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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, Q4 2021

Institutional positions in IDEXX Laboratories Inc as of Dec 31, 2021. 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
1,110
+65 vs. Q3 2021
Shares held
71.8M
+145.4K (+0.2%) vs. Q3 2021
Total value
$47.1B
+$2.58B (+5.8%) vs. Q3 2021
New holders
152
349 more added
Sold out
87
415 more reduced

18 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 holdersQ4 2021: 1,110 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 heldQ4 2021: $47.1B
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, Q4 2021

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q3 2021.

Institutions holding IDXX in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.8,990,586$5.92B0.15%+296,552+3.4%Added
Vanguard Group Inc7,923,466$5.22B0.12%−3,1000.0%Reduced
Fundsmith LLPSuperinvestorFundsmith4,242,283$2.79B6.82%+810.0%Added
State Street Corp3,743,599$2.47B0.12%+94,327+2.6%Added
Bamco Inc2,527,511$1.66B3.54%−65,554−2.5%Reduced
Geode Capital Management, LLC1,799,521$1.18B0.14%+31,403+1.8%Added
Alliancebernstein L.P.1,596,308$1.05B0.37%+254,033+18.9%Added
Blair William & Co1,290,032$849.4M2.66%−3,871−0.3%Reduced
Franklin Resources Inc1,245,858$820.3M0.30%−47,904−3.7%Reduced
Bank of America Corp1,109,377$730.5M0.08%−175,704−13.7%Reduced
Brown Advisory Inc1,079,627$710.9M0.88%+84,251+8.5%Added
American Century Companies Inc1,077,482$709.5M0.45%−41,316−3.7%Reduced
FMR LLC1,010,858$665.6M0.05%+45,980+4.8%Added
Invesco Ltd.1,009,615$664.8M0.16%−54,544−5.1%Reduced
Capital World Investors994,515$654.9M0.10%+3,673+0.4%Added
Northern Trust Corp981,397$646.2M0.11%−24,305−2.4%Reduced
Bank of New York Mellon Corp926,267$609.9M0.11%−17,725−1.9%Reduced
Principal Financial Group Inc917,023$602.1M0.36%−109,355−10.7%Reduced
Legal & General Group Plc759,996$500.4M0.15%−1,700−0.2%Reduced
Norges Bank751,576$494.9M0.10%−9,168−1.2%Reduced
Neuberger Berman Group LLC743,763$488.3M0.38%−16,390−2.2%Reduced
Price T Rowe Associates Inc698,848$460.2M0.04%−20,055−2.8%Reduced
Nuveen Asset Management, LLC518,600$341.5M0.10%−28,284−5.2%Reduced
Arrowstreet Capital, Limited Partnership509,489$335.5M0.41%+35,435+7.5%Added
Capital Counsel LLC472,656$311.2M13.18%+944+0.2%Added
UBS Asset Management Americas Inc451,892$297.6M0.11%+9,575+2.2%Added
Charles Schwab Investment Management Inc449,991$296.3M0.09%+8,468+1.9%Added
Morgan Stanley438,699$288.9M0.04%+76,726+21.2%Added
Williams Jones Wealth Management, LLC.413,710$272.4M3.40%−3,245−0.8%Reduced
Dimensional Fund Advisors LP393,773$259.3M0.08%−44,148−10.1%Reduced
American Capital Management Inc393,649$259.2M6.66%−355−0.1%Reduced
Amundi461,448$246.5M0.16%+64,757+16.3%Added
Parametric Portfolio Associates LLC359,553$236.8M0.12%+2,571+0.7%Added
Robeco Institutional Asset Management B.V.357,281$235.3M0.50%+86,273+31.8%Added
Credit Suisse AG334,916$220.5M0.18%−5,841−1.7%Reduced
Swiss National Bank323,436$213.0M0.13%−13,800−4.1%Reduced
Capital International Investors321,140$211.5M0.04%+554+0.2%Added
Goldman Sachs Group Inc314,591$207.1M0.05%−26,020−7.6%Reduced
Deutsche Bank AG310,289$204.3M0.09%+2,117+0.7%Added
Acadian Asset Management LLC294,134$193.6M0.72%−89,944−23.4%Reduced
Umb Bank N A287,464$189.3M2.39%+280,575+4,072.8%Added
Allianz Asset Management GmbH283,732$186.8M0.14%−12,359−4.2%Reduced
Eventide Asset Management, LLC281,700$185.5M2.37%00.0%Unchanged
Massachusetts Financial Services Co272,444$179.4M0.05%−9,358−3.3%Reduced
Eagle Asset Management Inc269,302$178.1M0.78%+1,591+0.6%Added
