IDEXX Laboratories Inc (IDXX) Ownership

408.85 ↓4.59 (-1.11%)

As of December 31, 1969, 7:00pm EST.

Institutions
Mutual Funds

Institutional Ownership

Vanguard Group Inc is the biggest individual institutional holder of IDEXX Laboratories Inc (IDXX), owning a total of 9.7 million shares. Combined, the top 33 institutional holders of IDXX own 71.95% of the company with a total of 59 million shares.

In the latest ownership report on September 30th 2024, the top 33 institutional holders decreased their combined ownership of IDXX by 1.6 million shares. 7 institutions bought 353,303 total additional shares and increased their ownership by an average of 3.70%. However 11 institutions sold 1,978,896 total shares and decreased their ownership by an average of 9.4%.

Overall this is a negative sign as the number of shares owned by the top 20 institutional holders of IDEXX Laboratories decreased by a net total of -1,625,593 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Group Inc	11.850%	0.076%	9,703,253	7,400	2024-09-30
State Street Corp	4.413%	-0.356%	3,613,360	-12,910	2024-09-30
AllianceBernstein L.P.	3.441%	-10.394%	2,817,709	-326,838	2024-09-30
Fundsmith LLP	3.254%	0.036%	2,664,162	970	2024-09-30
Geode Capital Management, LLC	2.759%	1.818%	2,259,537	40,349	2024-09-30
BAMCO Inc	2.349%	-5.507%	1,923,258	-112,079	2024-09-30
T. Rowe Price Associates, Inc.	1.877%	20.928%	1,536,852	265,970	2024-09-30
Franklin Resources Inc	1.725%	2.489%	1,412,700	34,305	2024-09-30
Morgan Stanley - Brokerage Accounts	1.443%	-48.214%	1,181,709	-1,100,211	2024-09-30
Blair William & Co	1.423%	-0.638%	1,165,569	-7,489	2024-09-30
Brown Advisory Holdings Inc	1.334%	-5.520%	1,091,898	-63,793	2024-09-30
Amvescap Plc.	1.327%	-17.882%	1,086,664	-236,632	2024-09-30
FUNDSMITH INVESTMENT SERVICES LTD.	1.056%	0.214%	865,008	1,846	2024-09-30
Legal & General Group PLC	0.946%	-0.340%	774,692	-2,646	2024-09-30
Northern Trust Corp	0.940%	-5.631%	769,505	-45,915	2024-09-30
Goldman Sachs Group Inc	0.939%	-5.732%	768,621	-46,737	2024-09-30
UBS Asset Mgmt Americas Inc	0.918%	0.329%	751,900	2,463	2024-09-30
Principal Financial Group Inc	0.892%	-3.136%	730,470	-23,646	2024-09-30

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Group Inc	11.850%	0.076%	9,703,253	7,400	2024-09-30
BlackRock Inc	11.728%	4.301%	9,603,226	395,972	2024-06-30
State Street Corporation	4.593%	0.096%	3,780,584	3,635	2024-03-31
State Street Corp	4.413%	-0.356%	3,613,360	-12,910	2024-09-30
AllianceBernstein L.P.	3.441%	-10.394%	2,817,709	-326,838	2024-09-30
Fundsmith LLP	3.254%	0.036%	2,664,162	970	2024-09-30
Geode Capital Management, LLC	2.759%	1.818%	2,259,537	40,349	2024-09-30
BAMCO Inc	2.349%	-5.507%	1,923,258	-112,079	2024-09-30
T. Rowe Price Associates, Inc.	1.877%	20.928%	1,536,852	265,970	2024-09-30
Franklin Resources Inc	1.725%	2.489%	1,412,700	34,305	2024-09-30
FMR Inc	1.535%	-20.540%	1,274,164	-329,360	2022-12-31
Morgan Stanley - Brokerage Accounts	1.443%	-48.214%	1,181,709	-1,100,211	2024-09-30
Blair William & Co	1.423%	-0.638%	1,165,569	-7,489	2024-09-30
Brown Advisory Holdings Inc	1.334%	-5.520%	1,091,898	-63,793	2024-09-30
Amvescap Plc.	1.327%	-17.882%	1,086,664	-236,632	2024-09-30
Capital World Investors	1.238%	1.122%	1,022,678	11,351	2023-12-31
NORGES BANK	1.214%	7.763%	994,418	71,637	2024-06-30
GQG Partners LLC	1.122%	0.000%	931,886	931,886	2023-09-30
FUNDSMITH INVESTMENT SERVICES LTD.	1.056%	0.214%	865,008	1,846	2024-09-30
Legal & General Group PLC	0.946%	-0.340%	774,692	-2,646	2024-09-30
Northern Trust Corp	0.940%	-5.631%	769,505	-45,915	2024-09-30
Goldman Sachs Group Inc	0.939%	-5.732%	768,621	-46,737	2024-09-30
JPMorgan Chase & Co	0.924%	-2.704%	756,243	-21,015	2024-06-30
UBS Asset Mgmt Americas Inc	0.918%	0.329%	751,900	2,463	2024-09-30
Amundi	0.909%	-0.465%	750,004	-3,500	2024-03-31
American Century Companies Inc	0.885%	-12.395%	734,707	-103,948	2023-09-30
Principal Financial Group Inc	0.892%	-3.136%	730,470	-23,646	2024-09-30
Neuberger Berman Group LLC	0.865%	-0.310%	716,302	-2,225	2022-09-30
Citadel Advisors Llc	0.858%	78.825%	711,899	313,801	2023-03-31
Select Equity Group LP	0.840%	-31.943%	697,616	-327,434	2023-03-31
Winslow Capital Management, LLC	0.831%	24.920%	689,873	137,621	2023-09-30
Bank of America Corp	0.768%	-0.586%	633,713	-3,738	2024-03-31
Bank of New York Mellon Corp	0.752%	-1.927%	619,809	-12,179	2024-06-30

Mutual Fund Ownership

Vanguard Total Stock Mkt Idx Inv is the biggest individual fund holder of IDEXX Laboratories Inc (IDXX), owning a total of 2.6 million shares. Combined, the top 33 mutual fund holders of IDXX own 40.38% of the company with a total of 33.2 million shares.

