Exited position

Bill Ackman’s Zoetis Inc (ZTS) 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 reportedQ3 2014Earliest verified positive filing snapshot
Latest statusExited positionBased on the latest supported relationship state
Peak shares41.82MHighest verified quarter-end share count
Quarters reported9Verified quarters with shares above zero
What happened?

Pershing Square Capital Management first reported Zoetis Inc in Q3 2014. The reported position was increased and reduced across later filings. The latest verified relationship event shows that Pershing Square Capital Management sold the entire position in Q4 2016, and the stock is no longer reported in the latest verified portfolio.

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.

Q4 2016
Sold the entire position−2.72M shares · No shares reported at quarter-end
Q3 2016
Sold 87.2% of the position−18.46M shares · 2.72M shares remained
Filing context

Quarter-end price $52.01 · Estimated holding basis $42.24

Q2 2016
Sold 49.4% of the position−20.65M shares · 21.17M shares remained
Filing context

Quarter-end price $47.46 · Estimated holding basis $42.24

Q1 2015
Bought 0.6% more+253.50K shares · 41.82M shares reported after the change
Filing context

Quarter-end price $46.29 · Estimated holding basis $42.24

Q4 2014
Bought 650.8% more+36.03M shares · 41.57M shares reported after the change
Filing context

Quarter-end price $43.03 · Estimated holding basis $42.22

Q3 2014
New position+5.54M shares · 5.54M shares reported
Filing context

Quarter-end price $36.95 · Estimated holding basis $36.95

4 unchanged quarters are collapsed by default.

Portfolio importance

How important was Zoetis Inc in Pershing Square Capital Management’s reported portfolio?

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

Last reported portfolio weight2.6%Q3 2016
Last reported rank#9of 9 reported positions
Peak portfolio weight20.9%Q1 2016
Best historical rank#1Q1 2016
At peak importanceQ1 2016
ZTS
20.9%
Largest holding
20.9%
Cross-investor discovery

Who else owns Zoetis Inc?

Also reported by 3 other tracked investors in their latest verified filings.

Joel GreenblattGotham Asset Management
ZTS0.1% of reported portfolio
Ray DalioBridgewater Associates, LP
ZTS0.0% of reported portfolio
George SorosSoros Fund Management
ZTS0.0% of reported portfolio
Explore Zoetis Inc 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$72.972026-09-11

Market context only; not an investor transaction price.

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

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.