Lantheus Holdings, Inc. (LNTH) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

18,845,802Shares Outstanding

0Shares held by institutions

$0Value of institutional holdings

62.67%Institutional ownership %

0.00%Shares Changed QoQ

16No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

According to SEC filings for the period ending December 2025, Lantheus Holdings, Inc. (NASDAQ:LNTH) is held by 293 institutional firms.

Lantheus Holdings saw its institutional ownership percentage fell to 60.3% in December 2025 from 106.0% in September 2025.
Institutional share ownership changed by -7.76% QoQ, while the number of institutional owners saw a decrease of 38.96% YoY.
The latest 13F cycle for Lantheus Holdings reveals that of 293 total investors, 127 funds grew their exposure, whereas 121 reduced theirs and 45 made no changes.
This class of investors decreased its holdings in Lantheus Holdings to 40.82Mn shares for the 13F-cycle ending December 2025, down by 3.43Mn shares quarter on quarter, and down 34.64Mn shares year over year.
BlackRock, Inc. continues to be the largest institutional holder of Lantheus Holdings as of December 31, 2025, with a position of 8.27Mn shares, representing 12.20% of the company's outstanding stock.
Among the most significant buyers of Lantheus Holdings during December 2025 were NORGES BANK (1.14Mn), Carmignac Gestion (314.59K), REINHART PARTNERS, LLC. (214.82K), MARSHALL WACE, LLP (197.91K), CITIGROUP INC (143.83K).
Leading sellers of Lantheus Holdings stock in December 2025 included MORGAN STANLEY (2.12Mn), Assenagon Asset Management S.A. (1.21Mn), BNP PARIBAS FINANCIAL MARKETS (352.58K), VANGUARD GROUP INC (253.04K), JANE STREET GROUP, LLC (249.83K).
The top 10 institutional holders of Lantheus Holdings for the quarter ending December 2025 included BlackRock, Inc. (8.27Mn), VANGUARD GROUP INC (6.70Mn), STATE STREET CORP (2.43Mn), MORGAN STANLEY (1.76Mn), GEODE CAPITAL MANAGEMENT, LLC (1.73Mn), REINHART PARTNERS, LLC. (1.56Mn), DIMENSIONAL FUND ADVISORS LP (1.42Mn), Swedbank AB (1.23Mn), NORGES BANK (1.14Mn), Carmignac Gestion (1.12Mn).

293 Institutional Holders

0 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	8,266,414	669	0.01%	$550,129,840.00
VANGUARD GROUP INC	31 Dec, 2025	6,699,381	-253,037	-3.64%	$445,843,806.00
STATE STREET CORP	31 Dec, 2025	2,427,254	-69,772	-2.79%	$161,533,754.00
MORGAN STANLEY	31 Dec, 2025	1,757,569	-2,120,583	-54.68%	$116,966,337.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,726,521	-27,983	-1.59%	$114,917,787.00
REINHART PARTNERS, LLC.	31 Dec, 2025	1,562,576	214,820	15.94%	$103,990,422.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	1,415,463	44,374	3.24%	$94,202,296.00
Swedbank AB	31 Dec, 2025	1,228,743	0	0.00%	$81,772,847.00
NORGES BANK	31 Dec, 2025	1,144,955	1,144,955	0.00%	$76,196,755.00
Carmignac Gestion	31 Dec, 2025	1,122,000	314,591	38.96%	$74,669,100.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	769,030	47,608	6.60%	$51,178,947.00
JPMORGAN CHASE & CO	31 Dec, 2025	738,479	-43,355	-5.55%	$49,145,776.00
TD ASSET MANAGEMENT INC	31 Dec, 2025	711,894	-79,056	-10.00%	$47,376,546.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	643,168	13,394	2.13%	$42,802,830.00
Polaris Capital Management, LLC	31 Dec, 2025	538,000	-99,300	-15.58%	$35,803,900.00
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	522,177	-52,504	-9.14%	$34,750,879.00
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	31 Dec, 2025	499,873	51,421	11.47%	$33,266,548.00
Bank of New York Mellon Corp	31 Dec, 2025	469,243	-18,582	-3.81%	$31,228,148.00
Epoch Investment Partners, Inc.	31 Dec, 2025	407,529	-48,326	-10.60%	$27,121,055.00
UBS Group AG	31 Dec, 2025	396,455	75,313	23.45%	$26,384,080.00

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