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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 2025

Institutional positions in IDEXX Laboratories Inc as of Mar 31, 2025. 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
1,143
+34 vs. Q4 2024
Shares held
74.1M
+2.63M (+3.7%) vs. Q4 2024
Total value
$31.1B
+$1.53B (+5.2%) vs. Q4 2024
New holders
123
467 more added
Sold out
89
353 more reduced

15 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2025: 1,143 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 2025: $31.1B
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 2025

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q4 2024.

Institutions holding IDXX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Tsai Capital Corp9,225$3.87M3.19%+428+4.9%Added
Generali Asset Management SPA SGR9,386$3.94M0.10%−1,695−15.3%Reduced
RMB Capital Management, LLC9,523$4.00M0.10%+2,453+34.7%Added
Strategic Global Advisors, LLC9,527$4.00M0.79%−361−3.7%Reduced
Captrust Financial Advisors9,571$4.02M0.01%+3,746+64.3%Added
Erste Asset Management GmbH9,670$4.02M0.05%+6,380+193.9%Added
State of Alaska, Department of Revenue9,587$4.03M0.05%+245+2.6%Added
Perkins Capital Management Inc9,700$4.07M4.30%00.0%Unchanged
Integrated Wealth Concepts LLC9,783$4.11M0.05%+73+0.8%Added
CIBC World Markets Corp9,877$4.15M0.03%−4,867−33.0%Reduced
Banque Cantonale Vaudoise9,900$4.16M0.18%+9,900New
NEOS Investment Management LLC9,971$4.19M0.08%+2,957+42.2%Added
Aptus Capital Advisors, LLC9,976$4.19M0.05%+14+0.1%Added
Insight Wealth Strategies, LLC9,992$4.20M0.56%−104−1.0%Reduced
Nutshell Asset Management Ltd10,107$4.24M2.21%−325−3.1%Reduced
Taikang Asset Management (Hong Kong) Co Ltd10,125$4.25M0.58%00.0%Unchanged
Shelton Capital Management10,192$4.28M0.10%−661−6.1%Reduced
WSFS Capital Management, LLC10,201$4.28M0.26%−12−0.1%Reduced
LaFleur & Godfrey LLC10,294$4.32M0.59%+465+4.7%Added
Louisiana State Employees Retirement System10,300$4.33M0.09%−100−1.0%Reduced
Rakuten Investment Management, Inc.10,455$4.35M0.02%+10,455New
PFG Advisors10,375$4.36M0.24%+2,910+39.0%Added
Pittenger & Anderson Inc10,411$4.37M0.16%−613−5.6%Reduced
Advisor Group Holdings, Inc.10,748$4.51M0.01%−5,055−32.0%Reduced
Public Employees Retirement Association of Colorado10,845$4.55M0.02%−33−0.3%Reduced
Algert Global LLC11,063$4.65M0.11%+950+9.4%Added
Crystal Rock Capital Management11,185$4.70M3.21%+2,180+24.2%Added
Blue Zone Wealth Advisors, LLC11,301$4.75M1.32%+1,727+18.0%Added
Long Road Investment Counsel, LLC11,307$4.75M1.84%+857+8.2%Added
Oppenheimer Asset Management Inc.11,478$4.82M0.06%−115−1.0%Reduced
Tandem Investment Advisors, Inc.11,713$4.92M0.17%+7,848+203.1%Added
Marks Group Wealth Management, Inc11,833$4.97M0.48%+824+7.5%Added
Police & Firemen's Retirement System of New Jersey11,871$4.99M0.05%00.0%Unchanged
Yousif Capital Management, LLC11,998$5.04M0.06%−22−0.2%Reduced
EFG Asset Management (North America) Corp.12,153$5.10M0.85%−1,222−9.1%Reduced
Silvant Capital Management LLC12,168$5.11M0.24%00.0%Unchanged
New York Life Investment Management LLC12,208$5.13M0.05%−71−0.6%Reduced
Brant Point Investment Management LLC12,348$5.19M1.26%+2,348+23.5%Added
Janus Henderson Group PLC12,555$5.22M0.00%+908+7.8%Added
Ieq Capital, LLC12,532$5.26M0.04%+4,882+63.8%Added
Middleton & Co Inc12,612$5.30M0.62%+307+2.5%Added
Engineers Gate Manager LP12,812$5.38M0.09%+5,251+69.4%Added
Wendell David Associates Inc13,172$5.53M0.55%−917−6.5%Reduced
