Significant Ownership of JANUS HENDERSON GROUP PLC

Signature - Title
Kristin Mariani - Head of North America Compliance, CCO
Location
London, United Kingdom
Summary
This page shows a list of all the recent SCHEDULE 13D/G filings made by JANUS HENDERSON GROUP PLC.

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Significant Ownership of JANUS HENDERSON GROUP PLC

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
MNPR MONOPAR THERAPEUTICS INC Common Stock 19.5% $105M $9.39M 1.29M +9.81% JANUS HENDERSON GROUP PLC 30 Sep 2025
DRUG BRIGHT MINDS BIOSCIENCES INC. Common Stock 16.3% $28.4M $851K 1.15M +3.09% JANUS HENDERSON GROUP PLC 30 Jun 2025
CMPR CIMPRESS PLC Common Stock 13.7% $211M $2.03M 3.35M +0.97% JANUS HENDERSON GROUP PLC 30 Sep 2025
VTGN VISTAGEN THERAPEUTICS, INC. Common Stock 13.6% $13.3M 4.17M JANUS HENDERSON GROUP PLC 29 Aug 2025
CCSI Consensus Cloud Solutions, Inc. Common Stock 13.1% $72.7M -$1.31M 2.48M -1.77% JANUS HENDERSON GROUP PLC 30 Sep 2025
PRAX PRAXIS PRECISION MEDICINES, INC Common Stock 12.3% $146M $12.2M 2.76M +9.1% JANUS HENDERSON GROUP PLC 30 Sep 2025
ENTA ENANTA PHARMACEUTICALS INC Common Stock 12.1% $41.8M 3.49M JANUS HENDERSON GROUP PLC 31 Oct 2025
IVVD INVIVYD, INC. Common Stock 12.1% $27.9M $1.22M 25.4M +4.58% JANUS HENDERSON GROUP PLC 30 Sep 2025
TVTX TRAVERE THERAPEUTICS, INC Common Stock 11.9% $253M -$17.7M 10.6M -6.53% JANUS HENDERSON GROUP PLC 30 Sep 2025
SLNO SOLENO THERAPEUTICS, INC. Common Stock 11.4% $409M $50.6M 6.06M +14.1% JANUS HENDERSON GROUP PLC 30 Sep 2025
WEX WEX, Inc. Common Stock 11.3% $569M -$20.3M 3.87M -3.44% JANUS HENDERSON GROUP PLC 30 Jun 2025
TARA PROTARA THERAPEUTICS, INC. Common Stock 11% $18.4M $560K 4.23M +3.14% JANUS HENDERSON GROUP PLC 30 Sep 2025
MIRM MIRUM PHARAMACEUTICALS, INC. Common Stock 10.6% $388M $31.9M 5.45M +8.95% JANUS HENDERSON GROUP PLC 28 Nov 2025
DYN DYNE THERAPEUTICS INC Common Stock 10.4% $187M $4.43M 14.7M +2.43% JANUS HENDERSON GROUP PLC 30 Sep 2025
SGRY SURGERY PARTNERS, INC. Common Stock 10.2% $282M $1.77M 13M +0.63% JANUS HENDERSON GROUP PLC 30 Sep 2025
MREO MEREO BIOPHARMA GROUP PLC American Depositary Shares 10.2% $33.6M -$2.88M 16.3M -7.91% JANUS HENDERSON GROUP PLC 30 Sep 2025
PCVX VAXCYTE, INC. Common Stock 10.1% $472M -$57.2M 13.1M -10.8% JANUS HENDERSON GROUP PLC 30 Sep 2025
ICUI ICU MEDICAL, INC. Common Stock 10% $326M $272K 2.47M +0.08% JANUS HENDERSON GROUP PLC 30 Jun 2025
JANX JANUX THERAPEUTICS, INC. Common Stock 10% $147M $38.5M 6.03M +35.3% JANUS HENDERSON GROUP PLC 31 Oct 2025
