← Top Holdings

IDXXIDEXX LABS INC

CUSIP: 45168D104

9

Guru Owners

$911.6M

Total Value Held

1.7M

Total Shares

Who owns IDXX? Full holder list and ownership history →

📊 Holdings Over Time

How superinvestor ownership has changed across quarters

$0$608.8M$1.22B$1.83B$2.44BQ2 '23Q4 '23Q2 '24Q4 '24Q2 '25Q4 '25Q2 '26

Quarter-by-Quarter Activity

Q2 '269 owners · $911.6M
REDUCEDTerry Smith$536.9M
REDUCEDPolen Capital$280.3M
INCREASEDRay Dalio$17.7M
REDUCEDWally Obermeyer$1.0M
REDUCEDBill Nygren$240K
REDUCEDFPA Queens Road$201K
Q1 '269 owners · $1.24B
REDUCEDTerry Smith$823.6M
REDUCEDPolen Capital$391.0M
REDUCEDRay Dalio$5.8M
REDUCEDMairs & Power$1.2M
REDUCEDWally Obermeyer$1.1M
INCREASEDBill Nygren$271K
INCREASEDFPA Queens Road$216K
Q4 '259 owners · $1.95B
REDUCEDTerry Smith$1.27B
INCREASEDPolen Capital$649.8M
REDUCEDWallace Weitz$23.9M
REDUCEDRay Dalio$4.2M
REDUCEDMairs & Power$1.4M
REDUCEDWally Obermeyer$1.4M
Q3 '259 owners · $2.44B
REDUCEDTerry Smith$1.67B
REDUCEDPolen Capital$720.1M
REDUCEDWallace Weitz$36.3M
INCREASEDRay Dalio$4.7M
REDUCEDWally Obermeyer$1.4M
REDUCEDMairs & Power$1.4M
NEWBill Nygren$291K
REDUCEDFPA Queens Road$244K
Q2 '258 owners · $2.10B
REDUCEDTerry Smith$1.42B
NEWPolen Capital$641.2M
REDUCEDRay Dalio$1.4M
REDUCEDWally Obermeyer$1.2M
REDUCEDMairs & Power$1.2M
Q1 '257 owners · $1.30B
REDUCEDTerry Smith$1.11B
NEWWallace Weitz$25.3M
REDUCEDRay Dalio$1.4M
REDUCEDWally Obermeyer$1.0M
REDUCEDMairs & Power$968K

🏛️ Congressional Trades

IDXX: Held by 9 superinvestors · 26 congress member trades

$1,001 - $15,0002026-01-13
$1,001 - $15,0002026-01-13
$1,001 - $15,0002025-12-02
$1,001 - $15,0002025-10-29
$1,001 - $15,0002025-10-16
$1,001 - $15,0002025-10-07
$1,001 - $15,0002025-09-04
$1,001 - $15,0002025-08-07
$1,001 - $15,0002025-08-04
$1,001 - $15,0002025-08-01
$1,001 - $15,0002025-07-09
$1,001 - $15,0002025-05-15
$100,001 - $250,0002025-05-12
$1,001 - $15,0002025-04-23
$1,001 - $15,0002025-04-09
$1,001 - $15,0002025-04-08
$1,001 - $15,0002025-04-07
$50,001 - $100,0002025-04-07
$1,001 - $15,0002025-04-04
$1,001 - $15,0002025-04-01