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Tandem Investment Advisors’s Idexx Laboratories IDXX Stock Holding History

Tandem Investment Advisors’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 		$4.42M Sell
8,389
-1,987
-19% -$1.11M 0.3% 36
2026
Q1 		$5.83M Sell
10,376
-1,009
-9% -$647K 0.29% 33
2025
Q4 		$7.7M Sell
11,385
-355
-3% -$242K 0.29% 31
2025
Q3 		$7.5M Sell
11,740
-5
-0% -$3.04K 0.26% 33
2025
Q2 		$6.3M Buy
11,745
+32
+0.3% +$15.3K 0.22% 32
2025
Q1 		$4.92M Buy
11,713
+7,848
+203% +$3.41M 0.17% 37
2024
Q4 		$1.6M Buy
+3,865
New +$1.7M 0.06% 44

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

Tandem Investment Advisors's IDXX Position: Q2 2026 in Review

Tandem Investment Advisors reduced its Idexx Laboratories (IDXX) stake by 19% in Q2 2026, selling an estimated $1.11M and leaving 8,389 shares worth $4.42M. The position accounts for 0.3% of the portfolio, ranked #36.

Tandem Investment Advisors first reported a position in IDXX in Q4 2024 and has held it in 7 quarters since. The position peaked at $7.7M in Q4 2025. 1,305 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

  • Tandem Investment Advisors held 8,389 shares of Idexx Laboratories worth $4.42M as of Q2 2026.
  • Tandem Investment Advisors sold 1,987 Idexx Laboratories shares in Q2 2026, an estimated $1.11M.
  • Idexx Laboratories made up 0.3% of Tandem Investment Advisors's portfolio in Q2 2026, its #36 holding.
  • Tandem Investment Advisors first reported a position in Idexx Laboratories in Q4 2024 and has held it in 7 quarters since.
  • Tandem Investment Advisors's Idexx Laboratories position peaked at $7.7M in Q4 2025.
  • 1,305 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on Tandem Investment Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.