MYSE · Myseum.AI, Inc. · Shareholders & Ownership
Substantial doubt about the company's ability to continue as a going concern.
“These conditions raise substantial doubt about the Company's ability to continue as a going concern within one year from the date these consolidated financial statements are issued.”View the 10-Q filed Aug 14, 2026
Every disclosed holder of MYSE in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns MYSE
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 195,830 | 3.77% |
| Insiders (Forms 3, 4, 5) | 194,539 | 3.74% |
| 13D/G-only blocks | 0 | 0.00% |
| Remaining | 4,806,061 | 92.49% |
| Registered funds (N-PORT, not summed) | 80,605 | 1.55% |
Shares outstanding: 5,196,430, the issuer's latest cover-page count restated onto today's split basis.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of MYSE
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
|
194,539 | ||
| 2 |
JANE STREET GROUP, LLC
13F
CIK 1595888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
102,736 | ||
| 3 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
35,757 | ||
| 4 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
32,906 | ||
| 5 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
32,906 | ||
| 6 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
32,076 | ||
| 7 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
14,994 | ||
| 8 |
Fidelity Total Market Index Fund
Fund
S000006026 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
5,809 | ||
| 9 |
Fidelity Series Total Market Index Fund
Fund
S000065248 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
5,765 | ||
| 10 |
OSAIC HOLDINGS, INC.
13F
CIK 1677044 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,807 | ||
| 11 |
|
3,708 | ||
| 12 |
Dimensional US Sustainability Core 1 ETF
Fund
S000076639 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
3,061 | ||
| 13 |
Tower Research Capital LLC (TRC)
13F
CIK 1533421 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,200 | ||
| 14 |
Fidelity Nasdaq Composite Index Fund
Fund
S000055366 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
988 | ||
| 15 |
ASSETMARK, INC
13F
CIK 1344551 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
400 | ||
| 16 |
IFP Advisors, Inc
13F
CIK 1641866 · Registered investment adviser · Sep 30, 2026
|
200 | ||
| 17 |
SBI Securities Co., Ltd.
13F
CIK 1851815 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
71 | ||
| 18 |
HARBOUR INVESTMENTS, INC.
13F
CIK 810121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
50 | ||
| 19 |
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO
13F
CIK 1141802 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1 |
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.