Janus Henderson Group plc
Janus Henderson Group plc (JHG) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · JHG · as of Mar 31, 2025
Ownership Breakdown
419
Institutional Holders
▲ 13 vs Q4
$5.27B
Total Inst. Value
▼ $1.05B vs Q4
154.08M
Shares Outstanding
freeFloat 99.54%
145.94M
13F Shares Held
▲ 800,683 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
JHG largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
TRIAN FUND MANAGEMENT, L.P. investment advice | 31.87M | 20.67% | 20.67% | $1.15T | May 15, 2025 | — held |
BLACKROCK, INC. investment advice | 16.77M | 10.87% | 10.87% | $606.18B | May 2, 2025 | ▲ 551.5K |
VANGUARD GROUP INC investment advice | 14.23M | 9.23% | 9.23% | $514.31B | May 9, 2025 | ▲ 78.3K |
DIMENSIONAL FUND ADVISORS LP investment advice | 6.82M | 4.42% | 4.42% | $246.37B | May 13, 2025 | ▼ 413.9K |
MILLENNIUM MANAGEMENT LLC investment advice | 5.04M | 3.27% | 3.27% | $182.12B | May 15, 2025 | ▼ 2.21M |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC investment advice | 4.95M | 3.21% | 3.21% | $178.80B | Sep 15, 2025 | ▲ 352.6K |
STATE STREET CORP investment advice | 4.55M | 2.95% | 2.95% | $164.48B | May 15, 2025 | ▼ 377.7K |
CAPITAL RESEARCH GLOBAL INVESTORS investment advice | 4.41M | 2.86% | 2.86% | $159.37B | May 12, 2025 | ▼ 411.5K |
NORGES BANK investment advice | 2.28M | 1.48% | 1.48% | $82.45B | May 11, 2026 | ▲ 316.9K |
GEODE CAPITAL MANAGEMENT, LLC investment advice | 2.25M | 1.46% | 1.46% | $81.42B | May 13, 2025 | ▲ 138.5K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
29
Increased
+7.65M shares1
New Positions
first time holders18
Decreased
−7.32M shares0
Sold Out
fully exitedNet shares change (top 50)
+329.1K
+7.65M / −7.32M
Net new holders
+12
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
JHG insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
8
Buy transactions
8
Sell transactions
1.00
Buy/Sell ratio
$12M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Frank Joshua D.
| May 12, 2026 | Sale | 6,213,418 | $51.60 | $320.61M | 25.65M | Form 4 ↗ |
Baldwin Brian M
| May 12, 2026 | Sale | 6,213,418 | $51.60 | $320.61M | 25.65M | Form 4 ↗ |
FLOOD EUGENE JR director | May 11, 2026 | Award | 3,288 | $51.71 | $170.0K | 24.2K | Form 4 ↗ |
FLOOD EUGENE JR director | May 12, 2026 | Tax Withhold | 416 | $51.61 | $21.5K | 23.8K | Form 4 ↗ |
DESAI KALPANA director | May 11, 2026 | Award | 3,288 | $51.71 | $170.0K | 35.6K | Form 4 ↗ |
DESAI KALPANA director | May 12, 2026 | Tax Withhold | 1,926 | $51.61 | $99.4K | 33.6K | Form 4 ↗ |
DOLAN KEVIN B director | May 11, 2026 | Award | 3,288 | $51.71 | $170.0K | 27.0K | Form 4 ↗ |
Sheehan Anne director | May 11, 2026 | Award | 3,288 | $51.71 | $170.0K | 16.7K | Form 4 ↗ |
Sheehan Anne director | May 12, 2026 | Tax Withhold | 392 | $51.61 | $20.2K | 16.3K | Form 4 ↗ |
CASSADAY JOHN M director | May 11, 2026 | Award | 5,899 | $51.71 | $305.0K | 29.3K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Janus Henderson Group plc (JHG) is primarily owned by institutional investors, who hold approximately 94.7% of total shares outstanding. Company insiders own approximately 0.46%, while retail and public investors account for the remaining 4.82%.
The largest institutional shareholder of Janus Henderson Group plc is TRIAN FUND MANAGEMENT, L.P., holding approximately 31.87 million shares — equal to 20.67% of outstanding shares — as of March 31, 2025.
A total of 419 institutional investors currently hold JHG stock, with a combined institutional value of approximately $5.27 billion as of the most recent 13F filing period.
Frequently asked questions
JHG ownershipJanus Henderson Group plc (JHG) is primarily owned by institutional investors, who hold approximately 94.7% of shares. The largest shareholder is TRIAN FUND MANAGEMENT, L.P. with a 20.67% stake. Company insiders hold 0.46%. Data sourced from SEC Form 13F as of March 31, 2025.