Vault-13

IDEXX LABS INC IDXX

COM · Common Stock · CUSIP 45168D104 · ISIN US45168D1046

American multinational corporation

924 institutional holders
73,519,67973.5m shares reported held*
88.8% of all shares outstanding*
$24.0bnreported value*

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($47.8m this quarter). Holder counts are more reliable. Shares outstanding: 82.8m as of 2022-10-28, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $326.29. Options: 16 managers hold calls ($91.6m notional), 18 hold puts ($116.3m).

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP — $31.5m96.7k shares
CITADEL ADVISORS LLC — $30.6m93.8k shares
SIMPLEX TRADING, LLC — $9.7m29.7k shares
JANE STREET GROUP, LLC — $6.9m21.2k shares
MILLENNIUM MANAGEMENT LLC — $2.9m9.0k shares
WOLVERINE TRADING, LLC — $1.7m5.1k shares
Paloma Partners Management Co — $1.6m5.0k shares
TUDOR INVESTMENT CORP ET AL — $1.3m3.9k shares
GROUP ONE TRADING LLC — $1.2m3.8k shares
HSBC HOLDINGS PLC — $977.0k3.0k shares

Biggest puts

CITADEL ADVISORS LLC — $36.8m112.9k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $29.8m91.5k shares
PURA VIDA INVESTMENTS, LLC — $12.4m38.0k shares
Laurion Capital Management LP — $10.2m31.2k shares
SIMPLEX TRADING, LLC — $5.7m17.4k shares
D. E. Shaw & Co., Inc. — $4.6m14.0k shares
PEAK6 Investments LLC — $3.8m11.7k shares
CAPSTONE INVESTMENT ADVISORS, LLC — $3.2m9.9k shares
JANE STREET GROUP, LLC — $3.2m9.7k shares
SpiderRock Advisors, LLC — $2.1m5.0k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
BlackRock, Inc. 13G · institution filed 2025-04-17 9.4% 7.6m≈ $4.0bn 2025-04-17
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 7.5% new 6.0m≈ $3.1bn 2026-04-30

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)

Insider purchases and sales in Q3 2022

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
202Q4 20: 0 buyingQ4 20: 0 sellingQ1 21: 0 buyingQ1 21: 0 sellingQ1 21Q2 21: 0 buyingQ2 21: 0 sellingQ3 21: 0 buyingQ3 21: 0 sellingQ3 21Q4 21: 0 buyingQ4 21: 2 sellingQ1 22: 0 buyingQ1 22: 1 sellingQ1 22Q2 22: 0 buyingQ2 22: 0 sellingQ3 22: 0 buyingQ3 22: 0 sellingQ3 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20200—0——
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20210—2$31.4m—
Q1 20220—1$127.4k—
Q2 20220—0——
Q3 20220—0——

None reported in Q3 2022.

