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LNTH Insider Trading

Insider Ownership Percentage: 1.70%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $0.00

Lantheus Insider Trading History Chart

This chart shows the insider buying and selling history at Lantheus by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Lantheus Share Price & Price History

Current Price: $100.84
Price Change: ▲ Price Increase of +0.3 (0.30%)
As of 09/17/2026 02:56 PM ET

This chart shows the closing price history over time for LNTH up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Lantheus Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
8/20/2025Farallon Partners L L C/CaInsiderSell3,365,000$56.15$188,944,750.003,477,227View SEC Filing Icon  
8/20/2025Rajiv A PatelInsiderSell3,365,000$56.15$188,944,750.003,477,227View SEC Filing Icon  
8/19/2025Farallon Partners L L C/CaInsiderSell41,000$55.34$2,268,940.006,842,227View SEC Filing Icon  
8/19/2025Rajiv A PatelInsiderSell41,000$55.34$2,268,940.006,842,227View SEC Filing Icon  
6/2/2025Mary Anne HeinoDirectorSell26,066$76.83$2,002,650.78318,650View SEC Filing Icon  
3/17/2025Robert J. Marshall, Jr.CFOSell10,000$100.52$1,005,200.00113,860View SEC Filing Icon  
3/13/2025Mary Anne HeinoDirectorSell2$100.13$200.268,618View SEC Filing Icon  
3/3/2025Mary Anne HeinoDirectorSell53,107$94.35$5,010,645.45440,399View SEC Filing Icon  
1/15/2025James H. ThrallDirectorSell1,000$94.76$94,760.0033,207View SEC Filing Icon  
8/12/2024Gerard BerDirectorSell15,500$96.48$1,495,440.0021,221View SEC Filing Icon  
8/8/2024Paul BlanchfieldPresidentSell2,000$96.39$192,780.0098,980View SEC Filing Icon  
8/2/2024Mary Anne HeinoDirectorSell10,481$95.50$1,000,935.50454,923View SEC Filing Icon  
7/15/2024Andrea SabensCAOSell341$123.15$41,994.1562,216View SEC Filing Icon  
7/10/2024Gary J. PrudenDirectorSell12,530$95.04$1,190,851.2011,978View SEC Filing Icon  
6/13/2024Andrea SabensCAOSell341$79.77$27,201.5762,557View SEC Filing Icon  
6/7/2024Mary Anne HeinoDirectorSell1$81.26$81.2637,719View SEC Filing Icon  
5/30/2024Daniel NiedzwieckiInsiderSell12,873$79.86$1,028,037.7880,244View SEC Filing Icon  
5/28/2024Heinz Christoph MaeusliDirectorSell18,373$79.19$1,454,957.8723,340View SEC Filing Icon  
5/13/2024Andrea SabensCAOSell341$76.89$26,219.4962,898View SEC Filing Icon  
4/15/2024Andrea SabensCAOSell341$61.24$20,882.8463,239View SEC Filing Icon  
3/6/2024Lantheus Alpha Therapy, LlcMajor ShareholderBuy60,431,039$0.95$57,409,487.05116,773,394View SEC Filing Icon  
3/4/2024Mary Anne HeinoDirectorSell93,863$65.31$6,130,192.53251,643View SEC Filing Icon  
2/13/2024Andrea SabensCAOSell341$55.31$18,860.7158,403View SEC Filing Icon  
1/16/2024Andrea SabensCAOSell341$56.01$19,099.4158,744View SEC Filing Icon  
11/16/2023Paul BlanchfieldPresidentSell1,500$67.96$101,940.0088,651View SEC Filing Icon  
11/13/2023Andrea SabensCAOSell341$63.57$21,677.3759,426View SEC Filing Icon  
11/13/2023Mary Anne HeinoCEOSell11,780$63.72$750,621.60317,687View SEC Filing Icon  
9/15/2023Daniel NiedzwieckiInsiderSell2,846$66.43$189,059.7866,295View SEC Filing Icon  
6/2/2023Minnie Baylor-HenryDirectorSell6$86.22$517.3216View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Lantheus (NASDAQ:LNTH)

