UNITED THERAPEUTICS CORP DEL UTHR
COM · Common Stock · CUSIP 91307C102 · ISIN US91307C1027
Biotech company based in Silver Spring, Maryland, United States
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersSilver Spring, MD
- Founded1996
- Websiteunither.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($61.6m this quarter). Holder counts are more reliable. Shares outstanding: 42.4m as of 2026-04-29, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $592.07. Options: 24 managers hold calls ($1.2bn notional), 26 hold puts ($1.2bn).
Trends to Q1 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 460 |
| Q4 2022 | 512 |
| Q1 2023 | 508 |
| Q2 2023 | 476 |
| Q3 2023 | 510 |
| Q4 2023 | 536 |
| Q1 2024 | 524 |
| Q2 2024 | 568 |
| Q3 2024 | 627 |
| Q4 2024 | 674 |
| Q1 2025 | 673 |
| Q2 2025 | 672 |
| Q3 2025 | 708 |
| Q4 2025 | 838 |
| Q1 2026 | 854 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2024 | 295 | 249 |
| Q3 2024 | 302 | 274 |
| Q4 2024 | 340 | 255 |
| Q1 2025 | 333 | 310 |
| Q2 2025 | 350 | 291 |
| Q3 2025 | 319 | 350 |
| Q4 2025 | 435 | 312 |
| Q1 2026 | 398 | 407 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2025 | $133.5m | $104.6m | 0.78 |
| Q3 2025 | $623.8m | $1.3bn | 2.03 |
| Q4 2025 | $390.2m | $351.8m | 0.90 |
| Q1 2026 | $1.2bn | $1.2bn | 0.96 |
Biggest buyers
| BlackRock, Inc. | Added | +228.9k |
| CITADEL ADVISORS LLC | Added | +173.5k |
| FIFTH THIRD BANCORP | Added | +164.5k |
| Soleus Capital Management, L.P. | Added | +127.2k |
| FMR LLC | Added | +124.5k |
| BAILLIE GIFFORD & CO | Added | +105.1k |
| ACADIAN ASSET MANAGEMENT LLC | Added | +99.7k |
| FRANKLIN RESOURCES INC | Added | +96.9k |
| MILLENNIUM MANAGEMENT LLC | Added | +89.3k |
| BOWEN HANES & CO INC | New | +85.0k |
Biggest sellers
| AQR CAPITAL MANAGEMENT LLC | Reduced | -455.5k |
| FULLER & THALER ASSET MANAGEMENT, INC. | Reduced | -300.8k |
| JANE STREET GROUP, LLC | Reduced | -214.1k |
| D. E. Shaw & Co., Inc. | Reduced | -207.9k |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | -177.2k |
| HSBC HOLDINGS PLC | Reduced | -168.0k |
| VICTORY CAPITAL MANAGEMENT INC | Reduced | -167.8k |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | -122.2k |
| ORBIMED ADVISORS LLC | Sold out | -105.2k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Sold out | -69.4k |
Biggest calls
| Caption Management, LLC | Added | $395.6m667.2k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $211.6m356.8k shares |
| CITADEL ADVISORS LLC | Added | $102.8m173.4k shares |
| JANE STREET GROUP, LLC | Added | $86.8m146.3k shares |
| JPMORGAN CHASE & CO | Added | $85.5m145.3k shares |
| IMC-Chicago, LLC | Added | $73.0m123.1k shares |
| BOOTHBAY FUND MANAGEMENT, LLC | New | $44.8m75.6k shares |
| MILLENNIUM MANAGEMENT LLC | New | $43.0m72.5k shares |
| GROUP ONE TRADING LLC | Added | $28.3m47.7k shares |
| DIADEMA PARTNERS LP | New | $23.8m40.2k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $282.3m476.0k shares |
| Caption Management, LLC | Added | $243.1m410.0k shares |
| HRT FINANCIAL LP | New | $129.7m218.7k shares |
| CITADEL ADVISORS LLC | Added | $97.1m163.8k shares |
| IMC-Chicago, LLC | Added | $58.0m97.8k shares |
| Sofinnova Investments, Inc. | New | $47.6m80.3k shares |
| JPMORGAN CHASE & CO | Added | $47.4m80.5k shares |
| MILLENNIUM MANAGEMENT LLC | New | $46.8m78.9k shares |
| NOMURA HOLDINGS INC | Added | $38.4m64.8k shares |
| JANE STREET GROUP, LLC | Reduced | $32.2m54.3k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| ROTHBLATT MARTINE A 13G · exempt (held before listing) filed 2026-08-14 | 5.3% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.2% |
Fell to 5% or below in the last year: WELLINGTON MANAGEMENT GROUP LLP (3.2%, 2026-08-13), VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q1 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q2 2024 | 0 | — | 9 | $101.4m | $79.0m |