LXEO LEXEO THERAPEUTICS, INC. Common Stock 9.99% $65.9M $10.7M 7.29M +19.4% JANUS HENDERSON GROUP PLC 28 Nov 2025
BNTC BENITEC BIOPHARMA INC. Common Stock 9.99% $44.5M -$292M 3.38M -86.8% JANUS HENDERSON GROUP PLC 28 Nov 2025
PALI PALISADE BIO, INC. Common Stock 9.99% $27.8M 14.9M JANUS HENDERSON GROUP PLC 28 Nov 2025
INO INOVIO PHARMACEUTICALS, INC. Common Stock 9.99% $13M $6.63M 6.67M +104% JANUS HENDERSON GROUP PLC 28 Nov 2025
OVID OVID THERAPEUTICS INC. Common Stock 9.99% $9.46M 7.11M JANUS HENDERSON GROUP PLC 28 Nov 2025
EQ EQUILLIUM, INC. Common Stock 9.99% $8.76M 6.08M JANUS HENDERSON GROUP PLC 28 Nov 2025
IMUX IMMUNIC, INC. Common Stock 9.99% $8.53M $6.62M 12M +347% JANUS HENDERSON GROUP PLC 28 Nov 2025
KTTA PASITHEA THERAPEUTICS CORP. Common Stock 9.99% $7.16M 10.2M JANUS HENDERSON GROUP PLC 28 Nov 2025
TENX TENAX THERAPEUTICS, INC. Common Stock 9.99% $4.17M $3.06M 624K +274% JANUS HENDERSON GROUP PLC 28 Nov 2025
PTNT PALATIN TECHNOLOGIES INC Common Stock 9.99% $1.3M 170K JANUS HENDERSON GROUP PLC 28 Nov 2025
FBRX FORTE BIOSCIENCES, INC. Common Stock 9.9% $6.94M 658K 0% JANUS HENDERSON GROUP PLC 30 Jun 2025
LNTH LANTHEUS HOLDINGS, INC. Common Stock 9.8% $343M -$13M 6.68M -3.66% JANUS HENDERSON GROUP PLC 30 Sep 2025
TFX TELEFLEX INCORPORATED Common Stock 9.4% $497M -$21.2M 4.15M -4.09% JANUS HENDERSON GROUP PLC 30 Jun 2025
ZD ZIFF DAVIS, INC. Common Stock 8.4% $131M -$4.95M 3.44M -3.64% JANUS HENDERSON GROUP PLC 30 Sep 2025
MDGL MADRIGAL PHARMACEUTICALS, INC. Common Stock 8.3% $845M -$160M 1.84M -15.9% JANUS HENDERSON GROUP PLC 30 Sep 2025
ASMB ASSEMBLY BIOSCIENCES, INC. Common Stock 8.2% $44.4M 1.34M JANUS HENDERSON GROUP PLC 28 Nov 2025
AKRO AKERO THERAPEUTICS, INC. Ordinary Shares 7.9% $298M -$21.8M 6.28M -6.8% JANUS HENDERSON GROUP PLC 30 Sep 2025
ASND ASCENDIS PHARMA A/S American Depositary Shares 7.8% $859M -$20.8M 4.32M -2.37% JANUS HENDERSON GROUP PLC 30 Sep 2025
GPCR STRUCTURE THERAPEUTICS INC American Depositary Shares 7.7% $125M -$3.48M 4.45M -2.72% JANUS HENDERSON GROUP PLC 30 Sep 2025
AVDL AVADEL PHARMACEUTICALS PLC Common Stock 7.7% $113M -$56.5M 7.43M -33.3% JANUS HENDERSON GROUP PLC 30 Sep 2025
IDYA IDEAYA BIOSCIENCES, INC. Common Stock 7.3% $175M $6.04M 6.43M +3.58% JANUS HENDERSON GROUP PLC 30 Sep 2025
MAZE MAZE THERAPEUTICS, INC. Common Stock 7.3% $83.1M $15.1M 3.21M +22.1% JANUS HENDERSON GROUP PLC 30 Sep 2025
FLEX FLEX LTD. Ordinary Shares 7% $1.53B -$10M 26.3M -0.65% JANUS HENDERSON GROUP PLC 30 Sep 2025
GIL GILDAN ACTIVEWEAR INC Common Stock 7% $607M $33.1M 10.5M +5.78% JANUS HENDERSON GROUP PLC 30 Sep 2025
