Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
825 institutional managers reported holding UTHR for the quarter ended Mar 31, 2026. Together they hold about 87% of shares outstanding; the top 10 hold 46%. 106 opened new positions; 97 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 5.40M | 11.44% | $3.20B | added +4.4% | ≤2013 |
| Vanguard Group | 4.30M | 9.10% | $2.55B | added +2.7% | ≤2013 |
| Avoro Capital Advisors LLC (focused) | 2.63M | 5.57% | $1.56B | added +0.9% | 2020 Q4 |
| Wellington Management | 2.26M | 4.80% | $1.34B | trimmed -7.3% | 2020 Q4 |
| State Street | 1.84M | 3.91% | $1.09B | unchanged | ≤2013 |
| Renaissance Technologies | 1.79M | 3.79% | $1.06B | trimmed -6.4% | ≤2013 |
| Geode Capital | 1.23M | 2.61% | $730.9M | added +3.3% | ≤2013 |
| Janus Henderson | 866.9k | 1.84% | $513.9M | added +8.9% | 2015 Q2 |
| AQR Capital | 826.2k | 1.75% | $489.8M | trimmed -35.5% | ≤2013 |
| Assetmark, INC | 616.0k | 1.30% | $365.2M | trimmed -3% | 2015 Q4 |
| Invesco | 608.4k | 1.29% | $360.6M | unchanged | ≤2013 |
| FMR (Fidelity) | 528.3k | 1.12% | $313.2M | added +30.8% | ≤2013 |
| Dimensional Fund Advisors | 512.7k | 1.09% | $303.9M | trimmed -2.9% | ≤2013 |
| Deerfield Management Company, L.p. | 457.0k | 0.97% | $270.9M | added +7.3% | 2025 Q1 |
| UBS | 444.0k | 0.94% | $263.2M | added +3.5% | ≤2013 |
| Northern Trust | 436.6k | 0.93% | $258.8M | added +4.3% | ≤2013 |
| Baillie Gifford | 428.1k | 0.91% | $253.8M | added +32.5% | 2025 Q4 |
| Morgan Stanley | 409.3k | 0.87% | $242.6M | added +5.1% | ≤2013 |
| T. Rowe Price | 405.4k | 0.86% | $240.3M | added +15.2% | ≤2013 |
| LSV Asset Management | 398.7k | 0.84% | $236.3M | trimmed -2.3% | ≤2013 |
| Citadel Advisors | 360.6k | 0.76% | $213.8M | added +92.7% | 2024 Q4 |
| Caisse de depot et placement du Quebec | 343.7k | 0.73% | $203.7M | added +16% | 2023 Q1 |
| BNY Mellon | 329.1k | 0.70% | $195.1M | trimmed -1.3% | ≤2013 |
| Swedbank Robur | 327.1k | 0.69% | $193.9M | added +0.7% | 2021 Q1 |
| Pictet Asset Management Holding SA | 309.2k | 0.66% | $183.3M | added +0.8% | ≤2013 |
| Charles Schwab Investment Management | 300.5k | 0.64% | $178.1M | added +3.6% | ≤2013 |
| Acadian Asset Management | 300.2k | 0.64% | $178.0M | added +49.7% | ≤2013 |
| Fuller & Thaler Asset Management, INC. | 280.4k | 0.59% | $166.2M | trimmed -3.5% | 2020 Q4 |
| Franklin Resources | 278.0k | 0.59% | $164.8M | added +53.5% | 2020 Q3 |
| First Trust Advisors LP | 270.6k | 0.57% | $160.4M | added +23.5% | ≤2013 |
| Eversept Partners, LP | 264.3k | 0.56% | $156.7M | added +4.6% | 2020 Q2 |
| Frontier Capital Management CO LLC | 252.7k | 0.54% | $149.8M | added +39.5% | 2020 Q1 |
| Lord, Abbett & CO. LLC | 250.3k | 0.53% | $148.4M | trimmed -3% | 2024 Q2 |
| Pacer Advisors, INC. | 243.5k | 0.52% | $144.4M | added +0.7% | 2019 Q3 |
| Citigroup INC | 235.6k | 0.50% | $139.7M | added +27.8% | ≤2013 |
| AllianceBernstein | 220.6k | 0.47% | $130.8M | added +6.8% | ≤2013 |
| Bank OF America CORP /DE/ | 199.4k | 0.42% | $118.2M | trimmed -2.8% | ≤2013 |
| Deutsche Bank AG\ | 198.8k | 0.42% | $117.8M | added +59.7% | ≤2013 |
| Nuveen | 190.7k | 0.40% | $113.0M | trimmed -24.3% | ≤2013 |
| Soleus Capital Management, L.p. | 187.2k | 0.40% | $111.0M | added +212% | 2021 Q3 |
| Legal & General Group PLC | 186.8k | 0.40% | $110.7M | added +7.6% | 2015 Q1 |
| Fifth Third Bancorp | 165.0k | 0.35% | $97.8M | added +35842.9% | 2020 Q3 |
| Sofinnova Investments, INC. | 160.1k | 0.34% | $94.9M | added +1.5% | 2025 Q2 |
| Millennium Management | 153.4k | 0.33% | $90.9M | added +139.4% | 2017 Q2 |
| Point72 | 149.3k | 0.32% | $88.5M | trimmed -19.8% | 2025 Q3 |
| Amundi | 147.6k | 0.31% | $87.5M | trimmed -9.6% | 2021 Q1 |
| Allspring Global Investments Holdings, LLC | 146.5k | 0.31% | $86.9M | added +39.8% | 2021 Q4 |
| BNP Paribas Financial Markets | 134.7k | 0.28% | $79.9M | added +26.3% | ≤2013 |
| Robeco Institutional Asset Management B.v. | 127.9k | 0.27% | $75.8M | added +12.3% | 2015 Q2 |
| Qube Research & Technologies LTD | 123.4k | 0.26% | $73.2M | added +25.6% | 2020 Q2 |
Largest 50 of 825 shown; the full ranked, searchable register is at boothcheck.com/holders/UTHR. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.