PEAK6
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PEAK6’s Idexx Laboratories IDXX Stock Holding History

PEAK6’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 		$474K Sell
900
-9,200
-91% -$5.16M ﹤0.01% 2000
2026
Q1 		$5.68M Buy
10,100
+9,200
+1,022% +$5.9M 0.01% 838
2025
Q4 		$609K Sell
900
-22,300
-96% -$15.2M ﹤0.01% 2009
2025
Q3 		$14.8M Buy
23,200
+8,000
+53% +$4.86M 0.02% 529
2025
Q2 		$8.15M Buy
+15,200
New +$7.27M 0.02% 721
2025
Q1 		– Sell
-4,200
Closed -$1.74M – 3269
2024
Q4 		$1.74M Buy
+4,200
New +$1.84M ﹤0.01% 1498

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 $3.38T AUM 44.17% 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

PEAK6's IDXX Position: Q2 2026 in Review

PEAK6 reduced its Idexx Laboratories (IDXX) stake by 99% in Q2 2026, selling an estimated $2.03M and leaving 28 shares worth $14.7K. The position accounts for ﹤0.01% of the portfolio, ranked #2540.

PEAK6 first reported a position in IDXX in Q4 2024 and has held it in 7 quarters since. The position peaked at $2.05M in Q1 2026. 1,306 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

  • PEAK6 held 28 shares of Idexx Laboratories worth $14.7K as of Q2 2026.
  • PEAK6 sold 3,612 Idexx Laboratories shares in Q2 2026, an estimated $2.03M.
  • Idexx Laboratories made up ﹤0.01% of PEAK6's portfolio in Q2 2026, its #2540 holding.
  • PEAK6 first reported a position in Idexx Laboratories in Q4 2024 and has held it in 7 quarters since.
  • PEAK6's Idexx Laboratories position peaked at $2.05M in Q1 2026.
  • 1,306 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.