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IDEXX Laboratories Inc

IDXX
Exchange
Nasdaq
Industry
In Vitro & In Vivo Diagnostic Substances
SEC CIK
0000874716

In the last 90 days, IDEXX Laboratories Inc insiders filed 0 open-market purchases and 1 sale; 1,306 institutions reported holding it in 13F filings for Q2 2026, worth $39.1B in total; 3 superinvestors hold it, including Fundsmith and Weitz Investment Management.

13F holders, Q1 2024

Institutional positions in IDEXX Laboratories Inc as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,147
+8 vs. Q4 2023
Shares held
72.6M
−123.0K (−0.2%) vs. Q4 2023
Total value
$39.1B
−$1.21B (−3.0%) vs. Q4 2023
New holders
96
407 more added
Sold out
88
411 more reduced

16 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IDXX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2024: 1,147 institutions
Q1 2021: 1,015 institutionsQ2 2021: 1,037 institutionsQ3 2021: 1,063 institutionsQ4 2021: 1,110 institutionsQ1 2022: 1,036 institutionsQ2 2022: 959 institutionsQ3 2022: 925 institutionsQ4 2022: 1,001 institutionsQ1 2023: 1,058 institutionsQ2 2023: 1,069 institutionsQ3 2023: 1,061 institutionsQ4 2023: 1,155 institutionsQ1 2024: 1,147 institutionsQ2 2024: 1,110 institutionsQ3 2024: 1,117 institutionsQ4 2024: 1,124 institutionsQ1 2025: 1,143 institutionsQ2 2025: 1,234 institutionsQ3 2025: 1,302 institutionsQ4 2025: 1,385 institutionsQ1 2026: 1,318 institutionsQ2 2026: 1,306 institutions
Value heldQ1 2024: $39.1B
Q1 2021: $35.6BQ2 2021: $46.1BQ3 2021: $44.6BQ4 2021: $47.1BQ1 2022: $39.7BQ2 2022: $25.9BQ3 2022: $24.0BQ4 2022: $30.0BQ1 2023: $36.4BQ2 2023: $36.7BQ3 2023: $32.4BQ4 2023: $40.5BQ1 2024: $39.1BQ2 2024: $36.4BQ3 2024: $36.7BQ4 2024: $29.8BQ1 2025: $31.1BQ2 2025: $40.0BQ3 2025: $46.1BQ4 2025: $50.3BQ1 2026: $41.2BQ2 2026: $39.1B
Institutions holding IDXX and their total value by quarter
QuarterHoldersValue
Q2 20261,306$39.1B
Q1 20261,318$41.2B
Q4 20251,385$50.3B
Q3 20251,302$46.1B
Q2 20251,234$40.0B
Q1 20251,143$31.1B
Q4 20241,124$29.8B
Q3 20241,117$36.7B
Q2 20241,110$36.4B
Q1 20241,147$39.1B
Q4 20231,155$40.5B
Q3 20231,061$32.4B
Q2 20231,069$36.7B
Q1 20231,058$36.4B
Q4 20221,001$30.0B
Q3 2022925$24.0B
Q2 2022959$25.9B
Q1 20221,036$39.7B
Q4 20211,110$47.1B
Q3 20211,063$44.6B
Q2 20211,037$46.1B
Q1 20211,015$35.6B

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q4 2023.

Institutions holding IDXX in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
DekaBank Deutsche Girozentrale52,257$28.0M0.05%+10,212+24.3%Added
Harvey Investment Co LLC53,408$28.8M3.25%00.0%Unchanged
Teacher Retirement System of Texas54,618$29.5M0.19%+27,418+100.8%Added
Geneva Capital Management LLC54,747$29.6M0.52%−1,095−2.0%Reduced
Wellington Management Group LLP54,867$29.6M0.01%−1,046−1.9%Reduced
Natixis Advisors, L.P.55,051$29.7M0.07%−5,368−8.9%Reduced
Mitsubishi UFJ Trust & Banking Corp56,190$30.3M0.07%−150.0%Reduced
Umb Bank N A56,191$30.3M0.48%−223,228−79.9%Reduced
DF Dent & Co Inc56,281$30.4M0.37%−1,322−2.3%Reduced
Adage Capital Partners GP, L.L.C.56,767$30.7M0.06%−13,934−19.7%Reduced
AQR Capital Management LLC57,369$31.0M0.05%+42,924+297.2%Added
Villere St Denis J & Co LLC58,094$31.4M2.50%−9,275−13.8%Reduced
Prudential PLC58,986$31.8M0.26%+48,925+486.3%Added
Axiom Investors LLC59,677$32.2M0.29%+798+1.4%Added
State of Wisconsin Investment Board65,775$35.5M0.09%+744+1.1%Added
Great West Life Assurance Co66,071$35.7M0.07%−1,909−2.8%Reduced
Kames Capital plc66,949$36.1M0.54%−236−0.4%Reduced
KBC Group NV66,954$36.2M0.11%−16,898−20.2%Reduced
William Blair Investment Management, LLC69,028$37.3M0.10%+699+1.0%Added
Voya Investment Management LLC69,519$37.5M0.04%+1,548+2.3%Added
New York State Common Retirement Fund70,118$37.9M0.05%−5,610−7.4%Reduced
Mogy Joel R Investment Counsel Inc74,067$40.0M2.72%+3,607+5.1%Added
Raymond James & Associates74,334$40.1M0.03%+1,399+1.9%Added
Sofinnova Investments, Inc.75,224$40.6M2.40%+75,224New
Worldquant Millennium Advisors LLC75,970$41.0M0.51%+75,970New
Mirae Asset Global Investments Co., Ltd.84,271$42.4M0.09%−2,609−3.0%Reduced
Aviva PLC79,100$42.7M0.14%−2,280−2.8%Reduced
Rathbone Brothers plc80,260$43.3M0.25%+2,002+2.6%Added
Korea Investment CORP81,824$44.2M0.11%+4,409+5.7%Added
Saturna Capital CORP83,072$44.9M0.62%+72+0.1%Added
New York State Teachers Retirement System84,406$45.6M0.10%−1,319−1.5%Reduced
Manufacturers Life Insurance Company, The85,640$46.2M0.04%−4,793−5.3%Reduced
Squarepoint Ops LLC86,027$46.4M0.19%+50,229+140.3%Added
State Board of Administration of Florida Retirement System95,051$47.5M0.11%+2,158+2.3%Added
Pictet & Cie (Europe) SA89,000$48.1M1.25%00.0%Unchanged
Wells Fargo & Company91,914$49.6M0.01%−2,935−3.1%Reduced
Prudential Financial Inc92,776$50.1M0.07%+28,757+44.9%Added
Bellevue Group AG93,358$50.4M0.77%−752−0.8%Reduced
Handelsbanken Fonder AB93,358$50.4M0.22%−22,420−19.4%Reduced
Beacon Investment Advisory Services, Inc.93,563$50.5M2.18%−867−0.9%Reduced
Chicago Capital, LLC93,820$50.7M1.54%−143−0.2%Reduced
Champlain Investment Partners, LLC94,221$50.9M0.29%−106,725−53.1%Reduced
Martin Currie Ltd95,525$51.6M1.59%+1,322+1.4%Added
Schroder Investment Management Group98,491$53.2M0.06%+9,336+10.5%Added
Citigroup Inc98,572$53.2M0.06%+1,090+1.1%Added
Davis R M Inc98,836$53.4M1.12%+2,321+2.4%Added
Pinebridge Investments, L.P.99,642$53.8M0.43%+5,919+6.3%Added
Degroof Petercam Asset Management101,722$54.9M0.66%−1,823−1.8%Reduced
Jupiter Asset Management Ltd102,652$55.4M0.53%+102,652New
Twinbeech Capital LP103,533$55.9M1.15%+103,533New
AXA S.A.104,721$56.5M0.17%−53,066−33.6%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.105,035$56.7M0.08%+14,743+16.3%Added
