Pinnbrook Capital Trims Amazon Stake by 79%

Hedge fund sells 157,112 shares of e-commerce giant in Q3

Mar. 14, 2026 at 9:21am

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Pinnbrook Capital Management LP reduced its holdings in Amazon.com, Inc. (NASDAQ:AMZN) by 79.3% during the third quarter, according to a recent SEC filing. The fund now owns 40,890 shares of the e-commerce giant's stock, down from 198,002 shares at the end of the prior quarter.

Why it matters

The filing provides insight into the investment decisions of Pinnbrook Capital, a hedge fund that manages over $1 billion in assets. Institutional investors' trades in major tech stocks like Amazon can signal broader market trends and investor sentiment.

The details

Pinnbrook Capital sold 157,112 shares of Amazon during Q3, reducing its stake in the company to just 1% of its total investment portfolio. The fund cited unspecified reasons for the significant reduction in its Amazon holdings.

  • Pinnbrook Capital filed the 13F report disclosing the Amazon stock sale on March 14, 2026.
  • The trades occurred during the third quarter of 2025.

The players

Pinnbrook Capital Management LP

A hedge fund that manages over $1 billion in assets and previously held a sizable position in Amazon.com, Inc.

Amazon.com, Inc.

The e-commerce giant and cloud computing leader, one of the most widely held stocks among institutional investors.

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What they’re saying

“We must not let individuals continue to damage private property in San Francisco.”

— Robert Jenkins, San Francisco resident (San Francisco Chronicle)

The takeaway

Pinnbrook Capital's decision to significantly reduce its Amazon stake could signal broader concerns about the e-commerce giant's growth prospects or valuation among some institutional investors, though the specific reasons behind the trade remain unclear.