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Westmount Partners’s Idexx Laboratories IDXX Stock Holding History

Westmount Partners’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 		$211K Hold
400
– – 0.05% 250
2026
Q1 		$225K Hold
400
– – 0.06% 244
2025
Q4 		$271K Hold
400
– – 0.07% 207
2025
Q3 		$248K Hold
400
– – 0.06% 219
2025
Q2 		$215K Buy
+400
New +$191K 0.06% 235
2024
Q4 		– Sell
-400
Closed -$202K – 224
2024
Q3 		$202K Buy
+400
New +$194K 0.06% 219
2024
Q2 		– Sell
-400
Closed -$216K – 222
2024
Q1 		$216K Hold
400
– – 0.08% 193
2023
Q4 		$222K Buy
+400
New +$188K 0.09% 176
2023
Q3 		– Sell
-400
Closed -$201K – 200
2023
Q2 		$201K Hold
400
– – 0.09% 174
2023
Q1 		$200K Buy
+400
New +$191K 0.09% 173

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

Westmount Partners's IDXX Position: Q2 2026 in Review

Westmount Partners held its Idexx Laboratories (IDXX) position steady in Q2 2026 at 400 shares worth $211K. The position accounts for 0.05% of the portfolio, ranked #250.

Westmount Partners first reported a position in IDXX in Q1 2023 and has held it in 10 quarters since. The position peaked at $271K in Q4 2025. 1,302 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

  • Westmount Partners held 400 shares of Idexx Laboratories worth $211K as of Q2 2026.
  • Westmount Partners left its Idexx Laboratories share count unchanged in Q2 2026.
  • Idexx Laboratories made up 0.05% of Westmount Partners's portfolio in Q2 2026, its #250 holding.
  • Westmount Partners first reported a position in Idexx Laboratories in Q1 2023 and has held it in 10 quarters since.
  • Westmount Partners's Idexx Laboratories position peaked at $271K in Q4 2025.
  • 1,302 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on Westmount Partners's 13F filing for Q2 2026, filed 7 Jul 2026.