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Lantheus Holdings, Inc.

LNTH
Exchange
Nasdaq
Industry
In Vitro & In Vivo Diagnostic Substances
SEC CIK
0001521036

No open-market purchases or sales by Lantheus Holdings, Inc. insiders were filed in the last 90 days; 467 institutions reported holding it in 13F filings for Q2 2026, worth $8.34B in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in Lantheus Holdings, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
467
+64 vs. Q1 2026
Shares held
75.2M
+7.34M (+10.8%) vs. Q1 2026
Total value
$8.34B
+$3.19B (+62.1%) vs. Q1 2026
New holders
95
152 more added
Sold out
31
144 more reduced

5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting LNTH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 467 institutions
Q1 2021: 161 institutionsQ2 2021: 192 institutionsQ3 2021: 181 institutionsQ4 2021: 197 institutionsQ1 2022: 276 institutionsQ2 2022: 323 institutionsQ3 2022: 353 institutionsQ4 2022: 366 institutionsQ1 2023: 388 institutionsQ2 2023: 433 institutionsQ3 2023: 401 institutionsQ4 2023: 401 institutionsQ1 2024: 409 institutionsQ2 2024: 454 institutionsQ3 2024: 503 institutionsQ4 2024: 489 institutionsQ1 2025: 526 institutionsQ2 2025: 477 institutionsQ3 2025: 420 institutionsQ4 2025: 393 institutionsQ1 2026: 408 institutionsQ2 2026: 467 institutions
Value heldQ2 2026: $8.34B
Q1 2021: $1.31BQ2 2021: $1.77BQ3 2021: $1.62BQ4 2021: $1.87BQ1 2022: $3.67BQ2 2022: $4.44BQ3 2022: $4.74BQ4 2022: $3.36BQ1 2023: $5.54BQ2 2023: $5.71BQ3 2023: $4.90BQ4 2023: $4.31BQ1 2024: $4.19BQ2 2024: $5.49BQ3 2024: $7.72BQ4 2024: $6.69BQ1 2025: $7.58BQ2 2025: $6.63BQ3 2025: $3.66BQ4 2025: $4.62BQ1 2026: $5.51BQ2 2026: $8.34B
Institutions holding LNTH and their total value by quarter
QuarterHoldersValue
Q2 2026467$8.34B
Q1 2026408$5.51B
Q4 2025393$4.62B
Q3 2025420$3.66B
Q2 2025477$6.63B
Q1 2025526$7.58B
Q4 2024489$6.69B
Q3 2024503$7.72B
Q2 2024454$5.49B
Q1 2024409$4.19B
Q4 2023401$4.31B
Q3 2023401$4.90B
Q2 2023433$5.71B
Q1 2023388$5.54B
Q4 2022366$3.36B
Q3 2022353$4.74B
Q2 2022323$4.44B
Q1 2022276$3.67B
Q4 2021197$1.87B
Q3 2021181$1.62B
Q2 2021192$1.77B
Q1 2021161$1.31B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Lantheus Holdings, Inc.; share changes are against Q1 2026.

Institutions holding LNTH in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
CWM, LLC––––Not filed
Sunbelt Securities, Inc.––––Not filed
USA Financial Portformulas Corp––––Not filed