186 tracked 13F filers disclose a position in MTUS as of the latest SEC 13F filings, a combined $559.8M 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 | BlackRock, Inc. | $92.4M | 5.7M | ▼−16% Reduced · −1.1M sh | Q1 2026 | |
| 2 | DIMENSIONAL FUND ADVISORS LP | $41.6M | 2.5M | ▼−1.3% Reduced · −33K sh | Q1 2026 | |
| 3 | STATE STREET CORP | $45.1M | 2.4M | ▼−14% Reduced · −387K sh | Q2 2026 | |
| 4 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $30.1M | 1.8M | ▼−6.9% Reduced · −137K sh | Q1 2026 | |
| 5 | AMERICAN CENTURY COMPANIES INC | $27.1M | 1.7M | ▲+5.9% Added · +93K sh | Q1 2026 | |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $25.5M | 1.6M | →First observed position No prior filed position | Q1 2026 | |
| 7 | SYSTEMATIC FINANCIAL MANAGEMENT LP | $22.3M | 1.4M | ▼−2.0% Reduced · −28K sh | Q1 2026 | |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | $17.6M | 1.1M | →First observed position No prior filed position | Q1 2026 | |
| 9 | RENAISSANCE TECHNOLOGIES LLC | $16.7M | 1.0M | ▼−3.7% Reduced · −39K sh | Q1 2026 | |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $17.4M | 930K | ▲+5.8% Added · +51K sh | Q2 2026 | |
| 11 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $13.3M | 812K | ▼−8.0% Reduced · −70K sh | Q1 2026 | |
| 12 | Sixth Street Partners Management Company, L.P. | $12.6M | 675K | ▲New +675K sh | Q2 2026 | |
| 13 | AMERIPRISE FINANCIAL INC | $10.6M | 650K | ▲+0.5% Added · +3K sh | Q1 2026 | |
| 14 | DONALD SMITH & CO., INC. | $11.4M | 609K | ▼−43% Reduced · −463K sh | Q2 2026 | |
| 15 | OpenArc Corporate Advisory, LLC | $10.6M | 566K | ▲+3.7% Added · +20K sh | Q2 2026 | |
| 16 | TWO SIGMA INVESTMENTS, LP | $9.0M | 551K | ▲+314% Added · +418K sh | Q1 2026 | |
| 17 | MORGAN STANLEY | $7.2M | 440K | ▲+13% Added · +52K sh | Q1 2026 | |
| 18 | Azarias Capital Management, L.P. | $7.8M | 420K | ▼−23% Reduced · −124K sh | Q2 2026 | |
| 19 | NORTHERN TRUST CORP | $6.3M | 384K | ▲+2.8% Added · +11K sh | Q1 2026 | |
| 20 | EMERALD ADVISERS, LLC | $6.8M | 366K | ▼−2.6% Reduced · −10K sh | Q2 2026 | |
| 21 | KENNEDY CAPITAL MANAGEMENT LLC | $5.5M | 339K | ▲New +339K sh | Q1 2026 | |
| 22 | GOLDMAN SACHS GROUP INC | $5.4M | 330K | ▲+15% Added · +44K sh | Q1 2026 | |
| 23 | Russell Investments Group, Ltd. | $5.3M | 326K | ▲+38% Added · +90K sh | Q1 2026 | |
| 24 | JANE STREET GROUP, LLC | $5.2M | 316K | ▲New +316K sh | Q1 2026 | |
| 25 | SEI INVESTMENTS CO | $4.7M | 288K | ▲+32% Added · +70K 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, 9 funds opened a new position in MTUS and 23 added to an existing one, while 21 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 |
|---|---|---|
| JPMORGAN CHASE & COJPM | 86 funds | $44.7B |
| AMAZON.COM INCAMZN | 85 funds | $128.7B |
| NVIDIA CORPNVDA | 84 funds | $266.9B |
| MICROSOFT CORPMSFT | 84 funds | $178.9B |
| META PLATFORMS INC-CLASS AMETA | 84 funds | $76.8B |
| APPLE INCAAPL | 83 funds | $200.5B |
| ALPHABET INC-CL AGOOGL | 83 funds | $106.0B |
| VISA INC-CLASS A SHARESV | 83 funds | $41.9B |
| BROADCOM INCAVGO | 82 funds | $104.3B |
| BANK OF AMERICA CORPBAC | 82 funds | $23.1B |
| UNITEDHEALTH GROUP INCUNH | 82 funds | $19.6B |
| COSTCO WHOLESALE CORPCOST | 81 funds | $26.9B |
Ranked by how many of MTUS's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Feb 4, 2026 | WESTBROOKS KRISTOPHER R | President & COO | Sell (S) | 2K | $45K |
| Feb 4, 2026 | Williams Michael S | Chief Executive Officer, Director | Sell (S) | 14K | $292K |
| Feb 3, 2026 | WESTBROOKS KRISTOPHER R | President & COO | Sell (S) | 3K | $62K |
| Feb 3, 2026 | Williams Michael S | Chief Executive Officer, Director | Sell (S) | 19K | $400K |
| Jan 15, 2026 | WESTBROOKS KRISTOPHER R | President & COO | Sell (S) | 93 | $2K |
| Jan 15, 2026 | Williams Michael S | Chief Executive Officer, Director | Sell (S) | 603 | $13K |
| Jan 14, 2026 | WESTBROOKS KRISTOPHER R | President & COO | Sell (S) | 11K | $219K |
| Jan 9, 2026 | Williams Michael S | Chief Executive Officer, Director | Sell (S) | 5K | $92K |
| Jan 8, 2026 | Williams Michael S | Chief Executive Officer, Director | Sell (S) | 14K | $276K |
| Dec 18, 2025 | Williams Michael S | Chief Executive Officer, Director | Sell (S) | 6K | $107K |
| Dec 17, 2025 | Williams Michael S | Chief Executive Officer, Director | Sell (S) | 8K | $160K |
| Jul 23, 2025 | SYRVALIN KRISTINE C | EVP General Counsel | Sell (S) | 8K | $135K |
Connected entities for MTUS
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/MTUS/capital-change-brief"
Use Arkolith's capital_change_brief for MTUS. 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 MTUS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.