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John Overdeck’s Idexx Laboratories IDXX Stock Holding History

John Overdeck’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
2022
Q1 		– Sell
-2,100
Closed -$1.38M – 3420
2021
Q4 		$1.38M Sell
2,100
-1,900
-48% -$1.19M ﹤0.01% 2269
2021
Q3 		$2.49M Buy
4,000
+3,000
+300% +$2.02M 0.01% 1782
2021
Q2 		$632K Buy
1,000
+100
+11% +$55.2K ﹤0.01% 2896
2021
Q1 		$440K Sell
900
-400
-31% -$200K ﹤0.01% 3049
2020
Q4 		$650K Sell
1,300
-3,600
-73% -$1.61M ﹤0.01% 2316
2020
Q3 		$1.93M Buy
4,900
+3,900
+390% +$1.44M 0.01% 1316
2020
Q2 		$330K Sell
1,000
-2,400
-71% -$695K ﹤0.01% 2309
2020
Q1 		$824K Buy
3,400
+600
+21% +$157K 0.01% 1563
2019
Q4 		$731K Sell
2,800
-3,900
-58% -$1.03M ﹤0.01% 2486
2019
Q3 		$1.82M Buy
+6,700
New +$1.86M 0.01% 1513
2019
Q1 		– Sell
-7,000
Closed -$1.3M – 3232
2018
Q4 		$1.3M Buy
+7,000
New +$1.44M 0.01% 1480

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

John Overdeck's IDXX Position: Q2 2026 in Review

John Overdeck increased its Idexx Laboratories (IDXX) stake by 8.4% in Q2 2026, buying an estimated $44.3K and bringing the position to 1,020 shares worth $537K. The position accounts for ﹤0.01% of the portfolio, ranked #4107.

John Overdeck first reported a position in IDXX in Q2 2013 and has held it in 38 quarters since. The position peaked at $103M in Q1 2017. 1,293 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

  • John Overdeck held 1,020 shares of Idexx Laboratories worth $537K as of Q2 2026.
  • John Overdeck bought 79 Idexx Laboratories shares in Q2 2026, an estimated $44.3K.
  • Idexx Laboratories made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #4107 holding.
  • John Overdeck first reported a position in Idexx Laboratories in Q2 2013 and has held it in 38 quarters since.
  • John Overdeck's Idexx Laboratories position peaked at $103M in Q1 2017.
  • 1,293 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.