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NewsMacro · AMZN

Baupost opens Pershing Square stake, adds to Amazon and Alphabet holdings in second quarter

Second-quarter disclosures from Seth Klarman's Baupost Group put AMZN and GOOGL in focus, with the fund adding to existing Amazon and Alphabet positions while opening a fresh stake in Pershing Square. The next confirmable data point is the third-quarter filing, which will show whether the firm continued the build or trimmed back.

By Grant HalloranMacro DeskAugust 13, 20262 min readAMZN ·GOOGL
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Key takeaways

  • Seth Klarman's Baupost Group opened a new stake in Pershing Square while adding to its existing Amazon (AMZN) and Alphabet (GOOGL) positions in the second quarter.
  • The disclosures include no share counts, dollar values, or cost basis figures, so the size of each position cannot yet be quantified from public information.
  • The three moves occurred in the same quarter and read as a cluster of related activity, giving a directional signal regardless of absolute sizing.
  • Quarterly institutional filings have a built-in lag, so the additions confirm only the direction Baupost was moving during the second quarter, not its current positioning.
  • The third-quarter filing is the next confirmable data point and will show whether Baupost kept building or trimmed the positions.

Second-quarter disclosures from Seth Klarman's Baupost Group put AMZN and GOOGL in focus, with the fund adding to existing Amazon and Alphabet positions while opening a fresh stake in Pershing Square. The next confirmable data point is the third-quarter filing, which will show whether the firm continued the build or trimmed back.

The positions Baupost reported

Baupost entered Pershing Square as a net-new holding in the second quarter. Separately, the firm grew its stakes in both Amazon and Alphabet. The disclosures include no share counts, dollar values, or cost basis figures for any of the three positions, which means the scale of commitment in each name is not yet quantifiable from publicly available information.

Three moves in the same quarter carry a directional signal on their own, whatever the absolute sizing turns out to be. A new entry into Pershing Square alongside adds in both Amazon and Alphabet reads as a cluster of related activity, though the source summary provides no further context on sequencing or relative weight across the book.

The lag problem in institutional filings

Quarterly disclosures have a structural delay built in. By the time the data reaches the public, the underlying positions may have already changed. For AMZN and GOOGL, the Baupost additions confirm the direction the fund was moving during the second quarter and nothing more.

A reader who tracks derivatives flow would want to overlay options activity in both names against the accumulation window before drawing conclusions about current setup. Institutional position adds that arrive without accompanying volume confirmation tend to inform the historical record more than they inform near-term price action.

Baupost is a concentrated fund by construction. A move that lands in the quarterly record here carries more signal than the same filing from a broadly diversified multi-manager, and that asymmetry holds even when position sizing is not yet public.

What to watch next

The third-quarter filing will clarify whether Baupost continued to build Amazon and Alphabet or pulled back after Q2. For Pershing Square, the question is whether the second-quarter entry was the start of a sustained position or a single-period hold. That answer arrives with the next quarterly disclosure.

Related reading

About this story

Filed by the macro desk of MarketPR on August 13, 2026. Source: MarketPR newsroom. Indicative figures are not investment advice.

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Frequently asked

What did Baupost do with Amazon and Alphabet in the second quarter?

Baupost grew its existing stakes in both Amazon (AMZN) and Alphabet (GOOGL) during the second quarter.

How large are Baupost's new positions?

The scale is not quantifiable, because the disclosures include no share counts, dollar values, or cost basis figures for any of the three positions.

Was Pershing Square a new position for Baupost?

Yes, Baupost entered Pershing Square as a net-new holding in the second quarter.

Why do these filings only confirm past direction rather than current positioning?

Quarterly disclosures have a structural delay, so by the time the data is public the underlying positions may have already changed.

What will the third-quarter filing reveal?

It will clarify whether Baupost continued building Amazon and Alphabet or pulled back, and whether the Pershing Square entry was the start of a sustained position or a single-period hold.