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Lantheus (LNTH) Institutional Ownership

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$100.95 +0.01 (+0.01%)
Closing price 08/14/2026 04:00 PM Eastern
Extended Trading
$99.60 -1.35 (-1.34%)
As of 08/14/2026 07:34 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Lantheus (NASDAQ:LNTH)

Current
Institutional Ownership
Percentage
99.06%
Number of
Institutional Buyers
(last 12 months)
214
Total
Institutional Inflows
(last 12 months)
$1.95B
Number of
Institutional Sellers
(last 12 months)
158
Total
Institutional Outflows
(last 12 months)
$2.75B
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LNTH Institutional Buying and Selling by Quarter

Lantheus Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/15/2026Summit Street Capital Management LLC400,699$44.45M6.2%N/A0.614%
8/15/2026Jupiter Topco LLC5,188,416$575.63M0.2%N/A7.949%
8/15/2026ABS Investment Management LLC111$232.97M0.2%N/A0.000%
8/14/2026Hsbc Holdings PLC20,539$2.27M0.0%N/A0.031%
8/14/2026EFG International AG900$100K0.0%N/A0.001%
8/14/2026Expect Equity LLC32,073$3.56M2.3%N/A0.049%
8/14/2026Legal & General Group Plc88,207$9.79M0.0%N/A0.135%
8/14/2026The Manufacturers Life Insurance Company 61,716$6.85M0.0%N/A0.095%
8/14/2026 Algert Global LLC2,250$250K0.0%N/A0.003%
8/13/2026 Portland Investment Counsel Inc.18,000$2.00M0.6%N/A0.028%
8/13/2026 Sanctuary Advisors LLC3,519$390K0.0%N/A0.005%
8/12/2026 Evolve Private Wealth LLC3,944$438K0.0%N/A0.006%
8/12/2026 William Blair Investment Management LLC232,597$25.80M0.1%N/A0.356%
8/12/2026 Heron Bay Capital Management39,362$4.37M0.4%N/A0.060%
8/11/2026 Keating Financial Advisory Services Inc.3,639$404K0.1%N/A0.006%
8/11/2026 Allworth Financial LP440$49K0.0%N/A0.001%
8/11/2026 Vise Technologies Inc.4,532$503K0.0%N/A0.007%
8/10/2026 Great Lakes Advisors LLC36,680$4.07M0.0%N/A0.056%
8/10/2026 Danske Bank A S2,965$329K0.0%N/A0.005%
8/10/2026 Danske Bank A S57,791$6.41M0.0%N/A0.089%
8/7/2026 Deutsche Bank AG248,743$27.60M0.0%N/A0.382%
8/7/2026 Perigon Wealth Management LLC3,524$391K0.0%N/A0.005%
8/7/2026 Rice Hall James & Associates LLC43,735$4.85M0.2%N/A0.067%
8/7/2026 Persistent Asset Partners Ltd3,903$433K0.1%N/A0.006%
8/7/2026 Chase Investment Counsel Corp20,000$2.22M0.5%N/A0.031%
8/7/2026 N.E.W. Advisory Services LLC1,670$185K0.0%N/A0.003%
8/6/2026 Global Retirement Partners LLC643$71K0.0%N/A0.001%
8/6/2026 State of Wyoming3,305$367K0.0%N/A0.005%
8/6/2026 GSA Capital Partners LLP3,121$346K0.0%N/A0.005%
7/10/2026 Handelsbanken Fonder AB23,600$2.62M0.0%-14.5%0.036%
7/9/2026 Focus Financial Network Inc.2,242$249K0.0%N/A0.003%
7/8/2026 Reinhart Partners LLC.1,599,379$177.44M4.1%+2.2%2.456%
7/8/2026 Assenagon Asset Management S.A.714,980$79.32M0.1%+440.3%1.098%
7/7/2026 GAMMA Investing LLC3,348$371K0.0%+6.4%0.005%
7/2/2026 Versant Capital Management Inc588$65K0.0%+33.0%0.001%
6/18/2026 Pacer Advisors Inc.7,704$584K0.0%-97.0%0.012%
6/16/2026Empowered Funds LLC11,979$909K0.0%N/A0.018%
6/15/2026 Carmignac Gestion1,328,000$100.73M1.5%+18.4%2.040%
6/12/2026Defilade Capital Management L.P.249,401$18.92M2.7%N/A0.383%
6/3/2026 Parallel Advisors LLC1,060$80K0.0%+95.9%0.002%
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5/27/2026 Allen Capital Group LLC3,290$250K0.0%N/A0.005%
5/19/2026Western Wealth Management LLC335$25K0.0%N/A0.001%
5/19/2026Janus Henderson Group PLC4,774,841$362.17M0.2%-16.3%7.333%
5/19/2026Centaurus Financial Inc.6,621$502K0.0%-7.9%0.010%
5/18/2026 EverSource Wealth Advisors LLC1,396$106K0.0%+157.1%0.002%
5/18/2026California State Teachers Retirement System78,207$5.93M0.0%+22.3%0.120%
