Janus Henderson Group Plc - Significant Ownership

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.

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 19.2% $42.3M $1.37M 1.17M +3.35% JANUS HENDERSON GROUP PLC Jun 30, 2025
DRUG BRIGHT MINDS BIOSCIENCES INC. Common Stock 16.3% $48.9M $1.46M 1.15M +3.09% JANUS HENDERSON GROUP PLC Jun 30, 2025
ETNB 89BIO, INC. Common Stock 14.2% $182M $2.84M 20.8M +1.58% JANUS HENDERSON GROUP PLC Jun 30, 2025
VTGN VISTAGEN THERAPEUTICS, INC. Common Stock 13.6% $13.2M 4.17M JANUS HENDERSON GROUP PLC Aug 29, 2025
CMPR CIMPRESS PLC Common Stock 13.3% $208M $1.26M 3.32M +0.61% JANUS HENDERSON GROUP PLC Jun 30, 2025
CCSI Consensus Cloud Solutions, Inc. Common Stock 12.9% $63.9M $705K 2.52M +1.12% JANUS HENDERSON GROUP PLC Jun 30, 2025
TVTX TRAVERE THERAPEUTICS, INC Common Stock 12.8% $243M $80.8M 11.3M +49.9% JANUS HENDERSON GROUP PLC Jul 31, 2025
PRAX PRAXIS PRECISION MEDICINES, INC Common Stock 12.4% $118M $10.9M 2.53M +10.1% JANUS HENDERSON GROUP PLC Jun 30, 2025
IVVD INVIVYD, INC. Common Stock 11.6% $21.1M 24.3M JANUS HENDERSON GROUP PLC Aug 29, 2025
AVDL AVADEL PHARMACEUTICALS PLC Common Stock 11.5% $165M -$36.4M 11.1M -18.1% JANUS HENDERSON GROUP PLC Jun 30, 2025
PCVX VAXCYTE, INC. Common Stock 11.4% $464M $4.77M 14.7M +1.04% JANUS HENDERSON GROUP PLC Jun 30, 2025
WEX WEX, Inc. Common Stock 11.3% $675M -$24M 3.87M -3.44% JANUS HENDERSON GROUP PLC Jun 30, 2025
BNTC BENITEC BIOPHARMA INC. Common Stock 11.3% $37.8M -$210K 2.9M -0.55% JANUS HENDERSON GROUP PLC Jun 30, 2025
MREO MEREO BIOPHARMA GROUP PLC American Depositary Shares 11.1% $31M -$8.83M 17.7M -22.2% JANUS HENDERSON GROUP PLC Jun 30, 2025
LXEO LEXEO THERAPEUTICS, INC. Common Stock 11.1% $17.4M -$4.12M 3.68M -19.2% JANUS HENDERSON GROUP PLC Jun 30, 2025
MIRM MIRUM PHARAMACEUTICALS, INC. Common Stock 10.6% $395M $11.7M 5.24M +3.04% JANUS HENDERSON GROUP PLC Jun 30, 2025
TARA PROTARA THERAPEUTICS, INC. Common Stock 10.6% $12.7M $744K 4.1M +6.22% JANUS HENDERSON GROUP PLC Jun 30, 2025
SLNO SOLENO THERAPEUTICS, INC. Common Stock 10.5% $363M $10.6M 5.31M +3.01% JANUS HENDERSON GROUP PLC Jun 30, 2025
RNA AVIDITY BIOSCIENCES, INC. Common Stock 10.1% $356M $19.7M 12.1M +5.85% JANUS HENDERSON GROUP PLC Jul 31, 2025
SGRY SURGERY PARTNERS, INC. Common Stock 10.1% $301M $30.5M 13M +11.3% JANUS HENDERSON GROUP PLC Jun 30, 2025
DYN DYNE THERAPEUTICS INC Common Stock 10.1% $181M $50.8M 14.4M +39% JANUS HENDERSON GROUP PLC Jul 31, 2025
LNTH LANTHEUS HOLDINGS, INC. Common Stock 10% $404M -$935K 6.94M -0.23% JANUS HENDERSON GROUP PLC Jun 30, 2025
ICUI ICU MEDICAL, INC. Common Stock 10% $304M $253K 2.47M +0.08% JANUS HENDERSON GROUP PLC Jun 30, 2025
MDGL MADRIGAL PHARMACEUTICALS, INC. Common Stock 9.9% $958M -$6.22M 2.19M -0.65% JANUS HENDERSON GROUP PLC Jun 30, 2025
