QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 4,958 Value ($000) $860 Avg Close $182.07 Range $173.39 - $197.55
Q3 2025
Shares 811 Value ($000) $0 Avg Close $176.64 Range $163.92 - $190.64
Q1 2025
Shares 5,259 Value ($000) $1 Avg Close $161.93 Range $146.66 - $176.41
Q4 2024
Shares 1,088 Value ($000) $0 Avg Close $152.61 Range $143.46 - $162.25
Q1 2024
Shares 14,148 Value ($000) $2 Avg Close $125.21 Range $118.84 - $138.00
Q1 2023
Shares 3,271 Value ($000) $0 Avg Close $135.20 Range $123.25 - $148.14
Q2 2022
Shares 1,437 Value ($000) $191 Avg Close $126.95 Range $116.79 - $135.49
Q1 2022
Shares 8,374 Value ($000) $1,146 Avg Close $129.14 Range $116.62 - $159.25
Q2 2021
Shares 561 Value ($000) $74 Avg Close $119.77 Range $115.00 - $130.65
Q1 2021
Shares 55 Value ($000) $7 Avg Close $112.12 Range $103.22 - $122.67
Q2 2020
Shares 385 Value ($000) $43 Avg Close $95.20 Range $65.05 - $112.22
Q1 2020
Shares 19,467 Value ($000) $1,563 Avg Close $92.18 Range $65.22 - $105.64
Q4 2019
Shares 15,811 Value ($000) $1,688 Avg Close $92.43 Range $88.27 - $96.58
Q3 2019
Shares 5,324 Value ($000) $569 Avg Close $90.53 Range $85.50 - $95.23
Q1 2019
Shares 19,497 Value ($000) $1,753 Avg Close $75.54 Range $69.30 - $79.02
Q4 2018
Shares 1,593 Value ($000) $132 Avg Close $81.26 Range $68.45 - $93.85
Q2 2018
Shares 1,230 Value ($000) $135 Avg Close $89.48 Range $82.55 - $100.07
Q1 2018
Shares 3,256 Value ($000) $326 Avg Close $87.50 Range $81.42 - $92.99
Q2 2017
Shares 1,465 Value ($000) $162 Avg Close $89.16 Range $81.72 - $94.33
Q4 2016
Shares 3,233 Value ($000) $297 Avg Close $71.99 Range $66.09 - $78.16
Q4 2015
Shares 198 Value ($000) $14 Avg Close $54.99 Range $49.21 - $59.25
Q3 2015
Shares 843 Value ($000) $51 Avg Close $56.82 Range $48.84 - $61.18