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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 2024

Institutional positions in IDEXX Laboratories Inc as of Sep 30, 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
1,117
+18 vs. Q2 2024
Shares held
73.4M
+8.20M (+12.6%) vs. Q2 2024
Total value
$36.7B
+$4.99B (+15.7%) vs. Q2 2024
New holders
105
363 more added
Sold out
87
430 more reduced

11 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 2024: 1,117 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 2024: $36.7B
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 2024

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q2 2024.

Institutions holding IDXX in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc9,703,253$4.90B0.09%+7,400+0.1%Added
BlackRock, Inc.9,415,214$4.76B0.10%+9,415,214New
State Street Corp3,613,360$1.83B0.07%−12,910−0.4%Reduced
Alliancebernstein L.P.2,817,709$1.42B0.48%−326,838−10.4%Reduced
Fundsmith LLPSuperinvestorFundsmith2,664,162$1.35B5.32%+9700.0%Added
Geode Capital Management, LLC2,259,537$1.14B0.09%+40,349+1.8%Added
Bamco Inc1,923,258$971.7M2.58%−112,079−5.5%Reduced
Price T Rowe Associates Inc1,536,852$776.4M0.09%+265,970+20.9%Added
Franklin Resources Inc1,412,700$675.3M0.19%+34,305+2.5%Added
Morgan Stanley1,181,709$597.0M0.04%+40,749+3.6%Added
Blair William & Co1,165,569$588.9M1.73%−7,489−0.6%Reduced
Brown Advisory Inc1,091,898$551.6M0.69%−63,793−5.5%Reduced
Invesco Ltd.1,086,664$549.0M0.11%−236,632−17.9%Reduced
Norges Bank999,284$504.9M0.07%+4,866+0.5%Added
Fundsmith Investment Services Ltd.865,008$437.0M5.44%+1,846+0.2%Added
Northern Trust Corp769,505$388.8M0.06%−45,915−5.6%Reduced
Goldman Sachs Group Inc768,621$388.3M0.07%−46,737−5.7%Reduced
UBS Asset Management Americas Inc751,900$379.9M0.10%+2,463+0.3%Added
Principal Financial Group Inc730,470$369.0M0.20%−23,646−3.1%Reduced
Amundi701,832$333.7M0.12%+127,333+22.2%Added
Legal & General Group Plc639,842$323.3M0.09%+8,398+1.3%Added
American Century Companies Inc618,429$312.4M0.18%+55,665+9.9%Added
JPMorgan Chase & Co612,672$309.5M0.02%−155,783−20.3%Reduced
Bank of America Corp611,170$308.8M0.03%−39,273−6.0%Reduced
Dimensional Fund Advisors LP602,718$304.5M0.07%+89,930+17.5%Added
Bank of New York Mellon Corp597,663$302.0M0.06%−22,146−3.6%Reduced
Charles Schwab Investment Management Inc515,479$260.4M0.05%−4,770−0.9%Reduced
Capital Counsel LLC471,179$238.0M10.24%+1,080+0.2%Added
Barclays PLC452,356$228.5M0.10%+206,677+84.1%Added
Macquarie Group Ltd444,197$224.4M0.24%+37,618+9.3%Added
Royal Bank of Canada438,776$221.7M0.05%−33,112−7.0%Reduced
Capital Research Global Investors426,560$215.5M0.04%+349+0.1%Added
Neuberger Berman Group LLC417,474$210.9M0.16%−46,473−10.0%Reduced
Nuveen Asset Management, LLC412,015$208.2M0.06%−9,637−2.3%Reduced
Massachusetts Financial Services Co406,086$205.2M0.06%+15,521+4.0%Added
Pictet Asset Management Holding SA358,520$181.2M0.20%+69,102+23.9%Added
HSBC Holdings PLC344,258$173.9M0.11%+72,509+26.7%Added
Clearbridge Investments, LLC343,104$173.3M0.14%−9,710−2.8%Reduced
Williams Jones Wealth Management, LLC.341,453$172.5M2.02%−5,848−1.7%Reduced
CI Private Wealth, LLC306,354$154.8M0.24%+157,692+106.1%Added
Deutsche Bank AG303,119$153.1M0.06%+37,231+14.0%Added
TD Asset Management Inc294,712$150.8M0.13%−15,421−5.0%Reduced
FMR LLC290,861$146.9M0.01%+10,017+3.6%Added
Qube Research & Technologies Ltd286,222$144.6M0.26%+46,075+19.2%Added
Standard Life Aberdeen plc258,697$130.7M0.24%−2,112−0.8%Reduced
American Capital Management Inc248,853$125.7M4.11%−42,414−14.6%Reduced
