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 20% $105,096,089 +$9,388,186 1,287,368 +9.8% JANUS HENDERSON GROUP PLC 30 Sep 2025
DRUG BRIGHT MINDS BIOSCIENCES INC. Common Stock 16% $48,850,942 +$1,462,211 1,145,660 +3.1% JANUS HENDERSON GROUP PLC 30 Jun 2025
CMPR CIMPRESS PLC Common Stock 14% $211,068,196 +$2,033,355 3,348,163 +0.97% JANUS HENDERSON GROUP PLC 30 Sep 2025
VTGN VISTAGEN THERAPEUTICS, INC. Common Stock 14% $13,205,481 4,165,767 JANUS HENDERSON GROUP PLC 29 Aug 2025
CCSI Consensus Cloud Solutions, Inc. Common Stock 13% $72,729,753 -$1,308,933 2,476,328 -1.8% JANUS HENDERSON GROUP PLC 30 Sep 2025
PRAX PRAXIS PRECISION MEDICINES, INC Common Stock 12% $146,484,527 +$12,214,062 2,763,859 +9.1% JANUS HENDERSON GROUP PLC 30 Sep 2025
CAMP CAMP4 THERAPEUTICS CORP Common Stock 12% $37,908,892 6,307,636 JANUS HENDERSON GROUP PLC 31 Dec 2025
ENTA ENANTA PHARMACEUTICALS INC Common Stock 12% $41,823,994 3,494,068 JANUS HENDERSON GROUP PLC 31 Oct 2025
IVVD INVIVYD, INC. Common Stock 12% $27,921,385 +$1,222,450 25,383,077 +4.6% JANUS HENDERSON GROUP PLC 30 Sep 2025
TVTX TRAVERE THERAPEUTICS, INC Common Stock 12% $253,331,874 -$17,690,876 10,599,660 -6.5% JANUS HENDERSON GROUP PLC 30 Sep 2025
SLNO SOLENO THERAPEUTICS, INC. Common Stock 11% $409,408,516 +$50,587,108 6,056,339 +14% JANUS HENDERSON GROUP PLC 30 Sep 2025
WEX WEX, Inc. Common Stock 11% $674,935,000 -$24,041,422 3,870,484 -3.4% JANUS HENDERSON GROUP PLC 30 Jun 2025
TARA PROTARA THERAPEUTICS, INC. Common Stock 11% $18,406,290 +$559,893 4,231,331 +3.1% JANUS HENDERSON GROUP PLC 30 Sep 2025
MIRM MIRUM PHARAMACEUTICALS, INC. Common Stock 11% $388,340,181 +$31,912,348 5,445,039 +9% JANUS HENDERSON GROUP PLC 28 Nov 2025
DYN DYNE THERAPEUTICS INC Common Stock 10% $186,530,638 +$4,433,901 14,745,505 +2.4% JANUS HENDERSON GROUP PLC 30 Sep 2025
SGRY SURGERY PARTNERS, INC. Common Stock 10% $282,112,960 +$1,767,282 13,036,583 +0.63% JANUS HENDERSON GROUP PLC 30 Sep 2025
MREO MEREO BIOPHARMA GROUP PLC American Depositary Shares 10% $33,557,668 -$2,880,832 16,290,130 -7.9% JANUS HENDERSON GROUP PLC 30 Sep 2025
PCVX VAXCYTE, INC. Common Stock 10% $472,013,392 -$57,168,819 13,104,203 -11% JANUS HENDERSON GROUP PLC 30 Sep 2025
ICUI ICU MEDICAL, INC. Common Stock 10% $303,729,152 +$253,298 2,470,146 +0.08% JANUS HENDERSON GROUP PLC 30 Jun 2025
JANX JANUX THERAPEUTICS, INC. Common Stock 10% $147,469,714 +$38,459,199 6,033,949 +35% JANUS HENDERSON GROUP PLC 31 Oct 2025
LXEO LEXEO THERAPEUTICS, INC. Common Stock 10% $65,914,563 +$10,720,599 7,291,434 +19% JANUS HENDERSON GROUP PLC 28 Nov 2025
BNTC BENITEC BIOPHARMA INC. Common Stock 10% $44,856,405 -$294,602,379 3,382,836 -87% JANUS HENDERSON GROUP PLC 28 Nov 2025
