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Lantheus Ownership | Who Owns Lantheus?

OverviewForecastRevenueFinancialsChartTranscripts

Lantheus Ownership Summary

Lantheus is owned by 117.12% institutional investors, 2.08% insiders. Blackrock funding, inc. /de is the largest institutional shareholder, holding 12.97% of LNTH shares. Avantis US Small Cap Value ETF is the top mutual fund, with 4.10% of its assets in Lantheus shares.

LNTH Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockLantheus117.12%2.08%-19.20%
SectorHealthcare Stocks 50.47%12.28%37.25%
IndustrySpecialty & Generic Drug Manufacturers Stocks33.00%14.24%52.75%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock funding, inc. /de8.40M12.97%$931.63M
Blackrock8.60M12.50%$690.17M
Vanguard group6.70M9.96%$445.84M
Farallon capital management5.58M8.63%$619.43M
Janus henderson group4.77M7.08%$362.17M
Fmr3.88M5.99%$430.44M
Vanguard capital management2.93M4.53%$325.30M
American century companies2.82M4.35%$312.47M
State street2.50M3.86%$277.43M
Price t rowe associates inc /md/1.90M2.94%$211.16M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Sarissa capital management lp166.92K10.41%$18.52M
Brigade capital management, lp328.75K6.83%$36.48M
Summit street capital management400.70K6.24%$44.45M
Polaris capital management424.50K4.44%$47.09M
Reinhart partners1.60M4.05%$177.44M
Private capital management358.22K3.50%$39.74M
Lion point capital, lp5.50K2.92%$610.17K
Farallon capital management5.58M2.86%$619.43M
Expect equity32.07K2.29%$3.56M
1492 capital management65.44K2.14%$7.26M

Top Buyers

HolderShares% AssetsChange
Citadel advisors1.38M0.02%1.09M
American century companies2.82M0.14%1.04M
Price t rowe associates inc /md/1.90M0.02%983.62K
Sixth street partners management company665.46K0.01%665.46K
Norges bank586.85K0.01%586.85K

Top Sellers

HolderShares% AssetsChange
Westfield capital management co lp---1.50M
Janus henderson group4.77M0.18%-932.41K
Fmr3.88M0.02%-746.48K
Mackenzie financial---714.56K
Freestone grove partners lp---608.53K

New Positions

HolderShares% AssetsChangeValue
Sixth street partners management company665.46K0.01%665.46K$73.83M
Norges bank586.85K0.01%586.85K$65.10M
Holocene advisors, lp546.96K0.14%546.96K$60.68M
Penn capital management company153.88K1.08%153.88K$17.09M
Pfm health sciences, lp146.40K1.39%146.40K$16.24M

Sold Out

HolderChange
True wealth design-1.00
Manchester capital management-1.00
Claris advisors, llc / mo /-1.00
Kingdom financial group llc.-1.00
Lloyd advisory services, llc.-1.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 202647113.49%75,818,4144.33%1170.93%24916.36%1437.52%
Mar 31, 2026219-45.39%18,820,727-72.86%270.26%114-37.70%68-56.69%
Dec 31, 2025139-67.97%11,018,815-84.63%160.15%56-69.40%56-69.40%
Sep 30, 2025181-63.73%17,455,107-78.58%250.18%68-72.13%87-49.71%
Jun 30, 2025487-9.81%82,059,6234.11%1190.91%238-14.70%170-6.59%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Avantis US Small Cap Value ETF2.67M4.10%46.95K
iShares Core S&P Mid-Cap ETF2.24M3.43%69.00
Vanguard US Total Market Shares ETF2.22M3.24%1.63K
Vanguard Morn Total Stk Mkt Idx Investor2.07M3.17%10.64K
Vanguard Total Stock Mkt Idx Inv2.07M3.17%10.64K
iShares Russell 2000 ETF1.65M2.53%-29.38K
Vanguard Small Cap Index1.49M2.29%7.00K
Carmignac Investissement A EUR Acc1.25M1.92%-
Janus Henderson Enterprise D1.13M1.74%-
Janus Inst Mid Cap Growth CF1.13M1.74%-

Recent Insider Transactions

DateNameRoleActivityValue
Aug 19, 2025PATEL RAJIV A Member of a Group Owning 10%Sell$2.27M
Aug 20, 2025PATEL RAJIV A Member of a Group Owning 10%Sell$188.94M
Aug 20, 2025FARALLON PARTNERS L L C/CA Member of a Group Owning 10%Sell$188.94M
Aug 19, 2025FARALLON PARTNERS L L C/CA Member of a Group Owning 10%Sell$2.27M
Aug 13, 2025Blanchfield Paul PresidentSell$163.92K

Insider Transactions Trends

DateBuySell
2026 Q1--
2025 Q4--
2025 Q3-5
2025 Q2-9
2025 Q1-9

LNTH Ownership FAQ

Who Owns Lantheus?

Lantheus shareholders are primarily institutional investors at 117.12%, followed by 2.08% insiders and -19.20% retail investors. The average institutional ownership in Lantheus's industry, Specialty & Generic Drug Manufacturers Stocks, is 33.00%, which Lantheus exceeds.

Who owns the most shares of Lantheus?

Lantheus’s largest shareholders are Blackrock funding, inc. /de (8.4M shares, 12.97%), Blackrock (8.6M shares, 12.50%), and Vanguard group (6.7M shares, 9.96%). Together, they hold 35.44% of Lantheus’s total shares outstanding.

Does Blackrock own Lantheus?

Yes, BlackRock owns 12.50% of Lantheus, totaling 8.6M shares as of Jun 2024. This represents 0.02% of BlackRock's total assets, with a market value of 690.17M$. In the last quarter, BlackRock increased its holdings by 163.6K shares, a 1.94% change.

Who is Lantheus’s biggest shareholder by percentage of total assets invested?

Sarissa capital management lp is Lantheus’s biggest shareholder by percentage of total assets invested, with 10.41% of its assets in 166.92K Lantheus shares, valued at 18.52M$.

Who is the top mutual fund holder of Lantheus shares?

Avantis US Small Cap Value ETF is the top mutual fund holder of Lantheus shares, with 4.10% of its total shares outstanding invested in 2.67M Lantheus shares.

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