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 $6.71B 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 $1.33B in its June 30, 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 $1.33B, representing an estimated loss of -0.10% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 56% of the total disclosed JHG value among the investors covered in this analysis. Major shareholders include Trian Fund Management, Blackrock, Inc., Qube Research & Technologies Ltd, 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
415
Total Reported Value
$6.71B
Largest Holder
Trian Fund Management
Largest Position
$1.33B
Insider Transactions (90d)
39
Latest Filing Quarter
Q2 2026
New Institutional Positions
40
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 | 31.53% | 25,654,382 | $1,334,027,864 | $1,332,745,145 | -$1,282,719 | -0.10% |
| Blackrock, Inc. | 0.01% | 13,846,329 | $719,316,769 | $719,316,792 | +$23 | +0.00% | |
| Qube Research & Technologies Ltd | 0.34% | 5,901,943 | $306,605,939 | $306,605,939 | -$0 | -0.00% | |
| Vanguard Portfolio Management Llc | 0.01% | 5,757,365 | $299,095,112 | $299,095,112 | -$0 | -0.00% | |
| Hbk Investments L P | 3.13% | 5,149,300 | $267,763,600 | $267,506,135 | -$257,465 | -0.10% | |
| Goldman Sachs Group Inc | 0.02% | 3,629,487 | $188,551,859 | $188,551,850 | -$9 | -0.00% | |
| Millennium Management Llc | 0.12% | 3,414,602 | $177,388,574 | $177,388,574 | -$0 | -0.00% | |
| Aqr Capital Management Llc | 0.06% | 3,281,442 | $170,470,917 | $170,470,912 | -$5 | -0.00% | |
| State Street Corp | 0.00% | 3,079,198 | $159,964,336 | $159,964,336 | +$0 | +0.00% | |
| Fil Ltd | 0.11% | 3,020,000 | $156,889,000 | $156,889,000 | $0 | 0.00% | |
| Aqr Arbitrage Llc | 1.87% | 2,522,373 | $131,037,277 | $131,037,277 | +$0 | +0.00% | |
| Geode Capital Management, Llc | 0.01% | 2,210,106 | $114,888,021 | $114,815,007 | -$73,014 | -0.06% | |
| Credit Industriel Et Commercial | 11.89% | 2,113,002 | $109,770,454 | $109,770,454 | -$0 | -0.00% | |
| Tig Advisors, Llc | 4.79% | 2,005,000 | $104,159,750 | $104,159,750 | $0 | 0.00% | |
| Norges Bank | 0.01% | 1,910,397 | $99,245,124 | $99,245,124 | +$0 | +0.00% | |
| Northern Trust Corp | 0.01% | 1,876,066 | $97,461,629 | $97,461,629 | -$0 | -0.00% | |
| Allianz Asset Management Gmbh | 0.10% | 1,836,194 | $94,325,286 | $95,390,278 | +$1,064,992 | +1.13% | |
| Quantinno Capital Management Lp | 0.11% | 1,693,925 | $87,999,420 | $87,999,404 | -$16 | -0.00% | |
| Vanguard Capital Management Llc | 0.00% | 1,686,535 | $87,615,493 | $87,615,493 | +$0 | +0.00% | |
| Jpmorgan Chase & Co | 0.00% | 1,521,496 | $79,366,661 | $79,041,717 | -$324,944 | -0.41% | |
| Beryl Capital Management Llc | 66.44% | 1,414,000 | $73,528,000 | $73,457,300 | -$70,700 | -0.10% | |
| Bank Of America Corp | 0.00% | 1,355,666 | $70,426,848 | $70,426,849 | +$1 | +0.00% | |
| Nexpoint Asset Management, L.P. | 4.39% | 1,263,211 | $65,623,811 | $65,623,811 | +$0 | +0.00% | |
| Morgan Stanley | 0.00% | 1,238,193 | $64,324,241 | $64,324,126 | -$115 | -0.00% | |
| Alliancebernstein L.P. | 0.02% | 1,222,252 | $62,787,085 | $63,495,991 | +$708,906 | +1.13% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,166,170 | $60,582,531 | $60,582,532 | +$1 | +0.00% | |
| Sixth Street Partners Management Company, L.P. | 0.01% | 1,166,170 | $60,582,531 | $60,582,532 | +$1 | +0.00% | |
| Arrowstreet Capital, Limited Partnership | 0.03% | 1,127,172 | $58,556,585 | $58,556,585 | +$0 | +0.00% | |
| Voloridge Investment Management, Llc | 0.23% | 1,035,831 | $53,811,420 | $53,811,420 | +$0 | +0.00% | |
| Polar Asset Management Partners Inc. | 0.89% | 935,958 | $48,623,018 | $48,623,018 | +$0 | +0.00% | |
| Man Group Plc | 0.09% | 912,480 | $47,403,336 | $47,403,336 | $0 | 0.00% | |
| Water Island Capital Llc | 4.90% | 890,916 | $46,327,632 | $46,283,086 | -$44,546 | -0.10% | |
| Two Sigma Investments, Lp | 0.03% | 880,490 | $45,741,456 | $45,741,456 | -$1 | -0.00% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.06% | 811,000 | $42,131,450 | $42,131,450 | $0 | 0.00% | |
| Bank Of New York Mellon Corp | 0.01% | 797,192 | $41,414,101 | $41,414,124 | +$23 | +0.00% | |
| Vanguard Fiduciary Trust Co | 0.01% | 770,891 | $40,047,787 | $40,047,787 | +$0 | +0.00% | |
| Citigroup Inc | 0.02% | 766,161 | $39,802,063 | $39,802,064 | +$1 | +0.00% | |
| Groupe La Francaise | 0.47% | 730,188 | $37,933,267 | $37,933,267 | -$0 | -0.00% | |
| Gabelli Funds Llc | 0.23% | 680,792 | $35,367,144 | $35,367,144 | +$0 | +0.00% | |
| Alpine Associates Management Inc. | 1.91% | 587,894 | $30,570,488 | $30,541,093 | -$29,395 | -0.10% | |
| Balyasny Asset Management L.P. | 0.05% | 548,203 | $28,479,146 | $28,479,146 | -$0 | -0.00% | |
| Picton Mahoney Asset Management | 0.26% | 541,914 | $28,152,440 | $28,152,432 | -$8 | -0.00% | |
| Citadel Advisors Llc | 0.01% | 503,019 | $26,131,837 | $26,131,837 | +$0 | +0.00% | |
| Gardner Lewis Asset Management L P | 5.27% | 455,134 | $23,644,211 | $23,644,211 | +$0 | +0.00% | |
| Jane Street Group, Llc | 0.01% | 421,254 | $21,884,145 | $21,884,145 | +$0 | +0.00% | |
| Squarepoint Ops Llc | 0.04% | 412,114 | $21,409,322 | $21,409,322 | +$0 | +0.00% | |
| Gamco Investors, Inc. Et Al | 0.18% | 387,687 | $20,140,340 | $20,140,340 | -$0 | -0.00% | |
| Gabelli & Co Investment Advisers, Inc. | 2.91% | 385,800 | $20,042,310 | $20,042,310 | $0 | 0.00% | |
| 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% | |
| Engineers Gate Manager Lp | 0.24% | 354,308 | $18,406,301 | $18,406,301 | -$0 | -0.00% |
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.