99.06% of Lantheus stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at LNTH by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Lantheus Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026Sequoia Financial Advisors LLC3,794$0.42M0.0%-3.1%0.006%Search for SEC Filing on Google Icon
9/9/2026Tidal Investments LLC22,466$2.49M0.0%-28.8%0.034%Search for SEC Filing on Google Icon
9/9/2026Integrated Wealth Concepts LLC18,709$2.08M0.0%+6.7%0.029%Search for SEC Filing on Google Icon
9/9/2026Baird Financial Group Inc.29,356$3.26M0.0%+25.8%0.045%Search for SEC Filing on Google Icon
9/8/2026Arizona State Retirement System17,964$1.99M0.0%-1.4%0.028%Search for SEC Filing on Google Icon
9/8/2026Carmignac Gestion1,340,100$148.67M1.9%+0.9%2.053%Search for SEC Filing on Google Icon
8/27/2026Corient Private Wealth LP2,612$0.29M0.0%N/A0.004%Search for SEC Filing on Google Icon
8/26/2026HighTower Advisors LLC5,130$0.57M0.0%-39.7%0.008%Search for SEC Filing on Google Icon
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al9,033$1M0.0%N/A0.014%Search for SEC Filing on Google Icon
8/22/2026AlphaGrep UK Ltd3,674$0.41M0.1%N/A0.006%Search for SEC Filing on Google Icon
8/22/2026Three Seasons Wealth LLC15,333$1.70M0.2%+13.6%0.023%Search for SEC Filing on Google Icon
8/22/2026denkapparat Operations GmbH9,416$1.05M0.3%N/A0.014%Search for SEC Filing on Google Icon
8/21/2026SkyOak Wealth LLC44,419$4.93M0.8%-30.9%0.068%Search for SEC Filing on Google Icon
8/20/2026Cookson Peirce & Co. Inc.24,060$2.67M0.1%N/A0.037%Search for SEC Filing on Google Icon
8/20/2026Penn Capital Management Company LLC153,877$17.09M1.1%N/A0.236%Search for SEC Filing on Google Icon
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC482,743$53.56M0.0%-0.8%0.740%Search for SEC Filing on Google Icon
8/19/2026Hsbc Holdings PLC20,539$2.27M0.0%N/A0.031%Search for SEC Filing on Google Icon
8/18/2026Empowered Funds LLC2,434$0.27M0.0%N/A0.004%Search for SEC Filing on Google Icon
8/18/2026Equitable Holdings Inc.2,202$0.24M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/18/2026Centaurus Financial Inc.6,015$0.67M0.0%N/A0.009%Search for SEC Filing on Google Icon
8/18/2026Formula Growth Ltd.25,131$2.79M1.0%N/A0.039%Search for SEC Filing on Google Icon
8/18/2026Jefferies Financial Group Inc.8,234$0.91M0.0%N/A0.013%Search for SEC Filing on Google Icon
8/18/2026Public Employees Retirement System of Ohio2,185$0.24M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/17/2026Corient Private Wealth LP2,736$0.30M0.0%N/A0.004%Search for SEC Filing on Google Icon
8/15/2026Summit Street Capital Management LLC400,699$44.45M6.2%N/A0.614%Search for SEC Filing on Google Icon
8/15/2026Jupiter Topco LLC5,188,416$575.63M0.2%N/A7.949%Search for SEC Filing on Google Icon
8/15/2026ABS Investment Management LLC111$232.97M0.2%N/A0.000%Search for SEC Filing on Google Icon
8/14/2026Hsbc Holdings PLC20,539$2.27M0.0%N/A0.031%Search for SEC Filing on Google Icon
8/14/2026EFG International AG900$100K0.0%N/A0.001%Search for SEC Filing on Google Icon
8/14/2026Expect Equity LLC32,073$3.56M2.3%N/A0.049%Search for SEC Filing on Google Icon
8/14/2026Legal & General Group Plc88,207$9.79M0.0%N/A0.135%Search for SEC Filing on Google Icon
8/14/2026The Manufacturers Life Insurance Company61,716$6.85M0.0%N/A0.095%Search for SEC Filing on Google Icon
8/14/2026Algert Global LLC2,250$0.25M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/13/2026Portland Investment Counsel Inc.18,000$2M0.6%N/A0.028%Search for SEC Filing on Google Icon
8/13/2026Sanctuary Advisors LLC3,519$0.39M0.0%N/A0.005%Search for SEC Filing on Google Icon
8/12/2026Evolve Private Wealth LLC3,944$0.44M0.0%N/A0.006%Search for SEC Filing on Google Icon
8/12/2026William Blair Investment Management LLC232,597$25.80M0.1%N/A0.356%Search for SEC Filing on Google Icon
8/12/2026Heron Bay Capital Management39,362$4.37M0.4%N/A0.060%Search for SEC Filing on Google Icon
8/11/2026Keating Financial Advisory Services Inc.3,639$0.40M0.1%N/A0.006%Search for SEC Filing on Google Icon
