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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
Ameritas Investment Partners, Inc.17,912$1.99M0.05%+318+1.8%Added
Arizona State Retirement System17,964$1.99M0.01%−251−1.4%Reduced
Portland Investment Counsel Inc.18,000$2.00M0.56%00.0%Unchanged
Steward Partners Investment Advisory, LLC18,033$2.00M0.01%+5,651+45.6%Added
Captrust Financial Advisors18,320$2.03M0.00%+235+1.3%Added
Janney Montgomery Scott LLC18,456$2.05M0.00%−86−0.5%Reduced
Yousif Capital Management, LLC18,586$2.06M0.02%−1,406−7.0%Reduced
STRS Ohio18,600$2.06M0.01%+13,600+272.0%Added
Integrated Wealth Concepts LLC18,709$2.08M0.01%+1,170+6.7%Added
Natixis Advisors, L.P.18,974$2.10M0.00%−2,048−9.7%Reduced
South Dakota Investment Council19,052$2.11M0.04%−307−1.6%Reduced
Louisiana State Employees Retirement System19,100$2.12M0.03%−100−0.5%Reduced
Police & Firemen's Retirement System of New Jersey19,272$2.14M0.02%+1,653+9.4%Added
Hancock Whitney Corp19,667$2.18M0.04%+98+0.5%Added
Linden Thomas Advisory Services, LLC19,695$2.18M0.18%−30−0.2%Reduced
New Age Alpha Advisors, LLC19,974$2.22M0.09%+7,589+61.3%Added
Chase Investment Counsel Corp20,000$2.22M0.47%00.0%Unchanged
HSBC Holdings PLC20,539$2.27M0.00%+20,539New
LPL Financial LLC20,896$2.32M0.00%−38,620−64.9%Reduced
State of New Jersey Common Pension Fund D21,830$2.42M0.01%−8,901−29.0%Reduced
Caxton Associates LLP21,854$2.42M0.05%+21,854New
Toroso Investments, LLC22,466$2.49M0.01%−9,099−28.8%Reduced
Oppenheimer Asset Management Inc.22,842$2.53M0.03%−1,663−6.8%Reduced
Cresset Asset Management, LLC23,185$2.57M0.01%+12,613+119.3%Added
Handelsbanken Fonder AB23,600$2.62M0.01%−4,000−14.5%Reduced
Gabelli Funds LLC24,000$2.66M0.02%00.0%Unchanged
Cookson Peirce & Co Inc24,060$2.67M0.09%+24,060New
Gotham Asset Management, LLC24,228$2.69M0.01%+768+3.3%Added
Formula Growth Ltd25,131$2.79M0.98%+9,131+57.1%Added
Vanguard Global Advisers, LLC25,208$2.80M0.00%−15,926−38.7%Reduced
Susquehanna International Group, LLP25,425$2.82M0.00%+1,640+6.9%Added
Arrowstreet Capital, Limited Partnership26,886$2.98M0.00%+26,886New
Royal Bank of Canada27,040$3.00M0.00%+5,810+27.4%Added
Fred Alger Management, LLC27,172$3.01M0.01%−109,082−80.1%Reduced
Amalgamated Bank27,649$3.07M0.02%−1,041−3.6%Reduced
Acadian Asset Management LLC28,383$3.14M0.00%+26,420+1,345.9%Added
Longaeva Partners L.P.29,051$3.22M0.09%−354,894−92.4%Reduced
Baird Financial Group, Inc.29,356$3.26M0.00%+6,013+25.8%Added
Barclays PLC29,697$3.29M0.00%−75,439−71.8%Reduced
State of Tennessee, Treasury Department30,201$3.35M0.01%−543−1.8%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)30,555$3.39M0.01%−259−0.8%Reduced
KLP Kapitalforvaltning AS31,223$3.46M0.01%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.31,553$3.50M0.00%−859−2.7%Reduced
Expect Equity LLC32,073$3.56M2.29%00.0%Unchanged
Silverberg Bernstein Capital Management LLC32,179$3.57M1.37%00.0%Unchanged
RE Advisers Corp33,600$3.73M0.09%−4,300−11.3%Reduced
Franklin Resources Inc33,830$3.75M0.00%−37,954−52.9%Reduced
Lazard Asset Management LLC34,396$3.82M0.01%+31,923+1,290.9%Added
Teachers Retirement System of the State of Kentucky36,671$4.07M0.03%+3,407+10.2%Added
