Lantheus Holdings LNTH Institutional Ownership

NASDAQ LNTH

$99.53 +0.02 (+0.02%)

At close: Sep 30, 2026 · 4:00 PM EDT

Institutions by Trading Activity

467 Institutions

Increased 250 53.5%

Unchanged 75 16.1%

Reduced 142 30.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

116.39%

▲+4.12 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

467

filed 13F for Jun 2026

▲+62 vs prior quarter

Net Shares Added (QoQ)

+9.84Mn

accumulated since last quarter

Value of Holdings

$7.55Bn

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) appears in 467 institutional 13F filings for the quarter ending June 2026.

Collectively, these holders controlled 116.4% of Lantheus Holdings's outstanding shares in June 2026, up from 112.3% in March 2026.
Their total shares held in LNTH increased 14.91% from the prior quarter, while the number of investors in Lantheus Holdings decreased 1.89% year over year.
Among the 467 funds, 250 bought more Lantheus Holdings shares, 142 sold down, and 75 held their ground.
Combined, these investors held 75.84Mn shares in LNTH for June 2026, up by 9.84Mn shares quarter on quarter, and down 4.71Mn shares year over year.
As of June 30, 2026, the biggest holder of Lantheus Holdings is BlackRock, Inc. at 8.4Mn shares, representing 12.89% of shares outstanding.
The largest buyers of Lantheus Holdings 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 biggest sellers of Lantheus Holdings for the quarter ending June 2026 included 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).
Per Business Quant data, the top 10 holders of Lantheus Holdings for the quarter ending June 2026 are 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).

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