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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 2024

Institutional positions in IDEXX Laboratories Inc as of Dec 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
1,124
+24 vs. Q3 2024
Shares held
71.9M
−1.22M (−1.7%) vs. Q3 2024
Total value
$29.8B
−$6.87B (−18.8%) vs. Q3 2024
New holders
165
338 more added
Sold out
141
439 more reduced

17 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 1,124 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 2024: $29.8B
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 2024

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q3 2024.

Institutions holding IDXX in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Bellevue Group AG76,935$31.8M0.61%−14,344−15.7%Reduced
Citadel Advisors LLC78,054$32.3M0.03%+54,954+237.9%Added
Credit Agricole S A78,486$32.4M0.11%−65,769−45.6%Reduced
Mogy Joel R Investment Counsel Inc79,324$32.8M1.95%+1,010+1.3%Added
Beacon Investment Advisory Services, Inc.79,604$32.9M1.43%−7,079−8.2%Reduced
State Board of Administration of Florida Retirement System80,446$33.3M0.06%−1,200−1.5%Reduced
Manufacturers Life Insurance Company, The81,040$33.5M0.03%−8,435−9.4%Reduced
Local Pensions Partnership Investment Ltd82,326$34.0M0.63%+82,326New
CIBC Private Wealth Group, LLC80,476$34.8M0.06%−97,450−54.8%Reduced
Chicago Capital, LLC86,184$35.6M0.94%−7,397−7.9%Reduced
Two Sigma Investments, LP87,486$36.2M0.08%−24,214−21.7%Reduced
Royal London Asset Management Ltd88,154$36.4M0.09%−14,918−14.5%Reduced
KBC Group NV88,363$36.5M0.10%−12,585−12.5%Reduced
Bradley Foster & Sargent Inc88,713$36.7M0.62%+84,490+2,000.7%Added
1832 Asset Management L.P.88,882$36.7M0.07%+84,487+1,922.3%Added
Pictet & Cie (Europe) SA89,000$36.8M0.81%00.0%Unchanged
Pinebridge Investments, L.P.89,190$36.9M0.28%−1,450−1.6%Reduced
Frontier Capital Management Co LLC90,129$37.3M0.35%−50,466−35.9%Reduced
Wells Fargo & Company91,759$37.9M0.01%−29,955−24.6%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH93,890$38.8M0.08%+93,890New
Thrivent Financial for Lutherans100,231$41.4M0.08%−8,027−7.4%Reduced
Raiffeisen Bank International AG101,387$41.8M0.63%+101,387New
Citigroup Inc102,114$42.2M0.04%−31,165−23.4%Reduced
Davis R M Inc102,695$42.5M0.83%−683−0.7%Reduced
Riverbridge Partners LLC103,381$42.7M0.58%−4,428−4.1%Reduced
Stephens Investment Management Group LLC108,649$44.9M0.60%+3,749+3.6%Added
National Pension Service117,648$48.6M0.05%−68,324−36.7%Reduced
BLI - Banque de Luxembourg Investments118,400$48.9M1.33%+118,400New
Ameriprise Financial Inc118,601$49.0M0.01%−93,577−44.1%Reduced
Bank of Montreal120,276$49.7M0.03%+4,511+3.9%Added
AQR Capital Management LLC122,679$50.7M0.07%+70,150+133.5%Added
ProShare Advisors LLC123,097$50.9M0.12%+20,557+20.0%Added
Aviva PLC123,441$51.0M0.13%+23,542+23.6%Added
Brown Advisory Inc124,101$51.3M0.07%−967,797−88.6%Reduced
CI Private Wealth, LLC125,450$51.9M0.09%−180,904−59.1%Reduced
EULAV Asset Management126,212$52.2M1.26%00.0%Unchanged
California State Teachers Retirement System128,385$53.1M0.06%−5,324−4.0%Reduced
Kayne Anderson Rudnick Investment Management LLC129,902$53.7M0.12%−6,695−4.9%Reduced
Canada Pension Plan Investment Board130,100$53.8M0.05%+14,083+12.1%Added
Worldquant Millennium Advisors LLC132,193$54.7M0.35%+21,997+20.0%Added
Rathbone Brothers plc136,437$56.4M0.27%+25,256+22.7%Added
Loring Wolcott & Coolidge Fiduciary Advisors LLP134,459$57.5M0.49%−375−0.3%Reduced
Jupiter Asset Management Ltd140,969$58.3M0.57%−7,796−5.2%Reduced
Fiera Capital Corp141,198$58.4M0.18%+15,463+12.3%Added
