IDEXX LABORATORIES INC /DE hedge fund holdings
IDXXNASDAQ$518.39+0.64 (+0.12%)as of Oct 2, 2026
Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.
Price vs funds buying and selling
IDXX · close · 13FReported Aug 14, 2026Price vs funds buying and selling data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-18.2%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.Price and fund activity data
| Quarter | Funds buying | Funds selling | Bought | Sold | Filers | Reported |
|---|---|---|---|---|---|---|
| Q2 2025 | 423 | 326 | $3.35B | $3.01B | 1,166 | Aug 14, 2025 |
| Q3 2025 | 377 | 333 | $2.9B | $3.69B | 1,240 | Nov 14, 2025 |
| Q4 2025 | 384 | 315 | $4.27B | $4.26B | 1,317 | Feb 14, 2026 |
| Q1 2026 | 349 | 439 | $2.22B | $2.72B | 1,254 | May 15, 2026 |
| Q2 2026 | 385 | 382 | $2.96B | $2.46B | 1,225 | Aug 14, 2026 |
Quarterly action breakdown
Q2 2026
1,225 filersNew position
86$499M+948K sh
Increased
299$2.46B+4.68M sh
Reduced
290-$2.1B-4M sh
Out / sold
92-$359M-682K sh
Last 4 quarters · free
Reported Aug 14, 2026
| Fund | Action | Change in dollar | Value | % of portfolio | Reported |
|---|---|---|---|---|---|
| Capital World Investors | Sell 100% | -$280M | $0 | 0.00% | Aug 12, 2026 |
| Fundsmith LLP | Reduce 30.42% | -$235M | $537M | 3.93% | Aug 14, 2026 |
| Baillie Gifford & Co | New Buy | +$186M | $186M | 0.17% | Aug 6, 2026 |
| Bamco Inc | Added 21.02% | +$181M | $1.04B | 1.56% | Aug 14, 2026 |
| Massachusetts Financial Services Co | New Buy | +$180M | $180M | 0.06% | Aug 3, 2026 |
| Railway Pension Investments Ltd | Reduce 82.31% | -$111M | $23.9M | 0.30% | Aug 14, 2026 |
| Vontobel Holding Ltd. | Added 3580.63% | +$98.3M | $101M | 0.32% | Aug 3, 2026 |
| Polen Capital Management LLC | Reduce 23.49% | -$86M | $280M | 2.41% | Aug 4, 2026 |
| Fundsmith Investment Services Ltd. | Reduce 32.09% | -$81.3M | $172M | 3.81% | Aug 14, 2026 |
| Rathbones Group PLC | Reduce 45.05% | -$57.6M | $70.3M | 0.26% | Jul 23, 2026 |
| Jensen Investment Management Inc | Added 2861.04% | +$53.8M | $55.6M | 1.35% | Aug 7, 2026 |
| Caisse de depot et placement du Quebec | Reduce 32.13% | -$44.5M | $94M | 0.13% | Aug 14, 2026 |
| Lord, Abbett & Co. LLC | Reduce 90.52% | -$42.1M | $4.4M | 0.01% | Aug 14, 2026 |
| AustralianSuper Pty Ltd | Added 17.12% | +$39.9M | $273M | 1.18% | Aug 12, 2026 |
| Quantinno Capital Management LP | Added 64.63% | +$34M | $86.5M | 0.10% | Aug 13, 2026 |
| Worldquant Millennium Advisors LLC | Reduce 62.33% | -$32.3M | $19.5M | 0.07% | Aug 14, 2026 |
| KBC Group NV | Reduce 34.21% | -$31.1M | $59.8M | 0.13% | Aug 5, 2026 |
| William Blair Investment Management, LLC | Reduce 15.21% | -$28.1M | $157M | 0.47% | Aug 12, 2026 |
| Pictet Asset Management Holding SA | Reduce 15.78% | -$23.9M | $128M | 0.12% | Jul 30, 2026 |
| Comgest Global Investors S.A.S. | Added 19.15% | +$22.2M | $138M | 3.04% | Jul 24, 2026 |
| Canada Pension Plan Investment Board | Added 48.52% | +$20.8M | $63.6M | 0.04% | Aug 14, 2026 |
| Liontrust Investment Partners LLP | Added 21.35% | +$19.9M | $113M | 1.66% | Aug 18, 2026 |
| Healthcare of Ontario Pension Plan Trust Fund | Reduce 28.26% | -$19.9M | $50.6M | 0.07% | Aug 13, 2026 |
| Jupiter Asset Management Ltd | Added 133.21% | +$19.3M | $33.8M | 0.17% | Aug 10, 2026 |
| EULAV Asset Management | Reduce 70.30% | -$18.2M | $7.7M | 0.25% | Jul 29, 2026 |
