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STF Management’s Idexx Laboratories IDXX Stock Holding History

STF 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
2025
Q4 		$371K Sell
548
-654
-54% -$445K 0.35% 57
2025
Q3 		$768K Sell
1,202
-38
-3% -$23.1K 0.28% 69
2025
Q2 		$665K Buy
1,240
+16
+1% +$7.65K 0.26% 73
2025
Q1 		$514K Sell
1,224
-20
-2% -$8.68K 0.25% 85
2024
Q4 		$514K Buy
1,244
+60
+5% +$26.3K 0.23% 88
2024
Q3 		$598K Sell
1,184
-168
-12% -$81.6K 0.27% 73
2024
Q2 		$659K Sell
1,352
-63
-4% -$31.6K 0.28% 71
2024
Q1 		$764K Buy
1,415
+1
+0.1% +$546 0.33% 67
2023
Q4 		$785K Buy
1,414
+63
+5% +$29.6K 0.37% 64
2023
Q3 		$591K Buy
1,351
+840
+164% +$419K 0.31% 74
2023
Q2 		$257K Sell
511
-435
-46% -$208K 0.28% 71
2023
Q1 		$473K Buy
946
+392
+71% +$188K 0.32% 67
2022
Q4 		$226K Buy
+554
New +$215K 0.32% 71

Other funds holding IDXX

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
JSC
J. Stern & Co London, United Kingdom $1.03B AUM 20.71% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Fundsmith LLP
Fundsmith LLP London, United Kingdom $12.8B AUM 6.9% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

STF Management's IDXX Position: Q4 2025 in Review

STF Management reduced its Idexx Laboratories (IDXX) stake by 54% in Q4 2025, selling an estimated $445K and leaving 548 shares worth $371K. The position accounts for 0.35% of the portfolio, ranked #57.

STF Management first reported a position in IDXX in Q4 2022 and has held it in 13 quarters since. The position peaked at $785K in Q4 2023. 1,385 funds tracked by Wall St. Rank hold IDXX as of Q4 2025.

  • STF Management held 548 shares of Idexx Laboratories worth $371K as of Q4 2025.
  • STF Management sold 654 Idexx Laboratories shares in Q4 2025, an estimated $445K.
  • Idexx Laboratories made up 0.35% of STF Management's portfolio in Q4 2025, its #57 holding.
  • STF Management first reported a position in Idexx Laboratories in Q4 2022 and has held it in 13 quarters since.
  • STF Management's Idexx Laboratories position peaked at $785K in Q4 2023.
  • 1,385 funds tracked by Wall St. Rank held Idexx Laboratories as of Q4 2025.

Based on STF Management's 13F filing for Q4 2025, filed 5 Feb 2026.