JANUS HENDERSON GROUP PLC

13D and 13G Filings

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing since 12/18/2024, newest first.

Issuer % of Class Filed
Mereo Biopharma Group PLC 13G/A Amendment 7
MREO · 589492107
 0% 2/17/2026
Event 12/31/2025
Akero Therapeutics, Inc. 13G/A Amendment 12
AKRO · 00973Y108
 4.1% 2/17/2026
Event 12/31/2025
Avadel Pharmaceuticals PLC 13G/A Amendment 7
AVDL · G29687103
 1.9% 2/17/2026
Event 12/31/2025
Avidity Biosciences, Inc. 13G/A Amendment 4
RNAM · 05370A108
 4.6% 2/17/2026
Event 12/31/2025
Equillium, Inc. 13G/A Amendment 1
EQ · 29446K106
 10.0% 2/6/2026
Event 1/30/2026
Relmada Therapeutics, Inc. 13G
RLMD · 75955J402
 10.1% 2/6/2026
Event 1/30/2026
Biohaven Ltd. 13G/A Amendment 1
BHVN · G1110E107
 12.7% 2/6/2026
Event 1/30/2026
DBV Technologies S.A. 13G/A Amendment 2
DBV.PA · F2927N109
 8.8% 1/8/2026
Event 12/31/2025
CAMP4 Therapeutics Corp 13G
CAMP · 13463J101
 12.2% 1/8/2026
Event 12/31/2025
DBV Technologies S.A. 13G/A Amendment 1
DBV.PA · F2927N109
 2.6% 12/12/2025
Event 11/28/2025
Tenax Therapeutics, Inc. 13G
TENX · 88032L605
 10.0% 12/8/2025
Event 11/28/2025
Pasithea Therapeutics Corp. 13G
KTTA · 70261F202
 10.0% 12/8/2025
Event 11/28/2025
Palisade Bio, Inc. 13G
PALI · 696389402
 10.0% 12/8/2025
Event 11/28/2025
Palatin Technologies Inc 13G
PTN · 696077601
 10.0% 12/8/2025
Event 11/28/2025
Ovid Therapeutics Inc. 13G
OVID · 690469101
 10.0% 12/8/2025
Event 11/28/2025
Ocugen, Inc. 13G
OCGN · 67577C105
 6.0% 12/8/2025
Event 11/28/2025
Lexeo Therapeutics, Inc. 13G/A Amendment 7
LXEO · 52886X107
 10.0% 12/8/2025
Event 11/28/2025
Inovio Pharmaceuticals, Inc. 13G/A Amendment 1
INO · 45773H409
 10.0% 12/8/2025
Event 11/28/2025
Immunic, Inc. 13G
IMUX · 4525EP101
 10.0% 12/8/2025
Event 11/28/2025
Equillium, Inc. 13G
EQ · 29446K106
 10.0% 12/8/2025
Event 11/28/2025
DBV Technologies S.A. 13G
DBV.PA · F2927N109
 9.5% 12/8/2025
Event 11/28/2025
Biomea Fusion, Inc. 13G
BMEA · 09077A106
 5.0% 12/8/2025
Event 11/28/2025
Benitec Biopharma Inc. 13G/A Amendment 10
BNTC · 08205P209
 10.0% 12/8/2025
Event 11/28/2025
Assembly Biosciences, Inc. 13G
ASMB · 045396207
 8.2% 12/8/2025
Event 11/28/2025
Avidity Biosciences, Inc. 13G/A Amendment 4
RNAM · 05370A108
 5.5% 12/5/2025
Event 11/28/2025
Mirum Pharamaceuticals, Inc. 13G/A Amendment 7
MIRM · 604749101
 10.6% 12/5/2025
Event 11/28/2025
Travere Therapeutics, Inc 13G/A Amendment 2
TVTX · 89422G107
 11.9% 11/14/2025
Event 9/30/2025
Monopar Therapeutics Inc 13G/A Amendment 4
MNPR · 61023L207
 19.5% 11/14/2025
Event 9/30/2025
Maze Therapeutics, Inc. 13G/A Amendment 2
MAZE · 578784100
 7.3% 11/14/2025
Event 9/30/2025
Lexeo Therapeutics, Inc. 13G/A Amendment 6
LXEO · 52886X107
 11.3% 11/14/2025
Event 9/30/2025
Ligand Pharmaceuticals Incorporated 13G/A Amendment 9
LGND · 53220K504
 5.3% 11/14/2025
Event 9/30/2025
Sensient Technologies Corporation 13G/A Amendment 12
SXT · 81725T100
 5.4% 11/14/2025
Event 9/30/2025
Rentokil Initial PLC 13G/A Amendment 4
RKLIF · G7494G105