5/18/2026Empowered Funds LLC11,979$909K0.0%N/A0.018%
5/16/2026The Manufacturers Life Insurance Company69,181$5.25M0.0%+4.4%0.106%
5/16/2026 Quantinno Capital Management LP9,772$741K0.0%+58.4%0.015%
5/15/2026 Rice Hall James & Associates LLC46,850$3.55M0.2%+4.9%0.072%
5/15/2026 Epoch Investment Partners Inc.649,751$49.28M0.3%+59.4%0.998%
5/14/2026 Healthcare of Ontario Pension Plan Trust Fund598,857$45.42M0.1%+686.1%0.920%
5/14/2026 Renaissance Technologies LLC77,182$5.85M0.0%+1.8%0.119%
5/14/2026Oak Associates Ltd. OH40,082$3.04M0.2%+2.3%0.062%
5/14/2026 Inceptionr LLC6,695$508K0.1%+113.4%0.010%
5/14/2026 Lido Advisors LLC56,855$4.31M0.0%-8.6%0.087%
5/13/2026 First Trust Advisors LP60,258$4.57M0.0%+287.6%0.093%
5/8/2026 PNC Financial Services Group Inc.3,346$254K0.0%+18.5%0.005%
5/7/2026 Dimensional Fund Advisors LP1,379,570$104.63M0.0%-2.5%2.119%
5/7/2026 Parallel Advisors LLC1,060$80K0.0%+95.9%0.002%
5/7/2026 Swiss National Bank131,154$9.95M0.0%-2.2%0.201%
5/7/2026 Crescent Grove Advisors LLC16,907$1.28M0.1%-19.8%0.026%
5/6/2026California Public Employees Retirement System131,776$10.00M0.0%+10.1%0.202%
5/6/2026 Assetmark Inc.22,495$1.71M0.0%-81.0%0.035%
5/6/2026 Bessemer Group Inc.514$39K0.0%+221.3%0.001%
5/6/2026 Allspring Global Investments Holdings LLC8,753$663K0.0%-16.4%0.013%
5/5/2026 Three Seasons Wealth LLC13,495$1.02M0.4%+40.5%0.021%
5/5/2026 Harel Insurance Investments & Financial Services Ltd.2,309$175K0.0%-10.5%0.004%
5/5/2026 Sanctuary Advisors LLC3,529$268K0.0%-44.7%0.005%
5/4/2026 Bleakley Financial Group LLC13,951$1.06M0.0%+20.4%0.021%
5/4/2026 State of Michigan Retirement System16,000$1.21M0.0%+1.9%0.025%
5/4/2026 Principal Financial Group Inc.225,716$17.12M0.0%-0.6%0.347%
5/4/2026 Citizens National Bank Trust Department4,406$334K0.1%-42.7%0.007%
5/4/2026 Teachers Retirement System of The State of Kentucky33,264$2.52M0.0%+63.7%0.051%
5/1/2026 Sovran Advisors LLC2,780$211K0.0%N/A0.004%
5/1/2026 Sequoia Financial Advisors LLC3,916$297K0.0%N/A0.006%
4/30/2026 Equitable Trust Co.9,420$715K0.0%-26.8%0.014%
4/30/2026 Waterfront Wealth Inc.9,843$747K0.1%-46.8%0.015%
4/30/2026 Peterson Wealth Services6,684$507K0.1%+3,160.5%0.010%
4/30/2026 SkyOak Wealth LLC64,284$4.88M0.9%+1.8%0.099%
4/30/2026 Sumitomo Mitsui Trust Group Inc.3,033$230K0.0%N/A0.005%
4/30/2026 Isthmus Partners LLC43,185$3.28M0.3%+11.4%0.066%
4/30/2026 Oregon Public Employees Retirement Fund13,559$1.03M0.0%+2.3%0.021%
4/29/2026 Capstone Wealth Management Group LLC3,566$270K0.1%-18.5%0.005%
4/28/2026 Abel Hall LLC3,915$297K0.1%+4.6%0.006%
4/27/2026 New York State Teachers Retirement System71,756$5.44M0.0%-2.8%0.110%
4/25/2026 Strs Ohio5,000$379K0.0%+28.2%0.008%
4/25/2026 Keybank National Association OH22,800$1.73M0.0%-47.7%0.035%
4/22/2026 Janney Montgomery Scott LLC18,542$1.41M0.0%-3.7%0.028%
4/22/2026 1492 Capital Management LLC27,424$2.08M0.8%N/A0.042%
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4/22/2026 Pictet Asset Management Holding SA11,402$865K0.0%+7.0%0.018%
4/21/2026 Louisiana State Employees Retirement System19,200$1.46M0.0%N/A0.029%
4/20/2026 Blue Trust Inc.636$48K0.0%-35.8%0.001%
4/20/2026 Assenagon Asset Management S.A.132,319$10.04M0.0%+83.9%0.203%
4/17/2026 Campbell Newman Asset Management Inc.35,206$2.67M0.2%+1.7%0.054%
4/16/2026 Capstone Wealth Management Group LLC4,375$291K0.2%N/A0.007%
4/16/2026 E. Ohman J or Asset Management AB36,937$2.80M0.1%+8.8%0.057%
4/16/2026 Silverberg Bernstein Capital Management LLC32,179$2.44M1.3%+0.9%0.049%
3/17/2026 Rockefeller Capital Management L.P.2,023$135K0.0%+65.5%0.003%
3/9/2026 EMC Capital Management962$64K0.0%-15.0%0.001%


