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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.

Q1 2022 vs. Q4 2021

How the institutions holding ZeroStack Corp. changed between Q4 2021 and Q1 2022.

All holders in Q1 2022All holders in Q4 2021

13F holders of ZSTK: Q4 2021 compared with Q1 2022
MeasureQ4 2021Q1 2022Change
Holders3528−7
Shares4.27M1.86M−2.41M (−56.4%)
Value$7.60M$3.64M−$3.96M (−52.1%)

New holders (4)

Institutions that held ZeroStack Corp. at the end of Q1 2022 but not at the end of Q4 2021.

Institutions new to ZSTK in Q1 2022
InstitutionSharesValue% of portfolio
ETF Managers Group, LLC46,809$92.0K0.00%
Flow Traders U.S. LLC13,508$26.0K0.00%
Trustcore Financial Services, LLC1,000$2.00K0.00%
Captrust Financial Advisors238$00.00%

Sold out (11)

Institutions that held ZeroStack Corp. at the end of Q4 2021 and filed for Q1 2022 without it.

Institutions that sold out of ZSTK in Q1 2022
InstitutionShares, Q4 2021Value, Q4 2021
Sabby Management, LLC1,482,242$2.64M
Highbridge Capital Management LLC825,000$1.47M
CVI Holdings, LLC205,502$366.0K
Two Sigma Investments, LP123,652$220.0K
Morgan Stanley106,988$190.0K
Citadel Advisors LLC30,307$54.0K
Engineers Gate Manager LP28,747$51.0K
Wedbush Securities Inc25,000$45.0K
Two Sigma Securities, LLC16,060$29.0K
Keystone Financial Group10,000$18.0K
Proequities, Inc.160$0