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ZeroStack Ownership | Who Owns ZeroStack?

OverviewForecastRevenueFinancialsChart

ZeroStack Ownership Summary

ZeroStack is owned by 0.62% institutional investors, 63.59% insiders, and 35.80% retail investors. Sound income strategies is the largest institutional shareholder, holding 0% of ZSTK shares. Fidelity Extended Market Index is the top mutual fund, with 0.55% of its assets in ZeroStack shares.

ZSTK Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockZeroStack0.62%63.59%35.80%
IndustryAsset Management Stocks47.59%11.88%40.53%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Sound income strategies---

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Sound income strategies---

Top Buyers

HolderShares% AssetsChange
Sound income strategies---12.00

Top Sellers

HolderShares% AssetsChange
Sound income strategies---12.00

Sold Out

HolderChange
Sound income strategies-12.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 20261122.22%61,301-4.64%-147.66%4-55.56%3-
Mar 31, 20269-64,285---9---

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Fidelity Extended Market Index13.34K0.55%-3.64K
Vanguard Institutional Extnd Mkt Idx Tr25.44K0.15%-
Northern Trust Extended Eq Market Idx2.95K0.12%-
NT Ext Equity Mkt Index Fund - Lending2.95K0.12%-
NT Ext Equity Mkt Index Fund - NL2.36K0.10%2.36K
Fidelity Series Total Market Index2.28K0.09%-
NT Ext Equity Mkt Idx Fd - DC - NL - T21.71K0.07%1.71K
Fidelity Total Market Index1.49K0.06%-
NT Ext Eq Mkt Idx Fd DC Lending Tier 51.16K0.05%998.00
Spartan Extended Market Index Pool F3.34K0.03%24.00

Recent Insider Transactions

DateNameRoleActivityValue
Aug 19, 2026Rong Rudy PresidentSell$7.57K
Jul 20, 2026Heinrich Michael Executive ChairmanBuy$3.48M
Oct 09, 2025Reis-Faria Daniel CEOBuy$595.47
Sep 13, 2024Starke Clifford CEOBuy$6.46K
Sep 06, 2024Wolkin Harold-Buy$4.76K

Insider Transactions Trends

DateBuySell
2026 Q311
2026 Q2--
2026 Q1--
2025 Q41-
2025 Q3--

ZSTK Ownership FAQ

Who Owns ZeroStack?

ZeroStack shareholders are primarily institutional investors at 0.62%, followed by 63.59% insiders and 35.79% retail investors. The average institutional ownership in ZeroStack's industry, Asset Management Stocks, is 47.59%, which ZeroStack falls below.

Does Blackrock own ZeroStack?

BlackRock is not among the top 10 institutional shareholders of ZeroStack.

Who is ZeroStack’s biggest shareholder by percentage of total assets invested?

Sound income strategies is ZeroStack’s biggest shareholder by percentage of total assets invested, with 0% of its assets in 0 ZeroStack shares, valued at 0$.

Who is the top mutual fund holder of ZeroStack shares?

Fidelity Extended Market Index is the top mutual fund holder of ZeroStack shares, with 0.55% of its total shares outstanding invested in 13.34K ZeroStack shares.

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