| Gotham Asset Management, LLC | Reduce 41.41% | -$17.5M | $24.8M | 0.06% | Aug 14, 2026 |
| First Trust Advisors LP | Reduce 13.59% | -$16.8M | $107M | 0.06% | Aug 11, 2026 |
| Westwind Capital | Sell 100% | -$16.7M | $0 | 0.00% | Jul 15, 2026 |
| Montrusco Bolton Investments Inc. | Added 8.96% | +$16.1M | $196M | 3.04% | Jul 21, 2026 |
| Bessemer Group Inc | Reduce 9.54% | -$16M | $152M | 0.21% | Aug 12, 2026 |
| Freestone Grove Partners LP | Reduce 33.10% | -$15.8M | $31.9M | 0.20% | Aug 14, 2026 |
| LGT Capital Partners Ltd. | Reduce 26.74% | -$15.2M | $41.7M | 2.11% | Aug 5, 2026 |
| Holocene Advisors, LP | Added 18.84% | +$14.7M | $92.4M | 0.21% | Aug 14, 2026 |
| Blair William & Co | Reduce 2.94% | -$14.6M | $484M | 1.26% | Aug 11, 2026 |
| Quantum Capital Management, LLC / NJ | Added 48.79% | +$14.4M | $44M | 5.52% | Aug 11, 2026 |
| Bellevue Group AG | Reduce 30.69% | -$14.4M | $32.5M | 0.68% | Aug 14, 2026 |
| BI Asset Management Fondsmaeglerselskab A/S | Reduce 87.94% | -$12.4M | $1.7M | 0.01% | Aug 10, 2026 |
| Congress Asset Management Co | Added 14.10% | +$12.4M | $100M | 0.62% | Jul 7, 2026 |
| Bridgewater Associates, LP | Added 225.07% | +$12.2M | $17.7M | 0.07% | Aug 14, 2026 |
| FORA Capital, LLC | Added 141.57% | +$11.9M | $20.2M | 1.39% | Aug 13, 2026 |
| Nomura Asset Management International Inc. | Added 5.54% | +$11.7M | $222M | 0.33% | Aug 14, 2026 |
| Tidal Investments LLC | Reduce 50.77% | -$10.4M | $10.1M | 0.02% | Aug 13, 2026 |
| Vinva Investment Management Ltd | Added 61.44% | +$10.3M | $27M | 0.18% | Aug 14, 2026 |
| Thrivent Financial for Lutherans | Reduce 34.64% | -$10.2M | $19.3M | 0.03% | Aug 14, 2026 |
| Nutshell Asset Management Ltd | Added 325.93% | +$10.1M | $13.2M | 4.41% | Aug 12, 2026 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Added 16.76% | +$10M | $69.8M | 0.07% | Aug 13, 2026 |
| Treasurer of the State of North Carolina | Reduce 36.05% | -$9.99M | $17.7M | 0.05% | Aug 14, 2026 |
| Sone Capital Management, LLC | New Buy | +$9.97M | $9.97M | 0.76% | Aug 14, 2026 |
| Select Equity Group, L.P. | Sell 100% | -$9.62M | $0 | 0.00% | Aug 14, 2026 |
| Kayne Anderson Rudnick Investment Management LLC | Reduce 17.59% | -$9.34M | $43.7M | 0.14% | Aug 13, 2026 |
| Edgestream Partners, L.P. | Sell 100% | -$9.25M | $0 | 0.00% | Aug 11, 2026 |
| Robeco Institutional Asset Management B.V. | Reduce 9.15% | -$9.14M | $90.8M | 0.11% | Jul 21, 2026 |
| BLI - Banque de Luxembourg Investments | Reduce 30.19% | -$9.04M | $20.9M | 0.74% | Aug 10, 2026 |
| Ossiam | Added 231.24% | +$8.93M | $12.8M | 0.17% | Aug 13, 2026 |
| Seilern Investment Management Ltd | Added 20.70% | +$8.81M | $51.4M | 6.47% | Jul 8, 2026 |
| Macquarie Group Ltd | Added 171.75% | +$8.45M | $13.4M | 0.06% | Aug 14, 2026 |
| Parkman Healthcare Partners LLC | Sell 100% | -$8.43M | $0 | 0.00% | Aug 14, 2026 |
| VANGUARD ASSET MANAGEMENT, Ltd | Added 11.34% | +$8.33M | $81.8M | 0.06% | Aug 13, 2026 |
| Natixis Advisors, LLC | Added 22.69% | +$7.7M | $41.6M | 0.05% | Aug 14, 2026 |
| Capital International, Inc. | Sell 100% | -$7.59M | $0 | 0.00% | Aug 12, 2026 |
| Capitolis Liquid Global Markets LLC | Sell 100% | -$7.39M | $0 | 0.00% | Aug 13, 2026 |
| Korea Investment CORP | Reduce 34.90% | -$7.2M | $13.4M | 0.03% | Aug 12, 2026 |
| APG Asset Management N.V. | Added 30.02% | +$6.69M | $29M | 0.07% | Aug 12, 2026 |
