Stock Ownership/Janus Henderson Group plc

Janus Henderson Group plc: Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in Janus Henderson Group plc. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
25
13F filers
Aggregate Value
$2.6B
Across holders
Last Price
EOD close
Sector
GICS
Institutional Holders of Janus Henderson Group plc
25 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
Trian Fund Management, L.P.
CIK 0001345471
Hedge Fund25.65M$1.3B50.9%31.5%Reduced$-323.1MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund5.90M$306.6M11.7%0.3%Added+$188.6MQ2 2026
HBK INVESTMENTS L P
CIK 0001011443
Hedge Fund5.15M$267.8M10.2%2.6%Added+$47.8MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund3.41M$177.4M6.8%0.1%Added+$56.0MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund3.28M$170.5M6.5%0.1%Added+$170.4MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund1.13M$58.6M2.2%0.0%Added+$25.1MQ2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLC
CIK 0001556921
Hedge Fund1.04M$53.8M2.1%0.2%Reduced$-39.5MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund912K$47.4M1.8%0.1%Added+$17.3MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund880K$45.7M1.7%0.0%Added+$32.2MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund548K$28.5M1.1%0.0%Added+$111KQ2 2026
Trian Fund Management, L.P.Reduced
Hedge Fund
$1.3B· 50.9% of total· 31.5% port· 25.65M sh· $-323.1M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$306.6M· 11.7% of total· 0.3% port· 5.90M sh· +$188.6M QoQ· Q2 2026
HBK INVESTMENTS L PAdded
Hedge Fund
$267.8M· 10.2% of total· 2.6% port· 5.15M sh· +$47.8M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$177.4M· 6.8% of total· 0.1% port· 3.41M sh· +$56.0M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$170.5M· 6.5% of total· 0.1% port· 3.28M sh· +$170.4M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$58.6M· 2.2% of total· 0.0% port· 1.13M sh· +$25.1M QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCReduced
Hedge Fund
$53.8M· 2.1% of total· 0.2% port· 1.04M sh· $-39.5M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$47.4M· 1.8% of total· 0.1% port· 912K sh· +$17.3M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$45.7M· 1.7% of total· 0.0% port· 880K sh· +$32.2M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$28.5M· 1.1% of total· 0.0% port· 548K sh· +$111K QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$26.1M· 1.0% of total· 0.0% port· 503K sh· +$20.2M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$21.4M· 0.8% of total· 0.0% port· 412K sh· +$4.0M QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$20.1M· 0.8% of total· 0.2% port· 388K sh· $-547K QoQ· Q2 2026
Hudson Bay Capital Management LPReduced
Hedge Fund
$13.7M· 0.5% of total· 0.0% port· 264K sh· $-23.1M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$11.6M· 0.4% of total· 0.0% port· 223K sh· $-7.8M QoQ· Q2 2026
Verition Fund Management LLCAdded
Hedge Fund
$10.3M· 0.4% of total· 0.1% port· 199K sh· +$19K QoQ· Q2 2026
ExodusPoint Capital Management, LPNew
Hedge Fund
$6.7M· 0.3% of total· 0.0% port· 128K sh· QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$5.2M· 0.2% of total· 0.0% port· 100K sh· $-13.4M QoQ· Q2 2026
Ruffer LLPAdded
Hedge Fund
$5.0M· 0.2% of total· 0.2% port· 97K sh· +$1.3M QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCReduced
Institutional Manager
$3.8M· 0.1% of total· 0.0% port· 73K sh· $-520K QoQ· Q2 2026
Lighthouse Investment Partners, LLCNew
Hedge Fund
$3.8M· 0.1% of total· 0.1% port· 73K sh· QoQ· Q2 2026
Gotham Asset Management, LLCUnchanged
Hedge Fund
$1.7M· 0.1% of total· 0.0% port· 33K sh· +$0 QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$1.4M· 0.1% of total· 0.0% port· 28K sh· $-5.7M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$641K· 0.0% of total· 0.0% port· 12K sh· $-74K QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$90K· 0.0% of total· 0.0% port· 2K sh· $-17K QoQ· Q2 2026
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