Portolan Capital Management, LLC

Position in UTHR — UNITED THERAPEUTICS Corp

CIK 1350290 BOSTON, MA

Back to UTHR Full portfolio

Position in UTHR

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$37,615,686

+$19,707,787 QoQ

Shares Held

63,435

+72.6% QoQ

Ownership

0.149%

of shares outstanding

% of Portfolio

2.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

18 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in UTHR Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Mar 31, 2026

Portolan Capital Management, LLC holds $69,274,717 across 2 Drug Manufacturers - Specialty & Generic names. UTHR ranks #1 (54.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	UTHR	UNITED THERAPEUTICS Corp This page	63,435	$37,615,686
2	LNTH	Lantheus Holdings, Inc.	417,390	$31,659,031

All Filings in UTHR

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18 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$37,615,686	63,435	+72.6%	Shares	Sole	2026-05-15
2025-12-31	$17,907,899	36,753	+103.3%	Shares	Sole	2026-02-17
2025-09-30	$7,577,639	18,076	-41.2%	Shares	Sole	2025-11-13
2025-06-30	$8,839,748	30,763	-31.7%	Shares	Sole	2025-08-13
2025-03-31	$13,893,112	45,068	+216.3%	Shares	Sole	2025-05-15
2024-12-31	$5,027,617	14,249	-53.3%	Shares	Sole	2025-02-13
2024-09-30	$10,931,825	30,506	-44.4%	Shares	Sole	2024-11-14
2024-06-30	$17,470,874	54,845	-50.6%	Shares	Sole	2024-08-14
2024-03-31	$25,481,001	110,922	+20.8%	Shares	Sole	2024-05-15
2023-12-31	$20,187,661	91,808	+13.3%	Shares	Sole	2024-02-14
2023-09-30	$18,306,311	81,048	+142.2%	Shares	Sole	2023-11-14
2023-06-30	$7,387,619	33,466	-57.0%	Shares	Sole	2023-08-14
2023-03-31	$17,412,442	77,748	-1.4%	Shares	Sole	2023-05-15
2022-12-31	$21,918,219	78,817	-3.0%	Shares	Sole	2023-02-13
2022-09-30	$17,020,500	81,290	-4.2%	Shares	Sole	2022-11-14
2022-06-30	$19,992,640	84,844	+13.1%	Shares	Sole	2022-08-15
2020-06-30	$9,079,719	75,039	-34.6%	Shares	Sole	2020-08-14
2020-03-31	$10,884,302	114,777	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.