TS STR OUTCOME MAY ETF (MAYZ) Institutional Ownership Changes & 13F Activity

TS STR OUTCOME MAY ETF (MAYZ). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Truemark Investments, Llc, Old Mission Capital Llc, Blue Bell Private Wealth Management, Llc, Ae Wealth Management Llc, and Tounjian Advisory Partners, Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Old Mission Capital LlcBuy+1,342+7.4%19,367$699.71KQ2 2026Aug 14, 2026
Tounjian Advisory Partners, LlcBuy+1010$361.00Q2 2026Aug 07, 2026
Blue Bell Private Wealth Management, LlcBuy+113+11.5%1,095$39.56KQ2 2026Aug 06, 2026
Truemark Investments, LlcBuy+554,435+240.4%785,052$28.36MQ2 2026Jul 22, 2026
Ae Wealth Management LlcSell-59-100.0%0$0.00Q2 2026May 13, 2026
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Frequently asked questions about MAYZ activity

  • Which institutional owners are buying MAYZ?

    Institutional owners buying MAYZ include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MAYZ activity?

    "Buy" means an investor increased their reported position in MAYZ compared to the prior reporting period. This reflects growing exposure to TS STR OUTCOME MAY ETF (MAYZ) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MAYZ increasing?

    Institutional interest in MAYZ can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.