PALI PALISADE BIO, INC. Common Stock 10% $27,835,737 14,885,421 JANUS HENDERSON GROUP PLC 28 Nov 2025
INO INOVIO PHARMACEUTICALS, INC. Common Stock 10% $13,065,938 +$6,664,069 6,666,295 +104% JANUS HENDERSON GROUP PLC 28 Nov 2025
KTTA PASITHEA THERAPEUTICS CORP. Common Stock 10% $10,843,431 10,229,652 JANUS HENDERSON GROUP PLC 28 Nov 2025
OVID OVID THERAPEUTICS INC. Common Stock 10% $10,671,171 7,114,114 JANUS HENDERSON GROUP PLC 28 Nov 2025
IMUX IMMUNIC, INC. Common Stock 10% $8,531,675 +$6,622,427 12,016,444 +347% JANUS HENDERSON GROUP PLC 28 Nov 2025
EQ EQUILLIUM, INC. Common Stock 10% $6,204,904 6,083,239 JANUS HENDERSON GROUP PLC 28 Nov 2025
TENX TENAX THERAPEUTICS, INC. Common Stock 10% $5,906,752 +$4,328,424 623,733 +274% JANUS HENDERSON GROUP PLC 28 Nov 2025
PTN PALATIN TECHNOLOGIES INC Common Stock 10% $2,888,247 170,097 JANUS HENDERSON GROUP PLC 28 Nov 2025
FBRX FORTE BIOSCIENCES, INC. Common Stock 9.9% $7,515,328 657,509 0% JANUS HENDERSON GROUP PLC 30 Jun 2025
LNTH LANTHEUS HOLDINGS, INC. Common Stock 9.8% $342,860,161 -$13,040,329 6,684,737 -3.7% JANUS HENDERSON GROUP PLC 30 Sep 2025
TFX TELEFLEX INCORPORATED Common Stock 9.4% $465,008,801 -$19,807,812 4,149,271 -4.1% JANUS HENDERSON GROUP PLC 30 Jun 2025
DBV TECHNOLOGIES S.A. Common Stock 8.8% 20,469,392 +288% JANUS HENDERSON GROUP PLC 31 Dec 2025
ZD ZIFF DAVIS, INC. Common Stock 8.4% $131,029,443 -$4,946,066 3,439,093 -3.6% JANUS HENDERSON GROUP PLC 30 Sep 2025
MDGL MADRIGAL PHARMACEUTICALS, INC. Common Stock 8.3% $845,168,380 -$160,101,270 1,842,690 -16% JANUS HENDERSON GROUP PLC 30 Sep 2025
ASMB ASSEMBLY BIOSCIENCES, INC. Common Stock 8.2% $51,648,058 1,341,508 JANUS HENDERSON GROUP PLC 28 Nov 2025
AKRO AKERO THERAPEUTICS, INC. Ordinary Shares 7.9% $298,188,881 -$21,757,757 6,280,305 -6.8% JANUS HENDERSON GROUP PLC 30 Sep 2025
ASND ASCENDIS PHARMA A/S American Depositary Shares 7.8% $859,467,360 -$20,821,968 4,323,059 -2.4% JANUS HENDERSON GROUP PLC 30 Sep 2025
GPCR STRUCTURE THERAPEUTICS INC American Depositary Shares 7.7% $124,567,128 -$3,477,040 4,448,826 -2.7% JANUS HENDERSON GROUP PLC 30 Sep 2025
AVDL AVADEL PHARMACEUTICALS PLC Common Stock 7.7% $113,451,794 -$56,535,847 7,429,718 -33% JANUS HENDERSON GROUP PLC 30 Sep 2025
IDYA IDEAYA BIOSCIENCES, INC. Common Stock 7.3% $174,915,104 +$6,043,368 6,428,339 +3.6% JANUS HENDERSON GROUP PLC 30 Sep 2025
MAZE MAZE THERAPEUTICS, INC. Common Stock 7.3% $83,143,178 +$15,075,145 3,206,472 +22% JANUS HENDERSON GROUP PLC 30 Sep 2025
FLEX FLEX LTD. Ordinary Shares 7% $1,525,181,773 -$9,998,724 26,309,846 -0.65% JANUS HENDERSON GROUP PLC 30 Sep 2025
GIL GILDAN ACTIVEWEAR INC Common Stock 7% $606,719,548 +$33,131,191 10,496,878 +5.8% JANUS HENDERSON GROUP PLC 30 Sep 2025
