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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, Q3 2023

Institutional positions in IDEXX Laboratories Inc as of Sep 30, 2023. 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
1,061
+4 vs. Q2 2023
Shares held
74.0M
+1.41M (+1.9%) vs. Q2 2023
Total value
$32.4B
−$4.06B (−11.1%) vs. Q2 2023
New holders
89
384 more added
Sold out
85
386 more reduced

12 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 1,061 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 heldQ3 2023: $32.4B
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, Q3 2023

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q2 2023.

Institutions holding IDXX in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Clearbridge Investments, LLC42,437$18.6M0.02%+388+0.9%Added
Mackenzie Financial Corp43,678$18.6M0.03%+326+0.8%Added
Advisor Group Holdings, Inc.43,130$18.9M0.03%+9,125+26.8%Added
Aristotle Atlantic Partners, LLC43,134$18.9M0.76%−180−0.4%Reduced
Toronto Dominion Bank43,699$19.1M0.03%−1,244−2.8%Reduced
Biondo Investment Advisors, LLC43,868$19.2M3.61%−168−0.4%Reduced
Franklin Street Advisors Inc44,354$19.4M1.72%−3,974−8.2%Reduced
Citadel Advisors LLC45,267$19.8M0.02%−57,667−56.0%Reduced
Chevy Chase Trust Holdings, Inc.46,679$20.4M0.08%−1,090−2.3%Reduced
State of New Jersey Common Pension Fund D47,258$20.7M0.07%−1,089−2.3%Reduced
Bridgecreek Investment Management, LLC47,540$20.8M4.25%−1,775−3.6%Reduced
Parnassus Investments48,983$21.4M0.05%00.0%Unchanged
Truist Financial Corp49,327$21.6M0.04%+1,310+2.7%Added
Russell Investments Group, Ltd.49,833$21.8M0.04%+30,171+153.4%Added
Ensign Peak Advisors, Inc49,992$21.9M0.05%−7,441−13.0%Reduced
Natixis Advisors, L.P.51,023$22.3M0.07%−5,163−9.2%Reduced
Howland Capital Management LLC51,188$22.4M1.31%−3,252−6.0%Reduced
Asset Management One Co.,Ltd.52,304$22.9M0.10%−4,431−7.8%Reduced
Rockefeller Capital Management L.P.52,627$23.0M0.09%+1,279+2.5%Added
Harvey Investment Co LLC53,458$23.4M3.06%+2,235+4.4%Added
Canada Pension Plan Investment Board56,678$24.8M0.04%−31,200−35.5%Reduced
Geneva Capital Management LLC57,831$25.3M0.53%−2,034−3.4%Reduced
Man Group plc–$25.8M0.08%––
DF Dent & Co Inc59,270$25.9M0.38%−13,042−18.0%Reduced
Mitsubishi UFJ Trust & Banking Corp61,388$26.8M0.07%−1,352−2.2%Reduced
Jupiter Asset Management Ltd63,994$28.0M0.31%−25,142−28.2%Reduced
Korea Investment CORP65,875$28.8M0.08%−3,643−5.2%Reduced
Aviva PLC66,526$29.1M0.12%+18,657+39.0%Added
Great West Life Assurance Co66,552$29.1M0.07%+97+0.1%Added
William Blair Investment Management, LLC67,135$29.4M0.10%−7,906−10.5%Reduced
Villere St Denis J & Co LLC67,730$29.6M2.53%−6,653−8.9%Reduced
Mogy Joel R Investment Counsel Inc69,761$30.5M2.57%+528+0.8%Added
State of Wisconsin Investment Board71,156$31.1M0.10%+13,715+23.9%Added
Virginia Retirement Systems Et Al74,608$32.6M0.32%+800+1.1%Added
Epoch Investment Partners, Inc.75,387$33.0M0.21%−1,728−2.2%Reduced
Prudential Financial Inc76,281$33.4M0.05%−20,445−21.1%Reduced
Sofinnova Investments, Inc.77,881$34.1M2.37%+7,207+10.2%Added
Saturna Capital CORP83,000$36.3M0.64%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.84,052$36.8M0.07%+7,607+10.0%Added
Royal London Asset Management Ltd84,210$36.8M0.12%+8,195+10.8%Added
BNP Paribas Arbitrage, SA84,429$36.9M0.08%+550+0.7%Added
New York State Common Retirement Fund84,963$37.2M0.05%−11,747−12.1%Reduced
APG Asset Management N.V.85,364$37.3M0.08%−26,742−23.9%Reduced
State Board of Administration of Florida Retirement System86,263$37.7M0.09%−5,978−6.5%Reduced
Manufacturers Life Insurance Company, The86,997$38.0M0.02%−3,315−3.7%Reduced
Schroder Investment Management Group88,037$38.5M0.06%−1,576−1.8%Reduced
Pictet & Cie (Europe) SA89,152$39.0M1.36%00.0%Unchanged
New York State Teachers Retirement System89,489$39.1M0.09%−2,883−3.1%Reduced
Fiera Capital Corp90,916$39.8M0.13%+5,844+6.9%Added
Citigroup Inc91,386$40.0M0.06%+4,582+5.3%Added
Chicago Capital, LLC91,687$40.1M1.88%−220−0.2%Reduced
Mirae Asset Global Investments Co., Ltd.92,971$40.7M0.09%+13,062+16.3%Added
TD Asset Management Inc93,257$40.8M0.05%−1,769−1.9%Reduced
Davis R M Inc97,058$42.4M1.06%+460+0.5%Added
Beacon Investment Advisory Services, Inc.97,648$42.7M2.10%−289−0.3%Reduced
Raymond James & Associates97,994$42.8M0.04%+24,147+32.7%Added
Two Sigma Investments, LP98,920$43.3M0.12%+98,920New
Wells Fargo & Company100,542$44.0M0.01%−13,632−11.9%Reduced
Pinebridge Investments, L.P.104,718$45.8M0.51%+20,547+24.4%Added
EULAV Asset Management106,112$46.4M1.70%−4,400−4.0%Reduced
Handelsbanken Fonder AB108,342$47.4M0.27%+1,934+1.8%Added
Adage Capital Partners GP, L.L.C.108,756$47.6M0.11%+26,055+31.5%Added
Stephens Investment Management Group LLC109,748$48.0M0.79%+1,312+1.2%Added
Nomura Asset Management Co Ltd111,078$48.6M0.23%+4,723+4.4%Added
ProShare Advisors LLC111,179$48.6M0.15%+8,225+8.0%Added
Bellevue Group AG114,441$50.0M0.81%00.0%Unchanged
Qube Research & Technologies Ltd115,469$50.5M0.15%+73,514+175.2%Added
Bridgewater Associates, LP116,831$51.1M0.31%+9,096+8.4%Added
AXA S.A.119,015$52.0M0.18%−2,643−2.2%Reduced
Riverbridge Partners LLC119,611$52.3M0.71%−2,112−1.7%Reduced
Renaissance Technologies LLC124,804$54.6M0.09%+124,804New
California State Teachers Retirement System129,138$56.5M0.09%−4,901−3.7%Reduced
Axiom Investors LLC129,933$56.8M0.82%−129,418−49.9%Reduced
CI Private Wealth, LLC132,470$57.9M0.13%+4,224+3.3%Added
KBC Group NV133,988$58.6M0.24%+31,942+31.3%Added
Federated Hermes, Inc.141,012$61.7M0.16%+3,338+2.4%Added
HSBC Holdings PLC143,644$62.8M0.07%−7,961−5.3%Reduced
Loring Wolcott & Coolidge Fiduciary Advisors LLP150,364$63.1M0.71%−4,253−2.8%Reduced
Westfield Capital Management Co LP145,612$63.7M0.43%+15,533+11.9%Added
Bank of Montreal125,400$64.3M0.04%+41,949+50.3%Added
Kayne Anderson Rudnick Investment Management LLC149,486$65.4M0.19%−7,284−4.6%Reduced
Victory Capital Management Inc153,612$67.2M0.08%+4,716+3.2%Added
First Republic Investment Management, Inc.155,814$68.1M0.19%−26,851−14.7%Reduced
Squarepoint Ops LLC156,502$68.4M0.33%+58,559+59.8%Added
Frontier Capital Management Co LLC159,014$69.5M0.76%−1,298−0.8%Reduced
California Public Employees Retirement System159,689$69.8M0.06%+2,222+1.4%Added
National Pension Service161,935$70.0M0.11%+4,152+2.6%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.163,589$71.5M0.22%+24,901+18.0%Added
Bank Julius Baer & Co. Ltd, Zurich167,857$73.4M0.43%+11,575+7.4%Added
Standard Life Aberdeen plc167,964$73.4M0.19%+69,343+70.3%Added
Welch & Forbes LLC172,429$75.4M1.25%−877−0.5%Reduced
Arrowstreet Capital, Limited Partnership174,502$76.3M0.09%−60,386−25.7%Reduced
CIBC Private Wealth Group, LLC176,394$77.1M0.18%−7,525−4.1%Reduced
SEI Investments Co181,756$79.5M0.14%+24,194+15.4%Added
Rhumbline Advisers182,016$79.6M0.09%+1,870+1.0%Added
First Trust Advisors LP182,034$79.6M0.09%−24,165−11.7%Reduced
UBS Group AG184,029$80.5M0.04%+43,742+31.2%Added
Putnam Investments LLC184,354$80.6M0.12%−2,535−1.4%Reduced
TimesSquare Capital Management, LLC190,174$83.2M1.29%+40,592+27.1%Added
Voya Investment Management LLC192,934$84.3M0.09%−147,201−43.3%Reduced