United Therapeutics
UTHR · NASDAQ
Who owns UTHR
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 43.1% of UTHR’s shares.
- BlackRock Institutional Trust Company, N.A.9.9%
- Avoro Capital Advisors LLC6.5%
- Vanguard Portfolio Management, LLC4.5%
- Vanguard Capital Management, LLC4.5%
- Next 6 largest institutions17.7%
- All other shareholders56.9%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 4.19M | 9.87% |
| Avoro Capital Advisors LLC | 2.78M | 6.54% |
| Vanguard Portfolio Management, LLC | 1.92M | 4.52% |
| Vanguard Capital Management, LLC | 1.92M | 4.52% |
| State Street Investment Management (US) | 1.90M | 4.47% |
| Renaissance Technologies LLC | 1.71M | 4.03% |
| Wellington Management Company, LLP | 1.38M | 3.25% |
| Geode Capital Management, L.L.C. | 996.60K | 2.35% |
| Janus Henderson Investors | 831.13K | 1.96% |
| Norges Bank Investment Management (NBIM) | 694.75K | 1.64% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Mid-Cap ETF | 1.49M | 3.50% |
| Vanguard Total Stock Market Index Fund | 1.35M | 3.18% |
| Vanguard Small-Cap Index Fund | 975.81K | 2.30% |
| Vanguard Health Care Fund | 756.63K | 1.78% |
| Statens Pensjonsfond Utland | 529.66K | 1.25% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $863.95K (1 trade) and sold $779.03M (1641 trades) of UTHR on the open market.
| Insider | Type | Shares | Value |
|---|---|---|---|
| MAHON PAUL A | Option exercise | 8.30K | — |
| MAHON PAUL A | Sale | 719 | $392.98K |
| MAHON PAUL A | Sale | 2.62K | $1.43M |
| MAHON PAUL A | Sale | 791 | $430.98K |
| MAHON PAUL A | Sale | 1.98K | $1.08M |
| MAHON PAUL A | Sale | 1.92K | $1.04M |
| MAHON PAUL A | Sale | 268 | $145.16K |
| MAHON PAUL A | Option exercise | 8.30K | $1.21M |
| ROTHBLATT MARTINE A | Option exercise | 9.50K | — |
| ROTHBLATT MARTINE A | Sale | 120 | $66.18K |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Michael McCaulHouse | Sale | $15K–$50K | Oct 27, 2025 |
Short interest
Settled Sep 30, 2026
- Shares short
- 3.60M
- Days to cover
- 3.61
- % of shares outstanding
- 8.47%
- Average daily volume
- 995.62K
- Change since last report
- +28.4%
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