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.
Q1 2026 vs. Q4 2025
How the institutions holding ZeroStack Corp. changed between Q4 2025 and Q1 2026.
All holders in Q1 2026All holders in Q4 2025
| Measure | Q4 2025 | Q1 2026 | Change |
|---|---|---|---|
| Holders | 8 | 10 | +2 |
| Shares | 1.29K | 64.3K | +63.0K (+4,884.3%) |
| Value | $8.00K | $397.3K | +$389.3K (+4,866.0%) |
New holders (4)
Institutions that held ZeroStack Corp. at the end of Q1 2026 but not at the end of Q4 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Vanguard Capital Management LLC | 25,440 | $157.2K | 0.00% |
| Geode Capital Management, LLC | 25,321 | $156.5K | 0.00% |
| Vanguard Fiduciary Trust Co | 12,648 | $78.2K | 0.00% |
| Sound Income Strategies, LLC | 12 | $72 | 0.00% |
Sold out (2)
Institutions that held ZeroStack Corp. at the end of Q4 2025 and filed for Q1 2026 without it.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Tower Research Capital LLC (TRC) | 847 | $5.30K |
| Bank of America Corp | 7 | $43 |