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ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in IDXX — Idexx Laboratories Inc /De

CIK 1164508 BOSTON, MA

Position in IDXX

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$471,335,245
+$98,994,782 QoQ
Shares Held
838,839
+52.4% QoQ
Ownership
1.06%
of shares outstanding
% of Portfolio
0.26%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 79.29447724771977.ToString("F0")% Shared 0.ToString("F0")% None 20.705522752280235.ToString("F0")%

Common Shares in IDXX Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Mar 31, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $2,675,072,774 across 18 Diagnostics & Research names. IDXX ranks #2 (17.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 IDXX
Idexx Laboratories Inc /De
This page
838,839 $471,335,245

All Filings in IDXX

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $471,335,245 838,839
2025-12-31 $372,340,463 550,368
2025-09-30 $118,254,705 185,094
2025-06-30 $110,559,518 206,137
2025-03-31 $80,172,654 190,910
2024-12-31 $58,787,860 142,192
2024-09-30 $67,484,761 133,575
2024-06-30 $61,873,425 126,998
2024-03-31 $93,179,499 172,577
2023-12-31 $97,229,773 175,173
2023-09-30 $76,304,489 174,502
2023-06-30 $117,967,800 234,888
2023-03-31 $126,034,162 252,028
2022-12-31 $109,613,956 268,688
2022-09-30 $85,721,889 263,112
2022-06-30 $137,764,990 392,795
2022-03-31 $229,264,640 419,085
2021-12-31 $335,478,126 509,489
2021-09-30 $294,814,182 474,054
2021-06-30 $175,366,909 277,677
2021-03-31 $57,129,389 116,755
2020-12-31 $1,899,506 3,800
2020-09-30 $432,421 1,100
2020-06-30 $16,317,167 49,422
2020-03-31 $29,670,766 122,485