Swiss National Bank245,100$123.8M0.08%−900−0.4%Reduced
Bank Julius Baer & Co. Ltd, Zurich208,276$119.1M0.40%+4,348+2.1%Added
Robeco Institutional Asset Management B.V.232,760$117.6M0.23%−3,395−1.4%Reduced
UBS Group AG229,177$115.8M0.03%+7,412+3.3%Added
Vontobel Holding Ltd.220,159$111.2M0.36%+213,731+3,325.0%Added
Ameriprise Financial Inc212,178$107.0M0.03%−18,545−8.0%Reduced
Baird Financial Group, Inc.210,343$106.3M0.21%−22,984−9.9%Reduced
Sumitomo Mitsui Trust Holdings, Inc.197,534$99.8M0.07%+3,233+1.7%Added
First Trust Advisors LP196,450$99.3M0.09%+27,012+15.9%Added
Railway Pension Investments Ltd193,030$97.5M1.17%−21,300−9.9%Reduced
Envestnet Asset Management Inc192,716$97.4M0.03%−23,504−10.9%Reduced
Eventide Asset Management, LLC188,412$95.2M1.64%+880.0%Added
National Pension Service185,972$94.0M0.09%+12,647+7.3%Added
Rhumbline Advisers182,901$92.4M0.08%−969−0.5%Reduced
CIBC Private Wealth Group, LLC177,926$89.9M0.16%−54,534−23.5%Reduced
Epoch Investment Partners, Inc.170,789$86.3M0.39%−14,272−7.7%Reduced
Welch & Forbes LLC169,237$85.5M1.09%−484−0.3%Reduced
Allianz Asset Management GmbH168,320$85.0M0.13%−56,460−25.1%Reduced
Millennium Management LLC155,767$78.7M0.07%+26,008+20.0%Added
Healthcare of Ontario Pension Plan Trust Fund155,646$78.6M0.19%+58,064+59.5%Added
California Public Employees Retirement System151,906$76.7M0.05%+2,582+1.7%Added
Jupiter Asset Management Ltd148,765$75.2M0.66%−17,380−10.5%Reduced
TimesSquare Capital Management, LLC146,659$74.1M1.11%−1,910−1.3%Reduced
Credit Agricole S A144,255$72.9M0.38%+38,224+36.0%Added
Victory Capital Management Inc142,628$72.1M0.07%+4,696+3.4%Added
Frontier Capital Management Co LLC140,595$71.0M0.67%−3,692−2.6%Reduced
LGT Capital Partners Ltd.138,475$70.0M2.43%−17,090−11.0%Reduced
BNP Paribas Arbitrage, SA137,383$69.4M0.07%+1,616+1.2%Added
Kayne Anderson Rudnick Investment Management LLC136,597$69.0M0.15%−4,009−2.9%Reduced
California State Teachers Retirement System133,709$67.6M0.08%−138−0.1%Reduced
Arrowstreet Capital, Limited Partnership133,575$67.5M0.06%+6,577+5.2%Added
Citigroup Inc133,279$67.3M0.06%−7,998−5.7%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.132,955$67.2M0.07%+13,046+10.9%Added
D. E. Shaw & Co., Inc.126,215$63.8M0.08%+100,309+387.2%Added
EULAV Asset Management126,212$63.8M1.55%00.0%Unchanged
Fiera Capital Corp125,735$63.5M0.19%−38,574−23.5%Reduced
Wells Fargo & Company121,714$61.5M0.01%−25,433−17.3%Reduced
Loring Wolcott & Coolidge Fiduciary Advisors LLP134,834$61.0M0.54%−4,373−3.1%Reduced
Assenagon Asset Management S.A.119,001$60.1M0.12%+35,750+42.9%Added
Bank of Montreal115,765$59.2M0.03%−13,041−10.1%Reduced
Canada Pension Plan Investment Board116,017$58.6M0.06%−14,333−11.0%Reduced
Two Sigma Investments, LP111,700$56.4M0.13%+59,908+115.7%Added
Rathbone Brothers plc111,181$56.2M0.28%+13,946+14.3%Added
Worldquant Millennium Advisors LLC110,196$55.7M0.41%+76,809+230.1%Added
Thrivent Financial for Lutherans108,258$54.7M0.10%+65,050+150.6%Added
Riverbridge Partners LLC107,809$54.5M0.73%−1,715−1.6%Reduced
Stephens Investment Management Group LLC104,900$53.0M0.72%−8,616−7.6%Reduced
Davis R M Inc103,378$52.2M1.01%+793+0.8%Added
Royal London Asset Management Ltd103,072$52.1M0.13%+2,189+2.2%Added
Eagle Asset Management Inc119,965$52.0M0.27%−153,314−56.1%Reduced
ProShare Advisors LLC102,540$51.8M0.13%+3,390+3.4%Added
KBC Group NV100,948$51.0M0.15%+29,388+41.1%Added
Aviva PLC99,899$50.5M0.13%+2,579+2.7%Added
Point72 Asset Management, L.P.96,462$48.7M0.17%+96,462New