FBRX FORTE BIOSCIENCES, INC. Common Stock 9.9% $7.52M 658K 0% JANUS HENDERSON GROUP PLC Jun 30, 2025
TFX TELEFLEX INCORPORATED Common Stock 9.4% $465M -$19.8M 4.15M -4.09% JANUS HENDERSON GROUP PLC Jun 30, 2025
AKRO AKERO THERAPEUTICS, INC. Ordinary Shares 8.5% $329M -$16.1M 6.74M -4.67% JANUS HENDERSON GROUP PLC Jun 30, 2025
ZD ZIFF DAVIS, INC. Common Stock 8.5% $133M $975K 3.57M +0.74% JANUS HENDERSON GROUP PLC Jun 30, 2025
ASND ASCENDIS PHARMA A/S American Depositary Shares 8% $871M -$13.6M 4.43M -1.54% JANUS HENDERSON GROUP PLC Jun 30, 2025
GPCR STRUCTURE THERAPEUTICS INC American Depositary Shares 8% $86.1M $4.09M 4.57M +5% JANUS HENDERSON GROUP PLC Jun 30, 2025
JANX JANUX THERAPEUTICS, INC. Common Stock 7.5% $103M -$3.19M 4.46M -3.01% JANUS HENDERSON GROUP PLC Jun 30, 2025
VRNA VERONA PHARMA PLC American Depositary Shares 7.2% $648M $62.8M 6.13M +10.7% JANUS HENDERSON GROUP PLC Jun 30, 2025
FLEX FLEX LTD. Ordinary Shares 7.1% $1.37B $8.82M 26.5M +0.65% JANUS HENDERSON GROUP PLC Jun 30, 2025
ARMK ARAMARK Common Stock 6.9% $707M $56.4M 18M +8.67% JANUS HENDERSON GROUP PLC Jun 30, 2025
IDYA IDEAYA BIOSCIENCES, INC. Common Stock 6.9% $156M -$4.93M 6.21M -3.07% JANUS HENDERSON GROUP PLC Jun 30, 2025
ST SENSATA TECHNOLOGIES HOLDING PLC Ordinary Shares 6.8% $334M $2M 9.97M +0.6% JANUS HENDERSON GROUP PLC Jun 30, 2025
SSNC SS&C TECHNOLOGIES HOLDINGS, INC. Common Stock 6.7% $1.46B -$640M 16.5M -30.5% JANUS HENDERSON GROUP PLC Jun 30, 2025
GIL GILDAN ACTIVEWEAR INC Common Stock 6.6% $550M $8.12M 9.92M +1.5% JANUS HENDERSON GROUP PLC Jun 30, 2025
OSIS OSI SYSTEMS, INC. Common Stock 6.3% $241M -$41.9M 1.05M -14.8% JANUS HENDERSON GROUP PLC Jun 30, 2025
ARDX ARDELYX, INC. Common Stock 6.3% $91.3M -$60.1M 15.1M -39.7% JANUS HENDERSON GROUP PLC Jun 30, 2025
ASUR ASURE SOFTWARE INC Class A Common Stock 6.3% $14.9M 1.72M 0% JANUS HENDERSON GROUP PLC Jun 30, 2025
FWONK LIBERTY MEDIA CORPORATION Series C Liberty Formula One Common Stock 6.1% $1.35B -$76.9M 13.5M -5.41% JANUS HENDERSON GROUP PLC Jun 30, 2025
RVTY REVVITY, INC. American Depositary Shares 6.1% $644M $77M 7.22M +13.6% JANUS HENDERSON GROUP PLC Mar 31, 2025
GMED GLOBUS MEDICAL, INC. Class A Common Stock 6.1% $522M $30.8M 7.03M +6.27% JANUS HENDERSON GROUP PLC Mar 31, 2025
MAZE MAZE THERAPEUTICS, INC. Common Stock 6% $36.4M 2.63M JANUS HENDERSON GROUP PLC Mar 31, 2025
RVMD REVOLUTION MEDICINES, INC. Common Stock 5.7% $406M $14.6M 10.6M +3.73% JANUS HENDERSON GROUP PLC Jun 30, 2025
RENTOKIL INITIAL PLC Common Stock 5.7% $27.1M 143M +4.1% JANUS HENDERSON GROUP PLC Jun 30, 2025
SXT SENSIENT TECHNOLOGIES CORPORATION Common Stock 5.5% $282M $3.83M 2.33M +1.38% JANUS HENDERSON GROUP PLC Jun 30, 2025
LGND LIGAND PHARMACEUTICALS INCORPORATED Common Stock 5.5% $160M $4.94M 1.06M +3.18% JANUS HENDERSON GROUP PLC Jun 30, 2025