 5.6% 11/14/2025
Event 9/30/2025
Ardelyx, Inc. 13G/A Amendment 8
ARDX · 039697107
 5.7% 11/14/2025
Event 9/30/2025
Osi Systems, Inc. 13G/A Amendment 12
OSIS · 671044105
 5.9% 11/14/2025
Event 9/30/2025
Dayforce, Inc. 13G/A Amendment 1
DAY · 15677J108
 6.0% 11/14/2025
Event 9/30/2025
Revolution Medicines, Inc. 13G/A Amendment 3
RVMD · 76155X100
 6.1% 11/14/2025
Event 9/30/2025
Asure Software Inc 13G/A Amendment 4
ASUR · 04649U102
 6.1% 11/14/2025
Event 9/30/2025
Revvity, Inc. 13G/A Amendment 1
RVTY · 714046109
 6.6% 11/14/2025
Event 9/30/2025
SS&C Technologies Holdings, Inc. 13G/A Amendment 12
SSNC · 78467J100
 6.8% 11/14/2025
Event 9/30/2025
Sensata Technologies Holding PLC 13G/A Amendment 11
ST · G8060N102
 6.9% 11/14/2025
Event 9/30/2025
Flex Ltd. 13G/A Amendment 6
FLEX · Y2573F102
 7.0% 11/14/2025
Event 9/30/2025
Gildan Activewear Inc 13G/A Amendment 2
GIL · 375916103
 7.0% 11/14/2025
Event 9/30/2025
Ideaya Biosciences, Inc. 13G/A Amendment 5
IDYA · 45166A102
 7.3% 11/14/2025
Event 9/30/2025
Avadel Pharmaceuticals PLC 13G/A Amendment 6
AVDL · G29687103
 7.7% 11/14/2025
Event 9/30/2025
Structure Therapeutics Inc 13G/A Amendment 4
GPCR · 86366E106
 7.7% 11/14/2025
Event 9/30/2025
Akero Therapeutics, Inc. 13G/A Amendment 11
AKRO · 00973Y108
 7.9% 11/14/2025
Event 9/30/2025
Madrigal Pharmaceuticals, Inc. 13G/A Amendment 7
MDGL · 558868105
 8.3% 11/14/2025
Event 9/30/2025
Ziff Davis, Inc. 13G/A Amendment 7
ZD · 48123V102
 8.4% 11/14/2025
Event 9/30/2025
Liberty Media Corporation 13G/A Amendment 10
FWONK · 531229755
 4.8% 11/14/2025
Event 9/30/2025
Lantheus Holdings, Inc. 13G/A Amendment 5
LNTH · 516544103
 9.8% 11/14/2025
Event 9/30/2025
Mirum Pharamaceuticals, Inc. 13G/A Amendment 6
MIRM · 604749101
 10.0% 11/14/2025
Event 9/30/2025
Vaxcyte, Inc. 13G/A Amendment 8
PCVX · 92243G108
 10.1% 11/14/2025
Event 9/30/2025
Surgery Partners, Inc. 13G/A Amendment 3
SGRY · 86881A100
 10.2% 11/14/2025
Event 9/30/2025
Mereo Biopharma Group PLC 13G/A Amendment 6
MREO · 589492107
 10.2% 11/14/2025
Event 9/30/2025
Dyne Therapeutics Inc 13G/A Amendment 4
DYN · 26818M108
 10.4% 11/14/2025
Event 9/30/2025
Avidity Biosciences, Inc. 13G/A Amendment 3
RNAM · 05370A108
 10.7% 11/14/2025
Event 9/30/2025
Protara Therapeutics, Inc. 13G/A Amendment 4
TARA · 74365U107
 11.0% 11/14/2025
Event 9/30/2025
Soleno Therapeutics, Inc. 13G/A Amendment 7
SLNO · 834203309
 11.4% 11/14/2025
Event 9/30/2025
Invivyd, Inc. 13G/A Amendment 1
IVVD · 00534A102
 12.1% 11/14/2025
Event 9/30/2025
Praxis Precision Medicines, Inc 13G/A Amendment 3
PRAX · 74006W207
 12.3% 11/14/2025
Event 9/30/2025
Consensus Cloud Solutions, Inc. 13G/A Amendment 7
CCSI · 20848V105
 13.1% 11/14/2025
Event 9/30/2025
Cimpress PLC 13G/A Amendment 14
CMPR · G2143T103
 13.7% 11/14/2025
Event 9/30/2025
Ascendis Pharma A/S 13G/A Amendment 8
ASND · 04351P101
 7.8% 11/14/2025
Event 9/30/2025
Inovio Pharamaceuiticals, Inc. 13G
INO · 45773H409
 6.2% 11/14/2025
Event 9/30/2025
Metsera, Inc. 13G
MTSR · 59267L107
 5.1% 11/14/2025
