15 tracked 13F filers disclose a position in MYSE as of the latest SEC 13F filings, a combined $323K in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | GEODE CAPITAL MANAGEMENT, LLC | $191K | 122K | ▲+235% Added · +85K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $52K | 33K | →First observed position No prior filed position | Q1 2026 | |
| 3 | XTX Topco Ltd | $27K | 17K | ▲+27% Added · +4K sh | Q1 2026 | |
| 4 | VANGUARD FIDUCIARY TRUST CO | $24K | 15K | →First observed position No prior filed position | Q1 2026 | |
| 5 | COMMONWEALTH EQUITY SERVICES, LLC | $19K | 12K | —Held | Q1 2026 | |
| 6 | OSAIC HOLDINGS, INC. | $6K | 4K | ▼−28% Reduced · −1K sh | Q1 2026 | |
| 7 | Tower Research Capital LLC (TRC) | $2K | 2K | ▼−9.5% Reduced · −160 sh | Q1 2026 | |
| 8 | JONES FINANCIAL COMPANIES LLLP | $815 | 500 | ▲+162% Added · +309 sh | Q1 2026 | |
| 9 | ASSETMARK, INC | $628 | 400 | —Held | Q1 2026 | |
| 10 | IFP Advisors, Inc | $504 | 200 | —Held | Q2 2026 | |
| 11 | SBI Securities Co., Ltd. | $179 | 71 | ▼−37% Reduced · −42 sh | Q2 2026 | |
| 12 | HARBOUR INVESTMENTS, INC. | $79 | 50 | ▲New +50 sh | Q1 2026 | |
| 13 | ROYAL BANK OF CANADA | $0 | 40 | ▲+48% Added · +13 sh | Q1 2026 | |
| 14 | UBS Group AG | $20 | 13 | ▼−100% Reduced · −5K sh | Q1 2026 | |
| 15 | Russell Investments Group, Ltd. | $19 | 12 | ▲New +12 sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 2 funds opened a new position in MYSE and 1 added to an existing one, while 2 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 4 funds | $4.8B |
| ISHARES CORE S&P 500 ETFIVV | 4 funds | $3.1B |
| APPLE INCAAPL | 4 funds | $2.3B |
| AMAZON.COM INCAMZN | 4 funds | $2.2B |
| MICROSOFT CORPMSFT | 4 funds | $1.9B |
| MICRON TECHNOLOGY INCMU | 4 funds | $1.7B |
| ALPHABET INC-CL AGOOGL | 4 funds | $1.7B |
| META PLATFORMS INC-CLASS AMETA | 4 funds | $1.6B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 4 funds | $1.6B |
| BROADCOM INCAVGO | 4 funds | $1.6B |
| SS SPDR DOW JONES INDUS AVGDIA | 4 funds | $1.6B |
| TESLA INCTSLA | 4 funds | $1.0B |
Ranked by how many of MYSE's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Sep 19, 2025 | Myman Darin M | Chief Executive Officer, Director | Buy (P) | 3K | $6K |
| Sep 19, 2025 | Myman Darin M | Chief Executive Officer, Director | Buy (P) | 1K | $2K |
| Sep 19, 2025 | Myman Darin M | Chief Executive Officer, Director | Buy (P) | 300 | $645 |
| Sep 3, 2025 | Myman Darin M | Chief Executive Officer, Director | Buy (P) | 400 | $776 |
| Sep 3, 2025 | Myman Darin M | Chief Executive Officer, Director | Buy (P) | 3K | $5K |
| Sep 2, 2025 | Myman Darin M | Chief Executive Officer, Director | Buy (P) | 3K | $6K |
| Aug 28, 2025 | Myman Darin M | Chief Executive Officer, Director | Buy (P) | 500 | $1K |
| Aug 28, 2025 | Myman Darin M | Chief Executive Officer, Director | Buy (P) | 600 | $1K |
| Aug 28, 2025 | Myman Darin M | Chief Executive Officer, Director | Buy (P) | 400 | $800 |
| Aug 28, 2025 | Myman Darin M | Chief Executive Officer, Director | Buy (P) | 500 | $1K |
| Aug 18, 2025 | Myman Darin M | Chief Executive Officer, Director | Buy (P) | 3K | $5K |
| Aug 18, 2025 | Myman Darin M | Chief Executive Officer, Director | Buy (P) | 616 | $1K |
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/MYSE/capital-change-brief"
Use Arkolith's capital_change_brief for MYSE. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MYSE. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.