Historical position

Nelson Peltz’s Comcast (CMCSA) position

Reported position history, portfolio importance and verified filing changes from public SEC disclosures.

Trian Fund ManagementVerified through Q2 2026
Relationship snapshot

At a glance

The full verified relationship, including prior ownership episodes and exits where supported.

First reportedQ2 2020Earliest verified positive filing snapshot
Latest statusHistorical positionBased on the latest supported relationship state
Peak shares20.80MHighest verified quarter-end share count
Quarters reported7Verified quarters with shares above zero
What happened?

Trian Fund Management first reported Comcast in Q2 2020. The reported position was increased and reduced across later filings. Verified positive position history runs through Q4 2021. The current relationship status cannot be determined reliably from supported data.

Verified SEC history

Position over time

See the same verified relationship through reported shares, portfolio weight or reported value.

Metric

Gaps indicate periods that cannot be safely connected or where a verified corporate action changes the raw share scale. Stock price, when available, is market context and not a transaction price.

Key filing events

What changed

Latest filing plus the most meaningful reported changes. Unchanged quarters are collapsed by default.

Q1 2022
Sold the entire position−19.99M shares · No shares reported at quarter-end
Q3 2021
Sold 3.9% of the position−806.05K shares · 19.99M shares remained
Filing context

Quarter-end price $55.93 · Estimated holding basis $45.49

Q2 2021
Bought 4.7% more+939.57K shares · 20.80M shares reported after the change
Filing context

Quarter-end price $57.02 · Estimated holding basis $45.49

Q4 2020
Bought 27.1% more+4.23M shares · 19.86M shares reported after the change
Filing context

Quarter-end price $52.40 · Estimated holding basis $44.94

Q3 2020
Bought 118.3% more+8.47M shares · 15.63M shares reported after the change
Filing context

Quarter-end price $46.26 · Estimated holding basis $42.93

Q2 2020
New position+7.16M shares · 7.16M shares reported
Filing context

Quarter-end price $38.98 · Estimated holding basis $38.98

2 unchanged quarters are collapsed by default.

Portfolio importance

How important was Comcast in Trian Fund Management’s reported portfolio?

Relative importance is measured only within the verified primary non-option reported portfolio for each quarter.

Last reported portfolio weight13.5%Q4 2021
Last reported rank#5of 9 reported positions
Peak portfolio weight15.4%Q4 2020
Best historical rank#2Q3 2021
At peak importanceQ4 2020
CMCSA
15.4%
Largest holding
22.6%
Cross-investor discovery

Who else owns Comcast?

Also reported by 4 other tracked investors in their latest verified filings.

David EinhornDME Capital Management
CMCSA0.8% of reported portfolio
Tom RussoGardner Russo & Quinn · formerly Gardner Russo & Gardner
CMCSA0.6% of reported portfolio
Ray DalioBridgewater Associates, LP
CMCSA0.1% of reported portfolio
Explore Comcast across all tracked investors →
SEC evidence & methodology

SEC filing evidence

Market context and filing-derived values are kept separate from actual transaction prices, which 13F filings do not disclose.

Latest verified stock price$22.742026-09-18

Market context only; not an investor transaction price.

Latest verified investor filingQ2 2026 · filed 2026-08-12
Open SEC filing ↗

View Comcast stock page →

This tracker follows Trian Fund Management, L.P.’s Form 13F disclosures—not Nelson Peltz’s personal brokerage account. Form 13F reports quarter-end U.S.-listed positions and certain options, but it does not reveal exact trade dates, execution prices, short positions or the purpose of an option position.