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Thomas Steyer’s Idexx Laboratories IDXX Stock Holding History

Thomas Steyer’s Portfolio IDXX Stock Details IDXX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$4.74M Buy
+9,000
New +$5.05M 0.02% 69

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BlackRock
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Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Thomas Steyer's IDXX Position: Q2 2026 in Review

Thomas Steyer opened a new position in Idexx Laboratories (IDXX) in Q2 2026: 9,000 shares worth $4.74M. The stake represents 0.02% of the portfolio and ranks #69 among its holdings.

1,293 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

  • Thomas Steyer held 9,000 shares of Idexx Laboratories worth $4.74M as of Q2 2026.
  • Idexx Laboratories was a new Thomas Steyer position in Q2 2026.
  • Idexx Laboratories made up 0.02% of Thomas Steyer's portfolio in Q2 2026, its #69 holding.
  • 1,293 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on Farallon Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.