Metagenomi, Inc.
Ownership
Ownership Structure
Who owns Metagenomi, Inc. (MGX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 67.5% of the shares are freely tradable; institutional investors hold 19.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Capital Management, LLC | 2.80 | 1,057,944 | +0.0 | 03/31/2026 |
| Renaissance Technologies Corp | 2.09 | 787,900 | +25.4 | 03/31/2026 |
| Catalio Capital Management, LP | 1.40 | 528,993 | +0.0 | 06/30/2026 |
| Peapod Lane Capital LLC | 1.39 | 525,024 | +1.6 | 06/30/2026 |
| Two Sigma Investments LLC | 1.36 | 513,701 | +3.4 | 06/30/2026 |
| Bridgeway Capital Management, LLC | 1.05 | 395,800 | +0.0 | 03/31/2026 |
| Jacobs Levy Equity Management, Inc. | 1.01 | 382,153 | +0.0 | 03/31/2026 |
| Geode Capital Management, LLC | 0.95 | 358,200 | +17.1 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 1.96 | 741,407 | +0.0 | 07/31/2026 |
| Bridgeway Ultra-Small Company | 0.87 | 327,100 | +0.0 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Irish Jian | See Remarks | 375,393 | 412,932 $ | Sep 8, 2026 | direct |
| Wapnick Pamela | Chief Financial Officer | 206,580 | 227,238 $ | Sep 8, 2026 | direct |
| Wein Matthew | See Remarks | 126,133 | 138,746 $ | Sep 8, 2026 | direct |
| Reid Laurence | Director | 20,000 | 22,000 $ | Sep 9, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 9, 2026 | Reid Laurence | Director | Buy | 117 | 1.18 | 138 |
| Sep 9, 2026 | Reid Laurence | Director | Buy | 19,883 | 1.17 | 23,263 |
| Sep 8, 2026 | Wein Matthew | See Remarks | Sell | 358 | 1.16 | 415 |
| Sep 8, 2026 | Irish Jian | See Remarks | Sell | 2,140 | 1.16 | 2,479 |
| Sep 8, 2026 | Wapnick Pamela | Chief Financial Officer | Sell | 1,911 | 1.16 | 2,214 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.