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
Quarterly fund activity12 increased12 reduced9 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Trian Fund Management, L.P. CIK 0001345471 | Hedge Fund | 25.65M | $1.3B | 50.9% | 31.5% | Reduced | $-323.1M | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 5.90M | $306.6M | 11.7% | 0.3% | Added | +$188.6M | Q2 2026 |
| HBK INVESTMENTS L P CIK 0001011443 | Hedge Fund | 5.15M | $267.8M | 10.2% | 2.6% | Added | +$47.8M | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 3.41M | $177.4M | 6.8% | 0.1% | Added | +$56.0M | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 3.28M | $170.5M | 6.5% | 0.1% | Reduced | +$170.4M | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 1.13M | $58.6M | 2.2% | 0.0% | Added | +$25.1M | Q2 2026 |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC CIK 0001556921 | Hedge Fund | 1.04M | $53.8M | 2.1% | 0.2% | Reduced | $-39.5M | Q2 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 912K | $47.4M | 1.8% | 0.1% | Added | +$17.3M | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 880K | $45.7M | 1.7% | 0.0% | Added | +$32.2M | Q2 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 548K | $28.5M | 1.1% | 0.0% | Added | +$111K | Q2 2026 |
Reduced
Hedge Fund
$1.3B· 50.9% of total· 31.5% port· 25.65M sh· $-323.1M QoQ· Q2 2026
Added
Hedge Fund
$306.6M· 11.7% of total· 0.3% port· 5.90M sh· +$188.6M QoQ· Q2 2026
Added
Hedge Fund
$267.8M· 10.2% of total· 2.6% port· 5.15M sh· +$47.8M QoQ· Q2 2026
Added
Hedge Fund
$177.4M· 6.8% of total· 0.1% port· 3.41M sh· +$56.0M QoQ· Q2 2026
Reduced
Hedge Fund
$170.5M· 6.5% of total· 0.1% port· 3.28M sh· +$170.4M QoQ· Q2 2026
Added
Hedge Fund
$58.6M· 2.2% of total· 0.0% port· 1.13M sh· +$25.1M QoQ· Q2 2026
Reduced
Hedge Fund
$53.8M· 2.1% of total· 0.2% port· 1.04M sh· $-39.5M QoQ· Q2 2026
Added
Hedge Fund
$47.4M· 1.8% of total· 0.1% port· 912K sh· +$17.3M QoQ· Q2 2026
Added
Hedge Fund
$45.7M· 1.7% of total· 0.0% port· 880K sh· +$32.2M QoQ· Q2 2026
Added
Hedge Fund
$28.5M· 1.1% of total· 0.0% port· 548K sh· +$111K QoQ· Q2 2026
Reduced
Hedge Fund
$26.1M· 1.0% of total· 0.0% port· 503K sh· +$20.2M QoQ· Q2 2026
Added
Hedge Fund
$21.4M· 0.8% of total· 0.0% port· 412K sh· +$4.0M QoQ· Q2 2026
Reduced
Institutional Manager
$20.1M· 0.8% of total· 0.2% port· 388K sh· $-547K QoQ· Q2 2026
Reduced
Hedge Fund
$13.7M· 0.5% of total· 0.0% port· 264K sh· $-23.1M QoQ· Q2 2026
Reduced
Hedge Fund
$11.6M· 0.4% of total· 0.0% port· 223K sh· $-7.8M QoQ· Q2 2026
Added
Hedge Fund
$10.3M· 0.4% of total· 0.1% port· 199K sh· +$19K QoQ· Q2 2026
Added
Hedge Fund
$6.7M· 0.3% of total· 0.0% port· 128K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$5.2M· 0.2% of total· 0.0% port· 100K sh· $-13.4M QoQ· Q2 2026
Added
Hedge Fund
$5.0M· 0.2% of total· 0.2% port· 97K sh· +$1.3M QoQ· Q2 2026
Reduced
Institutional Manager
$3.8M· 0.1% of total· 0.0% port· 73K sh· $-520K QoQ· Q2 2026
Added
Hedge Fund
$3.8M· 0.1% of total· 0.1% port· 73K sh· — QoQ· Q2 2026
Unchanged
Hedge Fund
$1.7M· 0.1% of total· 0.0% port· 33K sh· +$0 QoQ· Q2 2026
Reduced
Hedge Fund
$1.4M· 0.1% of total· 0.0% port· 28K sh· $-5.7M QoQ· Q2 2026
Reduced
Hedge Fund
$641K· 0.0% of total· 0.0% port· 12K sh· $-74K QoQ· Q2 2026
Reduced
Hedge Fund
$90K· 0.0% of total· 0.0% port· 2K sh· $-17K QoQ· Q2 2026
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