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Horizon Investments’s Idexx Laboratories IDXX Stock Holding History

Horizon Investments’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
Q1 		$1.59M Buy
2,830
+406
+17% +$260K 0.02% 539
2025
Q4 		$1.64M Sell
2,424
-97
-4% -$66.1K 0.02% 517
2025
Q3 		$1.61M Sell
2,521
-9
-0.4% -$5.46K 0.02% 519
2025
Q2 		$1.36M Buy
2,530
+1,185
+88% +$567K 0.02% 491
2025
Q1 		$565K Buy
1,345
+49
+4% +$21.3K 0.02% 354
2024
Q4 		$536K Buy
1,296
+42
+3% +$18.4K 0.02% 364
2024
Q3 		$634K Sell
1,254
-20
-2% -$9.72K 0.02% 326
2024
Q2 		$621K Buy
1,274
+142
+13% +$71.3K 0.02% 333
2024
Q1 		$611K Sell
1,132
-39
-3% -$21.3K 0.02% 329
2023
Q4 		$650K Buy
1,171
+600
+105% +$282K 0.02% 293
2023
Q3 		$250K Buy
571
+12
+2% +$5.98K 0.01% 455
2023
Q2 		$281K Buy
559
+6
+1% +$2.88K 0.01% 436
2023
Q1 		$277K Sell
553
-296
-35% -$142K 0.01% 418
2022
Q4 		$346K Buy
+849
New +$330K 0.01% 439
2022
Q3 		– Sell
-730
Closed -$256K – 504
2022
Q2 		$256K Sell
730
-21
-3% -$8.56K 0.01% 405
2022
Q1 		$411K Buy
751
+91
+14% +$47.9K 0.01% 386
2021
Q4 		$435K Sell
660
-688
-51% -$432K 0.01% 352
2021
Q3 		$838K Buy
1,348
+352
+35% +$237K 0.02% 234
2021
Q2 		$629K Sell
996
-1,627
-62% -$898K 0.02% 280
2021
Q1 		$1.28M Sell
2,623
-238
-8% -$119K 0.05% 172
2020
Q4 		$1.43M Buy
2,861
+149
+5% +$66.7K 1.63% 17
2020
Q3 		$1.07M Buy
2,712
+1,026
+61% +$379K 0.04% 176
2020
Q2 		$557K Buy
+1,686
New +$488K 0.01% 316
2020
Q1 		– Sell
-877
Closed -$229K – 388
2019
Q4 		$229K Sell
877
-122
-12% -$32.1K 0.01% 491
2019
Q3 		$272K Sell
999
-2,137
-68% -$595K 0.01% 274
2019
Q2 		$863K Buy
3,136
+2,221
+243% +$547K 0.02% 154
2019
Q1 		$205K Buy
+915
New +$189K 0.01% 411

Other funds holding IDXX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 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
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 $609B AUM 40.19% 1-Year Est. Return
Fundsmith LLP
Fundsmith LLP London, United Kingdom $12.8B AUM 6.9% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Horizon Investments's IDXX Position: Q1 2026 in Review

Horizon Investments increased its Idexx Laboratories (IDXX) stake by 17% in Q1 2026, buying an estimated $260K and bringing the position to 2,830 shares worth $1.59M. The position accounts for 0.02% of the portfolio, ranked #539.

Horizon Investments first reported a position in IDXX in Q1 2019 and has held it in 27 quarters since. The position peaked at $1.64M in Q4 2025. 1,314 funds tracked by Wall St. Rank hold IDXX as of Q1 2026.

  • Horizon Investments held 2,830 shares of Idexx Laboratories worth $1.59M as of Q1 2026.
  • Horizon Investments bought 406 Idexx Laboratories shares in Q1 2026, an estimated $260K.
  • Idexx Laboratories made up 0.02% of Horizon Investments's portfolio in Q1 2026, its #539 holding.
  • Horizon Investments first reported a position in Idexx Laboratories in Q1 2019 and has held it in 27 quarters since.
  • Horizon Investments's Idexx Laboratories position peaked at $1.64M in Q4 2025.
  • 1,314 funds tracked by Wall St. Rank held Idexx Laboratories as of Q1 2026.

Based on Horizon Investments's 13F filing for Q1 2026, filed 15 May 2026.