BEDFORD, MA
LANTHEUS HOLDINGS, INC.LNTH— Latest position per institution from SEC 13F filings
15
Institutional holders
68.09M
Total shares held
6.55B
Estimated value
3.40M
Avg. position size
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
8.60M
Value
690.17M
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
8.40M
Value
931.63M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
6.70M
Value
445.84M
Filed
Dec 31, 2025
FARALLON CAPITAL MANAGEMENT, L.L.C.
CIK 909661
Shares
5.58M
Value
619.43M
Filed
Jun 30, 2026
JUPITER TOPCO LLC
CIK 2146052
Shares
5.19M
Value
575.63M
Filed
Jun 30, 2026
JANUS HENDERSON GROUP LTD.
CIK 1274173
Shares
4.77M
Value
362.17M
Filed
Mar 31, 2026
FMR LLC
CIK 315066
Shares
3.88M
Value
430.44M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
3.24M
Value
359.28M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.93M
Value
325.30M
Filed
Jun 30, 2026
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
2.82M
Value
312.47M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
2.50M
Value
277.43M
Filed
Jun 30, 2026
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
1.90M
Value
211.16K
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.84M
Value
204.32M
Filed
Jun 30, 2026
MORGAN STANLEY
CIK 895421
Shares
1.73M
Value
191.52M
Filed
Jun 30, 2026
WESTFIELD CAPITAL MANAGEMENT CO LP
CIK 1177719
Shares
1.50M
Value
122.39M
Filed
Jun 30, 2025
CITADEL ADVISORS LLC
CIK 1423053
Shares
1.47M
Value
163.49M
Filed
Jun 30, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
1.47M
Value
162.66M
Filed
Jun 30, 2026
CARMIGNAC GESTION
CIK 1569758
Shares
1.34M
Value
148.67M
Filed
Jun 30, 2026
REINHART PARTNERS, LLC.
CIK 1080298
Shares
1.21M
Value
120.22M
Filed
Sep 30, 2026
SWEDBANK AB
CIK 946431
Shares
1.03M
Value
102.07M
Filed
Sep 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK FINANCE, INC. | 1364742 | 8.60M | 690.17M | Jun 30, 2024 |
| 2 | BLACKROCK, INC. | 2012383 | 8.40M | 931.63M | Jun 30, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 6.70M | 445.84M | Dec 31, 2025 |
| 4 | FARALLON CAPITAL MANAGEMENT, L.L.C. | 909661 | 5.58M | 619.43M | Jun 30, 2026 |
| 5 | JUPITER TOPCO LLC | 2146052 | 5.19M | 575.63M | Jun 30, 2026 |
| 6 | JANUS HENDERSON GROUP LTD. | 1274173 | 4.77M | 362.17M | Mar 31, 2026 |
| 7 | FMR LLC | 315066 | 3.88M | 430.44M | Jun 30, 2026 |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 3.24M | 359.28M | Jun 30, 2026 |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.93M | 325.30M | Jun 30, 2026 |
| 10 | AMERICAN CENTURY COMPANIES INC | 748054 | 2.82M | 312.47M | Jun 30, 2026 |
| 11 | STATE STREET CORP | 93751 | 2.50M | 277.43M | Jun 30, 2026 |
| 12 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 1.90M | 211.16K | Jun 30, 2026 |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.84M | 204.32M | Jun 30, 2026 |
| 14 | MORGAN STANLEY | 895421 | 1.73M | 191.52M | Jun 30, 2026 |
| 15 | WESTFIELD CAPITAL MANAGEMENT CO LP | 1177719 | 1.50M | 122.39M | Jun 30, 2025 |
| 16 | CITADEL ADVISORS LLC | 1423053 | 1.47M | 163.49M | Jun 30, 2026 |
| 17 | DIMENSIONAL FUND ADVISORS LP | 354204 | 1.47M | 162.66M | Jun 30, 2026 |
| 18 | CARMIGNAC GESTION | 1569758 | 1.34M | 148.67M | Jun 30, 2026 |
| 19 | REINHART PARTNERS, LLC. | 1080298 | 1.21M | 120.22M | Sep 30, 2026 |
| 20 | SWEDBANK AB | 946431 | 1.03M | 102.07M | Sep 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.