End-of-day close from stored market data, not a live quote.
Sign in to see your position size
We’ll show you if MSTX is in your portfolio and how much it contributes.
Sign inLoading market dates
No upcoming ex-dividend date announced
No 8-K filings in the last 30 days.
Institutional coverage is still building for this ticker.
Unlock crowding heatmapUnlock filer discoverySentiment: unknown
No recent insider trades detected.
Red flags: 0
22 filers reported a long position in MSTX for Q2 2026. 13-F holdings are filed up to 45 days after the quarter ends.
| Holder | Value | Shares | Shares vs Q1 2026 |
|---|---|---|---|
| StoneX Group Inc. | $2.9M | 191.9K | +312.8% |
| UBS Group AG | $1.5M | 203.8K | +62,800.6% |
| JANE STREET GROUP, LLC | $1.2M | 164K | +1,270.7% |
| CITADEL ADVISORS LLC | $535.9K | 72K | New |
| Optiver Holding B.V. | $394.9K | 53.1K | +152.2% |
| GOLDMAN SACHS GROUP INC | $297.6K | 40K | Unchanged |
| OLD MISSION CAPITAL LLC | $284.9K | 38.3K | New |
| Mariner, LLC | $280.2K | 37.7K | +73.9% |
| Jump Financial, LLC | $166.4K | 22.4K | +31.3% |
| GROUP ONE TRADING LLC | $165.7K | 22.3K | -11.2% |
Unlock detailed insider transactions, institutional holder changes, factor exposures, and personalized alerts. Start free with your own portfolio.