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock Inc. 0.10% of their portfolio New York, NY 8,792,3008.8m $2.9bn $2.9bn 0.10% —
2 VANGUARD GROUP INC 0.08% of their portfolio Valley Forge, PA 8,051,5108.1m $2.6bn $2.6bn 0.08% —
3 STATE STREET CORP 0.08% of their portfolio BOSTON, MA 3,784,3533.8m $1.2bn $1.2bn 0.08% —
4 Fundsmith LLP 5.60% of their portfolio LONDON, X0 3,620,7773.6m $1.2bn $1.2bn 5.60% —
5 ALLIANCEBERNSTEIN L.P. 0.46% of their portfolio NASHVILLE, TN 2,906,6902.9m $947.0m $947.0m 0.46% —
6 BAMCO INC /NY/ 2.51% of their portfolio NEW YORK, NY 2,387,3952.4m $777.8m $777.8m 2.51% —
7 GEODE CAPITAL MANAGEMENT, LLC 0.09% of their portfolio BOSTON, MA 1,891,3511.9m $615.7m $615.7m 0.09% —
8 FMR LLC 0.05% of their portfolio BOSTON, MA 1,603,5241.6m $522.4m $522.4m 0.05% —
9 AMERICAN CENTURY COMPANIES INC 0.44% of their portfolio KANSAS CITY, MO 1,528,9591.5m $498.1m $498.1m 0.44% —
10 BLAIR WILLIAM & CO/IL 1.83% of their portfolio CHICAGO, IL 1,224,8681.2m $399.1m $399.1m 1.83% —
11 BROWN ADVISORY INC 0.77% of their portfolio BALTIMORE, MD 1,212,0281.2m $394.9m $394.9m 0.77% —
12 FRANKLIN RESOURCES INC 0.21% of their portfolio San Mateo, CA 1,207,4021.2m $393.4m $393.4m 0.21% —
13 PRINCIPAL FINANCIAL GROUP INC 0.31% of their portfolio DES MOINES, IA 1,197,4851.2m $390.1m $390.1m 0.31% —
14 Select Equity Group, L.P. 1.46% of their portfolio NEW YORK, NY 1,079,1301.1m $351.6m $351.6m 1.46% —
15 FUNDSMITH INVESTMENT SERVICES LTD. 5.62% of their portfolio BEAUX SONGES, O4 997,876997.9k $325.1m $325.1m 5.62% —
16 Capital World Investors 0.07% of their portfolio LOS ANGELES, CA 992,909992.9k $323.5m $323.5m 0.07% —
17 Invesco Ltd. 0.09% of their portfolio ATLANTA, GA 878,739878.7k $286.3m $286.3m 0.09% —
18 NORTHERN TRUST CORP 0.06% of their portfolio CHICAGO, IL 870,456870.5k $283.6m $283.6m 0.06% —
19 NORGES BANK 0.07% of their portfolio OSLO, Q8 788,730788.7k $257.0m $257.0m 0.07% —
20 MORGAN STANLEY 0.03% of their portfolio NEW YORK, NY 725,306725.3k $236.3m $236.3m 0.03% —
21 NEUBERGER BERMAN GROUP LLC 0.24% of their portfolio NEW YORK, NY 716,302716.3k $233.4m $233.4m 0.24% —
22 Legal & General Group Plc 0.09% of their portfolio London, X0 702,200702.2k $228.8m $228.8m 0.09% —
23 BANK OF AMERICA CORP /DE/ 0.03% of their portfolio CHARLOTTE, NC 699,529699.5k $227.9m $227.9m 0.03% —
24 Bank of New York Mellon Corp 0.05% of their portfolio NEW YORK, NY 696,325696.3k $226.9m $226.9m 0.05% —
25 Winslow Capital Management, LLC 1.27% of their portfolio MINNEAPOLIS, MN 664,697664.7k $216.6m $216.6m 1.27% —
26 CAPITAL COUNSEL LLC/NY 10.32% of their portfolio NEW YORK, NY 489,232489.2k $159.4m $159.4m 10.32% —
27 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.05% of their portfolio SAN FRANCISCO, CA 433,467433.5k $141.2m $141.2m 0.05% —
28 Echo Street Capital Management LLC 1.32% of their portfolio New York, NY 421,416421.4k $137.3m $137.3m 1.32% —
29 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.08% of their portfolio NEW YORK, NY 415,501415.5k $135.4m $135.4m 0.08% —
30 JPMORGAN CHASE & CO 0.02% of their portfolio NEW YORK, NY 408,667408.7k $133.1m $133.1m 0.02% —
31 Amundi 0.08% of their portfolio Paris, I0 403,993404.0k $141.4m $141.4m 0.08% —
32 GOLDMAN SACHS GROUP INC 0.04% of their portfolio NEW YORK, NY 403,383403.4k $131.4m $131.4m 0.04% —
33 Williams Jones Wealth Management, LLC. 2.28% of their portfolio NEW YORK, NY 401,582401.6k $130.8m $130.8m 2.28% —
34 DIMENSIONAL FUND ADVISORS LP 0.05% of their portfolio AUSTIN, TX 401,428401.4k $130.8m $130.8m 0.05% —
