MGX Institutional Ownership
Who owns Metagenomi Therapeutics, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 43 funds reported holding MGX at Jun 30, 2026, together owning 16.6% of the company.
- ▼16 buying vs 21 selling
- ▼Held by funds -0.5 pts
- ▼Funds holding -5
- ▼Superinvestors: 1 added, 3 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 43 | 48 | −10.4% |
| In funds' top 10 | 0 | 1 | −100.0% |
| 13F shares | 6.3M | 6.5M | −3.1% |
| Held by funds | 16.6% | 17.1% | −0.5 pts |
| New positions | 4 | 2 | +100.0% |
| Increased | 12 | 9 | +33.3% |
| Reduced | 13 | 16 | −18.8% |
| Sold out | 8 | 12 | −33.3% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in MGX
All superinvestors →
Who owns MGX
share of fund held shares- Index and passive funds32.1%
- Active managers and hedge funds60.8%
- Banks and brokers7.1%
- Pensions, insurers and other0.0%
The top 10 holders own 79.5% of all MGX shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
4 funds changed their position- Marquette Asset Management, LLCSold out−72K sh
- Peapod Lane Capital LLCTrimmed−34K sh
- Fortitude Advisory Group L.L.C.Added+100 sh
- Caitong International Asset Management Co., LtdAdded+2 sh
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Vanguard Capital Management LLC | 2.85% | 1.1M | $1.3M | +20K |
| 2 | Renaissance Technologies LLC | 1.97% | 742K | $883K | −46K |
| 3 | Catalio Capital Management, LP | 1.40% | 529K | $630K | 0 |
| 4 | Peapod Lane Capital LLC | 1.39% | 525K | $625K | +8,263 |
| 5 | Two Sigma Investments, LP | 1.36% | 514K | $611K | +17K |
| 6 | Bridgeway Capital Management, LLC | 1.06% | 400K | $476K | +4,500 |
| 7 | Wells Fargo & Company/mn | 1.00% | 380K | $452K | +177K |
| 8 | Geode Capital Management, LLC | 0.76% | 289K | $344K | −70K |
| 9 | Pura Vida Investments, LLC | 0.70% | 264K | $315K | 0 |
| 10 | BlackRock, Inc. | 0.68% | 258K | $307K | +27K |
- Wells Fargo & Company/mn+177K sh+$211K
- Marquette Asset Management, LLC+72K sh+$86K
- Man Group plc+30K sh+$36K
- BlackRock, Inc.+27K sh+$33K
- Vanguard Capital Management LLC+20K sh+$24K
- Two Sigma Investments, LP+17K sh+$20K
- Qube Research & Technologies Ltd+17K sh+$20K
- Two Sigma Securities, LLC+15K sh+$18K
- Jacobs Levy Equity Management, Inc−222K sh−$264K
- Jane Street Group, LLC−113K sh−$135K
- Geode Capital Management, LLC−70K sh−$83K
- Millennium Management LLC−56K sh−$67K
- Renaissance Technologies LLC−46K sh−$54K
- Marshall Wace, LLP−28K sh−$37K
- Morgan Stanley−22K sh−$26K
- LPL Financial LLC−17K sh−$23K
MGX institutional ownership FAQ
Who owns the most MGX stock?
In Q2 2026 13F filings the largest holder of MGX was Vanguard Capital Management LLC, followed by Renaissance Technologies LLC and Catalio Capital Management, LP. Index fund managers are usually the biggest holders of large companies.
What percentage of MGX is owned by institutions?
Funds that file 13F reports held 16.6% of MGX's shares at Jun 30, 2026, compared with 17.1% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying MGX?
In Q2 2026, 16 funds bought MGX (4 of them new positions) and 21 sold (8 sold out completely). Among well known investors, 1 added and 3 cut. Our fund sentiment for MGX is strongly bearish.
What is MGX's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this MGX ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.