL BANK OF CANADA314 sh | 314 | $0.00 |
Source: Form 13F-HR filings on SEC EDGAR, Q2 2026. Values are as reported by each manager at quarter end. “% of portfolio” is the position’s share of the manager’s total reported 13F value for the same quarter. “New” means the manager filed a 13F for Q1 2026 without this position; a dash means no comparison is available. Where a manager’s own filing is internally inconsistent its value is withheld and it is listed last. 13F data shows reported holdings, not recommendations.