Significant Ownership of JANUS HENDERSON GROUP PLC
- Signature - Title
- Kristin Mariani - Head of North America Compliance
- 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% | $105,138,701 | +$9,391,992 | 1,287,368 | +9.8% | JANUS HENDERSON GROUP PLC | 30 Sep 2025 |
| DRUG | BRIGHT MINDS BIOSCIENCES INC. | Common Stock | 15% | $103,357,513 | +$924,052 | 1,155,995 | +0.9% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 |
| CMPR | CIMPRESS PLC | Ordinary Shares | 15% | $284,891,086 | +$21,424,139 | 3,620,423 | +8.1% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 |
| PMN | PROMIS NEUROSCIENCES INC. | Common Shares | 14% | $542,958 | 1,292,757 | JANUS HENDERSON GROUP PLC | 31 Mar 2026 | ||
| SLNO | SOLENO THERAPEUTICS, INC. | Common Stock | 13% | $297,973,475 | +$46,574,843 | 7,178,354 | +19% | JANUS HENDERSON GROUP PLC | 31 Dec 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 |
| BHVN | BIOHAVEN LTD. | Common Shares | 13% | $189,711,052 | +$113,253,896 | 16,803,459 | +148% | JANUS HENDERSON GROUP PLC | 30 Jan 2026 |
| 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 |
| MIRM | MIRUM PHARAMACEUTICALS, INC. | Common Stock | 12% | $479,098,679 | +$48,995,048 | 6,065,308 | +11% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 |
| FBRX | FORTE BIOSCIENCES, INC. | Common Stock | 11% | $38,881,157 | +$20,950,887 | 1,425,785 | +117% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 |
| WEX | WEX, Inc. | Common Stock | 11% | $568,535,395 | -$20,251,431 | 3,870,484 | -3.4% | JANUS HENDERSON GROUP PLC | 30 Jun 2025 |
| FDMT | 4D MOLECULAR THERAPEUTICS, INC. | Common Stock | 10% | $48,852,550 | +$5,691,163 | 5,247,151 | +13% | JANUS HENDERSON GROUP PLC | 31 Mar 2026 |
| SGRY | SURGERY PARTNERS, INC. | Common Stock | 10% | $282,111,656 | +$1,767,274 | 13,036,583 | +0.63% | 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 |
| RLMD | RELMADA THERAPEUTICS, INC. | Common Stock | 10% | $35,932,374 | 7,439,415 | JANUS HENDERSON GROUP PLC | 30 Jan 2026 | ||
| ICUI | ICU MEDICAL, INC. | Common Stock | 10% | $326,429,794 | +$272,229 | 2,470,146 | +0.08% | JANUS HENDERSON GROUP PLC | 30 Jun 2025 |
| TARA | PROTARA THERAPEUTICS, INC. | Common Stock | 10% | $29,564,292 | +$5,234,139 | 5,141,616 | +22% | JANUS HENDERSON GROUP PLC | 31 Dec 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% | $44,484,293 | -$292,158,468 | 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% | $12,999,275 | +$6,630,068 | 6,666,295 | +104% | JANUS HENDERSON GROUP PLC | 28 Nov 2025 |
| OVID | OVID THERAPEUTICS INC. | Common Stock | 10% | $9,461,772 | 7,114,114 | JANUS HENDERSON GROUP PLC | 28 Nov 2025 | ||
| EQ | EQUILLIUM, INC. | Common Stock | 10% | $9,429,020 | 6,083,239 | 0% | JANUS HENDERSON GROUP PLC | 30 Jan 2026 | |
| IMUX | IMMUNIC, INC. | Common Stock | 10% | $8,531,675 | +$6,622,427 | 12,016,444 | +347% | JANUS HENDERSON GROUP PLC | 28 Nov 2025 |
| KTTA | PASITHEA THERAPEUTICS CORP. | Common Stock | 10% | $7,160,756 | 10,229,652 | JANUS HENDERSON GROUP PLC | 28 Nov 2025 | ||
| TENX | TENAX THERAPEUTICS, INC. | Common Stock | 10% | $4,172,774 | +$3,057,778 | 623,733 | +274% | JANUS HENDERSON GROUP PLC | 28 Nov 2025 |
| PTNT | PALATIN TECHNOLOGIES INC | Common Stock | 10% | $1,296,139 | 170,097 | JANUS HENDERSON GROUP PLC | 28 Nov 2025 | ||
| TFX | TELEFLEX INCORPORATED | Common Stock | 9.4% | $496,584,753 | -$21,152,842 | 4,149,271 | -4.1% | JANUS HENDERSON GROUP PLC | 30 Jun 2025 |
