Janus Henderson Group plc (JHG) Stock Institutional Trading Activity


Janus Henderson Group plc (JHG) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q1 2026), investors with some of the largest reported share count changes include Sequoia Financial Advisors, Ariel Appreciation Fund, Renaissance Technologies LLC, Trian Fund Management, and Olstein Capital Management. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2021Trian Fund ManagementBuy28,272,64828,272,648$1,185,755
Q4 2021Ariel Appreciation FundBuy139,9613,357,323$140,806
Q4 2021Renaissance Technologies LLCBuy91,900142,100$5,960
Q3 2021Ariel Appreciation FundSell-593,6823,217,362$132,974
Q3 2021Renaissance Technologies LLCSell-117,20050,200$2,075
Q2 2021Ariel Appreciation FundBuy124,8203,811,044$147,907
Q2 2021Renaissance Technologies LLCSell-314,400167,400$6,497
Q1 2021Ariel Appreciation FundBuy1,458,3573,686,224$114,826
Q1 2021Renaissance Technologies LLCBuy138,600481,800$15,008
Q4 2020Renaissance Technologies LLCBuy191,600343,200$11,157
Q4 2020Ariel Appreciation FundBuy177,5382,227,867$72,428
Q3 2020Ariel Appreciation FundBuy1042,050,329$44,533
Q3 2020Renaissance Technologies LLCSell-115,257151,600$3,293
Q2 2020Ariel Appreciation FundBuy14,4702,050,225$43,383
Q2 2020Renaissance Technologies LLCBuy247,057266,857$5,649
Q1 2020Ariel Appreciation FundBuy49,9552,035,755$31,188
Q1 2020Renaissance Technologies LLCSell-783,51219,800$303
Q4 2019Ariel Appreciation FundSell-25,1911,985,800$48,553
Q4 2019Renaissance Technologies LLCSell-487,788803,312$19,641
Q3 2019Ariel Appreciation FundBuy52,3072,010,991$45,167
Q3 2019Renaissance Technologies LLCSell-885,6001,291,100$28,998
Q2 2019Ariel Appreciation FundSell-60,1921,958,684$41,916
Q2 2019Olstein Capital ManagementSell-4,00086,000$1,840
Q2 2019Renaissance Technologies LLCBuy658,4002,176,700$46,581
Q1 2019Ariel Appreciation FundSell-343,1492,018,876$50,432
Q1 2019Olstein Capital ManagementSell-7,00090,000$2,248
Q1 2019Renaissance Technologies LLCBuy1,193,7001,518,300$37,927
Q4 2018Ariel Appreciation FundSell-9,6142,362,025$48,941
Q4 2018Olstein Capital ManagementBuy14,90097,000$2,010
Q4 2018Renaissance Technologies LLCBuy324,600324,600$6,726

Frequently asked questions about JHG activity

  • Which institutional owners are buying JHG?

    Institutional owners buying JHG include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in JHG activity?

    "Buy" means an investor increased their reported position in JHG compared to the prior reporting period. This reflects growing exposure to Janus Henderson Group plc (JHG) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in JHG increasing?

    Institutional interest in JHG can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.