TYRA TYRA BIOSCIENCES, INC Common Stock 5.4% $28.8M $1.65M 2.86M +6.05% JANUS HENDERSON GROUP PLC Jun 30, 2025
DAY DAYFORCE, INC. Common Stock 5.2% $580M 8.38M JANUS HENDERSON GROUP PLC Mar 31, 2025
DOX AMDOCS LIMITED Ordinary Shares 5.2% $502M -$77.7M 5.8M -13.4% JANUS HENDERSON GROUP PLC Jun 30, 2025
EWTX EDGEWISE THERAPEUTICS, INC. Common Stock 5.2% $80.6M $3.24M 5.5M +4.19% JANUS HENDERSON GROUP PLC Jun 30, 2025
INSE INSPIRED ENTERTAINMENT, INC Common Stock 5% $11.7M 1.35M 0% JANUS HENDERSON GROUP PLC Jun 30, 2025
BHVN BIOHAVEN LTD. Common Stock 4.9% $79.4M -$21.8M 5.05M -21.5% JANUS HENDERSON GROUP PLC Jun 30, 2025
FDMT 4D Molecular Therapeutics, Inc. Common Stock 4.9% $5.97M 2.25M JANUS HENDERSON GROUP PLC Dec 31, 2024
NEO NEOGENOMICS INC Common Stock 4.8% $54.4M 6.17M JANUS HENDERSON GROUP PLC Dec 31, 2024
WD WALKER & DUNLOP, INC. Common Stock 4.6% $128M -$24.9M 1.56M -16.2% JANUS HENDERSON GROUP PLC Jun 30, 2025
SKIN The Beauty Health Company Common Stock 4.5% $11.7M -$5.18M 5.72M -30.8% JANUS HENDERSON GROUP PLC Jun 30, 2025
BLKB BLACKBAUD, INC. Common Stock 4.3% $129M -$46.2M 2.12M -26.4% JANUS HENDERSON GROUP PLC Mar 31, 2025
TRDA ENTRADA THERAPEUTICS, INC. Common Stock 4% $8.08M -$3.19M 1.52M -28.3% JANUS HENDERSON GROUP PLC Jun 30, 2025
TENX TENAX THERAPEUTICS, INC. Common Stock 4% $987K -$1.36M 167K -58% JANUS HENDERSON GROUP PLC Jun 30, 2025
ZAI LAB LTD Common Stock 3.6% 39.5M -41% JANUS HENDERSON GROUP PLC Mar 31, 2025
CZR CAESARS ENTERTAINMENT INC Common Stock 3.3% $181M 7.1M JANUS HENDERSON GROUP PLC Dec 31, 2024
IMUX Immunic, Inc. Common Stock 3% $2.42M 2.69M JANUS HENDERSON GROUP PLC Dec 31, 2024
IMNM IMMUNOME INC Common Stock 2.2% $13.6M -$10.9M 1.91M -44.6% JANUS HENDERSON GROUP PLC Mar 31, 2025
PEPG PEPGEN INC Common Stock 1.6% $590K 522K JANUS HENDERSON GROUP PLC Dec 31, 2024
OABI OMNIAB, INC. Common Stock 0.8% $1.75M -$13.2M 948K -88.2% JANUS HENDERSON GROUP PLC Jun 30, 2025
CATX PERSPECTIVE THERAPEUTICS INC Common Stock 0% $33.2K 17.8K JANUS HENDERSON GROUP PLC Dec 31, 2024
CRGX CARGO THERAPEUTICS, INC. Common Stock 0% $32K -$11.4M 7.9K -99.7% JANUS HENDERSON GROUP PLC Mar 31, 2025
APLT APPLIED THERAPEUTICS INC Common Stock 0% $11.5K -$3.86M 35.8K -99.7% JANUS HENDERSON GROUP PLC Dec 31, 2024
CTMX CytomX Therapeutics, Inc. Common Stock 0% $0 0 JANUS HENDERSON GROUP PLC Dec 31, 2024
LRMR LARIMAR THERAPEUTICS, INC. Common Stock 0% $0 -$25.1M 0 -100% JANUS HENDERSON GROUP PLC Mar 31, 2025
NGNE NEUROGENE INC. Common Stock 0% $0 0 JANUS HENDERSON GROUP PLC Dec 31, 2024
DTIL Precision BioSciences, Inc. Common Stock 0% $0 0 JANUS HENDERSON GROUP PLC Dec 31, 2024

Schedules 13D/G Reported by Janus Henderson Group Plc:

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