| JANX | JANUX THERAPEUTICS, INC. | Common Stock | 8.9% | $73,836,251 | -$9,432,245 | 5,350,453 | -11% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 |
| DBVT | DBV TECHNOLOGIES S.A. | Common Stock | 8.8% | 20,469,392 | +288% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 | ||
| LNTH | LANTHEUS HOLDINGS, INC. | Common Stock | 8.6% | $385,581,607 | -$66,039,224 | 5,707,247 | -15% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 |
| DYN | DYNE THERAPEUTICS INC | Common Stock | 8.5% | $251,645,523 | -$15,543,028 | 13,887,722 | -5.8% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 |
| OLMA | OLEMA PHARMACEUTICALS, INC. | Common Stock | 8.4% | $193,186,485 | +$89,949,893 | 6,710,194 | +87% | 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 |
| ASMB | ASSEMBLY BIOSCIENCES, INC. | Common Stock | 8.2% | $44,444,160 | 1,341,508 | JANUS HENDERSON GROUP PLC | 28 Nov 2025 | ||
| CTNM | CONTINEUM THERAPEUTICS, INC. | Class A Common Stock | 7.9% | $27,991,830 | 2,448,979 | JANUS HENDERSON GROUP PLC | 31 Dec 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 |
| IMMX | IMMIX BIOPHARMA, INC. | Common Stock | 7.4% | $19,098,036 | 3,921,568 | JANUS HENDERSON GROUP PLC | 31 Dec 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% | $83,143,819 | +$15,075,261 | 3,206,472 | +22% | JANUS HENDERSON GROUP PLC | 30 Sep 2025 |
| MDGL | MADRIGAL PHARMACEUTICALS, INC. | Common Stock | 7% | $814,704,393 | -$132,548,829 | 1,584,843 | -14% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 |
| ARMK | ARAMARK | Common Stock | 6.9% | $783,751,824 | +$62,546,703 | 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 |
| 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 |
| JBIO | JADE BIOSCIENCES, INC. | Common Stock | 6.2% | $42,459,514 | 3,063,457 | JANUS HENDERSON GROUP PLC | 31 Dec 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 |
| FLEX | FLEX LTD. | Ordinary Shares | 6% | $1,387,675,992 | -$247,217,838 | 22,331,445 | -15% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 |
| DAY | DAYFORCE, INC. | Common Stock | 6% | $647,420,298 | +$69,826,973 | 9,397,885 | +12% | JANUS HENDERSON GROUP PLC | 30 Sep 2025 |
| PTCT | PTC THERAPEUTICS, INC. | Common Stock | 6% | $376,123,770 | 4,851,332 | JANUS HENDERSON GROUP PLC | 31 Dec 2025 | ||
| OCGN | OCUGEN, INC. | Common Stock | 6% | $26,800,000 | 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 |
| BELFB | BEL FUSE INC. | Class B Common Stock | 5.9% | $116,435,356 | 619,337 | JANUS HENDERSON GROUP PLC | 31 Dec 2025 | ||
| SSNC | SS&C TECHNOLOGIES HOLDINGS, INC. | Common Stock | 5.7% | $1,246,559,289 | -$224,048,552 | 14,017,309 | -15% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 |
| BBIO | BRIDGEBIO PHARMA, INC. | Common Stock | 5.7% | $845,275,116 | 11,000,457 | JANUS HENDERSON GROUP PLC | 31 Dec 2025 | ||
| GIL | GILDAN ACTIVEWEAR INC | Common Stock | 5.7% | $666,541,832 | -$114,890 | 10,495,069 | -0.02% | JANUS HENDERSON GROUP PLC | 31 Dec 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 |
| RTO | RENTOKIL INITIAL PLC | Common Stock | 5.6% | -$2,244,147 | 142,436,808 | -0.31% | JANUS HENDERSON GROUP PLC | 30 Sep 2025 | |
| TYRA | TYRA BIOSCIENCES, INC | Common Stock | 5.4% | $29,305,535 | +$1,672,924 | 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 | ||
| GKOS | GLAUKOS CORP | Common Stock | 5.3% | $340,851,240 | 3,018,787 | JANUS HENDERSON GROUP PLC | 31 Dec 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 |