Great Lakes Advisors, LLC36,680$4.07M0.03%−2,980−7.5%Reduced
Campbell Newman Asset Management Inc36,813$4.08M0.30%+1,607+4.6%Added
E. Ohman J:or Asset Management AB36,937$4.10M0.10%00.0%Unchanged
Great West Life Assurance Co38,087$4.22M0.01%−262−0.7%Reduced
Heron Bay Capital Management39,362$4.37M0.40%+8,370+27.0%Added
Harbor Capital Advisors, Inc.39,698$4.40M0.30%+966+2.5%Added
Oak Associates, Ltd40,082$4.45M0.25%00.0%Unchanged
Kornitzer Capital Management Inc40,385$4.48M0.09%00.0%Unchanged
Nordea Investment Management AB40,566$4.50M0.00%−535−1.3%Reduced
Stifel Financial Corp41,124$4.56M0.00%−2,187−5.0%Reduced
Woodline Partners LP42,382$4.70M0.01%00.0%Unchanged
Federated Hermes, Inc.42,909$4.76M0.01%+4,405+11.4%Added
Isthmus Partners, LLC43,474$4.82M0.47%+289+0.7%Added
Rice Hall James & Associates, LLC43,735$4.85M0.24%−3,115−6.6%Reduced
SkyOak Wealth, LLC44,419$4.93M0.81%−19,865−30.9%Reduced
Intech Investment Management LLC44,458$4.93M0.05%−368−0.8%Reduced
State Board of Administration of Florida Retirement System45,365$5.03M0.01%−5,906−11.5%Reduced
Mutual of America Capital Management LLC46,852$5.20M0.05%−3,087−6.2%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH48,508$5.38M0.01%−10,210−17.4%Reduced
Lido Advisors, LLC49,202$5.46M0.02%−7,653−13.5%Reduced
Man Group plc54,815$6.08M0.01%−3,316−5.7%Reduced
Danske Bank A/S60,756$6.74M0.01%+60,756New
Vanguard Asset Management, Ltd61,298$6.80M0.00%+234+0.4%Added
Manufacturers Life Insurance Company, The61,716$6.85M0.01%−7,465−10.8%Reduced
Cambridge Investment Research Advisors, Inc.64,199$7.12M0.02%−5,652−8.1%Reduced
1492 Capital Management LLC65,439$7.26M2.14%+38,015+138.6%Added
Envestnet Asset Management Inc65,841$7.30M0.00%+5,465+9.1%Added
Bridgewater Associates, LP65,941$7.32M0.03%+22,221+50.8%Added
New York State Teachers Retirement System66,330$7.36M0.01%−5,426−7.6%Reduced
Colony Group, LLC67,843$7.53M0.01%−4,674−6.4%Reduced
Stanley-Laman Group, Ltd.67,964$7.54M0.77%−17,510−20.5%Reduced
MetLife Investment Management68,281$7.58M0.03%+1,193+1.8%Added
California State Teachers Retirement System76,025$8.43M0.01%−2,182−2.8%Reduced
LSV Asset Management76,400$8.48M0.02%00.0%Unchanged
First Trust Advisors LP77,457$8.59M0.01%+17,199+28.5%Added
Amundi82,089$9.11M0.00%+3,633+4.6%Added
Creative Planning85,571$9.49M0.01%+5,279+6.6%Added
Legal & General Group Plc88,207$9.79M0.00%−6,759−7.1%Reduced
Alliancebernstein L.P.133,938$10.2M0.00%−373−0.3%Reduced
SEI Investments Co98,305$10.9M0.01%+12,955+15.2%Added
FIL Ltd114,279$12.7M0.01%−102,390−47.3%Reduced
State of Wisconsin Investment Board115,962$12.9M0.03%−10,475−8.3%Reduced
New York State Common Retirement Fund127,334$14.1M0.02%+106,803+520.2%Added
California Public Employees Retirement System130,421$14.5M0.01%−1,355−1.0%Reduced
Swiss National Bank130,654$14.5M0.01%−500−0.4%Reduced
Defilade Capital Management, L.P.132,662$14.7M1.97%−116,739−46.8%Reduced
Thompson Siegel & Walmsley LLC138,733$15.4M0.28%−38,234−21.6%Reduced
Hotchkis & Wiley Capital Management LLC139,177$15.4M0.05%−47,020−25.3%Reduced
Loomis Sayles & Co L P141,424$15.7M0.02%+1,637+1.2%Added
PFM Health Sciences, LP146,403$16.2M1.41%+146,403New
Russell Investments Group, Ltd.147,146$16.3M0.01%+15,602+11.9%Added