| Q3 2024 | 0 | — | 6 | $77.2m | $65.3m |
| Q4 2024 | 0 | — | 8 | $81.6m | $61.4m |
| Q1 2025 | 0 | — | 4 | $42.3m | $35.9m |
| Q2 2025 | 0 | — | 6 | $35.2m | $33.4m |
| Q3 2025 | 0 | — | 7 | $98.3m | $91.6m |
| Q4 2025 | 0 | — | 9 | $340.7m | $336.6m |
| Q1 2026 | 0 | — | 9 | $240.5m | $236.1m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-03-31 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $5.6m9.5k shares |
| 2026-03-30 | EDGEMOND JAMES CFO AND TREASURER | Sold plan | $5.9m10.0k shares |
| 2026-03-30 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $5.6m9.5k shares |
| 2026-03-30 | CAUSEY CHRISTOPHER Director | Sold plan | $786.0k1.3k shares |
| 2026-03-27 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $5.0m9.5k shares |
| 2026-03-26 | EDGEMOND JAMES CFO AND TREASURER | Sold plan | $5.4m10.0k shares |
| 2026-03-26 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $5.1m9.5k shares |
| 2026-03-26 | Thompson Tommy G Director | Sold | $1.1m2.0k shares |
| 2026-03-25 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $5.2m9.5k shares |
| 2026-03-24 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $5.0m9.5k shares |
| 2026-03-23 | EDGEMOND JAMES CFO AND TREASURER | Sold plan | $5.3m10.0k shares |
| 2026-03-23 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $5.0m9.5k shares |
| 2026-03-23 | Olian Judy D. Director | Sold plan | $106.0k200 shares |
| 2026-03-20 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $5.0m9.5k shares |
| 2026-03-19 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $5.0m9.5k shares |
| 2026-03-19 | MAHON PAUL A EVP & GENERAL COUNSEL | Sold plan | $4.4m8.3k shares |
| 2026-03-18 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $5.0m9.5k shares |
| 2026-03-17 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $5.1m9.5k shares |
| 2026-03-17 | MALCOLM JAN Director | Sold plan | $24.0k45 shares |
| 2026-03-16 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $5.1m9.5k shares |
| 2026-03-16 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $276.1k516 shares |
| 2026-03-16 | Olian Judy D. Director | Sold plan | $107.1k200 shares |
| 2026-03-13 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $5.1m9.5k shares |
| 2026-03-13 | ROTHBLATT MARTINE A Chairperson & CEO, director · by Trust | Sold plan | $40.3k75 shares |
| 2026-03-12 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $4.8m9.0k shares |
| 2026-03-11 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $5.1m9.5k shares |
| 2026-03-10 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $5.1m9.5k shares |
| 2026-03-09 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $4.9m9.5k shares |
| 2026-03-06 | ROTHBLATT MARTINE A Chairperson & CEO, director | Sold plan | $4.5m9.5k shares |
| 2026-03-06 | Olian Judy D. Director | Sold plan | $102.0k200 shares |
The latest 30 of 61 trades.
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q1 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.06% of their portfolio | 5.4m $3.2bn | Added +228.9k |
| Avoro Capital Advisors LLC 15.36% of their portfolio | 2.6m $1.6bn | Added +23.9k |
| WELLINGTON MANAGEMENT GROUP LLP 0.25% of their portfolio | 2.3m $1.3bn | Reduced -177.2k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.06% of their portfolio | 2.0m $1.2bn | First filing |
| VANGUARD CAPITAL MANAGEMENT LLC 0.03% of their portfolio | 2.0m $1.2bn | First filing |
| STATE STREET CORP 0.04% of their portfolio | 1.8m $1.1bn | Added +1.6k |
| RENAISSANCE TECHNOLOGIES LLC 1.66% of their portfolio | 1.8m $1.1bn | Reduced -122.2k |
| GEODE CAPITAL MANAGEMENT, LLC 0.05% of their portfolio | 1.2m $729.9m | Added +40.0k |
| JANUS HENDERSON GROUP PLC 0.25% of their portfolio | 866.9k $514.0m | Added +70.8k |
| AQR CAPITAL MANAGEMENT LLC 0.22% of their portfolio | 826.2k $486.4m | Reduced -455.5k |
| ASSETMARK, INC 0.74% of their portfolio | 616.0k $365.3m | Reduced -18.9k |
