QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025
Shares 93,217 Value ($000) $16,176 Avg Close $182.07 Range $173.39 - $197.55
Q3 2025
Shares 557,155 Value ($000) $106,183 Avg Close $176.64 Range $163.92 - $190.64
Q2 2025
Shares 205,083 Value ($000) $36,839 Avg Close $172.09 Range $155.80 - $180.75
Q1 2025
Shares 483,287 Value ($000) $81,772 Avg Close $161.93 Range $146.66 - $176.41
Q4 2024
Shares 796,081 Value ($000) $120,097 Avg Close $152.61 Range $143.46 - $162.25
Q3 2024
Shares 1,000,665 Value ($000) $155,353 Avg Close $145.81 Range $132.40 - $155.63
Q2 2024
Shares 189,025 Value ($000) $25,874 Avg Close $132.98 Range $121.83 - $141.45
Q1 2024
Shares 586,199 Value ($000) $78,029 Avg Close $125.21 Range $118.84 - $138.00
Q4 2023
Shares 168,337 Value ($000) $23,210 Avg Close $126.28 Range $114.23 - $136.42
Q3 2023
Shares 1,989 Value ($000) $242 Avg Close $127.23 Range $116.28 - $139.06
Q1 2023
Shares 19,827 Value ($000) $2,805 Avg Close $135.20 Range $123.25 - $148.14
Q4 2022
Shares 110,222 Value ($000) $17,243 Avg Close $135.28 Range $114.90 - $149.06
Q3 2022
Shares 23,885 Value ($000) $2,931 Avg Close $123.30 Range $112.74 - $133.75
Q2 2022
Shares 16,800 Value ($000) $2,234 Avg Close $126.95 Range $116.79 - $135.49
Q1 2022
Shares 47,791 Value ($000) $6,541 Avg Close $129.14 Range $116.62 - $159.25
Q4 2021
Shares 38,402 Value ($000) $6,643 Avg Close $140.46 Range $128.33 - $160.79
Q3 2021
Shares 96,394 Value ($000) $14,008 Avg Close $134.48 Range $120.64 - $147.59
Q2 2021
Shares 95,572 Value ($000) $12,612 Avg Close $119.77 Range $115.00 - $130.65
Q1 2021
Shares 33,744 Value ($000) $4,331 Avg Close $112.12 Range $103.22 - $122.67
Q4 2020
Shares 61,302 Value ($000) $7,305 Avg Close $110.49 Range $98.77 - $118.60
Q2 2020
Shares 160,517 Value ($000) $18,292 Avg Close $95.20 Range $65.05 - $112.22
Q1 2020
Shares 657,205 Value ($000) $52,774 Avg Close $92.18 Range $65.22 - $105.64
Q4 2019
Shares 706,340 Value ($000) $75,430 Avg Close $92.43 Range $88.27 - $96.58
Q3 2019
Shares 767,649 Value ($000) $82,161 Avg Close $90.53 Range $85.50 - $95.23
Q2 2019
Shares 271,530 Value ($000) $27,644 Avg Close $84.30 Range $73.99 - $89.95
Q1 2019
Shares 245,614 Value ($000) $22,085 Avg Close $75.54 Range $69.30 - $79.02
Q4 2018
Shares 483,659 Value ($000) $40,274 Avg Close $81.26 Range $68.45 - $93.85
Q3 2018
Shares 1,525,559 Value ($000) $164,623 Avg Close $94.62 Range $90.13 - $99.79
Q2 2018
Shares 743,856 Value ($000) $81,780 Avg Close $89.48 Range $82.55 - $100.07
Q1 2018
Shares 36,923 Value ($000) $3,703 Avg Close $87.50 Range $81.42 - $92.99
Q4 2017
Shares 13,276 Value ($000) $1,308 Avg Close $80.65 Range $76.65 - $87.31
Q3 2017
Shares 7,352 Value ($000) $691 Avg Close $89.87 Range $77.62 - $95.26
Q2 2017
Shares 17,659 Value ($000) $1,960 Avg Close $89.16 Range $81.72 - $94.33
Q1 2017
Shares 17,482 Value ($000) $1,713 Avg Close $80.00 Range $75.65 - $83.94
Q4 2016
Shares 928,386 Value ($000) $85,319 Avg Close $71.99 Range $66.09 - $78.16
Q3 2016
Shares 923,120 Value ($000) $78,124 Avg Close $69.82 Range $66.73 - $72.20
Q2 2016
Shares 595,601 Value ($000) $48,488 Avg Close $62.99 Range $58.34 - $67.34