QUEST DIAGNOSTICS INC

Ticker: DGX CUSIP: 74834L100 Class: COMMON STOCK

FIDUCIARY MANAGEMENT INC /WI/'s Holding History (CIK: 0000764532)

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

Q4 2025

Shares 1,046,921 Value ($000) $181,672 Avg Close $182.07 Range $173.39 - $197.55

Q3 2025

Shares 1,147,534 Value ($000) $218,697 Avg Close $176.64 Range $163.92 - $190.64

Q2 2025

Shares 1,185,318 Value ($000) $212,919 Avg Close $172.09 Range $155.80 - $180.75

Q1 2025

Shares 1,251,402 Value ($000) $211,737 Avg Close $161.93 Range $146.66 - $176.41

Q4 2024

Shares 1,302,700 Value ($000) $196,525 Avg Close $152.61 Range $143.46 - $162.25

Q3 2024

Shares 1,386,777 Value ($000) $215,297 Avg Close $145.81 Range $132.40 - $155.63

Q2 2024

Shares 1,426,655 Value ($000) $195,281 Avg Close $132.98 Range $121.83 - $141.45

Q1 2024

Shares 1,498,609 Value ($000) $199,480 Avg Close $125.21 Range $118.84 - $138.00

Q1 2022

Shares 1,646,275 Value ($000) $225,309 Avg Close $129.14 Range $116.62 - $159.25

Q4 2021

Shares 2,385,478 Value ($000) $412,712 Avg Close $140.46 Range $128.33 - $160.79

Q3 2021

Shares 3,386,134 Value ($000) $492,039 Avg Close $134.48 Range $120.64 - $147.59

Q2 2021

Shares 3,413,825 Value ($000) $450,522 Avg Close $119.77 Range $115.00 - $130.65

Q1 2021

Shares 3,513,846 Value ($000) $450,967 Avg Close $112.12 Range $103.22 - $122.67

Q4 2020

Shares 3,634,203 Value ($000) $433,088 Avg Close $110.49 Range $98.77 - $118.60

Q3 2020

Shares 3,907,349 Value ($000) $447,352 Avg Close $106.55 Range $93.90 - $118.90

Q2 2020

Shares 4,100,941 Value ($000) $467,343 Avg Close $95.20 Range $65.05 - $112.22

Q1 2020

Shares 4,658,167 Value ($000) $374,051 Avg Close $92.18 Range $65.22 - $105.64

Q4 2019

Shares 4,590,042 Value ($000) $490,171 Avg Close $92.43 Range $88.27 - $96.58

Q3 2019

Shares 4,711,630 Value ($000) $504,286 Avg Close $90.53 Range $85.50 - $95.23

Q2 2019

Shares 4,389,025 Value ($000) $446,847 Avg Close $84.30 Range $73.99 - $89.95

Q1 2019

Shares 4,198,514 Value ($000) $377,530 Avg Close $75.54 Range $69.30 - $79.02

Q4 2018

Shares 4,214,683 Value ($000) $350,957 Avg Close $81.26 Range $68.45 - $93.85

Q3 2018

Shares 4,094,626 Value ($000) $441,851 Avg Close $94.62 Range $90.13 - $99.79

Q2 2018

Shares 4,238,750 Value ($000) $466,008 Avg Close $89.48 Range $82.55 - $100.07

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,046,921	$181,672	$182.07	$173.39 - $197.55
Q3 2025	1,147,534	$218,697	$176.64	$163.92 - $190.64
Q2 2025	1,185,318	$212,919	$172.09	$155.80 - $180.75
Q1 2025	1,251,402	$211,737	$161.93	$146.66 - $176.41
Q4 2024	1,302,700	$196,525	$152.61	$143.46 - $162.25
Q3 2024	1,386,777	$215,297	$145.81	$132.40 - $155.63
Q2 2024	1,426,655	$195,281	$132.98	$121.83 - $141.45
Q1 2024	1,498,609	$199,480	$125.21	$118.84 - $138.00
Q1 2022	1,646,275	$225,309	$129.14	$116.62 - $159.25
Q4 2021	2,385,478	$412,712	$140.46	$128.33 - $160.79
Q3 2021	3,386,134	$492,039	$134.48	$120.64 - $147.59
Q2 2021	3,413,825	$450,522	$119.77	$115.00 - $130.65
Q1 2021	3,513,846	$450,967	$112.12	$103.22 - $122.67
Q4 2020	3,634,203	$433,088	$110.49	$98.77 - $118.60
Q3 2020	3,907,349	$447,352	$106.55	$93.90 - $118.90
Q2 2020	4,100,941	$467,343	$95.20	$65.05 - $112.22
Q1 2020	4,658,167	$374,051	$92.18	$65.22 - $105.64
Q4 2019	4,590,042	$490,171	$92.43	$88.27 - $96.58
Q3 2019	4,711,630	$504,286	$90.53	$85.50 - $95.23
Q2 2019	4,389,025	$446,847	$84.30	$73.99 - $89.95
Q1 2019	4,198,514	$377,530	$75.54	$69.30 - $79.02
Q4 2018	4,214,683	$350,957	$81.26	$68.45 - $93.85
Q3 2018	4,094,626	$441,851	$94.62	$90.13 - $99.79
Q2 2018	4,238,750	$466,008	$89.48	$82.55 - $100.07