ARMK ARAMARK Common Stock 6.9% $784M $62.5M 18M +8.67% JANUS HENDERSON GROUP PLC 30 Jun 2025
ST SENSATA TECHNOLOGIES HOLDING PLC Ordinary Shares 6.9% $307M $2.67M 10.1M +0.88% JANUS HENDERSON GROUP PLC 30 Sep 2025
SSNC SS&C TECHNOLOGIES HOLDINGS, INC. Common Stock 6.8% $1.47B $3.68M 16.5M +0.25% JANUS HENDERSON GROUP PLC 30 Sep 2025
RVTY REVVITY, INC. American Depositary Shares 6.6% $669M $35.5M 7.63M +5.62% JANUS HENDERSON GROUP PLC 30 Sep 2025
BHVN BIOHAVEN LTD. Common Stock 6.4% $102M $25.8M 6.77M +34% JANUS HENDERSON GROUP PLC 30 Sep 2025
RVMD REVOLUTION MEDICINES, INC. Common Stock 6.1% $530M $35.7M 11.4M +7.23% JANUS HENDERSON GROUP PLC 30 Sep 2025
GMED GLOBUS MEDICAL, INC. Class A Common Stock 6.1% $522M $30.8M 7.03M +6.27% JANUS HENDERSON GROUP PLC 31 Mar 2025
ASUR ASURE SOFTWARE INC Class A Common Stock 6.1% $13.8M -$317K 1.68M -2.25% JANUS HENDERSON GROUP PLC 30 Sep 2025
DAY DAYFORCE, INC. Common Stock 6% $647M $69.8M 9.4M +12.1% JANUS HENDERSON GROUP PLC 30 Sep 2025
OCGN OCUGEN, INC. Common Stock 6% $26.8M 20M JANUS HENDERSON GROUP PLC 28 Nov 2025
OSIS OSI SYSTEMS, INC. Common Stock 5.9% $249M -$13.1M 1M -4.98% JANUS HENDERSON GROUP PLC 30 Sep 2025
ARDX ARDELYX, INC. Common Stock 5.7% $76.2M -$6.8M 13.8M -8.19% JANUS HENDERSON GROUP PLC 30 Sep 2025
RENTOKIL INITIAL PLC Common Stock 5.6% -$2.24M 142M -0.31% JANUS HENDERSON GROUP PLC 30 Sep 2025
RNA AVIDITY BIOSCIENCES, INC. Common Stock 5.5% $583M -$446M 8.22M -43.4% JANUS HENDERSON GROUP PLC 28 Nov 2025
SXT SENSIENT TECHNOLOGIES CORPORATION Common Stock 5.4% $215M -$4.37M 2.29M -2% JANUS HENDERSON GROUP PLC 30 Sep 2025
TYRA TYRA BIOSCIENCES, INC Common Stock 5.4% $29.3M $1.67M 2.86M +6.05% JANUS HENDERSON GROUP PLC 30 Jun 2025
APG API GROUP CORP Common Stock 5.3% $764M 22.2M JANUS HENDERSON GROUP PLC 30 Sep 2025
LGND LIGAND PHARMACEUTICALS INCORPORATED Common Stock 5.3% $185M -$3.25M 1.04M -1.73% JANUS HENDERSON GROUP PLC 30 Sep 2025
OLMA OLEMA PHARMACEUTICALS, INC. Common Stock 5.2% $35.1M 3.59M JANUS HENDERSON GROUP PLC 30 Sep 2025
MTSR METSERA, INC. Common Stock 5.1% $280M 5.35M JANUS HENDERSON GROUP PLC 30 Sep 2025
XENE XENON PHARMACEUTICALS INC. Common Stock 5.1% $158M 3.94M JANUS HENDERSON GROUP PLC 30 Sep 2025
BMEA BIOMEA FUSION, INC. Common Stock 5% $4.73M 3.75M JANUS HENDERSON GROUP PLC 28 Nov 2025
INSE INSPIRED ENTERTAINMENT, INC Common Stock 4.9% $12.4M -$285K 1.32M -2.24% JANUS HENDERSON GROUP PLC 30 Sep 2025
FDMT 4D Molecular Therapeutics, Inc. Common Stock 4.9% $7.32M 2.25M JANUS HENDERSON GROUP PLC 31 Dec 2024
FWONK LIBERTY MEDIA CORPORATION Series C Liberty Formula One Common Stock 4.8% $1.12B -$292M 10.7M -20.7% JANUS HENDERSON GROUP PLC 30 Sep 2025
NEO NEOGENOMICS INC Common Stock 4.8% $63.3M 6.17M JANUS HENDERSON GROUP PLC 31 Dec 2024
EWTX EDGEWISE THERAPEUTICS, INC. Common Stock 4.7% $80.8M -$8.5M 4.98M -9.52% JANUS HENDERSON GROUP PLC 30 Sep 2025
WD WALKER & DUNLOP, INC. Common Stock 4.6% $110M -$21.3M 1.56M -16.2% JANUS HENDERSON GROUP PLC 30 Jun 2025
SKIN The Beauty Health Company Common Stock 4.5% $10.9M -$4.85M 5.72M -30.8% JANUS HENDERSON GROUP PLC 30 Jun 2025
BLKB BLACKBAUD, INC. Common Stock 4.3% $135M -$48.6M 2.12M -26.4% JANUS HENDERSON GROUP PLC 31 Mar 2025
TRDA ENTRADA THERAPEUTICS, INC. Common Stock 4% $9.96M -$3.93M 1.52M -28.3% JANUS HENDERSON GROUP PLC 30 Jun 2025
ETNB 89bio, Inc. Common Stock 3.6% $79.1M -$227M 5.38M -74.1% JANUS HENDERSON GROUP PLC 30 Sep 2025
ZAI LAB LTD Common Stock 3.6% 39.5M -41% JANUS HENDERSON GROUP PLC 31 Mar 2025
CZR CAESARS ENTERTAINMENT INC Common Stock 3.3% $199M 7.1M JANUS HENDERSON GROUP PLC 31 Dec 2024
DBV TECHNOLOGIES S.A. Common Stock 2.6% 5.27M JANUS HENDERSON GROUP PLC 28 Nov 2025
DOX AMDOCS LIMITED Ordinary Shares 2.3% $204M -$271M 2.49M -57.1% JANUS HENDERSON GROUP PLC 30 Sep 2025
IMNM IMMUNOME INC Common Stock 2.2% $16.3M -$13.1M 1.91M -44.6% JANUS HENDERSON GROUP PLC 31 Mar 2025
PEPG PEPGEN INC Common Stock 1.6% $836K 522K JANUS HENDERSON GROUP PLC 31 Dec 2024
VRNA VERONA PHARMA PLC American Depositary Shares 1.2% $108M -$547M 1.01M -83.5% JANUS HENDERSON GROUP PLC 30 Sep 2025
OABI OMNIAB, INC. Common Stock 0.8% $2.09M -$15.7M 948K -88.2% JANUS HENDERSON GROUP PLC 30 Jun 2025
CATX PERSPECTIVE THERAPEUTICS INC Common Stock 0% $43.3K 17.8K JANUS HENDERSON GROUP PLC 31 Dec 2024
CRGX CARGO THERAPEUTICS, INC. Common Stock 0% $36.6K -$13.1M 7.9K -99.7% JANUS HENDERSON GROUP PLC 31 Mar 2025
APLT APPLIED THERAPEUTICS INC Common Stock 0% $14K -$4.71M 35.8K -99.7% JANUS HENDERSON GROUP PLC 31 Dec 2024
LRMR LARIMAR THERAPEUTICS, INC. Common Stock 0% $0 -$22.4M 0 -100% JANUS HENDERSON GROUP PLC 31 Mar 2025
NGNE NEUROGENE INC. Common Stock 0% $0 0 JANUS HENDERSON GROUP PLC 31 Dec 2024
DTIL Precision BioSciences, Inc. Common Stock 0% $0 0 JANUS HENDERSON GROUP PLC 31 Dec 2024
CTMX CytomX Therapeutics, Inc. Common Stock 0% $0 0 JANUS HENDERSON GROUP PLC 31 Dec 2024

Schedules 13D/G Reported by JANUS HENDERSON GROUP PLC:

Sym Target Class Ownership Change Current Shares Change Value Reporting name Form Report Period Filing Date
* An asterisk sign (*) next to the price indicates that the price is likely invalid.