8/11/2026Allworth Financial LP440$49K0.0%N/A0.001%Search for SEC Filing on Google Icon
8/11/2026Vise Technologies Inc.4,532$0.50M0.0%N/A0.007%Search for SEC Filing on Google Icon
8/10/2026Great Lakes Advisors LLC36,680$4.07M0.0%N/A0.056%Search for SEC Filing on Google Icon
8/10/2026Danske Bank A S2,965$0.33M0.0%N/A0.005%Search for SEC Filing on Google Icon
8/10/2026Danske Bank A S57,791$6.41M0.0%N/A0.089%Search for SEC Filing on Google Icon
8/7/2026Deutsche Bank AG248,743$27.60M0.0%N/A0.382%Search for SEC Filing on Google Icon
8/7/2026Perigon Wealth Management LLC3,524$0.39M0.0%N/A0.005%Search for SEC Filing on Google Icon
8/7/2026Rice Hall James & Associates LLC43,735$4.85M0.2%N/A0.067%Search for SEC Filing on Google Icon
8/7/2026Persistent Asset Partners Ltd3,903$0.43M0.1%N/A0.006%Search for SEC Filing on Google Icon
8/7/2026Chase Investment Counsel Corp20,000$2.22M0.5%N/A0.031%Search for SEC Filing on Google Icon
8/7/2026N.E.W. Advisory Services LLC1,670$0.19M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/6/2026Global Retirement Partners LLC643$71K0.0%N/A0.001%Search for SEC Filing on Google Icon
8/6/2026State of Wyoming3,305$0.37M0.0%N/A0.005%Search for SEC Filing on Google Icon
8/6/2026GSA Capital Partners LLP3,121$0.35M0.0%N/A0.005%Search for SEC Filing on Google Icon
7/10/2026Handelsbanken Fonder AB23,600$2.62M0.0%-14.5%0.036%Search for SEC Filing on Google Icon
7/9/2026Focus Financial Network Inc.2,242$0.25M0.0%N/A0.003%Search for SEC Filing on Google Icon
7/8/2026Reinhart Partners LLC.1,599,379$177.44M4.1%+2.2%2.456%Search for SEC Filing on Google Icon
7/8/2026Assenagon Asset Management S.A.714,980$79.32M0.1%+440.3%1.098%Search for SEC Filing on Google Icon
7/7/2026GAMMA Investing LLC3,348$0.37M0.0%+6.4%0.005%Search for SEC Filing on Google Icon
7/2/2026Versant Capital Management Inc588$65K0.0%+33.0%0.001%Search for SEC Filing on Google Icon
6/18/2026Pacer Advisors Inc.7,704$0.58M0.0%-97.0%0.012%Search for SEC Filing on Google Icon
6/16/2026Empowered Funds LLC11,979$0.91M0.0%N/A0.018%Search for SEC Filing on Google Icon
6/15/2026Carmignac Gestion1,328,000$100.73M1.5%+18.4%2.040%Search for SEC Filing on Google Icon
6/12/2026Defilade Capital Management L.P.249,401$18.92M2.7%N/A0.383%Search for SEC Filing on Google Icon
6/3/2026Parallel Advisors LLC1,060$80K0.0%+95.9%0.002%Search for SEC Filing on Google Icon
5/27/2026Allen Capital Group LLC3,290$0.25M0.0%N/A0.005%Search for SEC Filing on Google Icon
5/19/2026Western Wealth Management LLC335$25K0.0%N/A0.001%Search for SEC Filing on Google Icon
5/19/2026Janus Henderson Group PLC4,774,841$362.17M0.2%-16.3%7.333%Search for SEC Filing on Google Icon
5/19/2026Centaurus Financial Inc.6,621$0.50M0.0%-7.9%0.010%Search for SEC Filing on Google Icon
5/18/2026EverSource Wealth Advisors LLC1,396$0.11M0.0%+157.1%0.002%Search for SEC Filing on Google Icon
5/18/2026California State Teachers Retirement System78,207$5.93M0.0%+22.3%0.120%Search for SEC Filing on Google Icon
5/18/2026Empowered Funds LLC11,979$0.91M0.0%N/A0.018%Search for SEC Filing on Google Icon
5/16/2026The Manufacturers Life Insurance Company69,181$5.25M0.0%+4.4%0.106%Search for SEC Filing on Google Icon
5/16/2026Quantinno Capital Management LP9,772$0.74M0.0%+58.4%0.015%Search for SEC Filing on Google Icon
5/15/2026Rice Hall James & Associates LLC46,850$3.55M0.2%+4.9%0.072%Search for SEC Filing on Google Icon
5/15/2026Epoch Investment Partners Inc.649,751$49.28M0.3%+59.4%0.998%Search for SEC Filing on Google Icon
5/14/2026Healthcare of Ontario Pension Plan Trust Fund598,857$45.42M0.1%+686.1%0.920%Search for SEC Filing on Google Icon
5/14/2026Renaissance Technologies LLC77,182$5.85M0.0%+1.8%0.119%Search for SEC Filing on Google Icon
5/14/2026Oak Associates Ltd. OH40,082$3.04M0.2%+2.3%0.062%Search for SEC Filing on Google Icon
5/14/2026Inceptionr LLC6,695$0.51M0.1%+113.4%0.010%Search for SEC Filing on Google Icon
5/14/2026Lido Advisors LLC56,855$4.31M0.0%-8.6%0.087%Search for SEC Filing on Google Icon
5/13/2026First Trust Advisors LP60,258$4.57M0.0%+287.6%0.093%Search for SEC Filing on Google Icon
