IDXX
Idexx Laboratories Inc ·
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52-week range
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Idexx Laboratories Inc (IDXX) is held by 11 tracked hedge fund(s) and traded by 1 member(s) of Congress. Largest tracked holder: BAMCO INC /NY/.
| Fund | % of portfolio | Shares | Value | Latest activity | Avg buy price | Date |
|---|---|---|---|---|---|---|
| BAMCO INC /NY/ Ron Baron |
2.8% | 1.6M | $918M | ▼ 9.2% (−165K) | $494.53 | 2026-03-31 |
| Fundsmith LLP Fundsmith LLP |
6.4% | 1.5M | $824M | ▼ 22% (−410K) | $500.02 | 2026-03-31 |
| POLEN CAPITAL MANAGEMENT LLC Dan Davidowitz |
2.7% | 696K | $391M | ▼ 28% (−265K) | $536.34 | 2026-03-31 |
| AustralianSuper Pty Ltd AustralianSuper Pty Ltd |
1.3% | 443K | $249M | ▲ 48% (+143K) | $626.79 | 2026-03-31 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
0.7% | 352K | $198M | ▼ 20% (−90K) | $430.85 | 2026-03-31 |
| MONTRUSCO BOLTON INVESTMENTS INC. MONTRUSCO BOLTON INVESTMENTS INC. |
2.8% | 342K | $187M | ▲ 93% (+165K) | $507.13 | 2026-03-31 |
| Railway Pension Investments Ltd Railway Pension Investments Ltd |
2.0% | 256K | $144M | ▼ 21% (−70K) | $570.95 | 2026-03-31 |
| CONGRESS ASSET MANAGEMENT CO CONGRESS ASSET MANAGEMENT CO |
0.7% | 167K | $94M | ▲ 8.3% (+13K) | $666.11 | 2026-03-31 |
| Welch & Forbes LLC Welch & Forbes LLC |
1.2% | 168K | $94M | — | $499.87 | 2026-03-31 |
| DAVIS R M INC DAVIS R M INC |
0.9% | 92K | $52M | ▼ 1.6% (−2K) | $500.10 | 2026-03-31 |
| Aware Super Pty Ltd as trustee of Aware Super Aware Super Pty Ltd as trustee of Aware Super |
0.5% | 61K | $34M | ▼ 2.6% (−2K) | $519.02 | 2026-03-31 |
FAQ ▾
Which hedge funds hold IDXX?
Tracked holders include: BAMCO INC /NY/, Fundsmith LLP, POLEN CAPITAL MANAGEMENT LLC, AustralianSuper Pty Ltd.
How much smart money owns IDXX?
11 tracked hedge fund(s) and 1 member(s) of Congress have disclosed positions.
Are members of Congress trading IDXX?
Yes — 1 member(s) have disclosed IDXX trades. See the Congress tab.
Where does this data come from?
SEC 13F filings (funds), Form 4 (insiders) and STOCK Act reports (Congress).
Sourced from SEC 13F, Form 4 & STOCK Act filings · Not investment advice ▾
Ownership from SEC filings; price from market data.
Published by WealthFile · Not investment advice.