MGX · Insider trading · 13F holders · Congress trades
Metagenomi Therapeutics, Inc. (MGX)
Who is buying and selling MGX: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 2
- Insider buys, 90 days
- $23K
- Insider sales, 90 days
- $5K
- Congress trades, 12 months
- 0
MGX at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 4 MGX insiders filed 1 open-market purchase worth $23K and 3 sales worth $5K on SEC Form 4.
- 2 13F filers hold MGX among their 50 largest positions, worth $944K combined. The biggest bets by portfolio weight are Pura Vida Investments, LLC (0.8%) and Catalio Capital Management, LP (0.1%).
- No member of Congress has disclosed a trade in MGX.
- MGX last closed at $0.83 on Oct 29, 2026.
MGX insider trading
Between Aug 1, 2026 and Oct 29, 2026, 4 MGX insiders filed 1 open-market purchase worth $23K and 3 sales worth $5K on SEC Form 4.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | Reid Laurence | Director | Buy | 20,000 | $1.17 | $23K | SEC |
| Sep 10, 2026 | Irish Jian | See Remarks, Director | Sale | 2,140 | $1.16 | $2K | SEC |
| Sep 10, 2026 | Wapnick Pamela | Chief Financial Officer | Sale | 1,911 | $1.16 | $2K | SEC |
| Sep 10, 2026 | Wein Matthew | See Remarks | Sale | 358 | $1.16 | $414.71 | SEC |
Who owns MGX? Hedge funds and superinvestors
2 13F filers hold MGX among their 50 largest positions, worth $944K combined. The biggest bets by portfolio weight are Pura Vida Investments, LLC (0.8%) and Catalio Capital Management, LP (0.1%).
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Catalio Capital Management, LPHedge fund | 0.1% | $630K | 528,993 | +0.0% shares | Q2 2026 |
| Pura Vida Investments, LLCHedge fund | 0.8% | $315K | 264,391 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 2). Screen MGX in the grand portfolio →
MGX stock trades by members of Congress
No member of Congress has disclosed a trade in MGX.
MGX questions and answers
Are insiders buying MGX stock?
Between Aug 1, 2026 and Oct 29, 2026, 4 MGX insiders filed 1 open-market purchase worth $23K and 3 sales worth $5K on SEC Form 4.
Which hedge funds own MGX?
2 13F filers hold MGX among their 50 largest positions, worth $944K combined. The biggest bets by portfolio weight are Pura Vida Investments, LLC (0.8%) and Catalio Capital Management, LP (0.1%).
Has Congress traded MGX?
No member of Congress has disclosed a trade in MGX.
Who is the largest holder of MGX?
Among 13F filers, Catalio Capital Management, LP reports the largest MGX position, $630K (528,993 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Pura Vida Investments, LLC's: 0.8% of its portfolio.
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