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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, Q3 2025

Institutional positions in Lantheus Holdings, Inc. as of Sep 30, 2025. 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
420
−51 vs. Q2 2025
Shares held
71.3M
−9.34M (−11.6%) vs. Q2 2025
Total value
$3.66B
−$2.94B (−44.6%) vs. Q2 2025
New holders
76
103 more added
Sold out
127
188 more reduced

6 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: 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 holdersQ3 2025: 420 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 heldQ3 2025: $3.66B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Lantheus Holdings, Inc.; share changes are against Q2 2025.

Institutions holding LNTH in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.8,265,745$424.0M0.01%−267,690−3.1%Reduced
Vanguard Group Inc6,952,418$356.6M0.01%+115,338+1.7%Added
Janus Henderson Group PLC6,684,737$342.9M0.16%−254,247−3.7%Reduced
FMR LLC4,198,972$215.4M0.01%−820,140−16.3%Reduced
Morgan Stanley3,878,152$198.9M0.01%+3,137,343+423.5%Added
Farallon Capital Management, L.L.C.3,477,227$178.3M1.01%−3,245,000−48.3%Reduced
State Street Corp2,497,026$128.1M0.00%−61,593−2.4%Reduced
Geode Capital Management, LLC1,754,504$90.0M0.01%−22,431−1.3%Reduced
Dimensional Fund Advisors LP1,371,089$70.3M0.02%−12,042−0.9%Reduced
Reinhart Partners, Inc.1,347,756$69.1M2.25%−55,903−4.0%Reduced
Assenagon Asset Management S.A.1,280,054$65.7M0.10%+1,280,054New
Swedbank AB1,228,743$63.0M0.06%00.0%Unchanged
Macquarie Group Ltd1,039,477$53.3M0.06%−82,899−7.4%Reduced
Northern Trust Corp844,238$43.3M0.01%−21,765−2.5%Reduced
Price T Rowe Associates Inc811,910$41.6M0.00%−221,467−21.4%Reduced
Carmignac Gestion807,409$41.4M0.62%+510,409+171.9%Added
TD Asset Management Inc790,950$40.6M0.03%+158,358+25.0%Added
JPMorgan Chase & Co781,834$40.1M0.00%−113,879−12.7%Reduced
Wellington Management Group LLP771,968$39.6M0.01%−947,367−55.1%Reduced
Invesco Ltd.732,957$37.6M0.01%−950,761−56.5%Reduced
American Century Companies Inc721,422$37.0M0.02%+139,358+23.9%Added
BNP Paribas Arbitrage, SA659,304$33.8M0.03%+195,936+42.3%Added
Polaris Capital Management, LLC637,300$32.7M2.15%+637,300New
Charles Schwab Investment Management Inc629,774$32.3M0.01%−204,673−24.5%Reduced
William Blair Investment Management, LLC574,681$29.5M0.08%+183,059+46.7%Added
Private Capital Management, LLC560,664$28.8M2.66%+17,025+3.1%Added
Goldman Sachs Group Inc557,440$28.6M0.00%+28,658+5.4%Added
Citadel Advisors LLC519,379$26.6M0.02%+282,312+119.1%Added
Bank of America Corp517,812$26.6M0.00%−101,527−16.4%Reduced
Mackenzie Financial Corp501,593$25.7M0.03%+2,950+0.6%Added
Bank of New York Mellon Corp487,825$25.0M0.00%−49,291−9.2%Reduced
Silvercrest Asset Management Group LLC469,462$24.1M0.16%−546,946−53.8%Reduced
Epoch Investment Partners, Inc.455,855$23.4M0.13%+115,428+33.9%Added
UBS Asset Management Americas Inc448,452$23.0M0.00%+189,814+73.4%Added
Millennium Management LLC443,466$22.7M0.02%+351,257+380.9%Added
Pacer Advisors, Inc.422,180$21.7M0.06%+74,272+21.3%Added
Artisan Partners Limited Partnership403,994$20.7M0.03%−13,950−3.3%Reduced
Loomis Sayles & Co L P327,641$16.8M0.02%−25,363−7.2%Reduced
UBS Group AG321,142$16.5M0.00%−329,502−50.6%Reduced
Brigade Capital Management, LP316,345$16.2M8.95%+173,200+121.0%Added
Portolan Capital Management, LLC297,208$15.2M0.82%+42,731+16.8%Added
Bridgewater Associates, LP296,918$15.2M0.06%−100,934−25.4%Reduced
Thompson Siegel & Walmsley LLC274,194$14.1M0.23%+127,196+86.5%Added
