Mario Gabelli's JHG Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 417,132 shares of Janus Henderson Group plc (JHG) worth $18.57 M, representing 0.18% of the portfolio. First purchased in 2017-Q2, this long-term strategic position has been held for 34 quarters.
Based on 13F filings, Mario Gabelli has maintained a strategic position in JHG, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2021, adding 154,200 shares. Largest reduction occurred in Q3 2017, reducing 817,564 shares.
Analysis based on 13F filings available since 2013 Q2
Mario Gabelli's Janus Henderson Group plc (JHG) Holding Value Over Time
Track share changes against reported price movement
Quarterly Janus Henderson Group plc (JHG) Trades by Mario Gabelli
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2017 | +1.89 M | New Buy | 1.89 M | $33.11 |
| Q3 2017 | -817,564 | Reduce 43.26% | 1.07 M | $34.84 |
| Q4 2017 | -339,577 | Reduce 31.67% | 732,733 | $38.26 |
| Q1 2018 | -129,835 | Reduce 17.72% | 602,898 | $33.09 |
| Q2 2018 | -60,858 | Reduce 10.09% | 542,040 | $30.73 |
| Q3 2018 | -3,630 | Reduce 0.67% | 538,410 | $26.96 |
| Q4 2018 | -1,378 | Reduce 0.26% | 537,032 | $20.72 |
| Q1 2019 | -6,000 | Reduce 1.12% | 531,032 | $24.98 |
| Q2 2019 | -4,471 | Reduce 0.84% | 526,561 | $21.40 |
| Q3 2019 | -109,916 | Reduce 20.87% | 416,645 | $22.46 |
| Q4 2019 | -13,679 | Reduce 3.28% | 402,966 | $24.45 |
| Q1 2020 | -471 | Reduce 0.12% | 402,495 | $15.32 |
| Q2 2020 | -17,707 | Reduce 4.40% | 384,788 | $21.16 |
| Q3 2020 | -535 | Reduce 0.14% | 384,253 | $21.72 |
| Q4 2020 | -92,243 | Reduce 24.01% | 292,010 | $32.51 |
| Q1 2021 | +42,558 | Add 14.57% | 334,568 | $31.15 |
| Q2 2021 | +154,200 | Add 46.09% | 488,768 | $38.81 |
| Q3 2021 | -300 | Reduce 0.06% | 488,468 | $41.33 |
| Q4 2021 | -4,571 | Reduce 0.94% | 483,897 | $41.94 |
| Q1 2022 | +28,745 | Add 5.94% | 512,642 | $35.02 |
| Q2 2022 | +32,007 | Add 6.24% | 544,649 | $23.51 |
| Q3 2022 | +30,125 | Add 5.53% | 574,774 | $20.31 |
| Q4 2022 | -47,079 | Reduce 8.19% | 527,695 | $23.52 |
| Q1 2023 | -11,428 | Reduce 2.17% | 516,267 | $26.64 |
| Q2 2023 | -12,421 | Reduce 2.41% | 503,846 | $27.25 |
| Q3 2023 | -3,901 | Reduce 0.77% | 499,945 | $25.82 |
| Q4 2023 | -7,921 | Reduce 1.58% | 492,024 | $30.15 |
| Q1 2024 | -14,700 | Reduce 2.99% | 477,324 | $32.89 |
| Q2 2024 | -10,732 | Reduce 2.25% | 466,592 | $33.71 |
| Q3 2024 | -3,331 | Reduce 0.71% | 463,261 | $38.07 |
| Q4 2024 | -31,820 | Reduce 6.87% | 431,441 | $42.53 |
| Q1 2025 | -1,100 | Reduce 0.25% | 430,341 | $36.15 |
| Q2 2025 | -3,009 | Reduce 0.70% | 427,332 | $38.84 |
| Q3 2025 | -10,200 | Reduce 2.39% | 417,132 | $44.51 |
Mario Gabelli's Janus Henderson Group plc Investment FAQs
Mario Gabelli first purchased Janus Henderson Group plc (JHG) in Q2 2017, acquiring 1,889,874 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli has held Janus Henderson Group plc (JHG) for 34 quarters since Q2 2017. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli's largest addition to Janus Henderson Group plc (JHG) was in Q2 2017, adding 1,889,874 shares worth $62.57 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 417,132 shares of Janus Henderson Group plc (JHG), valued at approximately $18.57 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, Janus Henderson Group plc (JHG) represents approximately 0.18% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli's peak holding in Janus Henderson Group plc (JHG) was 1,889,874 shares, as reported at the end of Q2 2017. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.