STAK (STAK)
Specialized oilfield vehicles, equipment, and automation solutions for well production and maintenance.
$1.25
Pre-market+0.01 (+0.81%)
At close$1.24(−4.62%)
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Breakdown13F · 13D/G · Form 4
| Institutions5 holders · as of Mar 31, 2026 | 1.18% | 117.9K shares | |
| Insiders2 holders · as of Mar 17, 2026 | 91.90% | 9.20M shares | |
| Otherremainder | 6.92% | 692.5K shares |
10.01M company shares as of Aug 21, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing
The share count has not been confirmed by a second filing; stakes use it as it stands.
Institutions13F, as of Mar 31, 2026
5 holders · 117.9K shares · 4 new positions · 5 increased · 0 reduced · 3 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Jane Street Group, LLC | 54.4K | 0.54% | +54.4Knew | May 12, 2026 |
| Morgan Stanley | 50.0K | 0.50% | +50.0Knew | May 15, 2026 |
| UBS Group AG | 8.1K | 0.08% | +6.6K | May 5, 2026 |
| Tower Research Capital LLC (TRC) | 2.9K | 0.03% | +2.9Knew | May 15, 2026 |
| Wells Fargo & Company/MN | 2.5K | 0.02% | +2.5Knew | Jul 8, 2026 |
Ownership statements13D/G · 5% or more, as filed
No 13D/G filer at 5% or more on record.
Insider tradesForm 4
Latest trades
Nothing filed in the last 12 months.
CongressHouse and Senate disclosures
Not reported.