WESTBROOK, ME
IDEXX LABORATORIES INC /DEIDXX— Latest position per institution from SEC 13F filings
15
Institutional holders
59.40M
Total shares held
32.30B
Estimated value
2.97M
Avg. position size
VANGUARD GROUP INC
CIK 102909
Shares
9.95M
Value
6.73B
Filed
Dec 31, 2025
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
9.60M
Value
4.68B
Filed
Jun 30, 2024
BLACKROCK, INC.
CIK 2012383
Shares
8.17M
Value
4.30B
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
5.15M
Value
2.71B
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
3.90M
Value
2.05B
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
3.75M
Value
1.97B
Filed
Jun 30, 2026
INVESCO LTD.
CIK 914208
Shares
3.61M
Value
1.90B
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
2.56M
Value
1.35B
Filed
Jun 30, 2026
BAMCO INC /NY/
CIK 1017918
Shares
1.98M
Value
1.04B
Filed
Jun 30, 2026
MORGAN STANLEY
CIK 895421
Shares
1.36M
Value
713.91M
Filed
Jun 30, 2026
BANK OF NEW YORK MELLON CORP
CIK 1390777
Shares
1.19M
Value
628.22M
Filed
Jun 30, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
1.07M
Value
561.75M
Filed
Jun 30, 2026
FUNDSMITH LLP
CIK 1569205
Shares
1.02M
Value
536.91M
Filed
Jun 30, 2026
GQG PARTNERS LLC
CIK 1697233
Shares
931.89K
Value
407.49M
Filed
Sep 30, 2023
BLAIR WILLIAM & CO/IL
CIK 902367
Shares
918.56K
Value
483.56M
Filed
Jun 30, 2026
NORTHERN TRUST CORP
CIK 73124
Shares
918.14K
Value
483.34M
Filed
Jun 30, 2026
UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC
CIK 861177
Shares
911.49K
Value
479.84M
Filed
Jun 30, 2026
FMR LLC
CIK 315066
Shares
822.64K
Value
433.07M
Filed
Jun 30, 2026
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
808.36K
Value
425.55M
Filed
Jun 30, 2026
CAPITAL RESEARCH GLOBAL INVESTORS
CIK 1422848
Shares
789.11K
Value
415.47M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | 102909 | 9.95M | 6.73B | Dec 31, 2025 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 9.60M | 4.68B | Jun 30, 2024 |
| 3 | BLACKROCK, INC. | 2012383 | 8.17M | 4.30B | Jun 30, 2026 |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 5.15M | 2.71B | Jun 30, 2026 |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 3.90M | 2.05B | Jun 30, 2026 |
| 6 | STATE STREET CORP | 93751 | 3.75M | 1.97B | Jun 30, 2026 |
| 7 | INVESCO LTD. | 914208 | 3.61M | 1.90B | Jun 30, 2026 |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 2.56M | 1.35B | Jun 30, 2026 |
| 9 | BAMCO INC /NY/ | 1017918 | 1.98M | 1.04B | Jun 30, 2026 |
| 10 | MORGAN STANLEY | 895421 | 1.36M | 713.91M | Jun 30, 2026 |
| 11 | BANK OF NEW YORK MELLON CORP | 1390777 | 1.19M | 628.22M | Jun 30, 2026 |
| 12 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 1.07M | 561.75M | Jun 30, 2026 |
| 13 | FUNDSMITH LLP | 1569205 | 1.02M | 536.91M | Jun 30, 2026 |
| 14 | GQG PARTNERS LLC | 1697233 | 931.89K | 407.49M | Sep 30, 2023 |
| 15 | BLAIR WILLIAM & CO/IL | 902367 | 918.56K | 483.56M | Jun 30, 2026 |
| 16 | NORTHERN TRUST CORP | 73124 | 918.14K | 483.34M | Jun 30, 2026 |
| 17 | UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC | 861177 | 911.49K | 479.84M | Jun 30, 2026 |
| 18 | FMR LLC | 315066 | 822.64K | 433.07M | Jun 30, 2026 |
| 19 | AMERICAN CENTURY COMPANIES INC | 748054 | 808.36K | 425.55M | Jun 30, 2026 |
| 20 | CAPITAL RESEARCH GLOBAL INVESTORS | 1422848 | 789.11K | 415.47M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.