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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.

13F holders, Q1 2025

Institutional positions in ZeroStack Corp. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
24
+2 vs. Q4 2024
Shares held
545.0K
−5.15K (−0.9%) vs. Q4 2024
Total value
$333.9K
−$232.7K (−41.1%) vs. Q4 2024
New holders
7
4 more added
Sold out
5
1 more reduced

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ZSTK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 24 institutions
Q1 2021: 0 institutionsQ2 2021: 10 institutionsQ3 2021: 25 institutionsQ4 2021: 35 institutionsQ1 2022: 28 institutionsQ2 2022: 39 institutionsQ3 2022: 32 institutionsQ4 2022: 39 institutionsQ1 2023: 32 institutionsQ2 2023: 20 institutionsQ3 2023: 23 institutionsQ4 2023: 22 institutionsQ1 2024: 22 institutionsQ2 2024: 20 institutionsQ3 2024: 21 institutionsQ4 2024: 23 institutionsQ1 2025: 24 institutionsQ2 2025: 26 institutionsQ3 2025: 12 institutionsQ4 2025: 8 institutionsQ1 2026: 10 institutionsQ2 2026: 11 institutions
Value heldQ1 2025: $333.9K
Q1 2021: $0Q2 2021: $317.0KQ3 2021: $6.47MQ4 2021: $7.60MQ1 2022: $3.64MQ2 2022: $2.65MQ3 2022: $3.10MQ4 2022: $4.00MQ1 2023: $1.57MQ2 2023: $1.16MQ3 2023: $2.01MQ4 2023: $1.52MQ1 2024: $751.8KQ2 2024: $400.2KQ3 2024: $623.9KQ4 2024: $566.6KQ1 2025: $333.9KQ2 2025: $330.5KQ3 2025: $109.3KQ4 2025: $8.00KQ1 2026: $397.3KQ2 2026: $183.8K
Institutions holding ZSTK and their total value by quarter
QuarterHoldersValue
Q2 202611$183.8K
Q1 202610$397.3K
Q4 20258$8.00K
Q3 202512$109.3K
Q2 202526$330.5K
Q1 202524$333.9K
Q4 202423$566.6K
Q3 202421$623.9K
Q2 202420$400.2K
Q1 202422$751.8K
Q4 202322$1.52M
Q3 202323$2.01M
Q2 202320$1.16M
Q1 202332$1.57M
Q4 202239$4.00M
Q3 202232$3.10M
Q2 202239$2.65M
Q1 202228$3.64M
Q4 202135$7.60M
Q3 202125$6.47M
Q2 202110$317.0K
Q1 20210$0

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding ZeroStack Corp.; share changes are against Q4 2024.

Institutions holding ZSTK in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Geode Capital Management, LLC165,557$100.2K0.00%+34,623+26.4%Added
Vanguard Group Inc88,780$53.7K0.00%00.0%Unchanged
Renaissance Technologies LLC82,013$49.6K0.00%−33,000−28.7%Reduced
AdvisorShares Investments LLC70,420$42.2K0.01%00.0%Unchanged
State Street Corp36,600$22.1K0.00%00.0%Unchanged
Ewing Morris & Co. Investment Partners Ltd.18,665$16.3K0.01%+18,665New
XTX Topco Ltd23,521$14.2K0.00%+23,521New
UBS Group AG17,344$10.5K0.00%+4,219+32.1%Added
Northern Trust Corp16,415$9.93K0.00%00.0%Unchanged
Morgan Stanley11,791$7.13K0.00%+15+0.1%Added
Two Sigma Securities, LLC10,891$6.59K0.00%+10,891New
Sound Income Strategies, LLC500$3030.00%00.0%Unchanged
Bernard Wealth Management Corp.500$3030.00%00.0%Unchanged
Advisor Group Holdings, Inc.386$2340.00%00.0%Unchanged
Barclays PLC315$1910.00%+315New
Global Financial Private Client, LLC248$1500.00%00.0%Unchanged
Bank of America Corp171$1040.00%+45+35.7%Added
Wells Fargo & Company61$370.00%+61New
Toth Financial Advisory Corp45$280.00%00.0%Unchanged
BlackRock, Inc.30$180.00%+30New
SBI Securities Co., Ltd.11$70.00%00.0%Unchanged
IFP Advisors, Inc10$60.00%+10New
Danske Bank A/S1$10.00%00.0%Unchanged
Royal Bank of Canada749$00.00%00.0%Unchanged
Virtu Financial LLC0$00.00%−41,507−100.0%Sold out
HRT Financial LP0$00.00%−22,913−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−60−100.0%Sold out
FMR LLC0$00.00%−54−100.0%Sold out
The PNC Financial Services Group, Inc.0$00.00%−13−100.0%Sold out
Global Retirement Partners, LLC––––Not filed