LNTHLantheus Holdings, Inc.

$100.15+99% 1Y

Who owns LNTH

459 institutions reported holding LNTH for 2026Q2, together 114% of the company, more than the 396 a quarter earlier.

459

Institutions reporting a position · as of 2026Q2 · up from 396 the quarter before

Shares held by institutions
75.2M

Shares held by institutions · 114% of the company · long US equity positions only, as reported on Form 13F

Reported value
$8.33B

Reported value · at Jun 30, 2026 prices, not today's

Opened vs closed
97 / 35

Opened vs closed · new positions against positions exited in the latest quarter

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
45
New positions
97
Positions exited
35
Added to
139
Reduced
130
Shares sold shortsettled Sep 15, 2026
4.0M
Short interestof shares outstanding
6.1%
Days to coverat the average daily volume
4.1
Change in the short positionsince the Aug 31, 2026 count
−4.7%
Institutional ownership by quarter, 2015Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q245975.2M$8.33B
2026Q139672.6M$5.50B
2025Q438469.3M$4.61B
2025Q341471.2M$3.65B
2025Q246880.8M$6.61B
2025Q151977.6M$7.56B
2024Q448274.5M$6.66B
2024Q349370.3M$7.70B
2024Q245168.2M$5.48B
2024Q140167.2M$4.18B
2023Q439569.4M$4.30B
2023Q339570.3M$4.88B
2023Q242967.9M$5.69B
2023Q138467.5M$5.53B
2022Q436566.1M$3.36B
2022Q335267.5M$4.74B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.8.4Mn/a$932M
VANGUARD GROUP INC6.7Mn/a$749M
FARALLON CAPITAL MANAGEMENT LLC5.6Mn/a$619M
Jupiter Topco LLC5.2Mn/a$576M
FMR LLC3.9Mn/a$430M
AMERICAN CENTURY COMPANIES INC2.8Mn/a$312M
STATE STREET CORP2.5Mn/a$277M
PRICE T ROWE ASSOCIATES INC /MD/1.9Mn/a$211M
GEODE CAPITAL MANAGEMENT LLC1.8Mn/a$204M
MORGAN STANLEY1.7Mn/a$192M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20264.0M6.1%4.1
Aug 31, 20264.2M6.4%3.1
Aug 14, 20265.1M7.8%1.8
Jul 31, 20266.3M9.6%6.6
Jul 15, 20266.4M9.7%7.9
Jun 30, 20266.3M9.6%5.5
Jun 15, 20266.1M9.2%7.3
May 29, 20265.5M8.3%4.3
May 15, 20266.4M9.8%5.8
Apr 30, 20265.7M8.6%8.4
Apr 15, 20265.1M7.8%7.5
Mar 31, 20265.4M8.1%5.3

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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