ZeroStack Corp.

ZSTK

Exchange: Nasdaq
Industry: Finance Services
SEC CIK: 0001790169

SEC filings (opens in a new tab)

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.

Q3 2021 vs. Q2 2021

How the institutions holding ZeroStack Corp. changed between Q2 2021 and Q3 2021.

All holders in Q3 2021 All holders in Q2 2021

13F holders of ZSTK: Q2 2021 compared with Q3 2021
Measure	Q2 2021	Q3 2021	Change
Holders	10	25	+15
Shares	85.8K	1.15M	+1.06M (+1,234.1%)
Value	$317.0K	$6.47M	+$6.16M (+1,941.7%)

New holders (17)

Institutions that held ZeroStack Corp. at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to ZSTK in Q3 2021
Institution	Shares	Value	% of portfolio
Mirae Asset Global Investments Co., Ltd.	891,164	$5.04M	0.01%
Vident Investment Advisory, LLC	49,518	$280.0K	0.01%
Millennium Management LLC	23,014	$130.0K	0.00%
Virtu Financial LLC	21,510	$122.0K	0.01%
Koshinski Asset Management, Inc.	18,952	$107.1K	0.01%
Verition Fund Management LLC	16,210	$92.0K	0.00%
Qube Research & Technologies Ltd	14,338	$81.0K	0.00%
Citadel Advisors LLC	10,882	$61.0K	0.00%
Global Retirement Partners, LLC	6,999	$40.0K	0.00%
Royal Bank of Canada	3,896	$22.0K	0.00%
Advisor Group Holdings, Inc.	3,000	$17.0K	0.00%
Tradewinds Capital Management, LLC	1,315	$7.00K	0.00%
Tower Research Capital LLC (TRC)	703	$4.00K	0.00%
Gemmer Asset Management LLC	700	$4.00K	0.00%
Proequities, Inc.	610	$3.00K	0.00%
Tradition Wealth Management, LLC	450	$3.00K	0.00%
The PNC Financial Services Group, Inc.	266	$2.00K	0.00%

Sold out (2)

Institutions that held ZeroStack Corp. at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of ZSTK in Q3 2021
Institution	Shares, Q2 2021	Value, Q2 2021
360 Financial, Inc.	11,199	$42.0K
Advisory Services Network, LLC	2,000	$7.00K