Lantheus Holdings, Inc. - Common Stock (LNTH)
CUSIP: 516544103
Q1 2026 13F Holders as of 31 Mar 2026
- Type / Class
- Equity / Common Stock
- Shares outstanding
- 65,169,790
- Total 13F shares
- 20,147,268
- Share change
- -126,996
- Total reported value
- $1,527,949,800
- Put/Call ratio
- 237%
- Price per share
- $75.85
- Number of holders
- 227
- Value change
- +$5,302,397
- Number of buys
- 106
- Number of sells
- 101
Quarterly Holders Quick Answers
What is CUSIP 516544103?
CUSIP 516544103 identifies LNTH - Lantheus Holdings, Inc. - Common Stock in SEC institutional holdings data.
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- Previous quarter: Q4 2025
Recent filing periods for CUSIP 516544103:
Top shareholders of LNTH - Lantheus Holdings, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
|
Company |
13%
|
8,266,414
|
$550,129,840 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
10%
|
6,699,381
|
$445,843,806 | — | 31 Dec 2025 | |
| JANUS HENDERSON GROUP PLC |
13D/G
13F
|
Company |
8.6%
|
5,707,247
|
$385,581,607 | -$66,039,224 | 31 Dec 2025 | |
| FARALLON CAPITAL MANAGEMENT LLC |
13F
|
Company |
8.3%
|
5,427,479
|
$361,198,727 | — | 31 Dec 2025 | |
| FMR LLC |
13F
13D/G
|
Company |
6.5%
from 13D/G
|
4,323,526
|
$287,730,636 | — | 31 Dec 2025 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
|
Vanguard Capital Management |
5.2%
|
3,421,414
|
$259,514,252 | $0 | 31 Mar 2026 | |
| FARALLON PARTNERS L L C/CA |
3/4/5
|
Member of a Group Owning 10%, 10%+ Owner |
5.3%
|
3,477,227
|
$195,246,296 | -$191,213,690 | 19 Aug 2025 | |
| Rajiv A. Patel |
3/4/5
|
Member of a Group Owning 10% |
5.3%
|
3,477,227
|
$195,246,296 | -$191,213,690 | 19 Aug 2025 | |
| STATE STREET CORP |
13F
|
Company |
3.7%
|
2,427,254
|
$161,533,754 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
13D/G
|
Company |
2.5%
from 13D/G
|
1,757,569
|
$116,966,337 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.6%
|
1,726,521
|
$114,917,787 | — | 31 Dec 2025 | |
| REINHART PARTNERS, LLC. |
13F
|
Company |
2.4%
|
1,562,576
|
$103,990,422 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
2.2%
|
1,415,463
|
$94,202,296 | — | 31 Dec 2025 | |
| Swedbank AB |
13F
|
Company |
1.9%
|
1,228,743
|
$81,772,847 | — | 31 Dec 2025 | |
| NORGES BANK |
13F
|
Company |
1.8%
|
1,144,955
|
$76,196,755 | — | 31 Dec 2025 | |
| Gestion Carmignac |
13F
|
Individual |
1.7%
|
1,122,000
|
$74,669,100 | — | 31 Dec 2025 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
1.6%
|
1,014,369
|
$67,506,257 | — | 31 Dec 2025 | |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. |
13F
|
Company |
1.4%
|
939,997
|
$62,557,000 | — | 31 Dec 2025 | |
| DEERFIELD MANAGEMENT COMPANY, L.P. |
13F
|
Company |
1.3%
|
827,999
|
$55,103,333 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.3%
|
819,803
|
$54,557,891 | — | 31 Dec 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
1.3%
|
817,247
|
$54,388,000 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.2%
|
798,127
|
$53,115,351 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
1.2%
|
769,030
|
$51,178,947 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
1.1%
|
738,479
|
$49,145,776 | — | 31 Dec 2025 | |
| TD ASSET MANAGEMENT INC |
13F
|
Company |
1.1%
|
711,894
|
$47,376,546 | — | 31 Dec 2025 | |
| MACKENZIE FINANCIAL CORP |
13F
|
Company |
1%
|
657,674
|
$44,082,489 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.99%
|
644,196
|
$42,871,243 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.99%
|
643,168
|
$42,802,830 | — | 31 Dec 2025 | |
| Freestone Grove Partners LP |
13F
|
Company |
0.93%
|
608,526
|
$40,497,405 | — | 31 Dec 2025 | |
| Mary Anne Heino |
3/4/5
|
Executive Chair and CEO, Director |
—
mixed-class rows
|
615,520
mixed-class rows
|
$39,582,119 | -$2,002,570 | 02 Mar 2026 | |
| Private Capital Management, LLC |
13F
|
Company |
0.86%
|
558,824
|
$37,189,737 | — | 31 Dec 2025 | |
| Polaris Capital Management, LLC |
13F
|
Company |
0.83%
|
538,000
|
$35,803,900 | — | 31 Dec 2025 | |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.8%
|
522,177
|
$34,750,879 | — | 31 Dec 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.77%
|
499,873
|
$33,266,548 | — | 31 Dec 2025 | |
| Portolan Capital Management, LLC |
13F
|
Company |
0.73%
|
475,789
|
$31,663,758 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.72%
|
469,243
|
$31,228,148 | — | 31 Dec 2025 | |
| SILVERCREST ASSET MANAGEMENT GROUP LLC |
13F
|
Company |
0.64%
|
416,328
|
$27,706,962 | — | 31 Dec 2025 | |
| Epoch Investment Partners, Inc. |
13F
|
Company |
0.63%
|
407,529
|
$27,121,055 | — | 31 Dec 2025 | |
| Summit Street Capital Management, LLC |
13F
|
Company |
0.62%
|
405,664
|
$26,996,939 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.62%
|
403,622
|
$26,861,044 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.61%
|
396,455
|
$26,384,080 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.56%
|
366,124
|
$24,365,552 | — | 31 Dec 2025 | |
| Vestal Point Capital, LP |
13F
|
Company |
0.55%
|
360,000
|
$23,958,000 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.55%
|
357,134
|
$23,767,249 | — | 31 Dec 2025 | |
| Brian A. Markison |
3/4/5
|
CEO, Director |
—
mixed-class rows
|
273,767
mixed-class rows
|
$22,047,361 | — | 05 Mar 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.47%
|
306,723
|
$20,412,416 | — | 31 Dec 2025 | |
| Pacer Advisors, Inc. |
13F
|
Company |
0.39%
|
255,293
|
$16,989,749 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.36%
|
235,298
|
$15,659,083 | — | 31 Dec 2025 | |
| THOMPSON SIEGEL & WALMSLEY LLC |
13F
|
Company |
0.36%
|
234,531
|
$15,608,000 | — | 31 Dec 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.36%
|
232,677
|
$15,484,655 | — | 31 Dec 2025 |
Institutional Holders of Lantheus Holdings, Inc. - Common Stock (LNTH) as of Q1 2026
As of 31 Mar 2026,
Lantheus Holdings, Inc. - Common Stock (LNTH) was held by
227 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
20,147,268 shares.
The largest 10 holders included
VANGUARD PORTFOLIO MANAGEMENT LLC, VANGUARD CAPITAL MANAGEMENT LLC, REINHART PARTNERS, LLC., DIMENSIONAL FUND ADVISORS LP, Swedbank AB, TD Asset Management Inc, UBS Group AG, Polaris Capital Management, LLC, Boston Partners, and Bank of New York Mellon Corp.
This page lists
227
institutional shareholders reporting positions in this security
for the Q1 2026 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
391
Q1 2026 holders
227
Holder diff
-164
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 Value $ | Q1 2026 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.