Lantheus Holdings Inc

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Lantheus Holdings Inc
TickerLNTH
CIK #0001521036
CUSIP516544103
SectorLife Sciences - In Vitro & In Vivo Diagnostic Substances
Address331 Treble Cove Road, North Billerica, MA 01862
Source [EDGAR]
CIK Filing 2011 - 2026
[0001521036] 10-K
[0001521036] 10-Q
[0001521036] 3
[0001521036] 4
[0001521036] 5
[0001521036] 8-K
[0001521036] SC 13D
[0001521036] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Capital Management LLC Lantheus Holdings Inc [2026-04-30] 0.0
Morgan Stanley Lantheus Holdings Inc [2025-11-07] 0.0
FMR LLC Lantheus Holdings Inc [2025-08-06] 0.0
Farallon Capital Partners LP Lantheus Holdings Inc [2024-11-14] 0.5
Janus Henderson Group PLC Lantheus Holdings Inc [2024-02-14] 5.8
Lantheus Holdings Inc Perspective Therapeutics Inc [2024-02-01] 819410.74
BlackRock Inc Lantheus Holdings Inc [2022-01-25] 15.8
Wellington Trust Co N A Lantheus Holdings Inc [2021-02-03] 5.08
BlackRock Inc Lantheus Holdings Inc [2021-01-25] 15.4
Armistice Capital LLC Lantheus Holdings Inc [2020-05-26] 5.0
Lantheus Holdings Inc Progenics Pharmaceuticals Inc [2020-04-23] 0.3
Wellington Management Group LLP Lantheus Holdings Inc [2020-04-09] 11.33
Price T Rowe Associates Inc /MD/ Lantheus Holdings Inc [2020-02-14] 8.1
Wellington Trust Co N A Lantheus Holdings Inc [2019-02-12] 6.42
Vanguard Group Inc Lantheus Holdings Inc [2018-02-08] 7.46
BlackRock Inc Lantheus Holdings Inc [2017-10-10] 10.0
Wellington Trust Co N A Lantheus Holdings Inc [2017-02-09] 5.47
Man Group PLC Lantheus Holdings Inc [2016-12-20] 5.7
Scopia Capital Management LP Lantheus Holdings Inc [2016-02-16] 6.65
Avista Capital Partners GP LLC Lantheus Holdings Inc [2016-02-08] 56.7
Price T Rowe Associates Inc /MD/ Lantheus Holdings Inc [2015-07-10] 12.3
Wellington Management Group LLP Lantheus Holdings Inc [2015-07-10] 10.91
Form 3/4/5 Filer 2011 - 2026
Heino Mary Anne
Lantheus Holdings Inc
Ber Gerard
Morrow Phuong Khanh
Maeusli Heinz Christoph
LENO Sam R
Pruden Gary J
Baylor-Henry Minnie
Thrall James H
Eastland Julia Marie
McHugh Julie
Niedzwiecki Daniel
Brown Kimberly
Dinkelborg Ludger
Marshall Robert J Jr
Morgan Amanda Michelle
Luo Patrick Cheng
Fried Richard B
Giauque Nicolas
Linn Michael G
Dreyfuss Philip D
Gehani Varun N
Dapice Joshua J
Dunn Hannah E
Kim David T
Farallon Partners L L C/CA
Spokes Andrew J M
Short Daniel S
Warren John R
Wehrly Mark C
Seybold William
Roberts Thomas G Jr
Saito Edric C
Patel Rajiv A
Blanchfield Paul
Markison Brian A
Sabens Andrea
Humphrey Jeffrey
Lantheus Alpha Therapy LLC
Perspective Therapeutics Inc
Provost Jean-Claude
Montagut Etienne
Walker Carol
Yao Ying Vivian
Bolla John J
Robertson A Frederick
Duffy Michael P
Molnar Istvan
Clemmer James C
Pucel Kenneth
Schaffer Derace L
Orlandi Cesare
Crowley John W
Healey Timothy G
Burgstahler David F
Dawes William C Jr
Avista Capital Partners LP
Avista Capital Partners GP LLC
ACP-Lantern Co-Invest LLC
Avista Capital Partners Offshore LP
Venkataraman Sriram
Bakewell John K
Bailey Jeffrey Allen
O'Neill Patrick
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Niedzwiecki Daniel
Common Stock
2026-03-05 Tax withheld 1,283 $76.31 97,906
Dinkelborg Ludger
Common Stock
2026-03-05 Grant 20,966 $0.00
Marshall Robert J Jr
Common Stock
2026-03-05 Grant 38,002 $0.00
Brown Kimberly
Common Stock
2026-03-05 Tax withheld 133 $76.31 10,149
