ZeroStack Ownership | Who Owns ZeroStack?
ZeroStack Ownership Summary
ZeroStack is owned by 0.65% institutional investors, 25.00% insiders, and 74.35% retail investors. Vanguard Institutional Extnd Mkt Idx Tr is the top mutual fund, with 1.05% of its assets in ZeroStack shares.
ZSTK Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | ZeroStack | 0.65% | 25.00% | 74.35% |
| Sector | Healthcare Stocks | 35.75% | 11.89% | 52.37% |
| Industry | Medical Distribution Stocks | 30.61% | 15.61% | 53.79% |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 9 | - | 64,285 | - | - | - | 9 | - | - | - |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Institutional Extnd Mkt Idx Tr | 25.44K | 1.05% | - |
| Fidelity Extended Market Index | 17.40K | 0.72% | -64.00 |
| Spartan Extended Market Index Pool F | 3.31K | 0.14% | 64.00 |
| Northern Trust Extended Eq Market Idx | 2.95K | 0.12% | 2.53K |
| NT Ext Equity Mkt Index Fund - Lending | 2.95K | 0.12% | 2.53K |
| Fidelity Series Total Market Index | 2.28K | 0.09% | - |
| Fidelity Total Market Index | 1.49K | 0.06% | - |
| NT Ext Eq Mkt Idx Fd DC Lending Tier 5 | 1.16K | 0.05% | 998.00 |
| Fidelity Nasdaq Composite Index | 423.00 | 0.02% | - |
| Spartan Total Market Index Pool G | 414.00 | 0.02% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 09, 2025 | Reis-Faria Daniel | CEO | Buy | $595.47 |
| Sep 13, 2024 | Starke Clifford | CEO | Buy | $6.46K |
| Sep 06, 2024 | Wolkin Harold | - | Buy | $14.69K |
| Sep 06, 2024 | Wolkin Harold | - | Buy | $4.76K |
| Sep 06, 2024 | Wolkin Harold | - | Buy | $4.81K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | - |
| 2026 Q1 | - | - |
| 2025 Q4 | 1 | - |
| 2025 Q3 | - | - |
| 2025 Q2 | - | - |
ZSTK Ownership FAQ
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