Myseum, Inc. (MYSE) Ownership
MYSE ownership summary
as of October 18, 2026- Institutions
- 3.8% of shares outstanding
- Insiders
- 5.67% of shares outstanding
- Shares outstanding
- 5.2M
- Float
- 4.9M shares available to trade
- Short interest
- 3.69% 181K shares short
- Days to cover
- 1.29 short interest down 6.5% vs prior month
- Institutions 3.84%
- Insiders 5.67%
- Other investors 90.49%
MYSE top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Jane Street Group LLC | 1.98% | 103K | $154,104 | +102,736 (0.0%) | June 30, 2026 |
| 2 | Geode Capital Management, LLC | 0.69% | 36K | $53,636 | −85,916 (−70.6%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 0.63% | 33K | $49,359 | — | June 30, 2026 |
| 4 | Vanguard Fiduciary Trust Co | 0.29% | 15K | $22,491 | — | June 30, 2026 |
| 5 | Advisor Group Holdings, Inc. | 0.07% | 3,807 | $5,710 | +2 (+0.1%) | June 30, 2026 |
| 6 | UBS Group AG | 0.07% | 3,708 | $5,562 | +3,695 (+28,423.1%) | June 30, 2026 |
| 7 | Tower Research Capital LLC | 0.02% | 1,200 | $1,800 | −321 (−21.1%) | June 30, 2026 |
| 8 | Genworth Financial Wealth Mgmt Inc | 0.01% | 400 | $600 | — | June 30, 2026 |
| 9 | IFP Advisors, LLC | <0.01% | 200 | $300 | — | June 30, 2026 |
| 10 | SBI Securities Co Ltd | <0.01% | 71 | $106 | −42 (−37.2%) | June 30, 2026 |
| 11 | HARBOUR INVESTMENTS, INC. | <0.01% | 50 | $75 | — | June 30, 2026 |
| 12 | Royal Bank of Canada | <0.01% | 40 | $60 | +13 (+48.1%) | March 31, 2026 |
| 13 | Northwestern Mutual Wealth Management Co | 0.00% | 1 | $2 | +1 (0.0%) | June 30, 2026 |
| 14 | Commonwealth Equity Services, LLC | 0.00% | — | — | −12,116 (−100.0%) | June 30, 2026 |
| 15 | Citigroup Inc | 0.00% | — | — | −705 (−100.0%) | March 31, 2026 |
| 16 | Citadel Advisors Llc | 0.00% | — | — | −41,283 (−100.0%) | March 31, 2026 |
| 17 | Toth Financial Advisory Corp | 0.00% | — | — | −800 (−100.0%) | June 30, 2026 |
| 18 | JONES FINANCIAL COMPANIES LLLP | 0.00% | — | — | −500 (−100.0%) | June 30, 2026 |
| 19 | Virtu Financial LLC | 0.00% | — | — | −12,590 (−100.0%) | March 31, 2026 |
| 20 | XTX Topco Ltd | 0.00% | — | — | −17,181 (−100.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 5 holders added 106K shares and 10 cut 171K.
MYSE top mutual fund and ETF holders
5 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Extended Market Index | 0.53% | 28K | $41,631 | +6,260 (+29.1%) | August 31, 2026 |
| 2 | Fidelity Total Market Index | 0.11% | 5,809 | $8,714 | — | August 31, 2026 |
| 3 | Fidelity Series Total Market Index | 0.11% | 5,765 | $8,648 | — | August 31, 2026 |
| 4 | Dimensional US Sustainability Core 1 ETF | 0.06% | 3,061 | $4,592 | — | September 30, 2026 |
| 5 | Dimensional US Core Equity 1 ETF | 0.02% | 868 | $1,302 | — | September 24, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
MYSE insider transactions
latest 4| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-09-19 | Darin M Myman | Buy | $2.16 | 4,000 | $8,640 |
| 2025-09-02 | Darin M Myman | Buy | $1.99 | 3,000 | $5,970 |
| 2025-09-02 | Darin M Myman | Buy | $1.99 | 3,000 | $5,970 |
| 2025-08-28 | Darin M Myman | Buy | $2.20 | 2,000 | $4,400 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
MYSE shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns MYSE
Institutional investors own 3.8% of Myseum's shares and insiders 5.67%. The largest holder is Jane Street Group LLC with 1.98% of the shares (103K), as of June 30, 2026. Among the top 20 institutions, 5 added shares and 10 reduced their stake in the latest filings. Short interest is 3.69% of the float, or 1.29 days of average trading volume. The share count rose 576.6% since 2015.
Related: MYSE key metrics. See the MYSE stock overview for the latest quote and news.
MYSE ownership FAQ
Who owns the most Myseum stock?
The largest shareholders of Myseum are Jane Street Group LLC (1.98%), Geode Capital Management, LLC (0.69%), Vanguard Capital Management, LLC (0.63%), Vanguard Fiduciary Trust Co (0.29%), Advisor Group Holdings, Inc. (0.07%).
What percentage of Myseum is owned by institutions?
Institutions hold 3.8% of Myseum's shares outstanding; insiders hold 5.67%.
Which funds own Myseum?
The largest fund holders of Myseum are Fidelity Extended Market Index (0.53%), Fidelity Total Market Index (0.11%), Fidelity Series Total Market Index (0.11%), Dimensional US Sustainability Core 1 ETF (0.06%), Dimensional US Core Equity 1 ETF (0.02%).
What is Myseum's short interest?
181K shares of Myseum were sold short, 3.69% of the float; at the average daily volume it would take 1.29 days to cover.
Are insiders buying or selling Myseum?
Of the latest 4 reported insider transactions in Myseum (since August 28, 2025), 4 were purchases and 0 were sales.
How many shares of Myseum are outstanding?
Myseum has 5.2M shares outstanding, of which 4.9M are in the public float.