LANTHEUS HOLDINGS, INC.

PublicCIK: 1521036
LNTHNASDAQ
Location

NORTH BILLERICA, MA

13F Filings

Institutional Holders

LANTHEUS HOLDINGS, INC.LNTH— Latest position per institution from SEC 13F filings

15

Institutional holders

76.31M

Total shares held

6.35B

Estimated value

3.82M

Avg. position size

1

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

8.60M

Value

690.17M

Filed

Jun 30, 2024

2

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

CIK 1081019

Shares

8.43M

Value

76.03K

Filed

Jun 30, 2026

3

BLACKROCK, INC.

CIK 2012383

Shares

8.40M

Value

931.63M

Filed

Jun 30, 2026

4

VANGUARD GROUP INC

CIK 102909

Shares

6.70M

Value

445.84M

Filed

Dec 31, 2025

5

FARALLON CAPITAL MANAGEMENT, L.L.C.

CIK 909661

Shares

5.58M

Value

619.43M

Filed

Jun 30, 2026

6

JUPITER TOPCO LLC

CIK 2146052

Shares

5.19M

Value

575.63M

Filed

Jun 30, 2026

7

JANUS HENDERSON GROUP LTD.

CIK 1274173

Shares

4.77M

Value

362.17M

Filed

Mar 31, 2026

8

FMR LLC

CIK 315066

Shares

3.88M

Value

430.44M

Filed

Jun 30, 2026

9

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

3.24M

Value

359.28M

Filed

Jun 30, 2026

10

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

2.93M

Value

325.30M

Filed

Jun 30, 2026

11

AMERICAN CENTURY COMPANIES INC

CIK 748054

Shares

2.82M

Value

312.47M

Filed

Jun 30, 2026

12

STATE STREET CORP

CIK 93751

Shares

2.50M

Value

277.43M

Filed

Jun 30, 2026

13

PRICE T ROWE ASSOCIATES INC /MD/

CIK 80255

Shares

1.90M

Value

211.16K

Filed

Jun 30, 2026

14

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

1.84M

Value

204.32M

Filed

Jun 30, 2026

15

1832 ASSET MANAGEMENT L.P.

CIK 944388

Shares

1.77M

Value

124.16K

Filed

Sep 30, 2022

16

MORGAN STANLEY

CIK 895421

Shares

1.73M

Value

191.52M

Filed

Jun 30, 2026

17

REINHART PARTNERS, LLC.

CIK 1080298

Shares

1.60M

Value

177.44M

Filed

Jun 30, 2026

18

WESTFIELD CAPITAL MANAGEMENT CO LP

CIK 1177719

Shares

1.50M

Value

122.39M

Filed

Jun 30, 2025

19

CITADEL ADVISORS LLC

CIK 1423053

Shares

1.47M

Value

163.49M

Filed

Jun 30, 2026

20

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

1.47M

Value

162.66M

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.