David Shaw’s Quest Diagnostics DGX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2020
Q4
Sell
-4,100
Closed -$469K 3961
2020
Q3
$469K Hold
4,100
﹤0.01% 3260
2020
Q2
$467K Buy
+4,100
New +$435K ﹤0.01% 3410
2017
Q4
Sell
-5,300
Closed -$496K 3591
2017
Q3
$496K Buy
+5,300
New +$563K ﹤0.01% 2912

Other funds holding DGX

David Shaw's DGX Position: Q2 2026 in Review

David Shaw reduced its Quest Diagnostics (DGX) stake by 97% in Q2 2026, selling an estimated $28M and leaving 4,814 shares worth $1.02M. The position accounts for ﹤0.01% of the portfolio, ranked #3734.

David Shaw first reported a position in DGX in Q4 2013 and has held it in 44 quarters since. The position peaked at $66.5M in Q4 2021. 1,100 funds tracked by Wall St. Rank hold DGX as of Q2 2026.

  • David Shaw held 4,814 shares of Quest Diagnostics worth $1.02M as of Q2 2026.
  • David Shaw sold 142,913 Quest Diagnostics shares in Q2 2026, an estimated $28M.
  • Quest Diagnostics made up ﹤0.01% of David Shaw's portfolio in Q2 2026, its #3734 holding.
  • David Shaw first reported a position in Quest Diagnostics in Q4 2013 and has held it in 44 quarters since.
  • David Shaw's Quest Diagnostics position peaked at $66.5M in Q4 2021.
  • 1,100 funds tracked by Wall St. Rank held Quest Diagnostics as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.