Trian Fund Management, L.P.
An investor that takes large stakes in companies and pushes for changes in how they are run.
Right now Trian has no stake of 5% or more in any closed-end fund.
Newest move: June 30, 2026, at JANUS HENDERSON GROUP PLC.
What they usually do
An investor that takes large stakes in companies and pushes for changes in how they are run. It rarely files on closed-end funds.
Funds they are in right now
None right now.
Recent moves
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June 30, 2026
Janus Henderson Group PLC: Trian cut its stake to 13% (from 16.7%). It has said it may push for changes.
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June 18, 2026
Janus Henderson Group PLC: Trian filed an updated notice; it still owns 16.7%. It has said it may push for changes.
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May 14, 2026
Janus Henderson Group PLC: Trian cut its stake to 16.7% (from 20.7%). It has said it may push for changes.
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March 24, 2026
Janus Henderson Group PLC: Trian raised its stake to 20.7% (from 20.6%). It has said it may push for changes.
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Feb 18, 2026
WEN - Wendy's Co: Trian raised its stake to 16.2% (from 16.1%). It has said it may push for changes.
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Dec 22, 2025
Janus Henderson Group PLC: Trian raised its stake to 20.6% (from 20.4%). It has said it may push for changes.
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Oct 27, 2025
Janus Henderson Group PLC: Trian raised its stake to 20.4% (from 20.2%). It has said it may push for changes.
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July 8, 2025
WEN - Wendy's Co: Trian raised its stake to 16.1% (from 15.2%). It has said it may push for changes.
Original document →
Show all 14 moves
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May 22, 2025
IVZ - Invesco Ltd.: Trian sold down below 5% and stopped reporting.
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May 2, 2025
Janus Henderson Group PLC: Trian now owns 20.2%. It has said it may push for changes.
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Sept 6, 2024
WEN - Wendy's Co: Trian filed an updated notice; it still owns 15.2%. It has said it may push for changes.
Original document → -
Aug 9, 2024
WEN - Wendy's Co: Trian now owns 15.2%. It has said it may push for changes.
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June 14, 2024
IVZ - Invesco Ltd.: Trian now owns 6.1%. It has said it may push for changes.
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Feb 14, 2024
Ferguson plc: Trian sold down below 5% and stopped reporting.
Original document →
Details
See this investor's page at the SEC →
| Date | Fund | Stake | Type of notice |
|---|---|---|---|
| June 30, 2026 | Janus Henderson Group PLC | 13% | Updated notice |
| June 18, 2026 | Janus Henderson Group PLC | 16.7% | Updated notice |
| May 14, 2026 | Janus Henderson Group PLC | 16.7% | Updated notice |
| March 24, 2026 | Janus Henderson Group PLC | 20.7% | Updated notice |
| Feb 18, 2026 | WEN - Wendy's Co | 16.2% | Updated notice |
| Dec 22, 2025 | Janus Henderson Group PLC | 20.6% | Updated notice |
| Oct 27, 2025 | Janus Henderson Group PLC | 20.4% | Updated notice |
| July 8, 2025 | WEN - Wendy's Co | 16.1% | Updated notice |
| May 22, 2025 | IVZ - Invesco Ltd. | 4.6% | Sold down below 5% |
| May 2, 2025 | Janus Henderson Group PLC | 20.2% | Updated notice |
| Sept 6, 2024 | WEN - Wendy's Co | 15.2% | Updated notice |
| Aug 9, 2024 | WEN - Wendy's Co | 15.2% | Updated notice |
| June 14, 2024 | IVZ - Invesco Ltd. | 6.1% | May push for changes |
| Feb 14, 2024 | Ferguson plc | 2.5% | Sold down below 5% |
Email me whenever Trian files something new
Free. One email per notice or announcement, usually within a day. No password.