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MYSE MYSEUMAI INC

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COM NEW (common), issuer CIK 1648960

16 managers (17 13F filers) reported a position in MYSE shares at 2026-03-31, 214,824 shares in all. 3 filers opened a position and 4 filers sold out during the quarter.

Managers
16
13F filers
17
New
3
Added
4
Reduced
3
Sold out
4
Shares held by filers
214,824

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, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, 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
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC121,673$191K<0.01%+85,34013F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding47,900$75.2KnewTimeline
XTX Topco Ltdin group XTX Topco Ltd17,181$27K<0.01%+3,68413F-HRTimelineGroup
COMMONWEALTH EQUITY SERVICES, LLC12,116$19K<0.01%013F-HRTimeline
FNY Investment Advisers, LLC8,500$13K0.01%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.3,805$5.97K<0.01%-1,47513F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,521$2.39K<0.01%-16013F-HRTimelineGroup
TOTH FINANCIAL ADVISORY CORP800$1.26K<0.01%013F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP500$815<0.01%+30913F-HRTimelineGroup
ASSETMARK, INCin group ASSETMARK, INC400$628<0.01%013F-HRTimelineGroup
IFP Advisors, Inc200$314<0.01%013F-HRTimeline
SBI Securities Co., Ltd.113$177<0.01%013F-HRTimeline
HARBOUR INVESTMENTS, INC.50$79<0.01%new13F-HRTimeline
UBS Group AGin group UBS Group AG13$20<0.01%-5,14813F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…12$19<0.01%new13F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA40$00%+1313F-HRTimelineGroupValue filed as zero, left out of ratios.