The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query MDST owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/MDST"
Use Arkolith to show who owns MDST, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | WESTWOOD HOLDINGS GROUP INC | $45.4M | 1.6M | ▲+0.6% Added · +10K sh | Q1 2026 | |
| 2 | LPL Financial LLC | $31.5M | 1.1M | ▲+7.8% Added · +79K sh | Q1 2026 | |
| 3 | Rockefeller Capital Management L.P. | $5.4M | 188K | ▲+100% Added · +94K sh | Q1 2026 | |
| 4 | STIFEL FINANCIAL CORP | $3.9M | 138K | ▲+20% Added · +23K sh | Q1 2026 | |
| 5 | Chicago Partners Investment Group LLC | $2.7M | 98K | ▲New +98K sh | Q1 2026 | |
| 6 | MORGAN STANLEY | $2.5M | 88K | ▲New +88K sh | Q1 2026 | |
| 7 | ROYAL BANK OF CANADA | $2.5M | 88K | ▲+7.2% Added · +6K sh | Q1 2026 | |
| 8 | COMMONWEALTH EQUITY SERVICES, LLC | $1.9M | 66K | ▲+363% Added · +51K sh | Q1 2026 | |
| 9 | Wealthcare Advisory Partners LLC | $870K | 30K | ▲+32% Added · +7K sh | Q1 2026 | |
| 10 | OSAIC HOLDINGS, INC. | $665K | 23K | ▼−6.8% Reduced · −2K sh | Q1 2026 | |
| 11 | Steward Partners Investment Advisory, LLC | $587K | 21K | ▼−3.4% Reduced · −717 sh | Q1 2026 | |
| 12 | OPPENHEIMER & CO INC | $562K | 20K | ▼−5.7% Reduced · −1K sh | Q1 2026 | |
| 13 | Avidian Wealth Enterprises, LLC | $347K | 12K | ▲+59% Added · +5K sh | Q1 2026 | |
| 14 | ENVESTNET ASSET MANAGEMENT INC | $284K | 10K | ▲New +10K sh | Q1 2026 | |
| 15 | Parallel Advisors, LLC | $160K | 6K | —Held | Q1 2026 | |
| 16 | UBS Group AG | $22K | 757 | ▲757× Added · +756 sh | Q1 2026 | |
| 17 | AE Wealth Management LLC | $5K | 159 | ▲New +159 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.
No Form 4 insider transactions on file yet.
| Class | 13F holders | Value held |
|---|---|---|
| MDSTthis pageWESTWOOD SALIENT | 17 funds | $99.4M |
| WEEIWESTWOOD SALIENT | 9 funds | $18.3M |
| 90386K639Q3 ALL SEASN ACT | 8 funds | $3.6M |
| QTACQ3 ALL SEASON | 7 funds | $23.6M |
| YLDWWESTWOOD ENHANCE | 2 funds | $17.5M |
| 90386K712OPEN END TAXABLE LOAD FUND | 1 funds | $4K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
| Company | Co-held by | Combined value |
|---|---|---|
| APPLE INCAAPL | 7 funds | $3.0B |
| MICROSOFT CORPMSFT | 7 funds | $2.8B |
| NVIDIA CORPNVDA | 7 funds | $2.8B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 7 funds | $2.5B |
| AMAZON.COM INCAMZN | 7 funds | $2.1B |
| ALPHABET INC-CL AGOOGL | 7 funds | $2.1B |
| ISHARES CORE S&P 500 ETFIVV | 7 funds | $1.8B |
| VANGUARD S&P 500 ETFVOO | 7 funds | $1.5B |
| BROADCOM INCAVGO | 7 funds | $1.4B |
| JPMORGAN CHASE & COJPM | 7 funds | $1.3B |
| META PLATFORMS INC-CLASS AMETA | 7 funds | $1.3B |
| ALPHABET INC-CL CGOOG | 7 funds | $1.1B |
Ranked by how many of MDST's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MDST. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.