There is a long list of 532 institutional holders of UTHR within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of UTHR by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-UTHR table below, the initial column indicates the name of each top institutional holder of UTHR, with a link to that fund's top holdings. The next columns indicate the amount of UTHR stock held by each of the institutional holders of UTHR, followed by the UTHR position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.	5,295,000	$1,164,318	12/31/2023
UTHR	5,295,000	$1,164,318	12/31/2023
Vanguard Group Inc.	4,673,678	$1,027,695	12/31/2023
UTHR	4,673,678	$1,027,695	12/31/2023
Wellington Management Group LLP	3,794,010	$834,265	12/31/2023
UTHR	3,794,010	$834,265	12/31/2023
Avoro Capital Advisors LLC	2,858,888	$628,641	12/31/2023
UTHR	2,858,888	$628,641	12/31/2023
FMR LLC	2,321,040	$510,373	12/31/2023
UTHR	2,321,040	$510,373	12/31/2023
Renaissance Technologies LLC	2,170,214	$477,208	12/31/2023
UTHR	2,170,214	$477,208	12/31/2023
State Street Corp	1,947,177	$428,165	12/31/2023
UTHR	1,947,177	$428,165	12/31/2023
Janus Henderson Group PLC	870,119	$191,345	12/31/2023
UTHR	870,119	$191,345	12/31/2023
Geode Capital Management LLC	779,762	$171,209	12/31/2023
UTHR	779,762	$171,209	12/31/2023
Dimensional Fund Advisors LP	561,950	$123,566	12/31/2023
UTHR	561,950	$123,566	12/31/2023
AQR Capital Management LLC	551,767	$120,721	12/31/2023
UTHR	551,767	$120,721	12/31/2023
Nuveen Asset Management LLC	491,505	$108,077	12/31/2023
UTHR	491,505	$108,077	12/31/2023
Bank of New York Mellon Corp	458,333	$105,288	03/31/2024
UTHR	458,333	$105,288	03/31/2024
Farallon Capital Management LLC	476,000	$104,668	12/31/2023
UTHR	476,000	$104,668	12/31/2023
Morgan Stanley	459,732	$101,091	12/31/2023
UTHR	459,732	$101,091	12/31/2023
Norges Bank	457,132	$100,519	12/31/2023
UTHR	457,132	$100,519	12/31/2023
Fuller & Thaler Asset Management Inc.	431,116	$94,798	12/31/2023
UTHR	431,116	$94,798	12/31/2023
Palo Alto Investors LP	395,784	$87,029	12/31/2023
UTHR	395,784	$87,029	12/31/2023
Orbimed Advisors LLC	386,100	$84,900	12/31/2023
UTHR	386,100	$84,900	12/31/2023
LSV Asset Management	377,368	$82,979	12/31/2023
UTHR	377,368	$82,979	12/31/2023
Northern Trust Corp	373,794	$82,194	12/31/2023
UTHR	373,794	$82,194	12/31/2023
Charles Schwab Investment Management Inc.	319,030	$70,152	12/31/2023
UTHR	319,030	$70,152	12/31/2023
Pacer Advisors Inc.	312,799	$68,781	12/31/2023
UTHR	312,799	$68,781	12/31/2023
First Trust Advisors LP	287,020	$63,113	12/31/2023
UTHR	287,020	$63,113	12/31/2023
Caisse DE Depot ET Placement DU Quebec	280,262	$61,627	12/31/2023
UTHR	280,262	$61,627	12/31/2023
Legal & General Group Plc	279,845	$61,535	12/31/2023
UTHR	279,845	$61,535	12/31/2023
Assetmark Inc.	272,316	$59,880	12/31/2023
UTHR	272,316	$59,880	12/31/2023
California Public Employees Retirement System	256,959	$56,503	12/31/2023
UTHR	256,959	$56,503	12/31/2023
Loomis Sayles & Co. L P	254,044	$55,862	12/31/2023
UTHR	254,044	$55,862	12/31/2023
Soleus Capital Management L.P.	249,449	$54,851	12/31/2023
UTHR	249,449	$54,851	12/31/2023
Eversept Partners LP	246,234	$54,144	12/31/2023
UTHR	246,234	$54,144	12/31/2023
Avidity Partners Management LP	237,202	$52,158	12/31/2023
UTHR	237,202	$52,158	12/31/2023
Invesco Ltd.	225,328	$49,547	12/31/2023
UTHR	225,328	$49,547	12/31/2023
Epoch Investment Partners Inc.	213,179	$46,876	12/31/2023
UTHR	213,179	$46,876	12/31/2023
Qube Research & Technologies Ltd	205,244	$45,131	12/31/2023
UTHR	205,244	$45,131	12/31/2023
Krensavage Asset Management LLC	200,872	$44,170	12/31/2023
UTHR	200,872	$44,170	12/31/2023
Lazard Asset Management LLC	197,073	$43,333	12/31/2023
UTHR	197,073	$43,333	12/31/2023
Amundi	189,464	$42,508	12/31/2023
UTHR	189,464	$42,508	12/31/2023
Allspring Global Investments Holdings LLC	184,934	$42,483	03/31/2024
UTHR	184,934	$42,483	03/31/2024
Robeco Institutional Asset Management B.V.	180,066	$41,365	03/31/2024
UTHR	180,066	$41,365	03/31/2024
Schroder Investment Management Group	187,853	$41,307	12/31/2023
UTHR	187,853	$41,307	12/31/2023
Principal Financial Group Inc.	178,336	$39,214	12/31/2023
UTHR	178,336	$39,214	12/31/2023
Wedge Capital Management L L P NC	170,549	$39,179	03/31/2024
UTHR	170,549	$39,179	03/31/2024
JPMorgan Chase & Co.	177,700	$39,074	12/31/2023
UTHR	177,700	$39,074	12/31/2023
Eagle Health Investments LP	170,838	$37,566	12/31/2023
UTHR	170,838	$37,566	12/31/2023
UBS Asset Management Americas Inc.	163,415	$35,933	12/31/2023
UTHR	163,415	$35,933	12/31/2023
Parkman Healthcare Partners LLC	161,539	$35,521	12/31/2023
UTHR	161,539	$35,521	12/31/2023
Comerica Bank	156,667	$34,449	12/31/2023
UTHR	156,667	$34,449	12/31/2023
Deutsche Bank AG	153,595	$33,774	12/31/2023
UTHR	153,595	$33,774	12/31/2023
Pictet Asset Management Holding SA	153,183	$33,683	12/31/2023
UTHR	153,183	$33,683	12/31/2023