ZSTK — Zerostack Corp Institutional Holders · Q2 2026
Who owns Zerostack Corp (ZSTK)? 12 institutions reported holding $183,830 in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Vanguard Group Inc ($114,264), Geode Capital Management, LLC ($62,984), Tower Research Capital LLC (TRC) ($5,190).
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $114,264 | 38,088 | Hold |
| 2 | GEODE CAPITAL MANAGEMENT, LLC | $62,984 | 20,994 | Trimmed |
| 3 | Tower Research Capital LLC (TRC) | $5,190 | 1,730 | New |
| 4 | UBS Group AG | $1,320 | 440 | Trimmed |
| 5 | OSAIC HOLDINGS, INC. | $36 | 12 | Hold |
| 6 | MORGAN STANLEY | $21 | 7 | Trimmed |
| 7 | BARCLAYS PLC | $9 | 3 | New |
| 8 | Key Financial Inc | $3 | 1 | Hold |
| 9 | CITIGROUP INC | $3 | 1 | New |
| 10 | Royal Bank of Canada | $0 | 12 | Hold |
| 11 | Sound Income Strategies, LLC | $0 | 0 | Exited |
| 12 | Bernard Wealth Management Corp. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30