Janus Henderson Group plc (JHG) Institutional Shareholders
Janus Henderson Group plc (JHG) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $7.12B in JHG holdings during the latest filing period.
Trian Fund Management is currently the largest disclosed institutional shareholder of JHG tracked by InsiderSet, reporting ownership valued at approximately $1.64B in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $1.66B, representing an estimated gain of +1.13% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 59% of the total disclosed JHG value among the investors covered in this analysis. Major shareholders include Trian Fund Management, Blackrock, Inc., Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in Janus Henderson Group plc (JHG).
This page ranks the largest institutional JHG shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
451
Total Reported Value
$7.12B
Largest Holder
Trian Fund Management
Largest Position
$1.64B
Insider Transactions (90d)
39
Latest Filing Quarter
Q2 2026
New Institutional Positions
68
Funds Exiting Positions
1
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Trian Fund Management | Nelson Peltz | 42.41% | 31,867,800 | $1,637,048,886 | $1,655,532,210 | +$18,483,324 | +1.13% |
| Blackrock, Inc. | 0.01% | 14,763,241 | $758,387,713 | $766,950,370 | +$8,562,657 | +1.13% | |
| Vanguard Portfolio Management Llc | 0.02% | 5,771,779 | $296,496,287 | $299,843,919 | +$3,347,632 | +1.13% | |
| Vanguard Capital Management Llc | 0.01% | 5,555,218 | $285,371,549 | $288,593,575 | +$3,222,026 | +1.13% | |
| State Street Corp | 0.01% | 4,383,422 | $225,176,388 | $227,718,773 | +$2,542,385 | +1.13% | |
| Dimensional Fund Advisors Lp | 0.05% | 4,268,155 | $219,260,546 | $221,730,652 | +$2,470,106 | +1.13% | |
| Hbk Investments L P | 2.74% | 4,230,723 | $217,332,241 | $219,786,060 | +$2,453,819 | +1.13% | |
| Citadel Advisors Llc | 0.14% | 3,772,619 | $193,799,439 | $195,987,557 | +$2,188,118 | +1.13% | |
| Aqr Capital Management Llc | 0.08% | 3,341,401 | $171,647,761 | $173,585,782 | +$1,938,021 | +1.13% | |
| Allianz Asset Management Gmbh | 0.19% | 3,199,982 | $164,383,076 | $166,239,065 | +$1,855,989 | +1.13% | |
| Geode Capital Management, Llc | 0.01% | 2,646,011 | $135,953,826 | $137,460,271 | +$1,506,445 | +1.11% | |
| Goldman Sachs Group Inc | 0.02% | 2,397,234 | $123,145,902 | $124,536,306 | +$1,390,404 | +1.13% | |
| Millennium Management Llc | 0.09% | 2,336,789 | $120,040,851 | $121,396,189 | +$1,355,338 | +1.13% | |
| Qube Research & Technologies Ltd | 0.17% | 2,271,650 | $116,694,661 | $118,012,218 | +$1,317,557 | +1.13% | |
| Neuberger Berman Group Llc | 0.09% | 2,227,778 | $114,440,956 | $115,733,067 | +$1,292,111 | +1.13% | |
| Credit Industriel Et Commercial | 11.89% | 2,113,002 | $109,770,454 | $109,770,454 | -$0 | -0.00% | |
| Tig Advisors, Llc | 4.67% | 1,906,107 | $97,916,717 | $99,022,259 | +$1,105,542 | +1.13% | |
| Northern Trust Corp | 0.01% | 1,900,848 | $97,646,562 | $98,749,054 | +$1,102,492 | +1.13% | |
| Voloridge Investment Management, Llc | 0.37% | 1,796,764 | $92,299,767 | $93,341,890 | +$1,042,123 | +1.13% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,793,383 | $92,126,085 | $93,166,247 | +$1,040,162 | +1.13% | |
