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.
13F holders, Q1 2026
Institutional positions in ZeroStack Corp. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 10
- +2 vs. Q4 2025
- Shares held
- 64.3K
- +63.0K (+4,884.3%) vs. Q4 2025
- Total value
- $397.3K
- +$389.3K (+4,866.0%) vs. Q4 2025
- New holders
- 4
- 2 more added
- Sold out
- 2
- 1 more reduced
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ZSTK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 11 | $183.8K |
| Q1 2026 | 10 | $397.3K |
| Q4 2025 | 8 | $8.00K |
| Q3 2025 | 12 | $109.3K |
| Q2 2025 | 26 | $330.5K |
| Q1 2025 | 24 | $333.9K |
| Q4 2024 | 23 | $566.6K |
| Q3 2024 | 21 | $623.9K |
| Q2 2024 | 20 | $400.2K |
| Q1 2024 | 22 | $751.8K |
| Q4 2023 | 22 | $1.52M |
| Q3 2023 | 23 | $2.01M |
| Q2 2023 | 20 | $1.16M |
| Q1 2023 | 32 | $1.57M |
| Q4 2022 | 39 | $4.00M |
| Q3 2022 | 32 | $3.10M |
| Q2 2022 | 39 | $2.65M |
| Q1 2022 | 28 | $3.64M |
| Q4 2021 | 35 | $7.60M |
| Q3 2021 | 25 | $6.47M |
| Q2 2021 | 10 | $317.0K |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding ZeroStack Corp.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 25,440 | $157.2K | 0.00% | +25,440 | New |
| Geode Capital Management, LLC | 25,321 | $156.5K | 0.00% | +25,321 | New |
| Vanguard Fiduciary Trust Co | 12,648 | $78.2K | 0.00% | +12,648 | New |
| UBS Group AG | 666 | $4.12K | 0.00% | +439+193.4% | Added |
| Morgan Stanley | 173 | $1.07K | 0.00% | −1−0.6% | Reduced |
| Bernard Wealth Management Corp. | 12 | $75 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 12 | $73 | 0.00% | +2+20.0% | Added |
| Sound Income Strategies, LLC | 12 | $72 | 0.00% | +12 | New |
| Key Financial Inc | 1 | $6 | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 12 | $0 | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −847−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −7−100.0% | Sold out |