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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 2023

Institutional positions in IDEXX Laboratories Inc as of Dec 31, 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
1,155
+108 vs. Q3 2023
Shares held
73.0M
−708.8K (−1.0%) vs. Q3 2023
Total value
$40.5B
+$8.25B (+25.6%) vs. Q3 2023
New holders
189
351 more added
Sold out
81
424 more reduced

14 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 1,155 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 2023: $40.5B
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 2023

Shares, value and share of portfolio for each institution holding IDEXX Laboratories Inc; share changes are against Q3 2023.

Institutions holding IDXX in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Beacon Investment Advisory Services, Inc.94,430$52.4M2.38%−3,218−3.3%Reduced
Martin Currie Ltd94,203$52.3M1.72%+94,203New
Bellevue Group AG94,110$52.2M0.80%−20,331−17.8%Reduced
Chicago Capital, LLC93,963$52.2M1.88%+2,276+2.5%Added
Pinebridge Investments, L.P.93,723$52.0M0.48%−10,995−10.5%Reduced
ProShare Advisors LLC93,283$51.8M0.16%−17,896−16.1%Reduced
State Board of Administration of Florida Retirement System92,893$51.6M0.11%+6,630+7.7%Added
Canada Pension Plan Investment Board90,876$50.4M0.06%+34,198+60.3%Added
Manufacturers Life Insurance Company, The90,433$50.2M0.03%+3,436+3.9%Added
Schroder Investment Management Group89,155$49.5M0.06%+1,118+1.3%Added
Pictet & Cie (Europe) SA89,000$49.4M1.46%−152−0.2%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.90,292$48.3M0.09%+6,240+7.4%Added
Mirae Asset Global Investments Co., Ltd.86,880$48.2M0.10%−6,091−6.6%Reduced
New York State Teachers Retirement System85,725$47.6M0.11%−3,764−4.2%Reduced
Royal London Asset Management Ltd84,550$46.9M0.13%+340+0.4%Added
KBC Group NV83,852$46.5M0.17%−50,136−37.4%Reduced
Saturna Capital CORP83,000$46.1M0.72%00.0%Unchanged
Aviva PLC81,380$45.2M0.16%+14,854+22.3%Added
Rathbone Brothers plc78,258$43.4M0.28%−144,725−64.9%Reduced
Korea Investment CORP77,415$43.0M0.11%+11,540+17.5%Added
Iron Triangle Partners LP76,025$42.2M5.46%+76,025New
New York State Common Retirement Fund75,728$42.0M0.06%−9,235−10.9%Reduced
Raymond James & Associates72,935$40.5M0.03%−25,059−25.6%Reduced
Aware Super Pty Ltd as trustee of Aware Super58,891$39.8M0.55%+58,891New
Adage Capital Partners GP, L.L.C.70,701$39.2M0.08%−38,055−35.0%Reduced
Mogy Joel R Investment Counsel Inc70,460$39.1M2.95%+699+1.0%Added
William Blair Investment Management, LLC68,329$37.9M0.11%+1,194+1.8%Added
Voya Investment Management LLC67,971$37.7M0.04%−124,963−64.8%Reduced
Great West Life Assurance Co67,980$37.5M0.08%+1,428+2.1%Added
Villere St Denis J & Co LLC67,369$37.4M3.08%−361−0.5%Reduced
Kames Capital plc67,185$37.3M0.59%+67,185New
National Bank of Canada66,167$36.2M0.07%+35,958+119.0%Added
State of Wisconsin Investment Board65,031$36.1M0.10%−6,125−8.6%Reduced
APG Asset Management N.V.68,148$34.2M0.07%−17,216−20.2%Reduced
Prudential Financial Inc64,019$34.2M0.05%−12,262−16.1%Reduced
Natixis Advisors, L.P.60,419$33.5M0.09%+9,396+18.4%Added
Axiom Investors LLC58,879$32.7M0.32%−71,054−54.7%Reduced
Bridgewater Associates, LP58,862$32.7M0.18%−57,969−49.6%Reduced
DF Dent & Co Inc57,603$32.0M0.42%−1,667−2.8%Reduced
Qube Research & Technologies Ltd57,154$31.7M0.07%−58,315−50.5%Reduced
Asset Management One Co.,Ltd.56,472$31.5M0.13%+4,168+8.0%Added
Mitsubishi UFJ Trust & Banking Corp56,205$31.2M0.07%−5,183−8.4%Reduced
Wellington Management Group LLP55,913$31.0M0.01%+52,427+1,503.9%Added