5/8/2026PNC Financial Services Group Inc.3,346$0.25M0.0%+18.5%0.005%Search for SEC Filing on Google Icon
5/7/2026Dimensional Fund Advisors LP1,379,570$104.63M0.0%-2.5%2.119%Search for SEC Filing on Google Icon
5/7/2026Parallel Advisors LLC1,060$80K0.0%+95.9%0.002%Search for SEC Filing on Google Icon
5/7/2026Swiss National Bank131,154$9.95M0.0%-2.2%0.201%Search for SEC Filing on Google Icon
5/7/2026Crescent Grove Advisors LLC16,907$1.28M0.1%-19.8%0.026%Search for SEC Filing on Google Icon
5/6/2026California Public Employees Retirement System131,776$10M0.0%+10.1%0.202%Search for SEC Filing on Google Icon
5/6/2026Assetmark Inc.22,495$1.71M0.0%-81.0%0.035%Search for SEC Filing on Google Icon
5/6/2026Bessemer Group Inc.514$39K0.0%+221.3%0.001%Search for SEC Filing on Google Icon
5/6/2026Allspring Global Investments Holdings LLC8,753$0.66M0.0%-16.4%0.013%Search for SEC Filing on Google Icon
5/5/2026Three Seasons Wealth LLC13,495$1.02M0.4%+40.5%0.021%Search for SEC Filing on Google Icon
5/5/2026Harel Insurance Investments & Financial Services Ltd.2,309$0.18M0.0%-10.5%0.004%Search for SEC Filing on Google Icon
5/5/2026Sanctuary Advisors LLC3,529$0.27M0.0%-44.7%0.005%Search for SEC Filing on Google Icon
5/4/2026Bleakley Financial Group LLC13,951$1.06M0.0%+20.4%0.021%Search for SEC Filing on Google Icon
5/4/2026State of Michigan Retirement System16,000$1.21M0.0%+1.9%0.025%Search for SEC Filing on Google Icon
5/4/2026Principal Financial Group Inc.225,716$17.12M0.0%-0.6%0.347%Search for SEC Filing on Google Icon
5/4/2026Citizens National Bank Trust Department4,406$0.33M0.1%-42.7%0.007%Search for SEC Filing on Google Icon
5/4/2026Teachers Retirement System of The State of Kentucky33,264$2.52M0.0%+63.7%0.051%Search for SEC Filing on Google Icon
5/1/2026Sovran Advisors LLC2,780$0.21M0.0%N/A0.004%Search for SEC Filing on Google Icon
5/1/2026Sequoia Financial Advisors LLC3,916$0.30M0.0%N/A0.006%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Lantheus logo
Lantheus Holdings, Inc. develops, manufactures, and commercializes diagnostic and therapeutic products that assist clinicians in the diagnosis and treatment of heart, cancer, and other diseases worldwide. It provides DEFINITY, an injectable ultrasound enhancing agent used in echocardiography exams; TechneLite, a technetium generator for nuclear medicine procedures; Xenon-133, a radiopharmaceutical gas to assess pulmonary function; Neurolite, an injectable imaging agent to identify the area within the brain where blood flow has been blocked or reduced due to stroke; Cardiolite, an injectable Tc-99m-labeled imaging agent to assess blood flow to the muscle of the heart; and PYLARIFY, an F 18-labelled PSMA-targeted PET imaging agent used for imaging of PSMA positive-lesions in men with prostate cancer. The company also offers Automated Bone Scan Index that calculates the disease burden of prostate cancer by detecting and classifying bone scan tracer uptakes as metastatic or benign lesions using an artificial neural network; RELISTOR for opioid-induced constipation; and aPROMISE, an artificial intelligence medical device software; and PYLARIFY AI, an AI-based medical device software to perform quantitative assessment of PSMA PET/CT images in prostate cancer. In addition, it develops 1095, a PSMA-targeted iodine-131-labeled small molecule; PNT2002, a radiopharmaceutical therapy to treat mCRPC; PNT2003, an SSTR therapy that treats patients with SSTR-positive neuroendocrine tumors; MK-6240, a F 18-labeled PET imaging agent that targets Tau tangles in Alzheimer's disease; LNTH-1363S, an fibroblast activation protein, alpha targeted, copper-64 labeled PET imaging agent; and flurpiridaz used to assess blood flow to the heart;. It has collaboration agreements with GE Healthcare; NanoMab Technology Limited; Curium; RefleXion Medical, Inc.; POINT; Regeneron Pharmaceuticals, Inc; and Ratio Therapeutics LLC. The company was founded in 1956 and is based in Bedford, Massachusetts.
Read More on Lantheus