ARMK ARAMARK Common Stock 6.9% $707,226,893 +$56,439,690 17,963,599 +8.7% JANUS HENDERSON GROUP PLC 30 Jun 2025
ST SENSATA TECHNOLOGIES HOLDING PLC Ordinary Shares 6.9% $307,320,322 +$2,666,251 10,059,585 +0.88% JANUS HENDERSON GROUP PLC 30 Sep 2025
SSNC SS&C TECHNOLOGIES HOLDINGS, INC. Common Stock 6.8% $1,467,796,604 +$3,684,605 16,536,690 +0.25% JANUS HENDERSON GROUP PLC 30 Sep 2025
RVTY REVVITY, INC. American Depositary Shares 6.6% $668,529,251 +$35,545,406 7,627,259 +5.6% JANUS HENDERSON GROUP PLC 30 Sep 2025
BHVN BIOHAVEN LTD. Common Stock 6.4% $101,649,416 +$25,795,961 6,772,113 +34% JANUS HENDERSON GROUP PLC 30 Sep 2025
RVMD REVOLUTION MEDICINES, INC. Common Stock 6.1% $530,327,722 +$35,740,771 11,356,054 +7.2% JANUS HENDERSON GROUP PLC 30 Sep 2025
GMED GLOBUS MEDICAL, INC. Class A Common Stock 6.1% $522,135,958 +$30,787,723 7,029,294 +6.3% JANUS HENDERSON GROUP PLC 31 Mar 2025
ASUR ASURE SOFTWARE INC Class A Common Stock 6.1% $13,752,294 -$316,528 1,677,109 -2.2% JANUS HENDERSON GROUP PLC 30 Sep 2025
DAY DAYFORCE, INC. Common Stock 6% $647,420,298 +$69,826,973 9,397,885 +12% JANUS HENDERSON GROUP PLC 30 Sep 2025
OCGN OCUGEN, INC. Common Stock 6% $23,600,000 20,000,000 JANUS HENDERSON GROUP PLC 28 Nov 2025
OSIS OSI SYSTEMS, INC. Common Stock 5.9% $249,312,529 -$13,068,899 1,000,291 -5% JANUS HENDERSON GROUP PLC 30 Sep 2025
ARDX ARDELYX, INC. Common Stock 5.7% $76,170,752 -$6,798,497 13,824,093 -8.2% JANUS HENDERSON GROUP PLC 30 Sep 2025
RENTOKIL INITIAL PLC Common Stock 5.6% -$2,244,147 142,436,808 -0.31% JANUS HENDERSON GROUP PLC 30 Sep 2025
RNA AVIDITY BIOSCIENCES, INC. Common Stock 5.5% $582,654,041 -$446,149,257 8,224,930 -43% JANUS HENDERSON GROUP PLC 28 Nov 2025
SXT SENSIENT TECHNOLOGIES CORPORATION Common Stock 5.4% $214,554,990 -$4,369,281 2,286,148 -2% JANUS HENDERSON GROUP PLC 30 Sep 2025
TYRA TYRA BIOSCIENCES, INC Common Stock 5.4% $28,848,529 +$1,646,835 2,856,290 +6.1% JANUS HENDERSON GROUP PLC 30 Jun 2025
APG API GROUP CORP Common Stock 5.3% $763,991,448 22,228,439 JANUS HENDERSON GROUP PLC 30 Sep 2025
LGND LIGAND PHARMACEUTICALS INCORPORATED Common Stock 5.3% $184,646,839 -$3,251,582 1,042,378 -1.7% JANUS HENDERSON GROUP PLC 30 Sep 2025
OLMA OLEMA PHARMACEUTICALS, INC. Common Stock 5.2% $35,105,462 3,585,849 JANUS HENDERSON GROUP PLC 30 Sep 2025
MTSR METSERA, INC. Common Stock 5.1% $280,110,530 5,352,751 JANUS HENDERSON GROUP PLC 30 Sep 2025
XENE XENON PHARMACEUTICALS INC. Common Stock 5.1% $158,346,983 3,943,885 JANUS HENDERSON GROUP PLC 30 Sep 2025
BMEA BIOMEA FUSION, INC. Common Stock 5% $3,787,500 3,750,000 JANUS HENDERSON GROUP PLC 28 Nov 2025
