Historical position

Seth Klarman’s Aercap Holdings Nv (AER) position

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

Baupost GroupVerified through Q2 2026
Relationship snapshot

At a glance

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

First reportedQ3 2015Earliest verified positive filing snapshot
Latest statusHistorical positionBased on the latest supported relationship state
Peak shares2.45MHighest verified quarter-end share count
Quarters reported1Verified quarters with shares above zero
What happened?

Baupost Group first reported Aercap Holdings Nv in Q3 2015. Verified positive position history runs through Q3 2015. 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.

Q4 2015
Sold the entire position−2.45M shares · No shares reported at quarter-end
Q3 2015
New position+2.45M shares · 2.45M shares reported
Filing context

Quarter-end price $38.24 · Estimated holding basis $38.24

Portfolio importance

How important was Aercap Holdings Nv in Baupost Group’s reported portfolio?

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

Last reported portfolio weight1.6%Q3 2015
Last reported rank#16of 41 reported positions
Peak portfolio weight1.6%Q3 2015
Best historical rank#16Q3 2015
At peak importanceQ3 2015
AER
1.6%
Largest holding
18.2%
Cross-investor discovery

Who else owns Aercap Holdings Nv?

Also reported by 2 other tracked investors in their latest verified filings.

Explore Aercap Holdings Nv 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$141.642026-09-18

Market context only; not an investor transaction price.

Latest verified investor filingQ2 2026 · filed 2026-08-13
Open SEC filing ↗

This tracker follows Baupost Group LLC/MA’s Form 13F disclosures—not Seth Klarman’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.