Today's Range

Now: $100.84
Low: $100.64
High: $101.05

50 Day Range

MA: $101.96
Low: $99.64
High: $108.03

52 Week Range

Now: $100.84
Low: $49.67
High: $111.86

Volume

206,039 shs

Average Volume

1,090,859 shs

Market Capitalization

$6.58 billion

P/E Ratio

24.36

Dividend Yield

N/A

Beta

N/A

Who are the company insiders with the largest holdings of Lantheus?

Lantheus' top insider investors include:
  1. Lantheus Alpha Therapy, Llc (Major Shareholder)
  2. Farallon Partners L L C/Ca (Insider)
  3. Rajiv A Patel (Insider)
  4. Mary Anne Heino (CEO)
  5. Mary Anne Heino (Director)
  6. Michael P Duffy (Insider)
  7. Michael P Duffy (SVP)
  8. Robert J Jr Marshall (CFO)
  9. Cesare Orlandi (Insider)
  10. Paul Blanchfield (President)
Learn More about top insider investors at Lantheus.

Who are the major institutional investors of Lantheus?

Lantheus' top institutional investors include:
  1. Jupiter Topco LLC — 7.95%
  2. Reinhart Partners LLC. — 2.46%
  3. Carmignac Gestion — 2.05%
  4. Assenagon Asset Management S.A. — 1.10%
  5. UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC — 0.74%
  6. Summit Street Capital Management LLC — 0.61%
Learn More about top institutional investors of Lantheus stock.

Which major investors are selling Lantheus stock?

In the previous quarter, LNTH stock was sold by these institutional investors:
  1. SkyOak Wealth LLC
  2. Tidal Investments LLC
  3. Handelsbanken Fonder AB
  4. UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
  5. HighTower Advisors LLC
  6. California State Teachers Retirement System
  7. Arizona State Retirement System
  8. Sequoia Financial Advisors LLC

Which major investors are buying Lantheus stock?

Within the previous quarter, LNTH stock was acquired by institutional investors including:
  1. Jupiter Topco LLC
  2. Assenagon Asset Management S.A.
  3. Summit Street Capital Management LLC
  4. Deutsche Bank AG
  5. William Blair Investment Management LLC
  6. Penn Capital Management Company LLC
  7. Legal & General Group Plc
  8. The Manufacturers Life Insurance Company

Lantheus Active Insiders

Mary Anne Heino
Mary Anne Heino (Age 66)
CEO
Brian A Markison
Brian A Markison
CEO & Director
John J Bolla
John J Bolla
COO
Robert J Jr. Marshall
Robert J Jr. Marshall (Age 59)
CFO
Andrea Sabens
Andrea Sabens (Age 47)
CAO
Sam R Leno
Director
Gerard Ber
Gerard Ber
Director
Heinz Christoph Maeusli
Heinz Christoph Maeusli
Director
Minnie Baylor-Henry
Minnie Baylor-Henry
Director
Gary J Pruden
Gary J Pruden
Director
James H Thrall
Director
Michael P Duffy
Michael P Duffy (Age 65)
SVP
Carol Walker
Carol Walker
SVP
Etienne Montagut
Etienne Montagut (Age 51)
Insider
Daniel Niedzwiecki
Daniel Niedzwiecki (Age 49)
Insider
Paul Blanchfield
Paul Blanchfield (Age 45)
Insider