ZerostackZSTK

13F holders, Q2 2026 (June 30)
11holders +1
3new positions
2sold out
$3.00avg. 13F price*

At the end of Q2 2026, 11 institutions reported holding Zerostack Corp. (ZSTK) in their 13F filings, up 1 from Q1 2026. 3 opened new positions and 2 sold out. The largest holders were Vanguard Capital Management LLC ($76K), Geode Capital Management, LLC ($63K) and Vanguard Fiduciary Trust Co. ($38K).

Company
Zerostack Corp.
CUSIP
98956L101
Latest filing quarter
Q2 2026

History

Number of 13F holders

051015 Q1 2026: 10Q1 2026Q2 2026: 11Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions3$5K
Exits2$147

All 13F filers, Q1 2026 → Q2 2026: 1,734 shares bought and 4,743 shares sold, net −3,009 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 11 holders

Vanguard Capital Management LLC 0.00% No change 25,440 $76K
Geode Capital Management, LLC 0.00% Reduce -17.1% 20,994 $63K
Vanguard Fiduciary Trust Co. 0.00% No change 12,648 $38K
Tower Research Capital LLC (TRC) 0.00% New 1,730 $5K
UBS Group AG 0.00% Reduce -33.9% 440 $1K
Osaic Holdings, Inc. 0.00% No change 12 $36
Morgan Stanley 0.00% Reduce -96.0% 7 $21
Barclays PLC 0.00% New 3 $9
Citigroup Inc. 0.00% New 1 $3
Key Financial Inc 0.00% No change 1 $3
Royal Bank of Canada 0.00% No change 12 $0

"% of holder's portfolio" is ZSTK's weight in each manager's 13F, not the share of Zerostack Corp. the manager owns.