Gateway Investment Advisers LLC13,296$5.58M0.06%+947+7.7%Added
JustInvest LLC13,342$5.60M0.08%+2,423+22.2%Added
Utah Retirement Systems13,438$5.64M0.07%00.0%Unchanged
iA Global Asset Management Inc.13,552$5.69M0.10%−211−1.5%Reduced
CWM Advisors, LLC13,577$5.70M0.68%+3,472+34.4%Added
STRS Ohio14,000$5.88M0.02%−3,500−20.0%Reduced
Cardinal Capital Management14,089$5.92M0.92%+135+1.0%Added
Haven Capital Group, Inc.14,139$5.94M6.54%+435+3.2%Added
Great Diamond Partners, LLC14,219$5.97M1.63%−88−0.6%Reduced
Carderock Capital Management Inc14,429$6.06M1.61%+660+4.8%Added
First Citizens Bank & Trust Co14,536$6.10M0.16%+416+2.9%Added
Bell Asset Management Ltd14,723$6.18M1.14%+3,514+31.3%Added
DnB Asset Management AS14,827$6.23M0.03%+152+1.0%Added
OP Asset Management Ltd14,878$6.25M0.11%+14,878New
Mariner, LLC15,363$6.45M0.01%+1,895+14.1%Added
British Columbia Investment Management Corp15,660$6.58M0.04%−100−0.6%Reduced
US Bancorp16,187$6.80M0.01%−432−2.6%Reduced
Flputnam Investment Management Co16,235$6.82M0.13%−359−2.2%Reduced
Skandinaviska Enskilda Banken AB (publ)16,357$6.87M0.03%−2,556−13.5%Reduced
Envestnet Portfolio Solutions, Inc.16,649$6.99M0.03%−1,875−10.1%Reduced
Commonwealth Equity Services, LLC16,725$7.02M0.01%+251+1.5%Added
Comerica Bank16,738$7.03M0.03%+276+1.7%Added
USS Investment Management Ltd16,896$7.09M0.05%+682+4.2%Added
Amalgamated Bank17,315$7.27M0.06%+419+2.5%Added
State of Tennessee, Treasury Department17,370$7.29M0.03%+6,820+64.6%Added
IFM Investors Pty Ltd17,446$7.33M0.08%00.0%Unchanged
Guggenheim Capital LLC17,592$7.39M0.07%−5,091−22.4%Reduced
Retirement Systems of Alabama17,597$7.39M0.03%−132−0.7%Reduced
Kovitz Investment Group Partners, LLC17,759$7.46M0.04%+5,570+45.7%Added
Andra AP-fonden17,800$7.48M0.12%−15,900−47.2%Reduced
GF Fund Management Co. Ltd.17,872$7.51M0.18%+261+1.5%Added
Bath Savings Trust Co18,084$7.59M0.79%−422−2.3%Reduced
Tokio Marine Asset Management Co Ltd18,457$7.75M0.28%+3,829+26.2%Added
Cerity Partners LLC18,630$7.82M0.02%+7,235+63.5%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys18,726$7.86M0.05%+1,315+7.6%Added
Fred Alger Management, LLC18,730$7.87M0.04%+5,137+37.8%Added
Czech National Bank18,807$7.90M0.07%+1,052+5.9%Added
Chilton Investment Co LLC18,832$7.91M0.19%−4,847−20.5%Reduced
Segall Bryant & Hamill, LLC18,946$7.96M0.12%−1,856−8.9%Reduced
Northstar Asset Management Inc18,965$7.96M2.36%+122+0.6%Added
Quantinno Capital Management LP19,074$8.01M0.05%+7,657+67.1%Added
Daiwa Securities Group Inc.19,178$8.05M0.03%+1,430+8.1%Added
Cetera Investment Advisers19,420$8.16M0.02%+1,426+7.9%Added
Mutual of America Capital Management LLC19,430$8.16M0.09%+8,609+79.6%Added
Storebrand Asset Management AS19,468$8.18M0.03%−4,550−18.9%Reduced
Jefferies Financial Group Inc.19,539$8.21M0.14%−7,067−26.6%Reduced
Granite Investment Partners, LLC19,952$8.38M0.43%−751−3.6%Reduced
Los Angeles Capital Management LLC20,150$8.46M0.04%+19,137+1,889.1%Added
Capital Fund Management S.A.20,256$8.51M0.11%+20,256New
B. Metzler seel. Sohn & Co. AG20,318$8.53M0.09%+5,761+39.6%Added
Nissay Asset Management Corp20,389$8.56M0.06%+1,701+9.1%Added
Gotham Asset Management, LLC20,449$8.59M0.07%+6,687+48.6%Added
Sumitomo Mitsui DS Asset Management Company, Ltd20,705$8.70M0.09%+605+3.0%Added
Alta Capital Management LLC20,890$8.77M0.57%−35−0.2%Reduced
Progressive Investment Management Corp20,911$8.78M2.46%−401−1.9%Reduced
AXA S.A.21,234$8.92M0.03%+1,062+5.3%Added
Edgestream Partners, L.P.21,262$8.93M0.30%+2,849+15.5%Added