INSE INSPIRED ENTERTAINMENT, INC Common Stock 4.9% $12,424,345 -$284,889 1,324,557 -2.2% JANUS HENDERSON GROUP PLC 30 Sep 2025
FDMT 4D Molecular Therapeutics, Inc. Common Stock 4.9% $5,968,436 2,252,240 JANUS HENDERSON GROUP PLC 31 Dec 2024
FWONK LIBERTY MEDIA CORPORATION Series C Liberty Formula One Common Stock 4.8% $1,121,643,010 -$292,351,894 10,738,564 -21% JANUS HENDERSON GROUP PLC 30 Sep 2025
NEO NEOGENOMICS INC Common Stock 4.8% $54,437,506 6,165,063 JANUS HENDERSON GROUP PLC 31 Dec 2024
EWTX EDGEWISE THERAPEUTICS, INC. Common Stock 4.7% $80,764,749 -$8,499,572 4,979,331 -9.5% JANUS HENDERSON GROUP PLC 30 Sep 2025
WD WALKER & DUNLOP, INC. Common Stock 4.6% $128,223,262 -$24,863,455 1,559,135 -16% JANUS HENDERSON GROUP PLC 30 Jun 2025
SKIN The Beauty Health Company Common Stock 4.5% $11,665,873 -$5,184,631 5,718,565 -31% JANUS HENDERSON GROUP PLC 30 Jun 2025
BLKB BLACKBAUD, INC. Common Stock 4.3% $128,608,774 -$46,225,983 2,122,257 -26% JANUS HENDERSON GROUP PLC 31 Mar 2025
TRDA ENTRADA THERAPEUTICS, INC. Common Stock 4% $8,078,002 -$3,187,981 1,521,281 -28% JANUS HENDERSON GROUP PLC 30 Jun 2025
ETNB 89bio, Inc. Common Stock 3.6% $79,062,546 -$226,538,863 5,378,185 -74% JANUS HENDERSON GROUP PLC 30 Sep 2025
ZAI LAB LTD Common Stock 3.6% 39,501,040 -41% JANUS HENDERSON GROUP PLC 31 Mar 2025
CZR CAESARS ENTERTAINMENT INC Common Stock 3.3% $180,742,973 7,101,885 JANUS HENDERSON GROUP PLC 31 Dec 2024
DOX AMDOCS LIMITED Ordinary Shares 2.3% $204,096,503 -$271,399,164 2,487,465 -57% JANUS HENDERSON GROUP PLC 30 Sep 2025
IMNM IMMUNOME INC Common Stock 2.2% $13,594,782 -$10,942,385 1,914,758 -45% JANUS HENDERSON GROUP PLC 31 Mar 2025
PEPG PEPGEN INC Common Stock 1.6% $590,149 522,256 JANUS HENDERSON GROUP PLC 31 Dec 2024
VRNA VERONA PHARMA PLC American Depositary Shares 1.2% $107,837,284 -$546,765,073 1,010,564 -84% JANUS HENDERSON GROUP PLC 30 Sep 2025
OABI OMNIAB, INC. Common Stock 0.8% $1,754,603 -$13,165,225 948,434 -88% JANUS HENDERSON GROUP PLC 30 Jun 2025
CATX PERSPECTIVE THERAPEUTICS INC Common Stock 0% $33,181 17,839 JANUS HENDERSON GROUP PLC 31 Dec 2024
CRGX CARGO THERAPEUTICS, INC. Common Stock 0% $31,995 -$11,431,708 7,900 -100% JANUS HENDERSON GROUP PLC 31 Mar 2025
APLT APPLIED THERAPEUTICS INC Common Stock 0% $11,453 -$3,862,118 35,791 -100% JANUS HENDERSON GROUP PLC 31 Dec 2024
DTIL Precision BioSciences, Inc. Common Stock 0% $0 0 JANUS HENDERSON GROUP PLC 31 Dec 2024
LRMR LARIMAR THERAPEUTICS, INC. Common Stock 0% $0 -$25,128,815 0 -100% JANUS HENDERSON GROUP PLC 31 Mar 2025
CTMX CytomX Therapeutics, Inc. Common Stock 0% $0 0 JANUS HENDERSON GROUP PLC 31 Dec 2024
NGNE NEUROGENE 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.