IDEXX Laboratories Inc. 13F holders
Of the 44 funds followed here, 13 reported a position in IDEXX Laboratories Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 2.6 million shares worth $1.35 billion, 0.1% of its reported book. New this quarter: Baillie Gifford.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 2,562,886 | $1.35 billion | 0.1% | -98,113 | trimmed | 30 June 2026 | 13F |
| FMR LLC | 822,643 | $433.1 million | 0.0% | +539,667 | added | 30 June 2026 | 13F |
| Capital Research Global Investors | 789,111 | $415.5 million | 0.1% | +7,766 | added | 30 June 2026 | 13F |
| Alyeska | 401,082 | $211.1 million | 0.5% | +197,808 | added | 30 June 2026 | 13F |
| Norges Bank | 353,944 | $186.3 million | 0.0% | held | 30 June 2026 | 13F | |
| Baillie Gifford | 353,797 | $186.3 million | 0.2% | +353,797 | new | 30 June 2026 | 13F |
| Point72 Asset Management | 264,005 | $139.0 million | 0.2% | +134,721 | added | 30 June 2026 | 13F |
| Renaissance Technologies | 109,784 | $57.8 million | 0.1% | +61,280 | added | 30 June 2026 | 13F |
| Millennium Management | 97,080 | $51.1 million | 0.0% | -9,966 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 67,246 | $35.4 million | 0.0% | -61,620 | trimmed | 30 June 2026 | 13F |
| Bridgewater Associates | 33,528 | $17.7 million | 0.1% | +23,214 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 1,020 | $536,969 | 0.0% | +79 | added | 30 June 2026 | 13F |
| Harris Associates | 455 | $239,530 | 0.0% | -27 | trimmed | 30 June 2026 | 13F |
Value is what the fund reported. Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.
Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 30 April 2026 | 13G | Vanguard Capital Management and 1 other | 6.0 million | 7.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder. Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.
Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 28 August 2026 | 47 | $545.08 | SEC |
| 20 August 2026 | 3 | $562.20 | SEC |
| 7 August 2026 | 168 | $590.00 | SEC |
| 3 August 2026 | 381 | $559.07 | SEC |
| 28 July 2026 | 14,233 | $556.20 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period. Largest in the window: 14,233 on 28 July 2026. A fail is an operational fact about settlement, not a position.
Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to IDXX by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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