Federated Hermes, Inc.105,961$57.2M0.13%−12,840−10.8%Reduced
Stephens Investment Management Group LLC106,947$57.7M0.77%+589+0.6%Added
ProShare Advisors LLC108,275$58.5M0.16%+14,992+16.1%Added
Riverbridge Partners LLC111,505$60.2M0.73%−4,860−4.2%Reduced
Royal London Asset Management Ltd113,002$61.0M0.15%+28,452+33.7%Added
Assenagon Asset Management S.A.115,330$62.3M0.17%+71,737+164.6%Added
Nomura Asset Management Co Ltd115,524$62.4M0.23%+5,097+4.6%Added
D. E. Shaw & Co., Inc.115,672$62.5M0.08%+67,606+140.7%Added
Select Equity Group, L.P.117,543$63.5M0.23%−293,540−71.4%Reduced
EULAV Asset Management120,015$64.8M1.78%+13,903+13.1%Added
Canada Pension Plan Investment Board124,439$67.2M0.07%+33,563+36.9%Added
Loring Wolcott & Coolidge Fiduciary Advisors LLP140,277$67.3M0.67%−1,523−1.1%Reduced
Point72 Asset Management, L.P.125,550$67.8M0.20%−14,980−10.7%Reduced
California State Teachers Retirement System131,624$71.1M0.09%+823+0.6%Added
Bank of Montreal136,419$73.7M0.04%−16,624−10.9%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.140,765$76.0M0.20%−24,377−14.8%Reduced
BNP Paribas Arbitrage, SA143,953$77.7M0.10%+48,317+50.5%Added
Victory Capital Management Inc146,634$79.2M0.08%−6,367−4.2%Reduced
Kayne Anderson Rudnick Investment Management LLC146,800$79.3M0.18%−3,369−2.2%Reduced
CI Private Wealth, LLC147,984$79.9M0.14%+5,389+3.8%Added
California Public Employees Retirement System148,862$80.4M0.06%−4,537−3.0%Reduced
TimesSquare Capital Management, LLC150,219$81.1M1.18%−8,200−5.2%Reduced
Frontier Capital Management Co LLC151,082$81.6M0.76%−4,618−3.0%Reduced
Man Group plc156,398$84.4M0.23%+120,569+336.5%Added
SEI Investments Co157,353$85.0M0.12%−418−0.3%Reduced
Fiera Capital Corp164,239$88.7M0.26%+37,606+29.7%Added
National Pension Service165,659$89.4M0.11%+450.0%Added
LGT Capital Partners Ltd.169,319$91.4M2.86%−24,450−12.6%Reduced
Welch & Forbes LLC170,226$91.9M1.26%−1,085−0.6%Reduced
Westfield Capital Management Co LP172,021$92.9M0.49%+10,917+6.8%Added
CIBC Private Wealth Group, LLC174,515$92.9M0.18%−583−0.3%Reduced
Arrowstreet Capital, Limited Partnership172,577$93.2M0.09%−2,596−1.5%Reduced
Rhumbline Advisers179,155$96.7M0.09%+1,993+1.1%Added
Rock Springs Capital Management LP179,250$96.8M2.46%00.0%Unchanged
Epoch Investment Partners, Inc.179,936$97.2M0.43%+21,366+13.5%Added
Envestnet Asset Management Inc202,688$109.4M0.04%−9,477−4.5%Reduced
UBS Group AG206,831$111.7M0.04%−2,607−1.2%Reduced
First Trust Advisors LP206,978$111.8M0.11%+48,126+30.3%Added
Sumitomo Mitsui Trust Holdings, Inc.210,028$113.4M0.08%+3,267+1.6%Added
Railway Pension Investments Ltd214,330$115.7M1.13%00.0%Unchanged
Bank Julius Baer & Co. Ltd, Zurich218,836$118.0M0.45%+7,135+3.4%Added
Allianz Asset Management GmbH221,459$119.6M0.20%−27,218−10.9%Reduced
Eventide Asset Management, LLC222,887$120.3M1.89%−1,086−0.5%Reduced
Ameriprise Financial Inc232,532$125.5M0.03%−2,773−1.2%Reduced
Millennium Management LLC237,143$128.0M0.11%−88,482−27.2%Reduced
Baird Financial Group, Inc.245,228$132.4M0.28%−29,414−10.7%Reduced
Swiss National Bank248,700$134.3M0.09%−10,900−4.2%Reduced
Standard Life Aberdeen plc255,475$137.9M0.27%+9,345+3.8%Added