$IDXX is held by 23 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 1.19%, with an average of 0.20% of portfolio. Largest holder: Bellevue Group AG at 1.19%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.
IDEXX LABS INC
13F holders
1,301
Net 13F flow · Q
—
Insider buys · 90d
0
Insider net · 90d
—
Congress · 90d
0
Convergence
—
Institutional holders
Top 10 of 1,301 · Source: 13F-HR01
Axa S.a.
—
—
02
State Street
—
—
03
Court Place Advisors, LLC
—
—
04
Banyan Capital Management, Inc.
—
—
05
Thompson Davis & Co. Inc.
—
—
06
Augustine Asset Management Inc.
—
—
07
Cobblestone Capital Advisors LLC
—
—
08
RE Dickinson Investment Advisors, LLC
—
—
09
Vector Capital Management, L.P.
—
—
10
US Bancorp De
—
—
Each fund name links to that filer's expert page. Share counts and per-fund weights are pending the 13F ingest fix (portfolios_expertholding.units is currently mis-populated — see the same caveat on the fund detail page's holdings table). Quarter-over-quarter delta ships with the metrics pipeline.
Smart Money · top-200 alpha cohort
23 holders · Q1 202601
Bellevue Group AG
1.19% held
α +12.2pts
02
Bradley Foster & Sargent INC
0.91% NEW
α +11.1pts
03
Sandler Capital Management
0.57% held
α +12.8pts
04
Platinum Investment Management Ltd.
0.42% NEW
α +25.6pts
05
D L Carlson Investment Group Inc.
0.38% held
α +17.7pts
06
Svb Wealth LLC
0.27% held
α +29.6pts
07
Pittenger & Anderson Inc.
0.23% NEW
α +21.3pts
08
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
0.10% NEW
α +27.5pts
09
New Age Alpha Advisors, LLC
0.09% held
α +10.8pts
10
Wellington Management Group LLP
0.08% held
α +10.5pts
11
Nisa Investment Advisors, LLC
0.07% held
α +16.6pts
12
WINTON GROUP Ltd
0.04% held
α +27.0pts
13
Johnson Financial Group, Inc.
0.03% held
α +14.7pts
14
Citigroup Inc.
0.03% held
α +26.3pts
15
Choate Investment Advisors
0.03% held
α +13.8pts
16
Principal Securities, Inc.
0.02% held
α +21.3pts
17
Cacti Asset Management LLC
0.02% held
α +12.7pts
18
Erste Asset Management GmbH
0.02% held
α +33.4pts
19
RFG Advisory, LLC
0.01% held
α +16.2pts
20
Banco Santander, S.A.
0.01% held
α +12.6pts
21
Eventide Asset Management, LLC
0.01% held
α +22.5pts
22
Banque Pictet & Cie SA
0.01% held
α +10.3pts
23
Knightsbridge Asset Management, LLC
0.00% held
α +24.2pts
Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.
Insider activity · last 90 days
37 transactions · 9 filersTransaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.
Congress trades · last 90 days
13 disclosures · STOCK ActConvergence · Pattern Engine ships in v1.1
30-day windowIn development
Convergence detection for $IDXX lands with the Pattern Engine.
Once the Pattern Engine ships, this section will surface every active convergence event involving $IDXX — the institutional managers and Congress members on the same name, the 30-day window, and the combined position size.
Source data: SEC EDGAR · 13F-HR · Form 4 · CapitolTrades · Last refreshed 12:25 UTC.