Arrowstreet Capital, Limited Partnership142,192$58.8M0.05%+8,617+6.5%Added
California Public Employees Retirement System142,630$59.0M0.04%−9,276−6.1%Reduced
LGT Capital Partners Ltd.143,298$59.2M2.25%+4,823+3.5%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.144,011$59.8M0.06%+11,056+8.3%Added
Envestnet Asset Management Inc149,574$61.8M0.02%−43,142−22.4%Reduced
Mackenzie Financial Corp156,520$64.7M0.09%+110,000+236.5%Added
Voloridge Investment Management, LLC158,511$65.5M0.23%+93,244+142.9%Added
Allianz Asset Management GmbH161,261$66.7M0.10%−7,059−4.2%Reduced
Caisse de Depot Et Placement du Quebec162,310$67.1M0.14%+76,383+88.9%Added
Baird Financial Group, Inc.163,345$67.5M0.13%−46,998−22.3%Reduced
Squarepoint Ops LLC163,510$67.6M0.17%+85,214+108.8%Added
Welch & Forbes LLC169,319$70.0M0.90%+820.0%Added
Epoch Investment Partners, Inc.171,171$70.8M0.34%+382+0.2%Added
Robeco Institutional Asset Management B.V.172,328$71.2M0.14%−60,432−26.0%Reduced
Victory Capital Management Inc173,131$71.6M0.07%+30,503+21.4%Added
Raymond James Financial Inc173,890$71.9M0.03%+173,890New
Rhumbline Advisers175,970$72.8M0.07%−6,931−3.8%Reduced
Railway Pension Investments Ltd182,330$75.4M1.00%−10,700−5.5%Reduced
Comgest Global Investors S.A.S.191,511$79.2M1.30%+145,203+313.6%Added
TimesSquare Capital Management, LLC193,516$80.0M1.17%+46,857+31.9%Added
Wellington Management Group LLP195,369$80.8M0.01%+120,558+161.2%Added
Sumitomo Mitsui Trust Holdings, Inc.198,450$82.0M0.06%+916+0.5%Added
American Capital Management Inc206,062$85.2M3.17%−42,791−17.2%Reduced
Marshall Wace, LLP207,114$85.6M0.11%+178,841+632.6%Added
D. E. Shaw & Co., Inc.212,136$87.7M0.10%+85,921+68.1%Added
First Trust Advisors LP213,106$88.1M0.08%+16,656+8.5%Added
Barclays PLC215,979$89.3M0.04%−236,377−52.3%Reduced
Qube Research & Technologies Ltd221,196$91.5M0.15%−65,026−22.7%Reduced
Bessemer Group Inc229,246$94.8M0.15%+216,572+1,708.8%Added
Swiss National Bank232,600$96.2M0.06%−12,500−5.1%Reduced
Bank Julius Baer & Co. Ltd, Zurich223,841$99.1M0.31%+15,565+7.5%Added
Standard Life Aberdeen plc242,659$100.0M0.19%−16,038−6.2%Reduced
Clearbridge Investments, LLC252,128$104.2M0.08%−90,976−26.5%Reduced
Millennium Management LLC256,228$105.9M0.09%+100,461+64.5%Added
Seilern Investment Management Ltd273,567$113.1M6.44%+273,567New
TD Asset Management Inc273,805$113.2M0.10%−20,907−7.1%Reduced
FMR LLC286,899$118.6M0.01%−3,962−1.4%Reduced
Williams Jones Wealth Management, LLC.324,521$134.2M1.62%−16,932−5.0%Reduced
UBS Group AG332,085$137.3M0.03%+102,908+44.9%Added
Deutsche Bank AG357,479$147.8M0.06%+54,360+17.9%Added
Alyeska Investment Group, L.P.378,318$156.4M0.59%+378,318New
Nuveen Asset Management, LLC384,486$159.0M0.04%−27,529−6.7%Reduced
HSBC Holdings PLC387,483$160.2M0.10%+43,225+12.6%Added
Neuberger Berman Group LLC395,775$163.6M0.13%−21,699−5.2%Reduced
Bank of America Corp407,637$168.5M0.02%−203,533−33.3%Reduced
Vontobel Holding Ltd.418,563$173.1M0.59%+198,404+90.1%Added
William Blair Investment Management, LLC422,133$174.5M0.43%+369,471+701.6%Added
Goldman Sachs Group Inc426,620$176.4M0.03%−342,001−44.5%Reduced
Assenagon Asset Management S.A.435,049$179.9M0.32%+316,048+265.6%Added
BNP Paribas Arbitrage, SA441,319$182.5M0.14%+303,936+221.2%Added
Pictet Asset Management Holding SA442,484$182.9M0.20%+83,964+23.4%Added
Capital Counsel LLC457,815$189.3M8.09%−13,364−2.8%Reduced
Flossbach Von Storch AG473,336$195.7M0.78%+464,791+5,439.3%Added
Macquarie Group Ltd481,635$197.8M0.24%+37,438+8.4%Added
Royal Bank of Canada481,140$198.9M0.04%+42,364+9.7%Added
Charles Schwab Investment Management Inc531,692$219.8M0.04%+16,213+3.1%Added