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Ownership — ZSTK
Institutional Holdings
Insider Transactions
US Institutional Ownership
2.5%
Institution
Shares
Value
Ownership %
Change
Filing Date
Vanguard Capital Management LLC
25.4K
--
1.05%
--
2026-06-30
Geode Capital Management, LLC
21.0K
--
0.86%
-4.3K
2026-06-30
Vanguard Fiduciary Trust Co
12.6K
--
0.52%
--
2026-06-30
Tower Research Capital LLC (TRC)
1.7K
--
0.07%
--
2026-06-30
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