Jane Street Group, LLC270,695$13.9M0.02%+266,185+5,902.1%Added
Ameriprise Financial Inc249,864$12.8M0.00%+30,706+14.0%Added
Lazard Asset Management LLC236,583$12.1M0.02%−162,321−40.7%Reduced
Hotchkis & Wiley Capital Management LLC223,096$11.4M0.04%+223,096New
Rhumbline Advisers214,152$11.0M0.01%−6,264−2.8%Reduced
Principal Financial Group Inc206,472$10.6M0.01%+10,722+5.5%Added
Deutsche Bank AG197,615$10.1M0.00%−26,961−12.0%Reduced
New York State Common Retirement Fund195,214$10.0M0.01%+58,998+43.3%Added
Capital World Investors194,931$10.0M0.00%00.0%Unchanged
Keybank National Association187,026$9.59M0.03%−327,696−63.7%Reduced
Federated Hermes, Inc.185,462$9.51M0.02%−101,286−35.3%Reduced
Sarissa Capital Management LP181,450$9.31M5.16%+85,199+88.5%Added
Retirement Systems of Alabama174,913$8.97M0.03%−2,353−1.3%Reduced
Vestal Point Capital, LP170,000$8.72M0.40%+120,000+240.0%Added
Royal Bank of Canada163,803$8.40M0.00%−159,297−49.3%Reduced
Verition Fund Management LLC162,970$8.36M0.05%+131,585+419.3%Added
Barclays PLC162,731$8.35M0.00%−38,499−19.1%Reduced
Nuveen, LLC155,813$7.99M0.00%−62,384−28.6%Reduced
Wells Fargo & Company149,760$7.68M0.00%−37,579−20.1%Reduced
Legal & General Group Plc142,317$7.30M0.00%−10,149−6.7%Reduced
Victory Capital Management Inc140,335$7.20M0.00%+4,587+3.4%Added
Alliancebernstein L.P.138,784$7.12M0.00%−44,843−24.4%Reduced
Fisher Asset Management, LLC138,154$7.09M0.00%−10.0%Reduced
Jacobs Levy Equity Management, Inc136,924$7.02M0.03%+136,924New
Swiss National Bank134,154$6.88M0.00%+3,400+2.6%Added
State of Wisconsin Investment Board120,774$6.19M0.01%−5,625−4.5%Reduced
California Public Employees Retirement System120,627$6.19M0.00%+1,384+1.2%Added
Nearwater Capital Markets, Ltd119,600$6.13M0.08%+119,600New
Assetmark, Inc118,503$6.08M0.01%+19,844+20.1%Added
Raymond James Financial Inc113,367$5.81M0.00%−357,311−75.9%Reduced
Allspring Global Investments Holdings, LLC97,897$5.05M0.01%−92,908−48.7%Reduced
Two Sigma Investments, LP95,921$4.92M0.01%+95,921New
Envestnet Asset Management Inc94,231$4.83M0.00%−53,351−36.2%Reduced
LPL Financial LLC92,248$4.73M0.00%+1,826+2.0%Added
Bank Julius Baer & Co. Ltd, Zurich91,484$4.69M0.01%−1,260−1.4%Reduced
AQR Capital Management LLC86,238$4.35M0.00%+65,953+325.1%Added
Colony Group, LLC80,155$4.12M0.01%−772−1.0%Reduced
Phocas Financial Corp.80,138$4.11M0.53%+1,634+2.1%Added
Stanley-Laman Group, Ltd.79,686$4.09M0.58%+22,229+38.7%Added
Kornitzer Capital Management Inc79,320$4.07M0.08%00.0%Unchanged
LSV Asset Management76,400$3.92M0.01%−207,400−73.1%Reduced
Y-Intercept (Hong Kong) Ltd75,382$3.87M0.09%+75,382New
New York State Teachers Retirement System75,347$3.87M0.01%−8,265−9.9%Reduced
MetLife Investment Management73,806$3.79M0.02%−2,289−3.0%Reduced
Velan Capital Investment Management LP73,545$3.77M3.54%+73,545New
Franklin Resources Inc71,193$3.65M0.00%−255,420−78.2%Reduced
Manufacturers Life Insurance Company, The70,499$3.62M0.00%−22,364−24.1%Reduced
Russell Investments Group, Ltd.68,200$3.50M0.00%+21,919+47.4%Added
Lido Advisors, LLC67,158$3.44M0.01%−474−0.7%Reduced
Van Eck Associates Corp66,223$3.40M0.00%−3,161−4.6%Reduced
Winton Group Ltd65,125$3.34M0.13%+50,677+350.8%Added
Sector Gamma AS64,403$3.30M0.82%+14,102+28.0%Added
Cambridge Investment Research Advisors, Inc.64,341$3.30M0.01%+28,070+77.4%Added
California State Teachers Retirement System64,057$3.29M0.00%+30.0%Added
Man Group plc63,981$3.28M0.01%−150,591−70.2%Reduced
Intech Investment Management LLC63,372$3.25M0.03%−33,704−34.7%Reduced
Illinois Municipal Retirement Fund60,067$3.08M0.04%+28,138+88.1%Added