Security Snapshot

Janus Henderson Group Ltd. - Ordinary Shares, $1.50 per share par value (JHG) Institutional Ownership

CUSIP: G4474Y214

13F Institutional Holders and Ownership History from Q3 2016 to Q2 2026

Latest Period

Q1 2026

Institutions Reporting

486

Shares (Excl. Options)

141,698,702

Price

$51.37

Save this security page for your next review

Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.

Latest holder snapshot 5 signals
Portfolio coverage rank
0.01%
Share change
+2,264,033
Value change
+$154,364,358
Number of holders
486
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
154,080,372
SEC-reported price per share
$51.95
Insider filing price
$51.95
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • JHG - Janus Henderson Group Ltd. - Ordinary Shares, $1.50 per share par value is tracked under CUSIP G4474Y214.
  • 486 institutions reported positions in Q1 2026.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 486 to 19 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $7,273,033,741 to $3,370,399.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 486 institutions filings for Q1 2026.

Open SEC evidence

Security key

G4474Y214

Latest holder period

Q1 2026

13F holders

486

13D/G owners

3

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
3
Security
JHG
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 7.5% $596,025,335 11,602,573 BlackRock, Inc. 31 Mar 2026
MILLENNIUM MANAGEMENT LLC 5% $261,156,985 7,875,663 Millennium Management LLC 12 May 2025
Capital Research Global Investors 4.5% $238,947,080 7,205,883 Capital Research Global Investors 30 Sep 2024

As of 31 Mar 2026, 486 institutional investors reported holding 141,698,702 shares of Janus Henderson Group Ltd. - Ordinary Shares, $1.50 per share par value (JHG). This represents 92% of the company’s total 154,080,372 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
71%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
TRIAN FUND MANAGEMENT, L.P. 21% 31,867,800 0% 42% $1,637,048,886
BlackRock, Inc. 9.6% 14,763,241 -15% 0.01% $758,387,713
VANGUARD PORTFOLIO MANAGEMENT LLC 3.7% 5,771,779 0% 0.02% $296,496,287
VANGUARD CAPITAL MANAGEMENT LLC 3.6% 5,555,218 0% 0.01% $285,371,549
STATE STREET CORP 2.8% 4,383,422 -0.6% 0.01% $225,176,388
DIMENSIONAL FUND ADVISORS LP 2.8% 4,268,155 -35% 0.05% $219,260,546
HBK INVESTMENTS L P 2.7% 4,230,723 2.7% $217,332,241
CITADEL ADVISORS LLC 2.4% 3,772,619 +2271% 0.14% $193,799,439
AQR CAPITAL MANAGEMENT LLC 2.2% 3,341,401 -25% 0.08% $171,647,761
Allianz Asset Management GmbH 2.1% 3,199,982 +43% 0.19% $164,383,076
GEODE CAPITAL MANAGEMENT, LLC 1.7% 2,646,011 +12% 0.01% $135,953,826
GOLDMAN SACHS GROUP INC 1.6% 2,397,234 +17% 0.02% $123,145,902
MILLENNIUM MANAGEMENT LLC 1.5% 2,336,789 +170% 0.09% $120,040,851
Qube Research & Technologies Ltd 1.5% 2,271,650 +20% 0.17% $116,694,661
NEUBERGER BERMAN GROUP LLC 1.4% 2,227,778 +7121% 0.09% $114,440,956
TIG Advisors, LLC 1.2% 1,906,107 4.7% $97,916,717
NORTHERN TRUST CORP 1.2% 1,900,848 -5% 0.01% $97,646,562
VOLORIDGE INVESTMENT MANAGEMENT, LLC 1.2% 1,796,764 +191% 0.37% $92,299,767
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.2% 1,793,383 -66% 0.01% $92,126,085
JPMORGAN CHASE & CO 1.1% 1,748,473 +242% 0.01% $89,784,088
MORGAN STANLEY 1% 1,615,664 +3.4% 0.01% $82,996,783
Quantinno Capital Management LP 0.96% 1,474,466 +44% 0.13% $75,743,344
AQR Arbitrage LLC 0.93% 1,440,631 +445% 1.2% $74,005,214
Capital World Investors 0.78% 1,200,041 0% 0.01% $61,646,106
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.72% 1,106,000 +275% 0.09% $56,815,220

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
38
Latest
Q1 2026
Rows shown
1-25 of 38
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 64,882 $3,370,399 -$7,169,582 $51.95 19
2026 Q1 141,698,702 $7,273,033,741 +$154,364,358 $51.37 486
2025 Q4 139,282,455 $6,622,238,702 +$3,146,446 $47.57 467
2025 Q3 139,438,956 $6,206,432,909 -$91,917,139 $44.51 414
2025 Q2 142,414,348 $5,531,121,444 -$35,959,206 $38.84 391
2025 Q1 143,639,571 $5,190,041,100 -$43,085,388 $36.15 412
2024 Q4 143,551,104 $6,105,375,966 +$135,453,764 $42.53 399
2024 Q3 145,654,447 $5,546,482,329 -$4,503,267 $38.07 382
2024 Q2 146,253,548 $4,930,326,767 -$36,790,174 $33.71 332
2024 Q1 147,165,936 $4,839,539,578 +$55,806,366 $32.89 313
2023 Q4 145,567,479 $4,388,378,008 +$39,295,615 $30.15 297
2023 Q3 144,483,742 $3,730,512,936 +$25,975,993 $25.82 288
2023 Q2 143,248,724 $3,902,584,363 +$77,856,519 $27.25 284
2023 Q1 140,778,717 $3,748,708,791 +$180,939 $26.64 280
2022 Q4 140,720,003 $3,310,089,650 -$18,038,616 $23.52 270
2022 Q3 141,620,175 $2,877,200,424 +$38,358,373 $20.31 248
2022 Q2 138,952,739 $3,266,099,226 +$211,739,681 $23.51 259
2022 Q1 130,457,031 $4,568,866,663 +$63,595,740 $35.02 268
2021 Q4 128,117,503 $5,372,639,064 +$1,026,502,852 $41.94 279
2021 Q3 103,501,277 $4,277,888,126 -$54,834,385 $41.33 264
2021 Q2 104,953,881 $4,072,779,989 -$25,267,934 $38.81 248
2021 Q1 106,177,251 $3,306,903,484 +$587,131,719 $31.15 247
2020 Q4 117,976,657 $3,834,287,379 -$177,146,964 $32.51 231
2020 Q3 123,422,181 $2,680,327,684 -$284,245,351 $21.72 187
2020 Q2 137,555,108 $2,910,935,620 +$40,897,436 $21.16 219
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .