IDEXX LABORATORIES INC /DE - Common Stock (IDXX)

Historical Holders from Q1 2014 to Q4 2025

Type / Class: Equity / Common Stock
Symbol: IDXX on Nasdaq
Shares outstanding: 80,841,255
Price per share: $676.53
All holders as of 30 Sep 2025: Q3 2025
Total 13F shares as of 30 Sep 2025: 71,942,685
Total reported value: $45,938,775,802
% of total 13F portfolios: 0.04%
Share change: -2,400,541
Value change: -$1,428,177,043
Avg buy value change: +0%
Avg sell value change: -0.01%
Number of holders: 1,282
Price from insider filings: $705.54

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Significant Owners of IDEXX LABORATORIES INC /DE - Common Stock (IDXX) based on Schedule 13D/G filings

Filer	Ownership	Change %	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
BlackRock, Inc.	9.4%		$2,901,555,953		7,599,078		BlackRock, Inc.	31 Mar 2025

As of 30 Sep 2025, IDEXX LABORATORIES INC /DE - Common Stock (IDXX) has 1,282 institutional shareholders filing 13F forms. They hold 71,942,685 shares. of 80,841,255 outstanding shares (89%) .

Top 25 institutional shareholders own 57% of the company.

Filer	Ownership	Nb Shares	Share Change %	Portfolio %	Holdings Value
VANGUARD GROUP INC	12%	9,962,025	+0.87%	0.1%	$6,364,638,153
BlackRock, Inc.	10%	8,205,011	-2%	0.09%	$5,242,099,447
STATE STREET CORP	4.4%	3,517,670	-1%	0.08%	$2,247,404,186
Fundsmith LLP	3.2%	2,610,457	-1.1%	8.4%	$1,667,794,873
GEODE CAPITAL MANAGEMENT, LLC	3.1%	2,497,676	+1.4%	0.1%	$1,591,098,712
Bank of New York Mellon Corp	2.5%	2,056,680	+42%	0.24%	$1,313,992,065
BAMCO INC /NY/	2.3%	1,884,129	-7.3%	3.2%	$1,203,751,177
MORGAN STANLEY	2%	1,622,490	-2.5%	0.06%	$1,036,595,623
Invesco Ltd.	1.6%	1,320,263	+14%	0.13%	$843,502,663
PRINCIPAL FINANCIAL GROUP INC	1.6%	1,315,722	+17%	0.42%	$840,638,344
POLEN CAPITAL MANAGEMENT LLC	1.4%	1,127,147	-5.7%	2.3%	$720,123,065
BLAIR WILLIAM & CO/IL	1.3%	1,031,786	-4.5%	1.8%	$659,197,463
NORTHERN TRUST CORP	1.2%	942,368	-1.5%	0.08%	$602,069,492
UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC	1.1%	875,549	-18%	0.12%	$559,379,500
JPMORGAN CHASE & CO	1.1%	869,930	+60%	0.04%	$555,801,572
GOLDMAN SACHS GROUP INC	0.88%	711,942	+21%	0.07%	$454,852,946
AMERICAN CENTURY COMPANIES INC	0.87%	705,158	-17%	0.23%	$450,518,395
PRICE T ROWE ASSOCIATES INC /MD/	0.86%	694,208	+29%	0.05%	$443,524,000
Capital Research Global Investors	0.85%	690,601	+0.82%	0.08%	$441,218,073
FUNDSMITH INVESTMENT SERVICES LTD.	0.85%	688,357	-19%	6.9%	$439,784,404
Legal & General Group Plc	0.84%	675,535	+4.1%	0.1%	$431,592,555
Amundi	0.73%	592,599	-12%	0.12%	$372,021,801
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.71%	575,930	+3.5%	0.06%	$367,955,918
FRANKLIN RESOURCES INC	0.71%	572,978	-3.3%	0.09%	$366,069,631
DIMENSIONAL FUND ADVISORS LP	0.67%	544,185	-2.3%	0.07%	$347,641,219

Institutional Holders of IDEXX LABORATORIES INC /DE - Common Stock (IDXX) across Reporting Periods

Period	Reported Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price (% of par)	Investors
2025 Q4	534,457	$362,537,793	+$95,760,474	$1,420,713		67,653.01%	56
2025 Q3	71,942,685	$45,938,775,802	-$1,428,177,043	$126,267,930	$158,996,978	63,889%	1,282
2025 Q2	74,492,454	$39,944,909,126	+$622,390,391	$118,664,432	$93,266,125	53,634%	1,224
2025 Q1	73,614,871	$30,895,590,103	+$783,052,148	$91,009,778	$52,766,091	41,995%	1,124
2024 Q4	71,698,049	$29,668,366,358	-$542,112,501	$128,161,570	$61,056,118	41,344%	1,100
2024 Q3	71,722,534	$36,168,375,599	-$1,429,561,827	$172,435,196	$84,346,136	50,522%	1,098
2024 Q2	74,809,187	$36,439,975,016	+$1,678,522,290	$137,341,680	$85,562,412	48,720%	1,090
2024 Q1	71,636,936	$38,605,061,886	-$654,012,730	$211,474,389	$90,546,261	53,993%	1,134
2023 Q4	618,689	$343,418,084	-$71,482,869			55,505.02%	17
2023 Q3	73,027,374	$31,929,588,162	+$380,630,545	$78,798,344	$70,266,534	43,727%	1,039
2023 Q2	72,065,654	$36,176,750,229	-$361,041,033	$65,924,787	$88,866,919	50,223%	1,043
2023 Q1	71,505,625	$35,738,476,312	-$335,067,699	$161,215,028	$137,130,317	50,008%	1,025
2022 Q4	73,328,314	$29,942,359,198	+$152,565,360	$126,837,498	$123,041,168	40,796%	964
2022 Q3	69,833,455	$22,767,069,291	+$96,661,228	$93,053,052	$73,759,000	32,580.01%	871
2022 Q2	73,548,758	$25,791,566,310	+$442,557,426	$59,493,596	$84,866,000	35,073%	920
2022 Q1	72,044,210	$39,392,262,274	+$494,091,566	$127,537,327	$108,114,150	54,706%	995
2021 Q4	70,173,184	$46,133,818,299	-$186,640,870	$145,346,793	$143,241,000	65,846%	1,071
2021 Q3	62,789,805	$39,048,926,778	-$1,156,298,722	$248,267,730	$195,923,000	62,189.92%	1,042
2021 Q2	71,992,572	$45,462,586,279	+$134,947,712	$216,734,972	$142,711,258	63,155%	1,011
2021 Q1	72,202,421	$35,326,218,339	-$386,930,873	$182,516,037	$76,588,000	48,931%	995
2020 Q4	73,496,456	$36,716,345,277	+$244,994,598	$90,808,876	$62,037,000	49,986.96%	946
2020 Q3	65,500,805	$25,726,737,674	-$683,503,489	$62,036,480	$64,251,000	39,310.91%	828
2020 Q2	66,173,293	$21,845,916,428	-$238,235,357	$44,937,000	$50,362,000	33,015.88%	780
2020 Q1	75,464,992	$18,278,917,910	+$317,646,961	$32,760,000	$28,786,000	24,223.88%	731
2019 Q4	74,331,536	$19,408,671,560	-$136,608,724	$60,249,000	$24,237,000	26,113%	736
2019 Q3	74,812,102	$20,341,884,422	-$166,005,051	$79,496,000	$30,848,000	27,192.99%	705
2019 Q2	74,574,799	$20,530,912,213	+$338,134,331	$69,962,000	$25,385,000	27,533%	694
2019 Q1	75,605,325	$16,905,413,347	+$141,740,000	$66,564,000	$33,384,000	22,359.99%	666
2018 Q4	70,793,046	$13,169,116,048	+$173,174,175	$37,963,000	$29,091,000	18,601.99%	655
2018 Q3	74,198,801	$18,521,962,311	-$145,401,937	$43,889,000	$51,379,000	24,965.94%	682
2018 Q2	79,539,686	$17,333,684,464	-$17,851,947	$38,289,000	$45,190,000	21,794.01%	651
2018 Q1	75,299,447	$14,408,368,610	+$29,882,248	$28,117,000	$21,262,059	19,139%	635
2017 Q4	76,278,322	$11,926,489,935	-$2,291,880,498	$32,232,059	$16,204,017	15,638%	603
2017 Q3	71,899,393	$11,179,358,434	-$66,722,399	$28,284,056	$25,534,000	15,549%	565
2017 Q2	76,985,043	$12,428,178,061	-$168,019,755	$26,781,000	$19,207,000	16,141.99%	572
2017 Q1	78,677,171	$12,157,982,005	+$1,320,542,392	$17,841,000	$11,102,000	15,461%	528
2016 Q4	78,002,741	$9,151,021,342	-$400,760,404	$12,689,000	$7,751,000	11,726.97%	510
2016 Q3	81,568,872	$9,191,319,499	-$94,151,684	$17,817,000	$9,027,000	11,272.98%	466
2016 Q2	81,629,832	$7,580,096,605	-$374,524,898	$4,918,000	$6,846,000	9,285.97%	428
2016 Q1	86,897,438	$6,804,507,287	-$230,890,228	$18,680,000	$2,968,000	7,831.94%	367
2015 Q4	88,665,740	$6,465,235,487	-$74,454,545	$4,667,000	$2,807,000	7,292.01%	342
2015 Q3	90,783,033	$6,739,334,682	-$82,001,035	$3,541,000	$10,707,000	7,424.98%	349
2015 Q2	89,767,287	$5,757,538,294	+$2,810,221,238	$3,136,000	$23,801,000	6,413.94%	344
2015 Q1	44,784,964	$6,914,660,385	-$72,802,160	$3,646,000	$3,260,000	15,447.99%	339
2014 Q4	46,302,363	$6,868,103,193	-$170,176,575	$2,595,000	$3,841,000	14,826.95%	345
2014 Q3	47,689,506	$5,619,296,343	-$92,027,043	$2,157,000	$0	11,783%	313
2014 Q2	48,342,928	$6,456,581,609	-$301,107,262	$1,523,000	$3,686,000	13,356.98%	305
2014 Q1	50,628,842	$6,146,282,012	-$72,423,259	$1,566,000	$4,273,000	12,140%	311