| DKNG | DRAFTKINGS INC. | Class A Common Stock | 5.1% | $884,721,120 | 25,313,909 | JANUS HENDERSON GROUP PLC | 31 Dec 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% | $4,725,000 | 3,750,000 | JANUS HENDERSON GROUP PLC | 28 Nov 2025 | ||
| SXT | SENSIENT TECHNOLOGIES CORPORATION | Common Stock | 4.9% | $195,821,018 | -$18,962,586 | 2,084,311 | -8.8% | JANUS HENDERSON GROUP PLC | 31 Dec 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 |
| 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% | $63,315,197 | 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 |
| RNA | AVIDITY BIOSCIENCES, INC. | Common Stock | 4.6% | $500,546,351 | -$92,717,850 | 6,939,503 | -16% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 |
| WD | WALKER & DUNLOP, INC. | Common Stock | 4.6% | $109,887,835 | -$21,308,077 | 1,559,135 | -16% | JANUS HENDERSON GROUP PLC | 30 Jun 2025 |
| SKIN | The Beauty Health Company | Common Stock | 4.5% | $10,922,459 | -$4,854,238 | 5,718,565 | -31% | JANUS HENDERSON GROUP PLC | 30 Jun 2025 |
| BLKB | BLACKBAUD, INC. | Common Stock | 4.3% | $135,336,329 | -$48,644,075 | 2,122,257 | -26% | JANUS HENDERSON GROUP PLC | 31 Mar 2025 |
| AKRO | AKERO THERAPEUTICS, INC. | Common Stock | 4.1% | $138,062,973 | -$117,126,544 | 3,397,779 | -46% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 |
| TRDA | ENTRADA THERAPEUTICS, INC. | Common Stock | 4% | $9,964,391 | -$3,932,443 | 1,521,281 | -28% | JANUS HENDERSON GROUP PLC | 30 Jun 2025 |
| ETNB | 89bio, Inc. | Common Stock | 3.6% | $79,060,933 | -$226,534,240 | 5,378,185 | -74% | JANUS HENDERSON GROUP PLC | 30 Sep 2025 |
| ZLAB | 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% | $198,781,761 | 7,101,885 | JANUS HENDERSON GROUP PLC | 31 Dec 2024 | ||
| MTSR | METSERA, INC. | Common Stock | 3.1% | $228,620,854 | -$148,748,091 | 3,242,849 | -39% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 |
| 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% | $16,313,738 | -$13,130,862 | 1,914,758 | -45% | JANUS HENDERSON GROUP PLC | 31 Mar 2025 |
| AVDL | AVADEL PHARMACEUTICALS PLC | Ordinary Shares | 1.9% | $39,176,620 | -$120,413,722 | 1,823,865 | -75% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 |
| PEPG | PEPGEN INC | Common Stock | 1.6% | $835,610 | 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% | $2,086,555 | -$15,655,944 | 948,434 | -88% | JANUS HENDERSON GROUP PLC | 30 Jun 2025 |
| CATX | PERSPECTIVE THERAPEUTICS INC | Common Stock | 0% | $43,349 | 17,839 | JANUS HENDERSON GROUP PLC | 31 Dec 2024 | ||
| CRGX | CARGO THERAPEUTICS, INC. | Common Stock | 0% | $36,577 | -$13,068,842 | 7,900 | -100% | JANUS HENDERSON GROUP PLC | 31 Mar 2025 |
| APLT | APPLIED THERAPEUTICS INC | Common Stock | 0% | $13,958 | -$4,706,957 | 35,791 | -100% | JANUS HENDERSON GROUP PLC | 31 Dec 2024 |
| LRMR | LARIMAR THERAPEUTICS, INC. | Common Stock | 0% | $0 | -$22,422,635 | 0 | -100% | JANUS HENDERSON GROUP PLC | 31 Mar 2025 |
| VTGN | VISTAGEN THERAPEUTICS, INC. | Common Stock | 0% | $0 | -$3,082,668 | 0 | -100% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 |
| MREO | MEREO BIOPHARMA GROUP PLC | Ordinary Shares | 0% | $0 | -$10,751,486 | 0 | -100% | JANUS HENDERSON GROUP PLC | 31 Dec 2025 |
| CTMX | CytomX Therapeutics, 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 |
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.