35 AMERICAN CAPITAL MANAGEMENT INC 4.93% of their portfolio NEW YORK, NY 383,347383.3k $124.9m $124.9m 4.93% —
36 Nuveen Asset Management, LLC 0.05% of their portfolio CHICAGO, IL 381,992382.0k $124.5m $124.5m 0.05% —
37 CITADEL ADVISORS LLC 0.15% of their portfolio MIAMI, FL 368,331368.3k $120.0m $120.0m 0.15% —
38 Swiss National Bank 0.08% of their portfolio ZURICH, V8 364,036364.0k $118.6m $118.6m 0.08% —
39 Robeco Institutional Asset Management B.V. 0.36% of their portfolio ROTTERDAM, P7 345,488345.5k $112.6m $112.6m 0.36% —
40 CREDIT SUISSE AG/ 0.13% of their portfolio ZURICH, V8 343,258343.3k $111.8m $111.8m 0.13% —
41 LGT CAPITAL PARTNERS LTD. 3.41% of their portfolio PFAEFFIKON, V8 342,681342.7k $111.6m $111.6m 3.41% —
42 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.04% of their portfolio Boston, MA 334,451334.5k $109.0m $109.0m 0.04% —
43 PICTET ASSET MANAGEMENT SA 0.15% of their portfolio GENEVA 73, V8 306,132306.1k $101.5m $101.5m 0.15% —
44 DF DENT & CO INC 1.50% of their portfolio BALTIMORE, MD 298,543298.5k $97.3m $97.3m 1.50% —
45 UMB Bank, n.a. 1.56% of their portfolio Kansas City, MO 283,554283.6k $92.4m $92.4m 1.56% —
46 Sumitomo Mitsui Trust Group, Inc. 0.07% of their portfolio CHIYODA-KU, TOKYO, M0 266,415266.4k $86.8m $86.8m 0.07% —
47 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.13% of their portfolio BOSTON, MA 263,112263.1k $85.7m $85.7m 0.13% —
48 EVENTIDE ASSET MANAGEMENT, LLC 1.65% of their portfolio Boston, MA 257,538257.5k $83.9m $83.9m 1.65% —
49 DEUTSCHE BANK AG\ 0.05% of their portfolio FRANKFURT AM MAIN, 2M 245,946245.9k $80.1m $80.1m 0.05% —
50 Baird Financial Group, Inc. 0.22% of their portfolio MILWAUKEE, WI 233,890233.9k $76.2m $76.2m 0.22% —
51 Rock Springs Capital Management LP 1.89% of their portfolio Baltimore, MD 224,315224.3k $73.1m $73.1m 1.89% —
52 Champlain Investment Partners, LLC 0.50% of their portfolio BURLINGTON, VT 223,039223.0k $72.7m $72.7m 0.50% —
53 WESTFIELD CAPITAL MANAGEMENT CO LP 0.55% of their portfolio BOSTON, MA 213,484213.5k $69.6m $69.6m 0.55% —
54 J.P. Morgan Private Wealth Advisors LLC 0.18% of their portfolio SAN FRANCISCO, CA 209,593209.6k $68.3m $68.3m 0.18% —
55 Durable Capital Partners LP 0.74% of their portfolio Bethesda, MD 207,714207.7k $67.7m $67.7m 0.74% —
56 PRICE T ROWE ASSOCIATES INC /MD/ 0.01% of their portfolio BALTIMORE, MD 195,842195.8k $63.8m $63.8m 0.01% —
57 PUTNAM INVESTMENTS LLC 0.12% of their portfolio BOSTON, MA 187,482187.5k $61.1m $61.1m 0.12% —
58 CIBC Private Wealth Group LLC 0.16% of their portfolio ATLANTA, GA 186,270186.3k $60.7m $60.7m 0.16% —
59 California Public Employees Retirement System 0.06% of their portfolio Sacramento, CA 185,883185.9k $60.6m $60.6m 0.06% —
60 ROYAL BANK OF CANADA 0.02% of their portfolio TORONTO, A6 185,080185.1k $60.3m $60.3m 0.02% —
61 FIRST TRUST ADVISORS LP 0.08% of their portfolio Wheaton, IL 181,878181.9k $59.3m $59.3m 0.08% —
62 Manning & Napier Group, LLC 0.77% of their portfolio Fairport, NY 181,270181.3k $59.1m $59.1m 0.77% —
63 Welch & Forbes LLC 1.14% of their portfolio Boston, MA 178,531178.5k $58.2m $58.2m 1.14% —
64 EATON VANCE MANAGEMENT 0.09% of their portfolio BOSTON, MA 177,500177.5k $57.8m $57.8m 0.09% —
65 ENVESTNET ASSET MANAGEMENT INC 0.03% of their portfolio Berwyn, PA 168,868168.9k $55.0m $55.0m 0.03% —
66 AMERIPRISE FINANCIAL INC 0.02% of their portfolio MINNEAPOLIS, MN 162,465162.5k $53.3m $53.3m 0.02% —
67 Bank Julius Baer & Co. Ltd, Zurich 0.40% of their portfolio ZURICH, V8 161,330161.3k $52.6m $52.6m 0.40% —
68 Rathbones Group PLC 0.64% of their portfolio Liverpool, X0 160,190160.2k $52.2m $52.2m 0.64% —
