Dimensional Fund Advisors Reduces Stake in Halliburton

Investment firm cuts holdings in oilfield services company by 4.3% in Q3

Published on Mar. 8, 2026

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Dimensional Fund Advisors LP, a major institutional investor, reduced its position in Halliburton Company (NYSE:HAL) by 4.3% in the third quarter of 2026. The firm now holds 8,364,523 shares of the oilfield services company, valued at $205.79 million as of its latest SEC filing.

Why it matters

Dimensional Fund Advisors is a prominent institutional investor, and changes in its portfolio can signal broader market trends and investor sentiment around specific companies. Halliburton is a key player in the oilfield services industry, so this reduction in stake could indicate broader shifts in investor outlook for the sector.

The details

According to the filing, Dimensional Fund Advisors sold 377,960 shares of Halliburton in the third quarter, bringing its total holdings down to 8,364,523 shares. The firm's position was valued at $205.79 million as of the end of the quarter. Several other major institutional investors, including Vanguard Group, Charles Schwab Investment Management, and Geode Capital Management, also hold significant stakes in Halliburton.

  • Dimensional Fund Advisors reduced its Halliburton holdings in the third quarter of 2026.

The players

Dimensional Fund Advisors LP

A prominent institutional investor that manages over $600 billion in assets.

Halliburton Company

A leading global provider of products and services to the energy industry, headquartered in Houston, Texas.

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The takeaway

The reduction in Dimensional Fund Advisors' Halliburton stake could signal broader caution among institutional investors regarding the oilfield services sector, though the company remains a major player in the industry with significant institutional backing.