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
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 $5.72T AUM 30.48% 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 $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
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
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

PEAK6's IDXX Position: Q1 2026 in Review

PEAK6 increased its Idexx Laboratories (IDXX) stake by 31% in Q1 2026, buying an estimated $550K and bringing the position to 3,640 shares worth $2.05M. The position accounts for ﹤0.01% of the portfolio, ranked #1352.

PEAK6 first reported a position in IDXX in Q4 2024 and has held it in 6 quarters since. 1,311 funds tracked by Wall St. Rank hold IDXX as of Q1 2026.

  • PEAK6 held 3,640 shares of Idexx Laboratories worth $2.05M as of Q1 2026.
  • PEAK6 bought 858 Idexx Laboratories shares in Q1 2026, an estimated $550K.
  • Idexx Laboratories made up ﹤0.01% of PEAK6's portfolio in Q1 2026, its #1352 holding.
  • PEAK6 first reported a position in Idexx Laboratories in Q4 2024 and has held it in 6 quarters since.
  • 1,311 funds tracked by Wall St. Rank held Idexx Laboratories as of Q1 2026.

Based on PEAK6's 13F filing for Q1 2026, filed 14 May 2026.