| Morgan Stanley | 0.01% | 1,615,664 | $82,996,783 | $83,933,745 | +$936,962 | +1.13% | |
| Quantinno Capital Management Lp | 0.13% | 1,474,466 | $75,743,344 | $76,598,509 | +$855,165 | +1.13% | |
| Aqr Arbitrage Llc | 1.22% | 1,440,631 | $74,005,214 | $74,840,780 | +$835,566 | +1.13% | |
| Capital World Investors | 0.01% | 1,200,041 | $61,646,106 | $62,342,130 | +$696,024 | +1.13% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.09% | 1,106,000 | $56,815,220 | $57,456,700 | +$641,480 | +1.13% | |
| Water Island Capital Llc | 6.32% | 922,277 | $47,377,369 | $47,912,290 | +$534,921 | +1.13% | |
| Man Group Plc | 0.09% | 883,556 | $45,388,272 | $45,900,734 | +$512,462 | +1.13% | |
| Bank Of New York Mellon Corp | 0.01% | 873,867 | $44,890,558 | $45,397,391 | +$506,833 | +1.13% | |
| Lmr Partners Llp | 0.42% | 873,327 | $44,862,808 | $45,369,338 | +$506,530 | +1.13% | |
| Franklin Resources Inc | 0.01% | 830,457 | $42,660,576 | $43,142,241 | +$481,665 | +1.13% | |
| Citigroup Inc | 0.02% | 766,161 | $39,802,063 | $39,802,064 | +$1 | +0.00% | |
| Vanguard Fiduciary Trust Co | 0.01% | 764,745 | $39,284,951 | $39,728,503 | +$443,552 | +1.13% | |
| Bank Of America Corp | 0.00% | 713,880 | $36,672,039 | $37,086,066 | +$414,027 | +1.13% | |
| Arrowstreet Capital, Limited Partnership | 0.02% | 643,452 | $33,054,129 | $33,427,331 | +$373,202 | +1.13% | |
| Ubs Group Ag | 0.01% | 619,870 | $31,842,722 | $32,202,247 | +$359,525 | +1.13% | |
| Alpine Associates Management Inc. | 1.79% | 590,576 | $30,337,890 | $30,680,423 | +$342,533 | +1.13% | |
| Sculptor Capital Lp | 0.33% | 571,298 | $29,347,578 | $29,678,931 | +$331,353 | +1.13% | |
| Alliancebernstein L.P. | 0.01% | 616,332 | $29,318,913 | $32,018,447 | +$2,699,534 | +9.21% | |
| Balyasny Asset Management L.P. | 0.06% | 546,075 | $28,051,873 | $28,368,596 | +$316,723 | +1.13% | |
| Governors Lane Lp | 3.41% | 532,530 | $27,356,066 | $27,664,934 | +$308,868 | +1.13% | |
| Picton Mahoney Asset Management | 0.23% | 425,031 | $21,833,842 | $22,080,360 | +$246,518 | +1.13% | |
| Ieq Capital, Llc | 0.10% | 418,655 | $21,506,330 | $21,749,127 | +$242,797 | +1.13% | |
| Woodline Partners Lp | 0.08% | 417,527 | $21,448,362 | $21,690,528 | +$242,166 | +1.13% | |
| Gamco Investors, Inc. Et Al | 0.20% | 398,208 | $20,455,945 | $20,686,906 | +$230,961 | +1.13% | |
| Gabelli Funds Llc | 0.13% | 388,624 | $19,963,615 | $20,189,017 | +$225,402 | +1.13% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 371,484 | $19,083,134 | $19,298,594 | +$215,460 | +1.13% | |
| Creative Planning | 0.01% | 364,316 | $18,714,916 | $18,926,216 | +$211,300 | +1.13% | |
| Corient Private Wealth Llc | 0.03% | 363,834 | $18,618,221 | $18,901,176 | +$282,955 | +1.52% | |
| Tudor Investment Corp Et Al | 0.10% | 357,975 | $18,389,176 | $18,596,801 | +$207,625 | +1.13% | |
| Hudson Bay Capital Management Lp | 0.12% | 354,772 | $18,224,638 | $18,430,405 | +$205,767 | +1.13% |
Frequently asked questions about JHG
Who owns the most JHG stock?
The largest holders of JHG are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for Janus Henderson Group plc (JHG).
Is JHG widely held by superinvestors?
Many widely followed stocks like JHG appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly JHG is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.