Skip to main content
Equibles

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Position in LNTH — Lantheus Holdings, Inc.

CIK 1644956 CHICAGO, IL
Back to LNTH Full portfolio

Position in LNTH

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$25,804,311
-$4,501,632 QoQ
Shares Held
232,597
-41.8% QoQ
Ownership
0.356%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#57
of 467 holders
Holding Since
Jun 2021
21 quarters on record
Voting authority Sole 62% Shared 0% None 38%

Common Shares in LNTH Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Jun 30, 2026

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $270,554,198 across 3 Drug Manufacturers - Specialty & Generic names. LNTH ranks #2 (9.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 TEVA
Teva Pharmaceutical Industries Ltd
 6,593,221 $223,378,327
2 LNTH
Lantheus Holdings, Inc.
This page 		232,597 $25,804,311
3 ANIP
Ani Pharmaceuticals Inc
 258,173 $21,371,560

All Filings in LNTH

Export CSV
21 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $25,804,311 232,597
2026-03-31 $30,305,943 399,551
2025-12-31 $34,750,879 522,177
2025-09-30 $29,475,388 574,681
2025-06-30 $32,058,176 391,622
2025-03-31 $35,503,659 363,767
2024-12-31 $34,023,785 380,324
2024-09-30 $40,725,920 371,079
2024-06-30 $40,593,098 505,581
2024-03-31 $34,844,068 559,834
2023-12-31 $34,516,020 556,710
2023-09-30 $23,762,715 342,008
2023-06-30 $27,506,038 327,765
2023-03-31 $41,795,752 506,247
2022-12-31 $29,951,383 587,743
2022-09-30 $42,080,408 598,328
2022-06-30 $51,448,132 779,163
2022-03-31 $67,351,374 1,217,707
2021-12-31 $63,934,407 2,213,029
2021-09-30 $67,570,397 2,631,246
2021-06-30 $154,784 5,600