Current position

Bill Ackman’s Amazon (AMZN) position

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

Pershing Square Capital ManagementVerified through Q2 2026
Relationship snapshot

At a glance

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

First reportedQ2 2025Earliest verified positive filing snapshot
Latest statusCurrent positionBased on the latest supported relationship state
Peak shares11.45MHighest verified quarter-end share count
Quarters reported5Verified quarters with shares above zero
What happened?

Pershing Square Capital Management first reported Amazon in Q2 2025. The reported position was increased and reduced across later filings. Pershing Square Capital Management currently reports 8.56M shares. The latest verified filing showed: Sold 25.2% of the position.

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.

Q2 2026
Sold 25.2% of the position−2.89M shares · 8.56M shares remained
Filing context

Quarter-end price $238.34 · Estimated holding basis $221.38

Q1 2026
Bought 19.2% more+1.84M shares · 11.45M shares reported after the change
Filing context

Quarter-end price $208.27 · Estimated holding basis $221.38

Q4 2025
Bought 65.0% more+3.78M shares · 9.61M shares reported after the change
Filing context

Quarter-end price $230.82 · Estimated holding basis $223.89

Q2 2025
New position+5.82M shares · 5.82M shares reported
Filing context

Quarter-end price $219.39 · Estimated holding basis $219.39

1 unchanged quarter is collapsed by default.

Portfolio importance

How important is Amazon in Pershing Square Capital Management’s reported portfolio?

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

Current portfolio weight10.5%Q2 2026
Current rank#4of 14 reported positions
Peak portfolio weight16.7%Q1 2026
Best historical rank#2Q1 2026
At peak importanceQ1 2026
AMZN
16.7%
Largest holding
16.9%
Cross-investor discovery

Who else owns Amazon?

Also reported by 10 other tracked investors in their latest verified filings.

Seth KlarmanBaupost Group
AMZN16.5% of reported portfolio
David TepperAppaloosa LP
AMZN16.0% of reported portfolio
Chase ColemanTiger Global Management LLC
AMZN9.6% of reported portfolio
Explore Amazon across all tracked investors →
MarketInsiderLab research

Connected research on Amazon

Only published MIL research mapped to the exact stock identity is shown here.

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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$253.712026-09-18

Market context only; not an investor transaction price.

Latest filing quarter-end price$238.34Q2 2026

Derived from validated reported value and shares where supported.

Estimated holding basis$221.38Historical reference — not actual purchase price

Calculated from supported filing history.

Latest verified investor filingQ2 2026 · filed 2026-08-14
Open SEC filing ↗

View Amazon stock page →

This tracker follows Pershing Square Capital Management’s Form 13F disclosures. It is not Bill Ackman’s personal brokerage account, and 13F filings do not reveal exact trade dates or execution prices.