Morgan Amanda Michelle
Common Stock
2026-03-05 Grant 26,208 $0.00
Morgan Amanda Michelle
Common Stock
2026-03-05 Tax withheld 595 $76.31 45,404
Niedzwiecki Daniel
Common Stock
2026-03-05 Grant 36,692 $0.00
Brown Kimberly
Common Stock
2026-03-05 Grant 6,158 $0.00
Marshall Robert J Jr
Common Stock
2026-03-05 Tax withheld 1,182 $76.31 90,198
Heino Mary Anne
Common Stock
2026-03-02 Grant 32,105 $0.00
Morgan Amanda Michelle
Common Stock
2026-03-02 Tax withheld 3,336 $76.30 254,537
Niedzwiecki Daniel
Common Stock
2026-03-02 Tax withheld 8,259 $76.30 630,162
Morgan Amanda Michelle
Common Stock
2026-03-02 Grant 2,782 $0.00
Marshall Robert J Jr
Common Stock
2026-03-02 Grant 8,491 $0.00
Niedzwiecki Daniel
Common Stock
2026-03-02 Grant 5,169 $0.00
Marshall Robert J Jr
Common Stock
2026-03-02 Tax withheld 10,652 $76.30 812,748
Heino Mary Anne
Common Stock
2026-03-02 Tax withheld 41,916 $76.30 3,198,191
Morgan Amanda Michelle
Common Stock
2025-12-15 Tax withheld 368 $66.57 24,498
Heino Mary Anne
Stock Option (right to buy) · derivative
2025-11-17 Grant 26,325 $0.00
Heino Mary Anne
Common Stock
2025-11-17 Grant 14,285 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 405 71,991,367
2025-12-31 393 68,661,892
2025-09-30 423 71,484,958
2025-06-30 479 78,545,591
2025-03-31 530 75,949,985
2024-12-31 491 71,727,513
2024-09-30 508 67,058,854
2024-06-30 461 66,847,692
2024-03-31 422 67,002,131
2023-12-31 412 69,525,243
2023-09-30 400 68,451,500
2023-06-30 435 62,993,008
Form 13F Holdings
Firm Period DFND Voting Shares
Reinhart Partners LLC [2026-06-30] SOLE 1,467,130 1,599,379
Swedbank AB [2026-06-30] DFND 1,201,243 1,201,243
Assenagon Asset Management SA [2026-06-30] SOLE 714,980 714,980
Isthmus Partners LLC [2026-06-30] SOLE 43,474 43,474
E Ohman J or Asset Management AB [2026-06-30] SOLE 36,937 36,937
Silverberg Bernstein Capital Management LLC [2026-06-30] SOLE 0 32,179
Linden Thomas Advisory Services LLC [2026-06-30] SOLE 0 19,695
Louisiana State Employees Retirement System [2026-06-30] SOLE 19,200 19,200
Yousif Capital Management LLC [2026-06-30] SOLE 5,845 18,586
Commonwealth of Pennsylvania Public School Empls Retrmt SYS [2026-06-30] SOLE 15,587 15,587
Milestone Asset Management LLC [2026-06-30] SOLE 0 13,860
Moody National Bank Trust Division [2026-06-30] SOLE 10,875 10,951
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 12 7,760
Legacy Wealth Asset Management LLC [2026-06-30] SOLE 7,438 7,438
Alaska Retirement Management Board [2026-06-30] SOLE 6,380 6,380
Unique Wealth Strategies LLC [2026-06-30] SOLE 0 6,350
Crossmark Global Holdings Inc [2026-06-30] SOLE 4,672 4,672
WD Rutherford LLC [2026-06-30] SOLE 0 4,451
NorthCrest Asset Manangement LLC [2026-06-30] SOLE 0 4,081
Sequoia Financial Advisors LLC [2026-06-30] SOLE 0 3,794
Merit Financial Group LLC [2026-06-30] OTR 0 3,356
Gamma Investing LLC [2026-06-30] DFND 3,348 3,348
Procyon Advisors LLC [2026-06-30] SOLE 2,356 2,356
Venturi Wealth Management LLC [2026-06-30] SOLE 2,266 2,266
Focus Financial Network Inc [2026-06-30] SOLE 0 2,242
Waldron Private Wealth LLC [2026-06-30] SOLE 0 2,197
Fifth Third Wealth Advisors LLC [2026-06-30] SOLE 2,147 2,147
Drucker Wealth 30 LLC [2026-06-30] OTR 0 1,352
Merit Financial Group LLC [2026-06-30] SOLE 7 895
Moody National Bank Trust Division [2026-06-30] DFND 616 616
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