Lantheus Holdings LNTH Institutional Ownership

NASDAQ LNTH

$100.92 +0.48 (+0.48%)

As of: Sep 9, 2026 · 3:09 PM EDT

Institutions by Trading Activity

466 Institutions

Increased 251 53.9%

Unchanged 72 15.5%

Reduced 143 30.7%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

116.39%

▼-3.25 pp QoQ

Shares Held by Institutions

75.84Mn

of 65.16Mn outstanding

▲+14.91% QoQ

Shares Outstanding

65.16Mn

-10.68Mn held outside 13F filers

Institutional Investors

466

filed 13F for Jun 2026

▲+62 vs prior quarter

Net Shares Added (QoQ)

+9.84Mn

accumulated since last quarter

Value of Holdings

$7.66Bn

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

Quarter ending 30 Jun, 2026

Lantheus Holdings, Inc. (NASDAQ:LNTH) showed up in the 13F filings of 466 institutional investors as of June 2026.

They owned 116.4% of outstanding stock in June 2026, down from 119.6% the prior quarter.
They increased total shares held in Lantheus Holdings by 14.91% from last quarter, and the number of investors in LNTH decreased 1.89% annually.
Activity in LNTH broke down as 251 buyers, 143 sellers, and 72 unchanged among 466 total holders.
Combined, these investors held 75.84Mn shares in LNTH for June 2026, up by 9.84Mn shares quarter on quarter, and down 7.16Mn shares year over year.
BlackRock, Inc. is the top holder of Lantheus Holdings as of June 30, 2026, with 8.4Mn shares representing 12.89% of outstanding stock.
Leading buyers of Lantheus Holdings shares for the quarter ending June 2026 were Jupiter Topco LLC (5.19Mn), CITADEL ADVISORS LLC (1.09Mn), AMERICAN CENTURY COMPANIES INC (1.04Mn), PRICE T ROWE ASSOCIATES INC /MD/ (983.62K), Sixth Street Partners Management Company, L.P. (665.46K).
The largest sellers of Lantheus Holdings for the quarter ending June 2026 were FMR LLC (746.48K), TD ASSET MANAGEMENT INC (479.78K), Longaeva Partners L.P. (354.89K), Point72 Asset Management, L.P. (344.4K), Epoch Investment Partners, Inc. (262.76K).
Lantheus Holdings's 10 largest shareholders as of June 2026 include BlackRock, Inc. (8.4Mn), FARALLON CAPITAL MANAGEMENT, L.L.C. (5.58Mn), Jupiter Topco LLC (5.19Mn), FMR LLC (3.88Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (3.24Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.93Mn), AMERICAN CENTURY COMPANIES INC (2.82Mn), State Street Corp (2.5Mn), PRICE T ROWE ASSOCIATES INC /MD/ (1.9Mn), GEODE CAPITAL MANAGEMENT, LLC (1.84Mn) per Business Quant data.

Form 13F Holdings

466 Institutional Holders

Report period 30 Jun, 2026

Total shares held 75.84Mn

Of outstanding 116.39%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	8,397,642	12.89%	▲214,449	+2.62%	$931.63Mn
2	FARALLON CAPITAL MANAGEMENT, L.L.C.	0000909661	5,583,479	8.57%	0	0.00%	$619.43Mn
3	Jupiter Topco LLC	0002146052	5,188,416	7.96%	▲5,188,416	0.00%	$575.63Mn
4	FMR LLC	0000315066	3,879,971	5.95%	▼746,482	-16.14%	$430.44Mn
5	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	3,238,471	4.97%	▲64,197	+2.02%	$359.28Mn
6	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,932,214	4.50%	▲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	3.84%	▲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	2.83%	▲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	2.06%	▲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	1.41%	▲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	1.26%	▲13,471	+1.67%	$90.79Mn

Showing 1 to 20 of 466 holders