# ZEROSTACK CORP (ZSTK)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/ZSTK/

- Reporting holders: 12
- Reported value: $183.9K
- Shares held by institutions: 61,313 of 17,489,828 outstanding
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $76.3K | 25,440 | 0.0% | 2 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $63.0K | 20,994 | 0.0% | 2 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $37.9K | 12,648 | 0.0% | 2 |
| [Tower Research Capital LLC (TRC)](https://holderbook.com/funds/1533421-tower-research-capital-llc-trc/) | $5.2K | 1,730 | 0.0% | 1 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $1.3K | 440 | 0.0% | 2 |
| [MERCER GLOBAL ADVISORS INC /ADV](https://holderbook.com/funds/853758-mercer-global-advisors-inc-adv/) | $75 | 25 | 0.0% | 1 |
| [OSAIC HOLDINGS, INC.](https://holderbook.com/funds/1677044-osaic-holdings-inc/) | $36 | 12 | 0.0% | 2 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $21 | 7 | 0.0% | 2 |
| [BARCLAYS PLC](https://holderbook.com/funds/312069-barclays-plc/) | $9 | 3 | 0.0% | 1 |
| [CITIGROUP INC](https://holderbook.com/funds/831001-citigroup-inc/) | $3 | 1 | 0.0% | 1 |
| [Key Financial Inc](https://holderbook.com/funds/1801720-key-financial-inc/) | $3 | 1 | 0.0% | 2 |
| [ROYAL BANK OF CANADA](https://holderbook.com/funds/1000275-royal-bank-of-canada/) | $0 | 12 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 12 | $183.9K |
| Q1 2026 | 9 | $397.3K |