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Thompson Investment Management’s Idexx Laboratories IDXX Stock Holding History

Thompson Investment Management’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 		$395K Hold
750
– – 0.05% 151
2026
Q1 		$421K Hold
750
– – 0.05% 139
2025
Q4 		$507K Hold
750
– – 0.06% 129
2025
Q3 		$479K Hold
750
– – 0.06% 134
2025
Q2 		$402K Hold
750
– – 0.06% 139
2025
Q1 		$315K Hold
750
– – 0.05% 148
2024
Q4 		$310K Buy
+750
New +$329K 0.04% 153

Other funds holding IDXX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
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

Thompson Investment Management's IDXX Position: Q2 2026 in Review

Thompson Investment Management held its Idexx Laboratories (IDXX) position steady in Q2 2026 at 750 shares worth $395K. The position accounts for 0.05% of the portfolio, ranked #151.

Thompson Investment Management first reported a position in IDXX in Q4 2024 and has held it in 7 quarters since. The position peaked at $507K in Q4 2025. 1,296 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

  • Thompson Investment Management held 750 shares of Idexx Laboratories worth $395K as of Q2 2026.
  • Thompson Investment Management left its Idexx Laboratories share count unchanged in Q2 2026.
  • Idexx Laboratories made up 0.05% of Thompson Investment Management's portfolio in Q2 2026, its #151 holding.
  • Thompson Investment Management first reported a position in Idexx Laboratories in Q4 2024 and has held it in 7 quarters since.
  • Thompson Investment Management's Idexx Laboratories position peaked at $507K in Q4 2025.
  • 1,296 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on Thompson Investment Management's 13F filing for Q2 2026, filed 13 Jul 2026.