| Invesco Ltd. 0.04% of their portfolio | 608.4k $360.7m | Reduced -392 |
| FMR LLC 0.02% of their portfolio | 528.3k $313.3m | Added +124.5k |
| DIMENSIONAL FUND ADVISORS LP 0.06% of their portfolio | 512.7k $304.0m | Reduced -15.5k |
| DEERFIELD MANAGEMENT COMPANY, L.P. 3.20% of their portfolio | 457.0k $271.0m | Added +31.0k |
| NORTHERN TRUST CORP 0.03% of their portfolio | 436.6k $258.9m | Added +18.1k |
| BAILLIE GIFFORD & CO 0.26% of their portfolio | 428.1k $253.9m | Added +105.1k |
| MORGAN STANLEY 0.01% of their portfolio | 409.3k $242.7m | Added +20.0k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.03% of their portfolio | 405.4k $240.4m | Added +53.4k |
| LSV ASSET MANAGEMENT 0.51% of their portfolio | 398.7k $236.4m | Reduced -9.4k |
| CITADEL ADVISORS LLC 0.15% of their portfolio | 360.6k $213.9m | Added +173.5k |
| Caisse de depot et placement du Quebec 0.33% of their portfolio | 343.7k $203.8m | Added +47.3k |
| Bank of New York Mellon Corp 0.04% of their portfolio | 329.1k $195.2m | Reduced -4.5k |
| Swedbank AB 0.20% of their portfolio | 327.1k $194.0m | Added +2.4k |
| Pictet Asset Management Holding SA 0.19% of their portfolio | 309.2k $183.3m | Added +2.4k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.03% of their portfolio | 300.5k $178.2m | Added +10.6k |
| ACADIAN ASSET MANAGEMENT LLC 0.25% of their portfolio | 300.2k $178.0m | Added +99.7k |
| JPMORGAN CHASE & CO 0.01% of their portfolio | 291.6k $171.6m | Added +29.4k |
| FULLER & THALER ASSET MANAGEMENT, INC. 0.56% of their portfolio | 280.4k $166.3m | Reduced -300.8k |
| FRANKLIN RESOURCES INC 0.04% of their portfolio | 278.0k $164.8m | Added +96.9k |
| FIRST TRUST ADVISORS LP 0.11% of their portfolio | 270.6k $160.4m | Added +51.6k |
| VANGUARD FIDUCIARY TRUST CO 0.04% of their portfolio | 268.0k $158.9m | First filing |
| Eversept Partners, LP 10.33% of their portfolio | 264.3k $156.7m | Added +11.7k |
| FRONTIER CAPITAL MANAGEMENT CO LLC 1.54% of their portfolio | 252.7k $149.8m | Added +71.5k |
| LORD, ABBETT & CO. LLC 0.48% of their portfolio | 250.3k $148.4m | Reduced -7.8k |
| Pacer Advisors, Inc. 0.41% of their portfolio | 243.5k $144.4m | Added +1.7k |
| UBS Group AG 0.02% of their portfolio | 236.7k $140.4m | Added +10.9k |
| CITIGROUP INC 0.09% of their portfolio | 235.6k $139.7m | Added +51.2k |
| ALLIANCEBERNSTEIN L.P. 0.03% of their portfolio | 220.6k $107.5m | Added +14.1k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.03% of their portfolio | 207.3k $122.9m | Added +4.0k |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 199.4k $118.3m | Reduced -5.7k |
| DEUTSCHE BANK AG\ 0.04% of their portfolio | 198.8k $117.9m | Added +74.3k |
| Nuveen, LLC 0.03% of their portfolio | 190.7k $113.1m | Reduced -61.1k |
| Soleus Capital Management, L.P. 4.50% of their portfolio | 187.2k $111.0m | Added +127.2k |
| Legal & General Group Plc 0.03% of their portfolio | 186.8k $110.8m | Added +13.2k |
| FIFTH THIRD BANCORP 0.18% of their portfolio | 165.0k $97.8m | Added +164.5k |
| Sofinnova Investments, Inc. 4.76% of their portfolio | 160.1k $94.9m | Added +2.4k |
| MILLENNIUM MANAGEMENT LLC 0.07% of their portfolio | 153.4k $90.9m | Added +89.3k |
| Point72 Asset Management, L.P. 0.15% of their portfolio | 149.3k $88.5m | Reduced -36.9k |
| Amundi 0.02% of their portfolio | 147.6k $87.5m | Reduced -15.6k |
| Allspring Global Investments Holdings, LLC 0.14% of their portfolio | 146.5k $83.6m | Added +41.7k |
| Robeco Institutional Asset Management B.V. 0.11% of their portfolio | 127.9k $75.8m | Added +14.1k |
| Qube Research & Technologies Ltd 0.10% of their portfolio | 123.4k $73.2m | Added +25.1k |
| RHUMBLINE ADVISERS 0.06% of their portfolio | 122.5k $72.6m | Added +735 |
| Epoch Investment Partners, Inc. 0.43% of their portfolio | 120.7k $71.6m | Reduced -21.6k |
