National Pension Service
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National Pension Service’s Idexx Laboratories IDXX Stock Holding History

National Pension Service’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 		$68.1M Buy
129,305
+6,885
+6% +$3.86M 0.04% 302
2026
Q1 		$68.8M Buy
122,420
+16,076
+15% +$10.3M 0.05% 269
2025
Q4 		$71.9M Sell
106,344
-10,749
-9% -$7.32M 0.05% 249
2025
Q3 		$74.8M Buy
117,093
+2,715
+2% +$1.65M 0.06% 238
2025
Q2 		$61.3M Sell
114,378
-12,022
-10% -$5.75M 0.05% 259
2025
Q1 		$53.1M Buy
126,400
+8,752
+7% +$3.8M 0.05% 270
2024
Q4 		$48.6M Sell
117,648
-68,324
-37% -$30M 0.05% 296
2024
Q3 		$94M Buy
185,972
+12,647
+7% +$6.14M 0.09% 220
2024
Q2 		$84.4M Buy
173,325
+7,666
+5% +$3.85M 0.1% 216
2024
Q1 		$89.4M Buy
165,659
+45
+0% +$24.6K 0.11% 210
2023
Q4 		$91.9M Buy
165,614
+3,679
+2% +$1.73M 0.13% 187
2023
Q3 		$70M Buy
161,935
+4,152
+3% +$2.07M 0.11% 208
2023
Q2 		$78M Buy
157,783
+9,332
+6% +$4.47M 0.13% 200
2023
Q1 		$73.3M Sell
148,451
-5,424
-4% -$2.6M 0.13% 190
2022
Q4 		$62.8M Sell
153,875
-1,240
-0.8% -$481K 0.12% 202
2022
Q3 		$51.5M Buy
155,115
+9,718
+7% +$3.57M 0.11% 224
2022
Q2 		$51M Buy
145,397
+11,667
+9% +$4.76M 0.11% 221
2022
Q1 		$73.2M Buy
133,730
+7,953
+6% +$4.18M 0.13% 171
2021
Q4 		$82.8M Sell
125,777
-3,085
-2% -$1.94M 0.14% 154
2021
Q3 		$80.1M Buy
128,862
+816
+0.6% +$548K 0.15% 143
2021
Q2 		$80.9M Buy
128,046
+1,630
+1% +$900K 0.15% 150
2021
Q1 		$61.9M Buy
126,416
+7,209
+6% +$3.61M 0.13% 180
2020
Q4 		$59.6M Sell
119,207
-4,878
-4% -$2.18M 0.14% 166
2020
Q3 		$47.9M Hold
124,085
– – 0.13% 176
2020
Q2 		$41M Buy
124,085
+11,018
+10% +$3.19M 0.12% 194
2020
Q1 		$27.4M Hold
113,067
– – 0.09% 251
2019
Q4 		$29.5M Buy
113,067
+2,045
+2% +$539K 0.08% 302
2019
Q3 		$30.2M Buy
111,022
+5,794
+6% +$1.61M 0.1% 266
2019
Q2 		$29M Sell
105,228
-11,242
-10% -$2.77M 0.1% 266
2019
Q1 		$26M Buy
116,470
+4,076
+4% +$841K 0.1% 240
2018
Q4 		$23.3M Buy
112,394
+4,248
+4% +$871K 0.1% 248
2018
Q3 		$27M Buy
108,146
+17,284
+19% +$4.2M 0.11% 221
2018
Q2 		$19.8M Buy
90,862
+521
+0.6% +$107K 0.09% 271
2018
Q1 		$17.3M Sell
90,341
-5,035
-5% -$929K 0.09% 304
2017
Q4 		$14.9M Buy
95,376
+3,935
+4% +$619K 0.07% 361
2017
Q3 		$14.1M Buy
91,441
+3,618
+4% +$572K 0.08% 325
2017
Q2 		$14.1M Buy
87,823
+8,144
+10% +$1.32M 0.08% 312
2017
Q1 		$12.3M Buy
79,679
+79,522
+50,651% +$11M 0.08% 322
2016
Q4 		$18K Buy
157
+35
+29% +$3.99K ﹤0.01% 481
2016
Q3 		$14K Buy
+122
New +$12.9K ﹤0.01% 427

Other funds holding IDXX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 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
William Blair & Company
William Blair & Company Chicago, Illinois $38.4B AUM 25.71% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

National Pension Service's IDXX Position: Q2 2026 in Review

National Pension Service increased its Idexx Laboratories (IDXX) stake by 5.6% in Q2 2026, buying an estimated $3.86M and bringing the position to 129,305 shares worth $68.1M. The position accounts for 0.04% of the portfolio, ranked #302.

National Pension Service first reported a position in IDXX in Q3 2016 and has held it in 40 quarters since. The position peaked at $94M in Q3 2024. 1,060 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

  • National Pension Service held 129,305 shares of Idexx Laboratories worth $68.1M as of Q2 2026.
  • National Pension Service bought 6,885 Idexx Laboratories shares in Q2 2026, an estimated $3.86M.
  • Idexx Laboratories made up 0.04% of National Pension Service's portfolio in Q2 2026, its #302 holding.
  • National Pension Service first reported a position in Idexx Laboratories in Q3 2016 and has held it in 40 quarters since.
  • National Pension Service's Idexx Laboratories position peaked at $94M in Q3 2024.
  • 1,060 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on National Pension Service's 13F filing for Q2 2026, filed 13 Aug 2026.