Lantheus Holdings LNTH Institutional Ownership

NASDAQ LNTH

$100.39 +0.47 (+0.47%)

At close: Oct 20, 2026 · 4:00 PM EDT

Institutions by Trading Activity

465 Institutions

Increased 248 53.3%

Unchanged 75 16.1%

Reduced 142 30.5%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

—

13F totals exceed reported shares outstanding

Shares Held by Institutions

75.18Mn

of 65.27Mn outstanding

▲+3.44% QoQ

Shares Outstanding

65.27Mn

Institutional Investors

465

filed 13F for Jun 2026

▲+61 vs prior quarter

Net Shares Added (QoQ)

+2.50Mn

accumulated since last quarter

Value of Holdings

$7.52Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Lantheus Holdings, Inc. (NASDAQ:LNTH) appeared in the 13F filings of 465 institutional investors for the quarter ended June 30, 2026.

Total holdings of LNTH shares rose 3.44% from Q1 2026, and the holder count fell 1.90% from Q2 2025.
Of these 465 holders, 248 added to their positions, 142 reduced their stakes and 75 left their positions unchanged.
In total, institutional investors held 75.18Mn shares of Lantheus Holdings at the end of Q2 2026, up 2.5Mn from the prior quarter and down 4.97Mn from a year earlier.
BlackRock, Inc. led 13F holders of LNTH with 8.4Mn shares as of June 30, 2026.
The largest position increases in LNTH for Q2 2026 were by Citadel Advisors LLC (+1.09Mn shares), American Century Companies Inc (+1.04Mn shares), T. Rowe Price Associates Inc (+983.62K shares), Assenagon Asset Management S.A. (+582.66K shares) and Ameriprise Financial Inc (+349.35K shares).
Holders that trimmed the most shares of Lantheus Holdings in Q2 2026 while keeping a position were FMR LLC (-746.48K shares), TD Asset Management Inc (-479.78K shares), Longaeva Partners L.P. (-354.89K shares), Point72 Asset Management, L.P. (-344.4K shares) and Epoch Investment Partners, Inc. (-262.76K shares).
Per Business Quant, the top 10 investors in LNTH for the quarter ended June 30, 2026 were BlackRock, Inc. (8.4Mn shares), Farallon Capital Management, L.L.C. (5.58Mn shares), Jupiter Topco LLC (5.19Mn shares), FMR LLC (3.88Mn shares), Vanguard Portfolio Management LLC (3.24Mn shares), Vanguard Capital Management LLC (2.93Mn shares), American Century Companies Inc (2.82Mn shares), State Street Corp (2.5Mn shares), T. Rowe Price Associates Inc (1.9Mn shares) and Geode Capital Management, LLC (1.84Mn shares).

Form 13F Holdings

465 Institutional Holders

Report period 30 Jun, 2026

Total shares held 75.18Mn

Of outstanding —

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	8,397,642	12.87%	▲214,449	+2.62%	$931.63Mn
2	FARALLON CAPITAL MANAGEMENT, L.L.C.	0000909661	5,583,479	8.56%	0	0.00%	$619.43Mn
3	Jupiter Topco LLC	0002146052	5,188,416	7.95%	▲5,188,416	0.00%	$575.63Mn
4	FMR LLC	0000315066	3,879,971	5.94%	▼746,482	-16.14%	$430.44Mn
5	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	3,238,471	4.96%	▲64,197	+2.02%	$359.28Mn
6	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,932,214	4.49%	▲17,900	+0.61%	$325.30Mn
7	AMERICAN CENTURY COMPANIES INC	0000748054	2,816,547	4.32%	▲1,035,441	+58.13%	$312.47Mn
8	State Street Corp	0000093751	2,500,696	3.83%	▲70,893	+2.92%	$277.43Mn
9	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	1,903,354	2.92%	▲983,622	+106.95%	$211.16K
10	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,841,367	2.82%	▲75,415	+4.27%	$204.32Mn
11	Morgan Stanley	0000895421	1,726,303	2.65%	▲79,840	+4.85%	$191.52Mn
12	REINHART PARTNERS, LLC.	0001080298	1,599,379	2.45%	▲34,501	+2.20%	$177.44Mn
13	DIMENSIONAL FUND ADVISORS LP	0000354204	1,466,260	2.25%	▲86,690	+6.28%	$162.66Mn
14	CITADEL ADVISORS LLC	0001423053	1,376,480	2.11%	▲1,091,936	+383.75%	$152.71Mn
15	Carmignac Gestion	0001569758	1,340,100	2.05%	▲12,100	+0.91%	$148.67Mn
16	Swedbank AB	0000946431	1,201,243	1.84%	▼27,500	-2.24%	$133.27Mn
17	WELLINGTON MANAGEMENT GROUP LLP	0000902219	1,013,063	1.55%	▲244,213	+31.76%	$112.39Mn
18	BROWN ADVISORY INC	0001345929	915,683	1.40%	▲228,076	+33.17%	$101.59Mn
19	UBS Group AG	0001610520	835,494	1.28%	▼32,181	-3.71%	$92.69Mn
20	Northern Trust Corp	0000073124	818,394	1.25%	▲13,471	+1.67%	$90.79Mn

Showing 1 to 20 of 465 holders