STAK Inc.
STAK- Exchange
- Nasdaq
- Industry
- Oil & Gas Field Machinery & Equipment
- SEC CIK
- 0002002453
No open-market purchases or sales by STAK Inc. insiders were filed in the last 90 days; 8 institutions reported holding it in 13F filings for Q2 2026, worth $1.24M in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +3 vs. previous quarter
- 8
- 13F valueReported value at the end of Q2 2026
- $1.24M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding STAK, Q2 2026
No superinvestor reported holding STAK at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by STAK Inc. insiders from Form 4, newest first.
No open-market purchases or sales by STAK Inc. insiders are on file.
Top 10 13F holders, Q2 2026
The largest institutional positions in STAK Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| HRT Financial LP | 131,486 | $500.0K | 0.00% | +131,486 | New |
| Jane Street Group, LLC | 131,219 | $499.9K | 0.00% | +76,816+141.2% | Added |
| XTX Topco Ltd | 21,355 | $81.4K | 0.00% | +21,355 | New |
| UBS Group AG | 20,236 | $77.1K | 0.00% | +12,147+150.2% | Added |
| Scientech Research LLC | 16,508 | $62.9K | 0.05% | +16,508 | New |
| Tower Research Capital LLC (TRC) | 5,000 | $19.1K | 0.00% | +2,100+72.4% | Added |
| Caitong International Asset Management Co., Ltd | 1 | $4 | 0.00% | +1 | New |
| Royal Bank of Canada | 100 | $0 | 0.00% | +100 | New |