Jeremy Grantham's DGX Position Overview
Jeremy Grantham (via Grantham, Mayo, Van Otterloo & Co. LLC) currently holds 1.88 M shares of Quest Diagnostics Incorporated (DGX) worth $369.04 M, representing 0.94% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 38 quarters.
Based on 13F filings, Jeremy Grantham has maintained a strategic position in DGX, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2020, adding 1.37 M shares. Largest reduction occurred in Q4 2013, reducing 1.09 M shares.
Analysis based on 13F filings available since 2013 Q2
Jeremy Grantham's Quest Diagnostics Incorporated (DGX) Holding Value Over Time
Track share changes against reported price movement
Quarterly Quest Diagnostics Incorporated (DGX) Trades by Jeremy Grantham
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +66,964 | Add 3.69% | 1.88 M | $195.98 |
| Q4 2025 | +69,660 | Add 3.99% | 1.82 M | $173.53 |
| Q3 2025 | -1,552 | Reduce 0.09% | 1.75 M | $190.58 |
| Q2 2025 | -258,593 | Reduce 12.89% | 1.75 M | $179.63 |
| Q1 2025 | -262,445 | Reduce 11.57% | 2.01 M | $169.20 |
| Q4 2024 | +26,214 | Add 1.17% | 2.27 M | $150.86 |
| Q3 2024 | +114,055 | Add 5.36% | 2.24 M | $155.25 |
| Q2 2024 | +85,466 | Add 4.18% | 2.13 M | $136.88 |
| Q1 2024 | +338,108 | Add 19.83% | 2.04 M | $133.11 |
| Q4 2023 | +68,740 | Add 4.20% | 1.71 M | $137.88 |
| Q3 2023 | +38,041 | Add 2.38% | 1.64 M | $121.86 |
| Q2 2023 | +100,333 | Add 6.70% | 1.6 M | $140.56 |
| Q1 2023 | +14,800 | Add 1.00% | 1.5 M | $141.48 |
| Q4 2022 | -215,400 | Reduce 12.68% | 1.48 M | $156.44 |
| Q3 2022 | -36,962 | Reduce 2.13% | 1.7 M | $122.69 |
| Q2 2022 | -34,160 | Reduce 1.93% | 1.74 M | $132.98 |
| Q1 2022 | -9,169 | Reduce 0.52% | 1.77 M | $136.86 |
| Q4 2021 | +5,569 | Add 0.31% | 1.78 M | $173.01 |
| Q3 2021 | +57,258 | Add 3.34% | 1.77 M | $145.31 |
| Q2 2021 | +176,742 | Add 11.48% | 1.72 M | $131.97 |
| Q1 2021 | -11,859 | Reduce 0.76% | 1.54 M | $128.34 |
| Q4 2020 | +299 | Add 0.02% | 1.55 M | $119.17 |
| Q3 2020 | -117,088 | Reduce 7.02% | 1.55 M | $114.49 |
| Q2 2020 | +294,903 | Add 21.48% | 1.67 M | $113.96 |
| Q1 2020 | +1.37 M | New Buy | 1.37 M | $80.30 |
| Q4 2018 | -2,300 | Sold Out | 0 | $0.00 |
| Q1 2018 | -1,500 | Reduce 39.47% | 2,300 | $100.43 |
| Q4 2017 | -700 | Reduce 15.56% | 3,800 | $98.42 |
| Q3 2017 | +1,700 | Add 60.71% | 4,500 | $93.56 |
| Q2 2017 | +100 | Add 3.70% | 2,800 | $111.07 |
| Q1 2017 | +2,700 | New Buy | 2,700 | $98.15 |
| Q2 2014 | -91,500 | Sold Out | 0 | $0.00 |
| Q1 2014 | -285,508 | Reduce 75.73% | 91,500 | $57.92 |
| Q4 2013 | -1.09 M | Reduce 74.28% | 377,008 | $53.54 |
| Q3 2013 | -382,100 | Reduce 20.67% | 1.47 M | $61.79 |
| Q2 2013 | +1.85 M | Add 0.00% | 1.85 M | $60.63 |
Jeremy Grantham's Quest Diagnostics Incorporated Investment FAQs
Jeremy Grantham first purchased Quest Diagnostics Incorporated (DGX) in Q2 2013, acquiring 1,848,142 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 Quest Diagnostics Incorporated (DGX) for 38 quarters since Q2 2013.
Jeremy Grantham's largest addition to Quest Diagnostics Incorporated (DGX) was in Q2 2013, adding 1,848,142 shares worth $112.05 M.
According to the latest 13F filing for Q1 2026, Jeremy Grantham's firm, Grantham, Mayo, Van Otterloo & Co. LLC, owns 1,883,024 shares of Quest Diagnostics Incorporated (DGX), valued at approximately $369.04 M.
As of the Q1 2026 filing, Quest Diagnostics Incorporated (DGX) represents approximately 0.94% of Jeremy Grantham's publicly disclosed stock portfolio, making it one of their key holdings.
Jeremy Grantham's peak holding in Quest Diagnostics Incorporated (DGX) was 2,268,990 shares, as reported at the end of Q4 2024.