In the latest ownership report on November 30th 2024, the top 33 fund holders increased their combined ownership of IDXX by 44 thousand shares. 5 funds bought 54,675 total additional shares and increased their ownership by an average of 0.73%. However 3 funds sold 10,883 total shares and decreased their ownership by an average of 0.3%.

Overall this is a positive sign as the number of shares owned by the top 20 mutual funds holding IDEXX Laboratories increased by a net total of 43,792 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Total Stock Mkt Idx Inv	3.162%	-0.290%	2,589,452	-7,518	2024-11-30
Vanguard Institutional 500 Index Trust	2.702%	1.454%	2,212,826	31,721	2024-11-30
Vanguard Mid Cap Index Institutional	2.144%	0.523%	1,755,383	9,124	2024-11-30
Invesco QQQ Trust	1.996%	0.000%	1,634,054	0	2024-11-30
SPDR® S&P 500® ETF Trust	1.243%	0.588%	1,017,733	5,952	2024-11-30
iShares Core S&P 500 ETF	1.136%	0.000%	930,301	0	2024-11-30
Vanguard Growth Index Investor	1.119%	0.517%	915,956	4,711	2024-11-30
The Health Care Select Sector SPDR® ETF	0.734%	-0.167%	601,108	-1,008	2024-11-30
Vanguard Mid-Cap Growth ETF	0.714%	0.545%	584,313	3,167	2024-11-30
Vanguard Institutional Index I	0.636%	-0.451%	520,693	-2,357	2024-11-30
iShares Russell Mid-Cap Growth ETF	0.569%	0.000%	465,855	0	2024-11-30
iShares US Medical Devices ETF	0.518%	0.000%	424,067	0	2024-11-30

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Total Stock Mkt Idx Inv	3.162%	-0.290%	2,589,452	-7,518	2024-11-30
Vanguard Instl Ttl Stck Mkt Idx Tr	3.094%	2.003%	2,569,773	50,450	2023-03-31
Fundsmith Equity I Acc	3.077%	0.000%	2,519,438	0	2024-06-30
Vanguard Institutional 500 Index Trust	2.702%	1.454%	2,212,826	31,721	2024-11-30
Vanguard 500 Index Investor	2.408%	0.546%	1,998,604	10,860	2023-08-31
Vanguard Mid Cap Index Institutional	2.144%	0.523%	1,755,383	9,124	2024-11-30
Invesco QQQ Trust	1.996%	0.000%	1,634,054	0	2024-11-30
SPDR® S&P 500® ETF Trust	1.243%	0.588%	1,017,733	5,952	2024-11-30
Fidelity 500 Index	1.234%	-0.164%	1,010,133	-1,660	2024-10-31
SPDR® S&P 500 ETF Trust	1.203%	0.695%	993,452	6,860	2024-05-30
Fidelity® 500 Index	1.165%	0.641%	967,323	6,156	2023-11-30
iShares Core S&P 500 ETF	1.136%	0.000%	930,301	0	2024-11-30
Vanguard Growth Index Investor	1.119%	0.517%	915,956	4,711	2024-11-30
American Funds New Perspective A	1.047%	0.000%	869,643	0	2023-12-31
Capital Group New Perspective Comp	1.053%	0.000%	869,643	0	2023-12-31
AllianceBernstein US L/C Growth Eqty MF	1.029%	-15.034%	842,504	-149,070	2024-10-31
Fidelity® Magellan®	0.983%	-0.086%	815,133	-700	2022-12-31
BlackRock Mid Cap Growth	0.886%	7,588.810%	735,281	725,718	2022-06-30
Baron Partners Retail	0.812%	-5.000%	665,000	-35,000	2024-09-30
BlackRock Mid-Cap Growth Equity Instl	0.735%	-7.763%	602,170	-50,677	2024-09-30
Health Care Select Sector SPDR® ETF	0.729%	-0.223%	601,803	-1,344	2024-05-30
The Health Care Select Sector SPDR® ETF	0.734%	-0.167%	601,108	-1,008	2024-11-30
Vanguard Mid-Cap Growth ETF	0.714%	0.545%	584,313	3,167	2024-11-30
Vanguard Institutional Index I	0.636%	-0.451%	520,693	-2,357	2024-11-30
Baron Asset Retail	0.632%	-3.180%	517,630	-17,000	2024-09-30
Baron Mid Cap Growth Strategy	0.632%	-3.180%	517,630	-17,000	2024-09-30
AB Large Cap Growth A	0.617%	-26.279%	505,443	-180,169	2024-10-31
Franklin DynaTech A	0.611%	0.000%	500,000	0	2024-09-30
Franklin DynaTech Fund A	0.608%	0.000%	500,000	0	2024-07-31
Franklin Innovation Composite	0.611%	0.000%	500,000	0	2024-09-30
iShares Russell Mid-Cap Growth ETF	0.569%	0.000%	465,855	0	2024-11-30
Baron Growth Retail	0.545%	-10.000%	450,000	-50,000	2024-06-30
iShares US Medical Devices ETF	0.518%	0.000%	424,067	0	2024-11-30