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Woodline Partners’s Idexx Laboratories IDXX Stock Holding History

Woodline 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 		$8.98M Buy
17,066
+15,611
+1,073% +$8.76M 0.03% 559
2026
Q1 		$818K Sell
1,455
-12,172
-89% -$7.81M ﹤0.01% 906
2025
Q4 		$9.22M Buy
13,627
+3,053
+29% +$2.08M 0.04% 481
2025
Q3 		$6.76M Buy
10,574
+1,875
+22% +$1.14M 0.03% 507
2025
Q2 		$4.67M Buy
+8,699
New +$4.16M 0.02% 577
2025
Q1 		– Sell
-31,929
Closed -$13.2M – 958
2024
Q4 		$13.2M Sell
31,929
-5,990
-16% -$2.63M 0.09% 292
2024
Q3 		$19.2M Buy
+37,919
New +$18.4M 0.16% 197
2023
Q2 		– Sell
-42,736
Closed -$21.4M – 694
2023
Q1 		$21.4M Buy
+42,736
New +$20.5M 0.29% 98
2020
Q4 		– Sell
-63,661
Closed -$25M – 248
2020
Q3 		$25M Buy
+63,661
New +$23.5M 0.82% 36

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

Woodline Partners's IDXX Position: Q2 2026 in Review

Woodline Partners increased its Idexx Laboratories (IDXX) stake by 1,073% in Q2 2026, buying an estimated $8.76M and bringing the position to 17,066 shares worth $8.98M. The position accounts for 0.03% of the portfolio, ranked #559.

Woodline Partners first reported a position in IDXX in Q3 2020 and has held it in 9 quarters since. The position peaked at $25M in Q3 2020. 1,302 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

  • Woodline Partners held 17,066 shares of Idexx Laboratories worth $8.98M as of Q2 2026.
  • Woodline Partners bought 15,611 Idexx Laboratories shares in Q2 2026, an estimated $8.76M.
  • Idexx Laboratories made up 0.03% of Woodline Partners's portfolio in Q2 2026, its #559 holding.
  • Woodline Partners first reported a position in Idexx Laboratories in Q3 2020 and has held it in 9 quarters since.
  • Woodline Partners's Idexx Laboratories position peaked at $25M in Q3 2020.
  • 1,302 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on Woodline Partners's 13F filing for Q2 2026, filed 14 Aug 2026.