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MYSE MYSEUMAI INC

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COM NEW (common), issuer CIK 1648960

17 managers (17 13F filers) reported a position in MYSE shares at 2025-09-30, 215,243 shares in all. 4 filers opened a position and 2 filers sold out during the quarter.

Managers
17
13F filers
17
New
4
Added
2
Reduced
6
Sold out
2
Shares held by filers
215,243

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
VANGUARD GROUP INCin group VANGUARD GROUP INC47,900$108K<0.01%013F-HRTimelineGroup
DRW Securities, LLC45,383$103K0.01%new13F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC41,536$93.9K<0.01%013F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP31,679$71.6K<0.01%+12,82213F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd14,979$33.9K<0.01%-87013F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC13,700$31K<0.01%new13F-HRTimeline
Virtu Financial LLCin group Virtu Financial LLC10,309$23K<0.01%new13F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.5,505$11.6K<0.01%-22513F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…2,339$5.29K<0.01%+60213F-HRTimelineGroup
TOTH FINANCIAL ADVISORY CORP800$1.81K<0.01%013F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC400$904<0.01%013F-HRTimelineGroup
SBI Securities Co., Ltd.393$888<0.01%-213F-HRTimeline
IFP Advisors, Inc200$452<0.01%013F-HR/ATimeline
UBS Group AGin group UBS Group AG74$167<0.01%-28,46313F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/35$79<0.01%-313F-HR/ATimelineGroup
FMR LLCin group FMR LLC10$23<0.01%new13F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC1$2<0.01%-19813F-HRTimelineGroup