| Swiss National Bank 0.04% of their portfolio | 120.1k $71.2m | Added +2.3k |
| HSBC HOLDINGS PLC 0.04% of their portfolio | 119.2k $70.6m | Reduced -168.0k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 114.4k $67.8m | Added +3.6k |
| Bridgewater Associates, LP 0.29% of their portfolio | 111.2k $65.9m | Added +46.6k |
| Thrivent Financial for Lutherans 0.12% of their portfolio | 106.4k $63.1m | Reduced -14.4k |
| First Turn Management, LLC 6.94% of their portfolio | 104.7k $62.1m | Added +41.1k |
| SEIZERT CAPITAL PARTNERS, LLC 2.86% of their portfolio | 104.7k $62.1m | Reduced -40.9k |
| TD Asset Management Inc 0.05% of their portfolio | 104.6k $62.0m | Reduced -8.5k |
| PRINCIPAL FINANCIAL GROUP INC 0.03% of their portfolio | 101.7k $60.3m | Added +3.5k |
| D. E. Shaw & Co., Inc. 0.05% of their portfolio | 99.1k $58.8m | Reduced -207.9k |
| Retirement Systems of Alabama 0.19% of their portfolio | 98.4k $58.3m | Added +1.1k |
| Polaris Capital Management, LLC 4.69% of their portfolio | 96.7k $57.3m | Reduced -7.0k |
| STOREBRAND ASSET MANAGEMENT AS 0.16% of their portfolio | 93.7k $55.6m | Reduced -61 |
| DekaBank Deutsche Girozentrale 0.09% of their portfolio | 93.5k $56.0m | Unchanged |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 91.2k $54.1m | Reduced -9.8k |
| Sumitomo Mitsui Trust Group, Inc. 0.03% of their portfolio | 88.6k $52.6m | Reduced -3.5k |
| California Public Employees Retirement System 0.03% of their portfolio | 88.3k $52.4m | Added +4.9k |
| BOWEN HANES & CO INC 1.23% of their portfolio | 85.0k $50.4m | New |
| Krensavage Asset Management, LLC 19.55% of their portfolio | 84.3k $50.0m | Reduced -7.0k |
| Gotham Asset Management, LLC 0.15% of their portfolio | 80.4k $47.7m | Added +369 |
| Logos Global Management LP 2.44% of their portfolio | 80.0k $47.4m | New |
| Man Group plc 0.10% of their portfolio | 77.5k $46.0m | Reduced -1.5k |
| WELLS FARGO & COMPANY/MN 0.01% of their portfolio | 77.1k $45.7m | Reduced -13.8k |
| MARSHALL WACE, LLP 0.05% of their portfolio | 76.0k $45.1m | New |
| Vestal Point Capital, LP 1.24% of their portfolio | 75.0k $44.5m | New |
| Caption Management, LLC 2.10% of their portfolio | 74.4k $44.1m | Added +19.4k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.05% of their portfolio | 72.7k $43.1m | Added +8.2k |
| Aware Super Pty Ltd as trustee of Aware Super 0.65% of their portfolio | 72.5k $43.0m | First filing |
| Tri Locum Partners LP 5.86% of their portfolio | 70.4k $41.7m | Reduced -50.6k |
| AMERICAN CENTURY COMPANIES INC 0.02% of their portfolio | 69.4k $41.1m | Added +1.4k |
| Vinva Investment Management Ltd 0.50% of their portfolio | 68.6k $40.4m | Added +19.6k |
| Russell Investments Group, Ltd. 0.04% of their portfolio | 67.6k $40.0m | Added +12.7k |
| HRT FINANCIAL LP 0.14% of their portfolio | 66.8k $39.6m | Added +3.4k |
| Portolan Capital Management, LLC 2.00% of their portfolio | 63.4k $37.6m | Added +26.7k |
| Candriam S.C.A. 0.19% of their portfolio | 63.1k $37.4m | Reduced -64.1k |
| BARCLAYS PLC 0.01% of their portfolio | 63.0k $37.4m | Reduced -27.9k |
| Palo Alto Investors LP 5.70% of their portfolio | 62.8k $37.2m | Added +4.6k |
| ATWOOD & PALMER INC 2.09% of their portfolio | 62.4k $37.0m | Reduced -1.1k |
| BNP PARIBAS FINANCIAL MARKETS 0.02% of their portfolio | 62.0k $36.8m | Added +19.9k |
| VICTORY CAPITAL MANAGEMENT INC 0.02% of their portfolio | 60.5k $35.9m | Reduced -167.8k |
| TOCQUEVILLE ASSET MANAGEMENT L.P. 0.53% of their portfolio | 60.3k $35.7m | Reduced -860 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.04% of their portfolio | 59.8k $35.5m | Reduced -3.5k |
| ROYAL BANK OF CANADA 0.01% of their portfolio | 59.2k $35.1m | Added +1.9k |
| Summit Street Capital Management, LLC 4.77% of their portfolio | 56.9k $33.7m | Unchanged |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.03% of their portfolio | 56.4k $33.4m | Reduced -5.3k |