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/UTHR/capital-change-brief"
Use Arkolith's capital_change_brief for UTHR. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $3.2B | 5.4M | ▲+4.4% Added · +229K sh | Q1 2026 | |
| 2 | Avoro Capital Advisors LLC | $1.6B | 2.6M | ▲+0.9% Added · +24K sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.2B | 2.0M | ▲New +2.0M sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $1.2B | 2.0M | ▲New +2.0M sh | Q1 2026 | |
| 5 | STATE STREET CORP | $1.1B | 1.8M | ▲+0.1% Added · +2K sh | Q1 2026 | |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $1.1B | 1.8M | ▼−6.4% Reduced · −122K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $729.9M | 1.2M | ▲+3.3% Added · +40K sh | Q1 2026 | |
| 8 | JANUS HENDERSON GROUP PLC | $514.0M | 867K | ▲+8.9% Added · +71K sh | Q1 2026 | |
| 9 | AQR CAPITAL MANAGEMENT LLC | $486.4M | 826K | ▼−36% Reduced · −455K sh | Q1 2026 | |
| 10 | ASSETMARK, INC | $365.3M | 616K | ▼−3.0% Reduced · −19K sh | Q1 2026 | |
| 11 | NORGES BANK | $293.4M | 602K | ▲+27% Added · +127K sh | Q4 2025 | |
| 12 | FMR LLC | $313.3M | 528K | ▲+31% Added · +125K sh | Q1 2026 | |
| 13 | DIMENSIONAL FUND ADVISORS LP | $304.0M | 513K | ▼−2.9% Reduced · −15K sh | Q1 2026 | |
| 14 | DEERFIELD MANAGEMENT COMPANY, L.P. | $271.0M | 457K | ▲+7.3% Added · +31K sh | Q1 2026 | |
| 15 | NORTHERN TRUST CORP | $258.9M | 437K | ▲+4.3% Added · +18K sh | Q1 2026 | |
| 16 | BAILLIE GIFFORD & CO | $253.9M | 428K | ▲+33% Added · +105K sh | Q1 2026 | |
| 17 | MORGAN STANLEY | $242.7M | 409K | ▲+5.1% Added · +20K sh | Q1 2026 | |
| 18 | PRICE T ROWE ASSOCIATES INC /MD/ | $240.4M | 405K | ▲+15% Added · +53K sh | Q1 2026 | |
| 19 | CITADEL ADVISORS LLC | $213.9M | 361K | ▲+93% Added · +173K sh | Q1 2026 | |
| 20 | CAISSE DE DEPOT ET PLACEMENT DU QUEBEC | $203.8M | 344K | ▲+16% Added · +47K sh | Q1 2026 | |
| 21 | Bank of New York Mellon Corp | $195.2M | 329K | ▼−1.3% Reduced · −4K sh | Q1 2026 | |
| 22 | Swedbank AB | $194.0M | 327K | ▲+0.7% Added · +2K sh | Q1 2026 | |
| 23 | Pictet Asset Management Holding SA | $183.3M | 309K | ▲+0.8% Added · +2K sh | Q1 2026 | |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $178.2M | 300K | ▲+3.6% Added · +11K sh | Q1 2026 | |
| 25 | JPMORGAN CHASE & CO | $171.6M | 292K | ▲+11% Added · +29K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 16, 2026 | ROTHBLATT MARTINE A | Chairperson & CEO, Director | Option exercise (M) | 10K | $0 |
| Jul 16, 2026 | ROTHBLATT MARTINE A | Chairperson & CEO, Director | Sell (S) | 11 | $6K |
| Jul 16, 2026 | ROTHBLATT MARTINE A | Chairperson & CEO, Director | Sell (S) | 150 | $80K |
| Jul 16, 2026 | ROTHBLATT MARTINE A | Chairperson & CEO, Director | Sell (S) | 720 | $385K |
| Jul 16, 2026 | ROTHBLATT MARTINE A | Chairperson & CEO, Director | Sell (S) | 1K | $640K |
| Jul 16, 2026 | ROTHBLATT MARTINE A | Chairperson & CEO, Director | Sell (S) | 440 | $235K |
| Jul 16, 2026 | ROTHBLATT MARTINE A | Chairperson & CEO, Director | Sell (S) | 520 | $277K |
| Jul 16, 2026 | ROTHBLATT MARTINE A | Chairperson & CEO, Director | Sell (S) | 2K | $1.0M |
| Jul 16, 2026 | ROTHBLATT MARTINE A | Chairperson & CEO, Director | Sell (S) | 3K | $1.6M |
| Jul 16, 2026 | ROTHBLATT MARTINE A | Chairperson & CEO, Director | Sell (S) | 1K | $740K |
| Jul 16, 2026 | ROTHBLATT MARTINE A | Chairperson & CEO, Director | Sell (S) | 80 | $42K |
| Jul 16, 2026 | ROTHBLATT MARTINE A | Chairperson & CEO, Director | Option exercise (M) | 10K | $1.3M |
| Company | Co-held by | Combined value |
|---|---|---|
| META PLATFORMS INC-CLASS AMETA | 283 funds | $115.3B |
| MICROSOFT CORPMSFT | 282 funds | $258.4B |
| AMAZON.COM INCAMZN | 281 funds | $204.3B |
| ELI LILLY & COLLY | 281 funds | $73.8B |
| NVIDIA CORPNVDA | 280 funds | $384.8B |
| APPLE INCAAPL | 280 funds | $285.9B |
| BROADCOM INCAVGO | 280 funds | $142.2B |
| ALPHABET INC-CL AGOOGL | 278 funds | $170.1B |
| MASTERCARD INC - AMA | 274 funds | $49.6B |
| COSTCO WHOLESALE CORPCOST | 274 funds | $41.0B |
| VISA INC-CLASS A SHARESV | 272 funds | $56.6B |
| JPMORGAN CHASE & COJPM | 271 funds | $67.5B |
Ranked by how many of UTHR's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for UTHR. 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.