LNTH Institutional Ownership - Frequently Asked Questions

During the previous two years, 526 institutional investors and hedge funds held shares of Lantheus. The most heavily invested institutionals were Jupiter Topco LLC ($575.63M), Vanguard Group Inc. ($445.84M), Janus Henderson Group PLC ($362.17M), Farallon Capital Management LLC ($361.20M), ABS Investment Management LLC ($232.97M), Reinhart Partners LLC. ($177.44M), and T. Rowe Price Investment Management Inc. ($137.85M).Learn more on Lantheus' institutional investors.

99.06% of Lantheus' stock is owned by institutional investors. Learn more on LNTH's institutional investor holdings.

Of the 445 institutional investors that purchased Lantheus' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: M&T Bank Corp ($5.53M), Jupiter Topco LLC ($5.19M), Farallon Capital Management LLC ($4.31M), Janus Henderson Group PLC ($2.87M), Assenagon Asset Management S.A. ($2.26M), Norges Bank ($1.84M), and Raymond James Financial Inc. ($903.23K).

Institutional investors have bought a total of 25,430,688 shares in the last 24 months. This purchase volume represents approximately $1.95B in transactions.

Of the 156 institutional investors that sold Lantheus' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: BNP Paribas Financial Markets ($21.86M), Franklin Resources Inc. ($4.31M), Invesco Ltd. ($4.09M), Farallon Capital Management LLC ($3.25M), The Manufacturers Life Insurance Company ($2.11M), Universal Beteiligungs und Servicegesellschaft mbH ($2.10M), and Janus Henderson Group PLC ($1.91M).

Institutional investors have sold a total of 50,106,020 shares in the last 24 months. This volume of shares sold represents approximately $2.75B in transactions.


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Institutional ownership data for NASDAQ:LNTH is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/15/2026. New 13F filings are added each quarter as they're published.
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