Event 9/30/2025
Xenon Pharmaceuticals Inc. 13G
XENE · 98420N105
 5.1% 11/14/2025
Event 9/30/2025
Olema Pharmaceuticals, Inc. 13G
OLMA · 68062P106
 5.2% 11/14/2025
Event 9/30/2025
Api Group Corp 13G
APG · 00187Y100
 5.3% 11/14/2025
Event 9/30/2025
Biohaven Ltd. 13G
BHVN · G1110E107
 6.4% 11/14/2025
Event 9/30/2025
Verona Pharma PLC 13G/A Amendment 2
VRNA · 925050106
 1.2% 11/14/2025
Event 9/30/2025
Amdocs Limited 13G/A Amendment 11
DOX · G02602103
 2.3% 11/14/2025
Event 9/30/2025
Edgewise Therapeutics, Inc. 13G/A Amendment 3
EWTX · 28036F105
 4.7% 11/14/2025
Event 9/30/2025
Inspired Entertainment, Inc 13G/A Amendment 2
INSE · 45782N108
 4.9% 11/14/2025
Event 9/30/2025
Janux Therapeutics, Inc. 13G/A Amendment 3
JANX · 47103J105
 10.0% 11/7/2025
Event 10/31/2025
Enanta Pharmaceuticals Inc 13G
ENTA · 29251M106
 12.1% 11/7/2025
Event 10/31/2025
89bio, Inc. 13G/A Amendment 8
ETNB · 282559103
 3.6% 10/7/2025
Event 9/30/2025
Invivyd, Inc. 13G
IVVD · 00534A102
 11.6% 9/8/2025
Event 8/29/2025
Vistagen Therapeutics, Inc. 13G
VTGN · 92840H400
 13.6% 9/8/2025
Event 8/29/2025
Benitec Biopharma Inc. 13G/A Amendment 9
BNTC · 08205P209
 11.3% 8/14/2025
Event 6/30/2025
Maze Therapeutics, Inc. 13G/A Amendment 1
MAZE · 578784100
 6.0% 8/14/2025
Event 3/31/2025
Lexeo Therapeutics, Inc. 13G/A Amendment 5
LXEO · 52886X107
 11.1% 8/14/2025
Event 6/30/2025
Forte Biosciences, Inc. 13G/A Amendment 2
FBRX · 34962G208
 9.9% 8/14/2025
Event 6/30/2025
Benitec Biopharma Inc. 13G/A Amendment 8
BNTC · 08205P209
 11.3% 8/14/2025
Event 6/30/2025
Inspired Entertainment, Inc 13G/A Amendment 1
INSE · 45782N108
 5.0% 8/14/2025
Event 6/30/2025
Amdocs Limited 13G/A Amendment 10
DOX · G02602103
 5.2% 8/14/2025
Event 6/30/2025
Edgewise Therapeutics, Inc. 13G/A Amendment 2
EWTX · 28036F105
 5.2% 8/14/2025
Event 6/30/2025
Tyra Biosciences, Inc 13G/A Amendment 1
TYRA · 90240B106
 5.4% 8/14/2025
Event 6/30/2025
Sensient Technologies Corporation 13G/A Amendment 11
SXT · 81725T100
 5.5% 8/14/2025
Event 6/30/2025
Ligand Pharmaceuticals Incorporated 13G/A Amendment 8
LGND · 53220K504
 5.5% 8/14/2025
Event 6/30/2025
Rentokil Initial PLC 13G/A Amendment 3
RKLIF · G7494G105
 5.7% 8/14/2025
Event 6/30/2025
Revolution Medicines, Inc. 13G/A Amendment 2
RVMD · 76155X100
 5.7% 8/14/2025
Event 6/30/2025
Osi Systems, Inc. 13G/A Amendment 11
OSIS · 671044105
 6.3% 8/14/2025
Event 6/30/2025
Ardelyx, Inc. 13G/A Amendment 7
ARDX · 039697107
 6.3% 8/14/2025
Event 6/30/2025
Asure Software Inc 13G/A Amendment 3
ASUR · 04649U102
 6.3% 8/14/2025
Event 6/30/2025
Gildan Activewear Inc 13G/A Amendment 1
GIL · 375916103
 6.6% 8/14/2025
Event 6/30/2025
SS&C Technologies Holdings, Inc. 13G/A Amendment 11
SSNC · 78467J100
 6.7% 8/14/2025
Event 6/30/2025
Sensata Technologies Holding PLC 13G/A Amendment 10
ST · G8060N102
 6.8% 8/14/2025
Event 6/30/2025
Aramark 13G/A Amendment 3
ARMK · 03852U106
 6.9% 8/14/2025
Event 6/30/2025
Ideaya Biosciences, Inc. 13G/A Amendment 4
IDYA · 45166A102
 6.9% 8/14/2025
Event 6/30/2025