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Lantheus (LNTH) Institutional Ownership

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$100.09 +0.09 (+0.09%)
As of 09:48 AM Eastern
This is a fair market value 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)
$1.91B
Number of
Institutional Sellers
(last 12 months)
158
Total
Institutional Outflows
(last 12 months)
$2.78B
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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
10/14/2026Focus Financial Network Inc.2,054$204K0.0%-8.4%0.003%
10/14/2026Ulland Investment Advisors LLC4,075$406K0.3%-2.4%0.006%
10/10/2026Reinhart Partners LLC.1,207,900$120.22M2.9%-24.5%1.851%
10/9/2026Diversified Management Inc.3,770$375K0.1%N/A0.006%
10/9/2026GAMMA Investing LLC3,457$344K0.0%+3.3%0.005%
10/8/2026Farther Finance Advisors LLC555$55K0.0%+122.9%0.001%
10/6/2026Moody National Bank Trust Division11,281$1.12M0.1%-2.5%0.017%
9/9/2026Sequoia Financial Advisors LLC3,794$421K0.0%-3.1%0.006%
9/9/2026Tidal Investments LLC22,466$2.49M0.0%-28.8%0.034%
9/9/2026Integrated Wealth Concepts LLC18,709$2.08M0.0%+6.7%0.029%
9/9/2026Baird Financial Group Inc.29,356$3.26M0.0%+25.8%0.045%
9/8/2026Arizona State Retirement System17,964$1.99M0.0%-1.4%0.028%
9/8/2026Carmignac Gestion1,340,100$148.67M1.9%+0.9%2.053%
8/27/2026Corient Private Wealth LP2,612$290K0.0%N/A0.004%
8/26/2026HighTower Advisors LLC5,130$569K0.0%-39.7%0.008%
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al9,033$1.00M0.0%N/A0.014%
8/22/2026AlphaGrep UK Ltd3,674$408K0.1%N/A0.006%
8/22/2026Three Seasons Wealth LLC15,333$1.70M0.2%+13.6%0.023%
8/22/2026denkapparat Operations GmbH9,416$1.05M0.3%N/A0.014%
8/21/2026SkyOak Wealth LLC44,419$4.93M0.8%-30.9%0.068%
8/20/2026Cookson Peirce & Co. Inc.24,060$2.67M0.1%N/A0.037%
8/20/2026Penn Capital Management Company LLC153,877$17.09M1.1%N/A0.236%
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC482,743$53.56M0.0%-0.8%0.740%
8/19/2026Hsbc Holdings PLC20,539$2.27M0.0%N/A0.031%
8/18/2026Empowered Funds LLC2,434$270K0.0%N/A0.004%
8/18/2026Equitable Holdings Inc.2,202$244K0.0%N/A0.003%
8/18/2026Centaurus Financial Inc.6,015$667K0.0%N/A0.009%
8/18/2026Formula Growth Ltd.25,131$2.79M1.0%N/A0.039%
8/18/2026Jefferies Financial Group Inc.8,234$913K0.0%N/A0.013%
8/18/2026Public Employees Retirement System of Ohio2,185$242K0.0%N/A0.003%
8/17/2026Corient Private Wealth LP2,736$304K0.0%N/A0.004%
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 Company61,716$6.85M0.0%N/A0.095%
8/14/2026Algert Global LLC2,250$250K0.0%N/A0.003%
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8/13/2026Portland Investment Counsel Inc.18,000$2.00M0.6%N/A0.028%
8/13/2026Sanctuary Advisors LLC3,519$390K0.0%N/A0.005%
8/12/2026Evolve Private Wealth LLC3,944$438K0.0%N/A0.006%
8/12/2026William Blair Investment Management LLC232,597$25.80M0.1%N/A0.356%
8/12/2026Heron Bay Capital Management39,362$4.37M0.4%N/A0.060%
8/11/2026Keating Financial Advisory Services Inc.3,639$404K0.1%N/A0.006%
8/11/2026Allworth Financial LP440$49K0.0%N/A0.001%
8/11/2026Vise Technologies Inc.4,532$503K0.0%N/A0.007%
8/10/2026Great Lakes Advisors LLC36,680$4.07M0.0%N/A0.056%
8/10/2026Danske Bank A S2,965$329K0.0%N/A0.005%
8/10/2026Danske Bank A S57,791$6.41M0.0%N/A0.089%
8/7/2026Deutsche Bank AG248,743$27.60M0.0%N/A0.382%
