# METAGENOMI THERAPEUTICS INC (MGX)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/MGX/

- Reporting holders: 43
- Reported value: $7.6M
- Shares held by institutions: 6,400,403 of 37,777,105 outstanding
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $1.3M | 1,077,700 | 0.0% | 2 |
| [RENAISSANCE TECHNOLOGIES LLC](https://holderbook.com/funds/1037389-renaissance-technologies-llc/) | $883.5K | 742,400 | 0.0% | 8 |
| [Catalio Capital Management, LP](https://holderbook.com/funds/1958125-catalio-capital-management-lp/) | $629.5K | 528,993 | 0.1% | 7 |
| [Peapod Lane Capital LLC](https://holderbook.com/funds/2050979-peapod-lane-capital-llc/) | $624.8K | 525,024 | 0.4% | 7 |
| [TWO SIGMA INVESTMENTS, LP](https://holderbook.com/funds/1179392-two-sigma-investments-lp/) | $611.3K | 513,701 | 0.0% | 10 |
| [BRIDGEWAY CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1107261-bridgeway-capital-management-llc/) | $476.4K | 400,300 | 0.0% | 8 |
| [WELLS FARGO & COMPANY/MN](https://holderbook.com/funds/72971-wells-fargo-company-mn/) | $451.6K | 379,508 | 0.0% | 10 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $343.7K | 288,665 | 0.0% | 10 |
| [PURA VIDA INVESTMENTS, LLC](https://holderbook.com/funds/1590144-pura-vida-investments-llc/) | $314.6K | 264,391 | 0.9% | 10 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $306.6K | 257,631 | 0.0% | 8 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $285.2K | 239,700 | 0.0% | 9 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $203.8K | 171,251 | 0.0% | 2 |
| [JACOBS LEVY EQUITY MANAGEMENT, INC](https://holderbook.com/funds/884414-jacobs-levy-equity-management-inc/) | $190.4K | 160,000 | 0.0% | 2 |
| [MILLENNIUM MANAGEMENT LLC](https://holderbook.com/funds/1273087-millennium-management-llc/) | $135.7K | 114,025 | 0.0% | 10 |
| [Man Group plc](https://holderbook.com/funds/1637460-man-group-plc/) | $129.9K | 109,130 | 0.0% | 4 |
| [Resolute Advisors LLC](https://holderbook.com/funds/1800217-resolute-advisors-llc/) | $107.0K | 89,944 | 0.0% | 10 |
| [Marquette Asset Management, LLC](https://holderbook.com/funds/1395067-marquette-asset-management-llc/) | $85.8K | 72,121 | 0.0% | 1 |
| [NORTHERN TRUST CORP](https://holderbook.com/funds/73124-northern-trust-corp/) | $82.0K | 68,938 | 0.0% | 10 |
| [RBF Capital, LLC](https://holderbook.com/funds/1134621-rbf-capital-llc/) | $76.2K | 64,021 | 0.0% | 5 |
| [XTX Topco Ltd](https://holderbook.com/funds/1828301-xtx-topco-ltd/) | $66.3K | 55,707 | 0.0% | 4 |
| [BBR PARTNERS, LLC](https://holderbook.com/funds/1352467-bbr-partners-llc/) | $63.5K | 53,403 | 0.0% | 7 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $45.7K | 38,396 | 0.0% | 5 |
| [Fortitude Advisory Group L.L.C.](https://holderbook.com/funds/1928999-fortitude-advisory-group-l-l-c/) | $44.3K | 37,190 | 0.0% | 7 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $42.5K | 35,702 | 0.0% | 3 |
| [Qube Research & Technologies Ltd](https://holderbook.com/funds/1729829-qube-research-technologies-ltd/) | $20.1K | 16,850 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 43 | $7.6M |
| Q1 2026 | 47 | $8.9M |
| Q4 2025 | 54 | $11.9M |
| Q3 2025 | 56 | $13.0M |
| Q2 2025 | 68 | $9.5M |
| Q1 2025 | 78 | $12.5M |
| Q4 2024 | 77 | $38.9M |
| Q3 2024 | 64 | $24.1M |
| Q2 2024 | 54 | $49.6M |
| Q1 2024 | 49 | $140.6M |