NORTH BILLERICA, MA
LANTHEUS HOLDINGS, INC.LNTH— Latest position per institution from SEC 13F filings
15
Institutional holders
63.22M
Total shares held
4.64B
Estimated value
3.16M
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
8.60M
Value
690.17M
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
8.18M
Value
620.70M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
6.70M
Value
445.84M
Filed
Dec 31, 2025
FARALLON CAPITAL MANAGEMENT LLC
CIK 909661
Shares
5.58M
Value
423.51M
Filed
Mar 31, 2026
JANUS HENDERSON GROUP PLC
CIK 1274173
Shares
4.77M
Value
362.17M
Filed
Mar 31, 2026
FMR LLC
CIK 315066
Shares
4.63M
Value
350.92M
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
3.17M
Value
240.77M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.91M
Value
221.05M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
2.43M
Value
184.30M
Filed
Mar 31, 2026
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
1.78M
Value
135.10M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.77M
Value
133.97M
Filed
Mar 31, 2026
1832 ASSET MANAGEMENT L.P.
CIK 944388
Shares
1.77M
Value
124.16K
Filed
Sep 30, 2022
MORGAN STANLEY
CIK 895421
Shares
1.65M
Value
124.88M
Filed
Mar 31, 2026
REINHART PARTNERS, LLC.
CIK 1080298
Shares
1.56M
Value
118.70M
Filed
Mar 31, 2026
WESTFIELD CAPITAL MANAGEMENT CO LP
CIK 1177719
Shares
1.50M
Value
122.39M
Filed
Jun 30, 2025
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
1.38M
Value
104.63M
Filed
Mar 31, 2026
CARMIGNAC GESTION
CIK 1569758
Shares
1.33M
Value
100.73M
Filed
Mar 31, 2026
SWEDBANK AB
CIK 946431
Shares
1.23M
Value
93.20M
Filed
Mar 31, 2026
NORGES BANK
CIK 1374170
Shares
1.14M
Value
76.20M
Filed
Dec 31, 2025
TD ASSET MANAGEMENT INC
CIK 1056053
Shares
1.13M
Value
85.98M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 8.60M | 690.17M | Jun 30, 2024 |
| 2 | BLACKROCK, INC. | 2012383 | 8.18M | 620.70M | Mar 31, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 6.70M | 445.84M | Dec 31, 2025 |
| 4 | FARALLON CAPITAL MANAGEMENT LLC | 909661 | 5.58M | 423.51M | Mar 31, 2026 |
| 5 | JANUS HENDERSON GROUP PLC | 1274173 | 4.77M | 362.17M | Mar 31, 2026 |
| 6 | FMR LLC | 315066 | 4.63M | 350.92M | Mar 31, 2026 |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 3.17M | 240.77M | Mar 31, 2026 |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.91M | 221.05M | Mar 31, 2026 |
| 9 | STATE STREET CORP | 93751 | 2.43M | 184.30M | Mar 31, 2026 |
| 10 | AMERICAN CENTURY COMPANIES INC | 748054 | 1.78M | 135.10M | Mar 31, 2026 |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.77M | 133.97M | Mar 31, 2026 |
| 12 | 1832 ASSET MANAGEMENT L.P. | 944388 | 1.77M | 124.16K | Sep 30, 2022 |
| 13 | MORGAN STANLEY | 895421 | 1.65M | 124.88M | Mar 31, 2026 |
| 14 | REINHART PARTNERS, LLC. | 1080298 | 1.56M | 118.70M | Mar 31, 2026 |
| 15 | WESTFIELD CAPITAL MANAGEMENT CO LP | 1177719 | 1.50M | 122.39M | Jun 30, 2025 |
| 16 | DIMENSIONAL FUND ADVISORS LP | 354204 | 1.38M | 104.63M | Mar 31, 2026 |
| 17 | CARMIGNAC GESTION | 1569758 | 1.33M | 100.73M | Mar 31, 2026 |
| 18 | SWEDBANK AB | 946431 | 1.23M | 93.20M | Mar 31, 2026 |
| 19 | NORGES BANK | 1374170 | 1.14M | 76.20M | Dec 31, 2025 |
| 20 | TD ASSET MANAGEMENT INC | 1056053 | 1.13M | 85.98M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.