Alyeska Investment Group
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Alyeska Investment Group’s Idexx Laboratories IDXX Stock Holding History

Alyeska Investment Group’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 		$211M Buy
401,082
+197,808
+97% +$111M 0.54% 35
2026
Q1 		$114M Buy
+203,274
New +$130M 0.32% 78
2025
Q1 		– Sell
-378,318
Closed -$156M – 580
2024
Q4 		$156M Buy
+378,318
New +$166M 0.59% 32
2023
Q2 		– Sell
-40,000
Closed -$20M – 591
2023
Q1 		$20M Buy
+40,000
New +$19.1M 0.18% 162
2018
Q3 		– Sell
-4,707
Closed -$1.03M – 454
2018
Q2 		$1.03M Buy
+4,707
New +$970K 0.01% 396

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

Alyeska Investment Group's IDXX Position: Q2 2026 in Review

Alyeska Investment Group increased its Idexx Laboratories (IDXX) stake by 97% in Q2 2026, buying an estimated $111M and bringing the position to 401,082 shares worth $211M. The position accounts for 0.54% of the portfolio, ranked #35.

Alyeska Investment Group first reported a position in IDXX in Q2 2018 and has held it in 5 quarters since. 1,300 funds tracked by Wall St. Rank hold IDXX as of Q2 2026.

  • Alyeska Investment Group held 401,082 shares of Idexx Laboratories worth $211M as of Q2 2026.
  • Alyeska Investment Group bought 197,808 Idexx Laboratories shares in Q2 2026, an estimated $111M.
  • Idexx Laboratories made up 0.54% of Alyeska Investment Group's portfolio in Q2 2026, its #35 holding.
  • Alyeska Investment Group first reported a position in Idexx Laboratories in Q2 2018 and has held it in 5 quarters since.
  • 1,300 funds tracked by Wall St. Rank held Idexx Laboratories as of Q2 2026.

Based on Alyeska Investment Group's 13F filing for Q2 2026, filed 14 Aug 2026.