AltMountain

Trian Fund Management, L.P.

New York, NY · CRD 154172
Hedge fund manager

Trian Fund Management, L.P. is an SEC-registered investment adviser based in New York, NY that reports managing 16 hedge funds on Form ADV. It reports $10.4 billion in regulatory assets under management. Its private funds, of all types, hold $11.2 billion in gross assets. Its disclosed U.S. stock holdings returned an estimated +9.9% 2026 YTD through Jun 30 (S&P 500: +9.5%), based on 13F filings. Over a longer period they returned an estimated +47.5% from Q3 2024 to Q2 2026, compared with +37.2% for the S&P 500, based on 13F filings.

Regulatory assets under management
$10.4 billionForm ADV Item 5.F
Gross assets of private funds
$11.2 billionAll private fund types, Form ADV
Hedge funds managed
1622 private funds in total
Employees
34Form ADV Item 5.A
Registration
SEC-registered adviserCRD 154172
Latest Form ADV
07/31/2026Disciplinary disclosures: none reported

Estimated 13F portfolio performance

Est. 2026 YTD+9.9%Through Q2 2026 · S&P 500 +9.5%
Est. 2-year return+47.5%Q3 2024 – Q2 2026
S&P 500+37.2%Same quarters, price only
13F holdings$4.2 billion8 positions, 2026-06-30
$100$124$148Q3 2024Q1 2025Q3 2025Q1 202613F est. $148S&P 500 $137
QuarterEst. 13F returnS&P 500
Q2 2026+13.5%+14.8%
Q1 2026-3.2%-4.6%
Q4 2025+4.9%+2.4%
Q3 2025+9.9%+7.8%
Q2 2025+7.4%+10.4%
Q1 2025-2.8%-4.5%
Q4 2024-1.4%+2.1%
Q3 2024+13.1%+5.4%

Estimate of the firm's disclosed long U.S. stock portfolio from its quarterly 13F filings, holding each quarter-end portfolio to the next quarter-end at prices implied by all 13F filers. It is a price return before dividends and fees, ignores shorts, options, bonds, cash and trading within the quarter, and is not the return of any fund. Disclosures

Largest disclosed holdings

  • Ge Aerospace Com New$1.5 billion
  • Janus Henderson Group PLC$1.3 billion
  • Solventum Corp Com SHS$635.5 million
  • Ferguson PLC New$257.8 million
  • Wendys Co$252.6 million
  • Ge Healthcare Technologies Inc$197.5 million
  • Invesco PLC$42.9 million
  • N5505d105$4.2 million

As of 2026-06-30, from 13F filing by Trian Fund Management, L.P..

Hedge funds filing Form D (5)

Matched to this firm by the fund names and related persons in each Form D. The list may be incomplete.

Private funds reported on Form ADV (11)

Fund
Gross assets
Minimum
Owners
Adviser
Trian Partners Master Fund, L.P.
Cayman IslandsHedge fund
Gross assets$1.1B
MinimumNone set
Owners30
AdviserTrian Fund Management, L.P.
Trian Partners Strategic Investment Fund-N, L.P.
Delaware, United StatesHedge fund
Gross assets$901M
MinimumNone set
Owners2
AdviserTrian Fund Management, L.P.
Trian Partners, L.P.
Delaware, United StatesHedge fund
Gross assets$745M
Minimum$10.0M
Owners115
AdviserTrian Fund Management, L.P.
Trian Partners Am Fund, LTD.
Cayman IslandsHedge fund
Gross assets$508M
Minimum$100M
Owners29
AdviserTrian Fund Management, L.P.
Trian Partners Strategic Fund-K, L.P.
Delaware, United StatesHedge fund
Gross assets$311M
MinimumNone set
Owners2
AdviserTrian Fund Management, L.P.
Trian Partners Am Parallel Fund, LTD.
Cayman IslandsHedge fund
Gross assets$272M
MinimumNone set
Owners2
AdviserTrian Fund Management, L.P.
Trian Partners Parallel Fund I, L.P.
Delaware, United StatesHedge fund
Gross assets$264M
MinimumNone set
Owners6
AdviserTrian Fund Management, L.P.
Trian Partners Strategic Fund-G II, L.P.
Delaware, United StatesHedge fund
Gross assets$250M
MinimumNone set
Owners2
AdviserTrian Fund Management, L.P.
Trian Partners Fund (Sub)-G, L.P.
Delaware, United StatesHedge fund
Gross assets$110M
MinimumNone set
Owners2
AdviserTrian Fund Management, L.P.
Trian Partners Strategic Investment Fund-A, L.P.
Delaware, United StatesHedge fund
Gross assets$90.8M
MinimumNone set
Owners2
AdviserTrian Fund Management, L.P.
Trian Partners Strategic Fund-G III, L.P.
Delaware, United StatesHedge fund
Gross assets$25.7M
MinimumNone set
Owners2
AdviserTrian Fund Management, L.P.

As reported in the adviser's Form ADV filed Jul 11, 2024. Funds also listed from Form D are shown above.

Fund vehicles: feeder funds and single-deal vehicles (4)

Fund
Gross assets
Minimum
Owners
Adviser
Trian Partners, LTD.
Cayman IslandsHedge fund
Gross assets$895M
Minimum$10.0M
Owners29
AdviserTrian Fund Management, L.P.
Trian Spv (Sub) X, L.P.
Delaware, United StatesHedge fund
Gross assets$617M
Minimum$50.0M
Owners2
AdviserTrian Fund Management, L.P.
Trian Spv XVI, LTD.
Cayman IslandsHedge fund
Gross assets$601M
Minimum$25.0M
Owners5
AdviserTrian Fund Management, L.P.
Trian Partners Co-Investment Opportunities Fund, LTD.
Cayman IslandsHedge fund
Gross assets$392M
Minimum$10.0M
Owners5
AdviserTrian Fund Management, L.P.

Feeder funds invest through a master fund; single-deal vehicles (SPVs, co-investments, series) hold one investment.

From SEC filings. Firm data comes from the SEC's Form ADV data as of Oct 2, 2026; performance estimates come from Form 13F. AltMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures