ZeroStack Corp.
ZSTK- Exchange
- Nasdaq
- Industry
- Finance Services
- SEC CIK
- 0001790169
In the last 90 days, ZeroStack Corp. insiders filed 1 open-market purchase and 1 sale; 11 institutions reported holding it in 13F filings for Q2 2026, worth $183.8K in total; no superinvestor holds it.
Q3 2025 vs. Q2 2025
How the institutions holding ZeroStack Corp. changed between Q2 2025 and Q3 2025.
All holders in Q3 2025All holders in Q2 2025
| Measure | Q2 2025 | Q3 2025 | Change |
|---|---|---|---|
| Holders | 26 | 12 | −14 |
| Shares | 571.8K | 6.71K | −565.1K (−98.8%) |
| Value | $330.5K | $109.3K | −$221.2K (−66.9%) |
New holders (2)
Institutions that held ZeroStack Corp. at the end of Q3 2025 but not at the end of Q2 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Tower Research Capital LLC (TRC) | 268 | $4.63K | 0.00% |
| Citigroup Inc | 140 | $2.42K | 0.00% |
Sold out (16)
Institutions that held ZeroStack Corp. at the end of Q2 2025 and filed for Q3 2025 without it.
| Institution | Shares, Q2 2025 | Value, Q2 2025 |
|---|---|---|
| Geode Capital Management, LLC | 168,572 | $97.8K |
| Vanguard Group Inc | 88,780 | $51.5K |
| Renaissance Technologies LLC | 79,613 | $46.2K |
| AdvisorShares Investments LLC | 70,960 | $41.2K |
| XTX Topco Ltd | 40,287 | $23.4K |
| State Street Corp | 36,600 | $21.2K |
| Susquehanna International Group, LLP | 17,802 | $10.3K |
| HRT Financial LP | 18,803 | $10.0K |
| Northern Trust Corp | 16,415 | $9.52K |
| TD Waterhouse Canada Inc. | 4,782 | $2.82K |
| Sound Income Strategies, LLC | 500 | $290 |
| Farther Finance Advisors, LLC | 55 | $32 |
| IFP Advisors, Inc | 20 | $12 |
| SBI Securities Co., Ltd. | 11 | $6 |
| Global Retirement Partners, LLC | 3 | $2 |
| Danske Bank A/S | 1 | $1 |