69 Allianz Asset Management GmbH 0.12% of their portfolio MUNICH, 2M 159,634159.6k $52.0m $52.0m 0.12% —
70 RHUMBLINE ADVISERS 0.08% of their portfolio BOSTON, MA 156,256156.3k $50.9m $50.9m 0.08% —
71 National Pension Service 0.11% of their portfolio JEONJU-SI, JEOLLABUK-DO, M5 155,115155.1k $51.5m $51.5m 0.11% —
72 LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA 0.65% of their portfolio BOSTON, MA 153,079153.1k $49.9m $49.9m 0.65% —
73 ATLANTA CAPITAL MANAGEMENT CO L L C 0.22% of their portfolio ATLANTA, GA 149,879149.9k $48.8m $48.8m 0.22% —
74 FEDERATED HERMES, INC. 0.14% of their portfolio PITTSBURGH, PA 146,984147.0k $47.9m $47.9m 0.14% —
75 Railway Pension Investments Ltd 0.52% of their portfolio LONDON, X0 146,100146.1k $47.6m $47.6m 0.52% —
76 Bridgewater Associates, LP 0.24% of their portfolio Westport, CT 144,173144.2k $47.0m $47.0m 0.24% —
77 SEI INVESTMENTS CO 0.10% of their portfolio OAKS, PA 142,416142.4k $46.4m $46.4m 0.10% —
78 VICTORY CAPITAL MANAGEMENT INC 0.05% of their portfolio San Antonio, TX 140,790140.8k $45.9m $45.9m 0.05% —
79 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.08% of their portfolio WEST SACRAMENTO, CA 137,865137.9k $44.9m $44.9m 0.08% —
80 TimesSquare Capital Management, LLC 0.60% of their portfolio NEW YORK, NY 131,700131.7k $42.9m $42.9m 0.60% —
81 AXIOM INVESTORS LLC /DE 0.89% of their portfolio GREENWICH, CT 129,916129.9k $42.3m $42.3m 0.89% —
82 RIVERBRIDGE PARTNERS LLC 0.63% of their portfolio MINNEAPOLIS, MN 129,327129.3k $42.1m $42.1m 0.63% —
83 BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.15% of their portfolio Paris, I0 119,336119.3k $38.9m $38.9m 0.15% —
84 WELLS FARGO & COMPANY/MN 0.01% of their portfolio SAN FRANCISCO, CA 116,557116.6k $38.0m $38.0m 0.01% —
85 FRONTIER CAPITAL MANAGEMENT CO LLC 0.45% of their portfolio Boston, MA 116,544116.5k $38.0m $38.0m 0.45% —
86 Zurich Insurance Group Ltd/FI 0.58% of their portfolio ZURICH, V8 113,892113.9k $37.1m $37.1m 0.58% —
87 SCHRODER INVESTMENT MANAGEMENT GROUP 0.06% of their portfolio London, X0 112,280112.3k $36.6m $36.6m 0.06% —
88 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 0.12% of their portfolio LOS ANGELES, CA 109,179109.2k $35.6m $35.6m 0.12% —
89 Bellevue Group AG 0.51% of their portfolio ZURICH, V8 108,822108.8k $35.5m $35.5m 0.51% —
90 WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.14% of their portfolio CHICAGO, IL 107,646107.6k $35.1m $35.1m 0.14% —
91 Stephens Investment Management Group LLC 0.66% of their portfolio LITTLE ROCK, AR 106,612106.6k $34.7m $34.7m 0.66% —
92 NEW YORK STATE COMMON RETIREMENT FUND 0.05% of their portfolio ALBANY, NY 103,375103.4k $33.7m $33.7m 0.05% —
93 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.09% of their portfolio TALLAHASSEE, FL 102,331102.3k $33.3m $33.3m 0.09% —
94 VILLERE ST DENIS J & CO LLC 2.63% of their portfolio New Orleans, LA 101,403101.4k $33.0m $33.0m 2.63% —
95 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.09% of their portfolio ALBANY, NY 101,214101.2k $33.0m $33.0m 0.09% —
96 HSBC HOLDINGS PLC 0.06% of their portfolio LONDON, X0 100,868100.9k $33.2m $33.2m 0.06% —
97 EAGLE ASSET MANAGEMENT INC 0.21% of their portfolio ST PETERSBURG, FL 98,39898.4k $32.1m $32.1m 0.21% —
98 DAVIS R M INC 0.93% of their portfolio PORTLAND, ME 98,11698.1k $32.0m $32.0m 0.93% —
99 BEACON INVESTMENT ADVISORY SERVICES, INC. 1.76% of their portfolio MORRISTOWN, NJ 98,04498.0k $31.9m $31.9m 1.76% —
100 AXA S.A. 0.06% of their portfolio PARIS, I0 97,06097.1k $31.6m $31.6m 0.06% —