AMERISOURCEBERGEN CORP

Ticker: COR CUSIP: 03073E105 Class: COM

MATTERN CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001803227)

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

Q4 2025

Shares 42,561 Value ($000) $14,375 Avg Close $340.62 Range $295.59 - $377.54

Q3 2025

Shares 44,049 Value ($000) $13,767 Avg Close $293.50 Range $272.47 - $312.22

Q2 2025

Shares 46,977 Value ($000) $14,086 Avg Close $286.82 Range $265.95 - $307.67

Q1 2025

Shares 47,570 Value ($000) $13,229 Avg Close $249.56 Range $222.21 - $279.18

Q4 2024

Shares 48,698 Value ($000) $10,941 Avg Close $233.11 Range $216.49 - $251.33

Q3 2024

Shares 49,351 Value ($000) $11,108 Avg Close $229.65 Range $216.55 - $244.68

Q2 2024

Shares 49,605 Value ($000) $11,176 Avg Close $228.58 Range $212.19 - $243.23

Q1 2024

Shares 50,013 Value ($000) $12,153 Avg Close $226.42 Range $201.18 - $241.19

Q4 2023

Shares 52,111 Value ($000) $10,703 Avg Close $191.75 Range $174.83 - $202.46

Q3 2023

Shares 52,222 Value ($000) $9,398 Avg Close $180.98 Range $168.40 - $190.60

Q2 2023

Shares 50,536 Value ($000) $9,725 Avg Close $169.11 Range $156.61 - $189.28

Q1 2023

Shares 48,633 Value ($000) $7,787 Avg Close $154.59 Range $143.90 - $164.55

Q4 2022

Shares 46,856 Value ($000) $7,765 Avg Close $153.47 Range $131.70 - $169.86

Q3 2022

Shares 48,734 Value ($000) $6,595 Avg Close $139.06 Range $131.05 - $148.71

Q2 2022

Shares 48,348 Value ($000) $6,840 Avg Close $147.67 Range $134.21 - $161.13

Q1 2022

Shares 54,195 Value ($000) $8,385 Avg Close $136.20 Range $122.90 - $151.25

Q4 2021

Shares 54,399 Value ($000) $7,229 Avg Close $117.11 Range $108.62 - $129.94

Q3 2021

Shares 54,574 Value ($000) $6,519 Avg Close $112.38 Range $103.91 - $120.27

Q2 2021

Shares 54,141 Value ($000) $6,199 Avg Close $108.88 Range $104.00 - $115.73

Q1 2021

Shares 52,642 Value ($000) $6,215 Avg Close $98.33 Range $86.00 - $110.84

Q4 2020

Shares 52,401 Value ($000) $5,123 Avg Close $89.37 Range $82.19 - $99.13

Q3 2020

Shares 52,493 Value ($000) $5,088 Avg Close $87.31 Range $80.96 - $93.29

Q2 2020

Shares 44,908 Value ($000) $4,525 Avg Close $79.57 Range $68.90 - $89.47

Q1 2020

Shares 44,387 Value ($000) $3,928 Avg Close $74.64 Range $61.14 - $82.63

Q4 2019

Shares 45,146 Value ($000) $3,838 Avg Close $71.20 Range $66.09 - $75.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	42,561	$14,375	$340.62	$295.59 - $377.54
Q3 2025	44,049	$13,767	$293.50	$272.47 - $312.22
Q2 2025	46,977	$14,086	$286.82	$265.95 - $307.67
Q1 2025	47,570	$13,229	$249.56	$222.21 - $279.18
Q4 2024	48,698	$10,941	$233.11	$216.49 - $251.33
Q3 2024	49,351	$11,108	$229.65	$216.55 - $244.68
Q2 2024	49,605	$11,176	$228.58	$212.19 - $243.23
Q1 2024	50,013	$12,153	$226.42	$201.18 - $241.19
Q4 2023	52,111	$10,703	$191.75	$174.83 - $202.46
Q3 2023	52,222	$9,398	$180.98	$168.40 - $190.60
Q2 2023	50,536	$9,725	$169.11	$156.61 - $189.28
Q1 2023	48,633	$7,787	$154.59	$143.90 - $164.55
Q4 2022	46,856	$7,765	$153.47	$131.70 - $169.86
Q3 2022	48,734	$6,595	$139.06	$131.05 - $148.71
Q2 2022	48,348	$6,840	$147.67	$134.21 - $161.13
Q1 2022	54,195	$8,385	$136.20	$122.90 - $151.25
Q4 2021	54,399	$7,229	$117.11	$108.62 - $129.94
Q3 2021	54,574	$6,519	$112.38	$103.91 - $120.27
Q2 2021	54,141	$6,199	$108.88	$104.00 - $115.73
Q1 2021	52,642	$6,215	$98.33	$86.00 - $110.84
Q4 2020	52,401	$5,123	$89.37	$82.19 - $99.13
Q3 2020	52,493	$5,088	$87.31	$80.96 - $93.29
Q2 2020	44,908	$4,525	$79.57	$68.90 - $89.47
Q1 2020	44,387	$3,928	$74.64	$61.14 - $82.63
Q4 2019	45,146	$3,838	$71.20	$66.09 - $75.60