Energy • Oil & Gas Equipment & Services
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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
7 filers reported a long position in STAK for Q2 2026. 13-F holdings are filed up to 45 days after the quarter ends.
| Holder | Value | Shares | Shares vs Q1 2026 |
|---|---|---|---|
| HRT FINANCIAL LP | $500K | 131.5K | New |
| JANE STREET GROUP, LLC | $499.9K | 131.2K | +141.2% |
| XTX Topco Ltd | $81.4K | 21.4K | New |
| UBS Group AG | $77.1K | 20.2K | +150.2% |
| Scientech Research LLC | $62.9K | 16.5K | New |
| Tower Research Capital LLC (TRC) | $19.1K | 5K | +72.4% |
| Caitong International Asset Management Co., Ltd | $4 | 1 | New |
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