Geneva Capital Management LLC55,842$31.0M0.59%−1,989−3.4%Reduced
Susquehanna International Group, LLP54,834$30.4M0.05%+19,646+55.8%Added
Harvey Investment Co LLC53,408$29.6M3.59%−50−0.1%Reduced
Rockefeller Capital Management L.P.52,480$29.1M0.10%−147−0.3%Reduced
Howland Capital Management LLC50,108$27.8M1.47%−1,080−2.1%Reduced
Parnassus Investments48,983$27.2M0.06%00.0%Unchanged
Marshall Wace, LLP48,287$26.8M0.05%+28,287+141.4%Added
Toronto Dominion Bank48,196$26.8M0.04%+4,497+10.3%Added
D. E. Shaw & Co., Inc.48,066$26.7M0.04%+45,194+1,573.6%Added
State of New Jersey Common Pension Fund D46,483$25.8M0.09%−775−1.6%Reduced
Chevy Chase Trust Holdings, Inc.46,436$25.8M0.09%−243−0.5%Reduced
BI Asset Management Fondsmaeglerselskab A/S45,607$25.3M0.54%+16,249+55.3%Added
Bridgecreek Investment Management, LLC45,490$25.2M4.89%−2,050−4.3%Reduced
Nisa Investment Advisors, LLC44,560$24.7M0.18%+2,701+6.5%Added
Assenagon Asset Management S.A.43,593$24.2M0.07%+8,831+25.4%Added
Mackenzie Financial Corp43,552$24.2M0.04%−126−0.3%Reduced
TCG Advisory Services, LLC43,518$24.2M1.68%+43,518New
Aristotle Atlantic Partners, LLC43,403$24.1M0.85%+269+0.6%Added
Franklin Street Advisors Inc43,066$23.9M1.96%−1,288−2.9%Reduced
Clearbridge Investments, LLC42,842$23.8M0.02%+405+1.0%Added
Biondo Investment Advisors, LLC42,449$23.6M4.00%−1,419−3.2%Reduced
Spence Asset Management42,206$23.4M6.50%+25+0.1%Added
DekaBank Deutsche Girozentrale42,045$23.3M0.05%+3,627+9.4%Added
State of Michigan Retirement System41,455$23.0M0.14%+200+0.5%Added
Truist Financial Corp41,225$22.9M0.04%−8,102−16.4%Reduced
Capital Investment Services of America, Inc.41,148$22.8M2.39%−236−0.6%Reduced
Marble Harbor Investment Counsel, LLC40,924$22.7M2.79%+50+0.1%Added
The PNC Financial Services Group, Inc.39,988$22.2M0.02%+721+1.8%Added
Schaper Benz & Wise Investment Counsel Inc39,953$22.2M2.01%+159+0.4%Added
Mn Services Vermogensbeheer B.V.39,260$21.8M0.20%−800−2.0%Reduced
Bourne Lent Asset Management Inc38,899$21.6M8.76%+5,003+14.8%Added
Treasurer of the State of North Carolina38,748$21.5M0.10%+365+1.0%Added
NS Partners Ltd38,252$21.2M1.03%+343+0.9%Added
Public Employees Retirement System of Ohio38,173$21.2M0.08%+3,701+10.7%Added
Swedbank AB36,963$20.5M0.03%00.0%Unchanged
Allspring Global Investments Holdings, LLC36,885$20.5M0.03%+3,743+11.3%Added
HighTower Advisors, LLC36,038$20.0M0.03%+1,821+5.3%Added
Man Group plc35,829$19.9M0.06%––
Squarepoint Ops LLC35,798$19.9M0.08%−120,704−77.1%Reduced
Stifel Financial Corp35,475$19.7M0.02%+3,871+12.2%Added
Quantum Capital Management, LLC35,438$19.7M2.31%+16,787+90.0%Added
Ninety One UK Ltd34,827$19.3M0.06%+14,247+69.2%Added
Candriam Luxembourg S.C.A.34,636$19.2M0.13%−599−1.7%Reduced
Academy Capital Management Inc34,457$19.1M3.89%−315−0.9%Reduced
Sapient Capital LLC33,947$18.8M0.49%+33,947New
LPL Financial LLC33,839$18.8M0.01%−2,804−7.7%Reduced
Teachers Retirement System of the State of Kentucky33,579$18.6M0.17%+22+0.1%Added
Janney Montgomery Scott LLC33,341$18.5M0.06%+4,130+14.1%Added
Capital Fund Management S.A.33,329$18.5M0.24%+33,329New
Ensign Peak Advisors, Inc33,239$18.4M0.04%−16,753−33.5%Reduced
Storebrand Asset Management AS33,063$18.4M0.07%−1,315−3.8%Reduced
American International Group, Inc.31,425$17.4M0.07%+184+0.6%Added
AMF Pensionsforsakring AB31,348$17.4M0.15%00.0%Unchanged
Fred Alger Management, LLC31,070$17.2M0.09%−8,211−20.9%Reduced
Swiss Life Asset Management Ltd29,944$16.6M0.20%+4,134+16.0%Added
Rafferty Asset Management, LLC29,357$16.3M0.07%+1,215+4.3%Added
Guggenheim Capital LLC28,583$15.9M0.12%+412+1.5%Added