Jeremy Grantham's IDXX Position Overview
Jeremy Grantham (via Grantham, Mayo, Van Otterloo & Co. LLC) currently holds 1,485 shares of IDEXX Laboratories, Inc. (IDXX) worth $948,752, representing 0.00% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 50 quarters.
Based on 13F filings since 2013, Jeremy Grantham has maintained a long-term strategic position in IDXX, representing a significant commitment to this investment thesis. Largest addition occurred in Q3 2014, adding 49,612 shares. Largest reduction occurred in Q3 2025, reducing 57,315 shares.
Analysis based on 13F filings available since 2013 Q2
Jeremy Grantham's IDEXX Laboratories (IDXX) Holding Value Over Time
Track share changes against reported price movement
Quarterly IDEXX Laboratories (IDXX) Trades by Jeremy Grantham
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2013 | +93,382 | Add 0.00% | 93,380 | $44.89 |
| Q3 2013 | -13,600 | Reduce 14.56% | 79,780 | $49.82 |
| Q4 2013 | -4,934 | Reduce 6.18% | 74,846 | $53.19 |
| Q1 2014 | -21,446 | Reduce 28.65% | 53,400 | $60.69 |
| Q2 2014 | -2,200 | Reduce 4.12% | 51,200 | $66.78 |
| Q3 2014 | +49,612 | Add 96.90% | 100,812 | $58.91 |
| Q4 2014 | -17,212 | Reduce 17.07% | 83,600 | $74.14 |
| Q1 2015 | -24,800 | Reduce 29.67% | 58,800 | $77.24 |
| Q3 2015 | -58,800 | Sold Out | 58,800 | $0.00 |
| Q3 2025 | +1,485 | New Buy | 1,485 | $638.89 |
Jeremy Grantham's IDEXX Laboratories Investment FAQs
Jeremy Grantham first purchased IDEXX Laboratories, Inc. (IDXX) in Q2 2013, acquiring 93,380 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Jeremy Grantham has held IDEXX Laboratories, Inc. (IDXX) for 50 quarters since Q2 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Jeremy Grantham's largest addition to IDEXX Laboratories, Inc. (IDXX) was in Q2 2013, adding 93,380 shares worth $4.19 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Jeremy Grantham's firm, Grantham, Mayo, Van Otterloo & Co. LLC, owns 1,485 shares of IDEXX Laboratories, Inc. (IDXX), valued at approximately $948,752. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, IDEXX Laboratories, Inc. (IDXX) represents approximately 0.00% of Jeremy Grantham's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Jeremy Grantham's peak holding in IDEXX Laboratories, Inc. (IDXX) was 100,812 shares, as reported at the end of Q3 2014. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.