| Premier Fund Managers Ltd | Reduce 34.31% | -$6.62M | $12.7M | 1.15% | Jul 22, 2026 |
| Azimuth Capital Investment Management LLC | Reduce 40.06% | -$6.37M | $9.53M | 0.32% | Aug 12, 2026 |
| Waratah Capital Advisors Ltd. | Added 1637.33% | +$6.19M | $6.57M | 0.22% | Aug 11, 2026 |
| Ensign Peak Advisors, Inc | Reduce 27.13% | -$5.91M | $15.9M | 0.03% | Aug 14, 2026 |
| Schroder Investment Management Group | Added 5.77% | +$5.81M | $107M | 0.08% | Aug 13, 2026 |
| Integrated Advisors Network LLC | Sell 100% | -$5.5M | $0 | 0.00% | Aug 11, 2026 |
| OP Asset Management Ltd | Added 48.96% | +$5.38M | $16.4M | 0.17% | Jul 28, 2026 |
| Mitsubishi UFJ Asset Management Co., Ltd. | Added 5.32% | +$5.29M | $105M | 0.06% | Aug 7, 2026 |
| TCW Group Inc | Reduce 8.25% | -$5.16M | $57.4M | 0.39% | Aug 3, 2026 |
| Teachers Retirement System of the State of Kentucky | Added 150.76% | +$5.1M | $8.48M | 0.06% | Aug 12, 2026 |
| Norinchukin Bank, The | Added 122.05% | +$4.96M | $9.02M | 0.09% | Aug 14, 2026 |
| Decatur Capital Management, Inc. | New Buy | +$4.92M | $4.92M | 1.67% | Aug 14, 2026 |
| Capital Fund Management S.A. | Reduce 21.21% | -$4.79M | $17.8M | 0.08% | Aug 13, 2026 |
| Riverbridge Partners LLC | Reduce 11.01% | -$4.78M | $38.7M | 1.08% | Jul 13, 2026 |
| Farallon Capital Management, L.L.C. | New Buy | +$4.74M | $4.74M | 0.02% | Aug 14, 2026 |
| Wellington Management Group LLP | Reduce 1.19% | -$4.62M | $383M | 0.07% | Aug 14, 2026 |
| Voleon Capital Management LP | Added 379.62% | +$4.58M | $5.79M | 0.11% | Aug 14, 2026 |
| Pinebridge Investments LLC | Reduce 92.25% | -$4.51M | $379K | 0.00% | Aug 14, 2026 |
| Lazard Freres Gestion S.A.S. | Added 12.32% | +$4.36M | $39.8M | 0.69% | Aug 6, 2026 |
| Twinbeech Capital LP | Added 1629.78% | +$4.35M | $4.62M | 0.84% | Aug 14, 2026 |
| Coalescence Partners Investment Management, LP | Added 44.28% | +$4.33M | $14.1M | 4.14% | Aug 14, 2026 |
| Rafferty Asset Management, LLC | Added 31.60% | +$4.31M | $17.9M | 0.04% | Aug 14, 2026 |
| Stephens Investment Management Group LLC | Added 7.89% | +$4.24M | $58M | 0.62% | Jul 29, 2026 |
| Mn Services Vermogensbeheer B.V. | Reduce 25.46% | -$4.16M | $12.2M | 0.09% | Jul 31, 2026 |
| Crown Oak Advisors, LLC | New Buy | +$4.15M | $4.15M | 1.93% | Jul 17, 2026 |
| ASR Vermogensbeheer N.V. | Added 116.31% | +$4.1M | $7.63M | 0.08% | Jul 20, 2026 |
| Swiss Life Asset Management Ltd | Added 23.45% | +$3.84M | $20.2M | 0.08% | Jul 29, 2026 |
| Pacer Advisors, Inc. | Reduce 17.76% | -$3.83M | $17.8M | 0.05% | Aug 13, 2026 |
| Westfield Capital Management Co LP | Added 5.32% | +$3.72M | $73.7M | 0.24% | Aug 12, 2026 |
| Groupe la Francaise | Sell 100% | -$3.63M | $0 | 0.00% | Aug 25, 2026 |
| National Pension Service | Added 5.62% | +$3.62M | $68.1M | 0.04% | Aug 13, 2026 |
| Fiera Capital Corp | Reduce 9.60% | -$3.6M | $33.9M | 0.12% | Aug 7, 2026 |
| UniSuper Management Pty Ltd | Added 74.28% | +$3.59M | $8.43M | 0.04% | Aug 14, 2026 |
| NEOS Investment Management LLC | Added 12.53% | +$3.54M | $31.8M | 0.12% | Aug 11, 2026 |
| CWA Asset Management Group, LLC | Reduce 91.33% | -$3.54M | $336K | 0.01% | Jul 14, 2026 |
| Baird Financial Group, Inc. | Reduce 7.88% | -$3.42M | $40M | 0.06% | Aug 12, 2026 |
| Mizuho Securities USA LLC | Added 127.95% | +$3.35M | $5.96M | 0.06% | Jul 28, 2026 |