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Lountzis Asset Management’s Idexx Laboratories IDXX Stock Holding History

Lountzis Asset Management’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
2025
Q4 		– Sell
-32,708
Closed -$20.9M – 53
2025
Q3 		$20.9M Hold
32,708
– – 6.82% 4
2025
Q2 		$17.5M Buy
32,708
+12
+0% +$5.74K 6.18% 6
2025
Q1 		$14.2M Buy
+32,696
New +$14.2M 5.36% 5

Other funds holding IDXX

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
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
Fundsmith LLP
Fundsmith LLP London, United Kingdom $13.6B AUM 7.6% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
William Blair & Company
William Blair & Company Chicago, Illinois $38.4B AUM 25.71% 1-Year Est. Return

Lountzis Asset Management's IDXX Position: Q4 2025 in Review

Lountzis Asset Management sold out of Idexx Laboratories (IDXX) in Q4 2025, closing a stake of 32,708 shares — an estimated $20.9M sold.

Lountzis Asset Management first reported a position in IDXX in Q1 2025 and held it in 3 quarters. The position peaked at $20.9M in Q3 2025. 1,386 funds tracked by Wall St. Rank hold IDXX as of Q4 2025.

  • Lountzis Asset Management reported no remaining Idexx Laboratories position as of Q4 2025 after selling out during the quarter.
  • Lountzis Asset Management sold 32,708 Idexx Laboratories shares in Q4 2025, an estimated $20.9M.
  • Lountzis Asset Management first reported a position in Idexx Laboratories in Q1 2025 and held it in 3 quarters.
  • Lountzis Asset Management's Idexx Laboratories position peaked at $20.9M in Q3 2025.
  • 1,386 funds tracked by Wall St. Rank held Idexx Laboratories as of Q4 2025.

Based on Lountzis Asset Management's 13F filing for Q4 2025, filed 6 Feb 2026.