CIBC Private Wealth Group, LLC267,495$176.1M0.37%−700−0.3%Reduced
Royal Bank of Canada265,694$174.9M0.04%−18,862−6.6%Reduced
Putnam Investments LLC257,046$169.3M0.24%−54,613−17.5%Reduced
JPMorgan Chase & Co256,902$169.2M0.02%+7,575+3.0%Added
Pictet Asset Management SA249,550$164.3M0.16%+17,423+7.5%Added
Sumitomo Mitsui Trust Holdings, Inc.243,061$160.0M0.10%−8,454−3.4%Reduced
Echo Street Capital Management LLC239,192$157.5M1.06%+3,977+1.7%Added
Federated Hermes, Inc.222,304$146.4M0.27%−1,122−0.5%Reduced
First Republic Investment Management, Inc.217,686$143.3M0.31%+1060.0%Added
DF Dent & Co Inc215,160$141.7M1.42%−12,178−5.4%Reduced
UBS Group AG189,689$124.9M0.05%−16,104−7.8%Reduced
California Public Employees Retirement System184,653$121.6M0.08%−5,912−3.1%Reduced
Rock Springs Capital Management LP180,000$118.5M2.74%00.0%Unchanged
Baird Financial Group, Inc.176,215$116.0M0.27%−4,560−2.5%Reduced
First Trust Advisors LP175,542$115.6M0.11%−4,623−2.6%Reduced
Welch & Forbes LLC174,492$114.9M1.72%−817−0.5%Reduced
Barclays PLC173,385$114.2M0.07%+12,176+7.6%Added
ProShare Advisors LLC163,745$107.8M0.21%+56,594+52.8%Added
Caisse de Depot Et Placement du Quebec162,074$106.7M0.23%+45,008+38.4%Added
Schroder Investment Management Group160,377$105.6M0.14%+13,473+9.2%Added
Wells Fargo & Company158,652$104.5M0.03%−31,216−16.4%Reduced
Axiom Investors LLC157,387$103.6M1.91%+7,322+4.9%Added
Bank Julius Baer & Co. Ltd, Zurich156,999$103.4M0.55%+20,315+14.9%Added
Rathbone Brothers plc155,655$102.5M1.00%00.0%Unchanged
Rhumbline Advisers155,127$102.1M0.13%−2,544−1.6%Reduced
Loring Wolcott & Coolidge Fiduciary Advisors LLP152,380$100.3M0.92%−1,627−1.1%Reduced
Adage Capital Partners GP, L.L.C.150,401$99.0M0.18%+58,800+64.2%Added
California State Teachers Retirement System149,845$98.7M0.12%+1,416+1.0%Added
Manning & Napier Group, LLC146,813$96.7M0.81%−1,973−1.3%Reduced
Lazard Asset Management LLC141,710$93.3M0.10%−19,526−12.1%Reduced
Victory Capital Management Inc140,999$92.8M0.09%−1,554−1.1%Reduced
Envestnet Asset Management Inc140,235$92.3M0.05%+3,391+2.5%Added
Stephens Investment Management Group LLC140,157$92.3M1.19%−21,103−13.1%Reduced
Riverbridge Partners LLC139,178$91.6M0.91%−3,684−2.6%Reduced
Fred Alger Management, LLC136,278$89.7M0.22%+80,124+142.7%Added
AXA S.A.132,911$87.5M0.22%+2,329+1.8%Added
Van Eck Associates Corp132,256$87.1M0.20%+15,518+13.3%Added
LGT Capital Partners Ltd.132,170$87.0M2.31%+36,890+38.7%Added
Canada Pension Plan Investment Board130,555$86.0M0.09%+42,777+48.7%Added
Westfield Capital Management Co LP128,734$84.8M0.50%+53,638+71.4%Added
Frontier Capital Management Co LLC128,635$84.7M0.67%−19,036−12.9%Reduced
National Pension Service125,777$82.8M0.14%−3,085−2.4%Reduced
William Blair Investment Management, LLC123,988$81.6M0.22%+2,201+1.8%Added
Bellevue Group AG117,979$77.7M0.80%−141−0.1%Reduced
Los Angeles Capital Management LLC113,920$75.0M0.28%−231−0.2%Reduced
Bank of Montreal110,488$73.4M0.04%−64,876−37.0%Reduced
KBC Group NV111,288$73.3M0.24%−6,469−5.5%Reduced
New York State Teachers Retirement System111,109$73.2M0.14%+185+0.2%Added
New York State Common Retirement Fund109,808$72.3M0.07%−1,930−1.7%Reduced
Citigroup Inc108,317$71.3M0.06%+19,364+21.8%Added
Eaton Vance Management106,450$70.1M0.09%−1,191−1.1%Reduced
State Board of Administration of Florida Retirement System106,296$70.0M0.13%−802−0.7%Reduced
Select Equity Group, L.P.105,823$69.7M0.21%−695−0.7%Reduced
HSBC Holdings PLC104,774$69.2M0.07%+1,136+1.1%Added
Bridgewater Associates, LP103,671$68.3M0.40%+15,166+17.1%Added