8/7/2026Perigon Wealth Management LLC3,524$391K0.0%N/A0.005%
8/7/2026Rice Hall James & Associates LLC43,735$4.85M0.2%N/A0.067%
8/7/2026Persistent Asset Partners Ltd3,903$433K0.1%N/A0.006%
8/7/2026Chase Investment Counsel Corp20,000$2.22M0.5%N/A0.031%
8/7/2026N.E.W. Advisory Services LLC1,670$185K0.0%N/A0.003%
8/6/2026Global Retirement Partners LLC643$71K0.0%N/A0.001%
8/6/2026State of Wyoming3,305$367K0.0%N/A0.005%
8/6/2026GSA Capital Partners LLP3,121$346K0.0%N/A0.005%
7/10/2026Handelsbanken Fonder AB23,600$2.62M0.0%-14.5%0.036%
7/9/2026Focus Financial Network Inc.2,242$249K0.0%N/A0.003%
7/8/2026Reinhart Partners LLC.1,599,379$177.44M4.1%+2.2%2.456%
7/8/2026Assenagon Asset Management S.A.714,980$79.32M0.1%+440.3%1.098%
7/7/2026GAMMA Investing LLC3,348$371K0.0%+6.4%0.005%
7/2/2026 Versant Capital Management Inc588$65K0.0%+33.0%0.001%
6/18/2026Pacer Advisors Inc.7,704$584K0.0%-97.0%0.012%
6/16/2026Empowered Funds LLC11,979$909K0.0%N/A0.018%
6/15/2026Carmignac 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%
6/3/2026Parallel Advisors LLC1,060$80K0.0%+95.9%0.002%
5/27/2026Allen 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%
5/18/2026EverSource 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%
5/16/2026Quantinno Capital Management LP9,772$741K0.0%+58.4%0.015%
5/15/2026Rice Hall James & Associates LLC46,850$3.55M0.2%+4.9%0.072%
5/15/2026Epoch Investment Partners Inc.649,751$49.28M0.3%+59.4%0.998%
5/14/2026Healthcare of Ontario Pension Plan Trust Fund598,857$45.42M0.1%+686.1%0.920%
5/14/2026Renaissance Technologies LLC77,182$5.85M0.0%+1.8%0.119%
5/14/2026Oak Associates Ltd. OH40,082$3.04M0.2%+2.3%0.062%
5/14/2026Inceptionr LLC6,695$508K0.1%+113.4%0.010%
5/14/2026Lido Advisors LLC56,855$4.31M0.0%-8.6%0.087%
5/13/2026First Trust Advisors LP60,258$4.57M0.0%+287.6%0.093%
5/8/2026PNC Financial Services Group Inc.3,346$254K0.0%+18.5%0.005%
5/7/2026Dimensional Fund Advisors LP1,379,570$104.63M0.0%-2.5%2.119%
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5/7/2026Parallel Advisors LLC1,060$80K0.0%+95.9%0.002%
5/7/2026Swiss National Bank131,154$9.95M0.0%-2.2%0.201%
5/7/2026Crescent 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%
5/6/2026Assetmark Inc.22,495$1.71M0.0%-81.0%0.035%
5/6/2026Bessemer Group Inc.514$39K0.0%+221.3%0.001%
5/6/2026Allspring Global Investments Holdings LLC8,753$663K0.0%-16.4%0.013%
5/5/2026Three Seasons Wealth LLC13,495$1.02M0.4%+40.5%0.021%
5/5/2026Harel Insurance Investments & Financial Services Ltd.2,309$175K0.0%-10.5%0.004%
5/5/2026Sanctuary Advisors LLC3,529$268K0.0%-44.7%0.005%


LNTH Institutional Ownership - Frequently Asked Questions

During the previous two years, 528 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), Carmignac Gestion ($148.67M), 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 443 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 24,303,959 shares in the last 24 months. This purchase volume represents approximately $1.91B in transactions.

Of the 157 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 50,346,187 shares in the last 24 months. This volume of shares sold represents approximately $2.78B 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 10/14/2026. New 13F filings are added each quarter as they're published.
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