AMERISOURCEBERGEN CORP

Ticker: COR CUSIP: 03073E105 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025

Shares 289,339 Value ($000) $97,724 Avg Close $340.62 Range $295.59 - $377.54

Q3 2025

Shares 299,365 Value ($000) $93,561 Avg Close $293.50 Range $272.47 - $312.22

Q2 2025

Shares 302,083 Value ($000) $90,580 Avg Close $286.82 Range $265.95 - $307.67

Q1 2025

Shares 292,350 Value ($000) $81,300 Avg Close $249.56 Range $222.21 - $279.18

Q4 2024

Shares 297,230 Value ($000) $66,782 Avg Close $233.11 Range $216.49 - $251.33

Q3 2024

Shares 301,471 Value ($000) $67,855 Avg Close $229.65 Range $216.55 - $244.68

Q2 2024

Shares 298,145 Value ($000) $67,172 Avg Close $228.58 Range $212.19 - $243.23

Q1 2024

Shares 266,658 Value ($000) $64,795 Avg Close $226.42 Range $201.18 - $241.19

Q4 2023

Shares 265,077 Value ($000) $54,442 Avg Close $191.75 Range $174.83 - $202.46

Q3 2023

Shares 266,744 Value ($000) $48,006 Avg Close $180.98 Range $168.40 - $190.60

Q2 2023

Shares 276,863 Value ($000) $53,277 Avg Close $169.11 Range $156.61 - $189.28

Q1 2023

Shares 258,915 Value ($000) $41,455 Avg Close $154.59 Range $143.90 - $164.55

Q4 2022

Shares 260,276 Value ($000) $43,130 Avg Close $153.47 Range $131.70 - $169.86

Q3 2022

Shares 256,097 Value ($000) $34,658 Avg Close $139.06 Range $131.05 - $148.71

Q2 2022

Shares 259,396 Value ($000) $36,699 Avg Close $147.67 Range $134.21 - $161.13

Q1 2022

Shares 257,927 Value ($000) $39,904 Avg Close $136.20 Range $122.90 - $151.25

Q4 2021

Shares 272,767 Value ($000) $36,248 Avg Close $117.11 Range $108.62 - $129.94

Q3 2021

Shares 264,416 Value ($000) $31,584 Avg Close $112.38 Range $103.91 - $120.27

Q2 2021

Shares 260,227 Value ($000) $29,793 Avg Close $108.88 Range $104.00 - $115.73

Q1 2021

Shares 271,024 Value ($000) $32,000 Avg Close $98.33 Range $86.00 - $110.84

Q4 2020

Shares 266,982 Value ($000) $26,100 Avg Close $89.37 Range $82.19 - $99.13

Q3 2020

Shares 268,477 Value ($000) $26,021 Avg Close $87.31 Range $80.96 - $93.29

Q2 2020

Shares 262,741 Value ($000) $26,476 Avg Close $79.57 Range $68.90 - $89.47

Q1 2020

Shares 268,648 Value ($000) $23,775 Avg Close $74.64 Range $61.14 - $82.63

Q4 2019

Shares 280,620 Value ($000) $23,858 Avg Close $71.20 Range $66.09 - $75.60

Q3 2019

Shares 262,167 Value ($000) $21,584 Avg Close $70.03 Range $65.64 - $76.99

Q2 2019

Shares 258,311 Value ($000) $22,024 Avg Close $63.19 Range $56.20 - $70.31

Q1 2019

Shares 257,953 Value ($000) $20,512 Avg Close $62.97 Range $56.70 - $68.58

Q4 2018

Shares 262,243 Value ($000) $19,511 Avg Close $67.21 Range $54.20 - $73.79

Q3 2018

Shares 258,237 Value ($000) $23,815 Avg Close $67.16 Range $59.86 - $71.97

Q2 2018

Shares 261,959 Value ($000) $22,337 Avg Close $67.90 Range $62.92 - $73.49

Q1 2018

Shares 260,317 Value ($000) $22,442 Avg Close $73.93 Range $63.92 - $81.64

Q4 2017

Shares 269,841 Value ($000) $24,777 Avg Close $63.39 Range $54.97 - $72.55

Q3 2017

Shares 272,785 Value ($000) $22,573 Avg Close $64.71 Range $59.40 - $72.82

Q2 2017

Shares 295,057 Value ($000) $27,891 Avg Close $67.64 Range $60.17 - $74.47

Q1 2017

Shares 327,484 Value ($000) $28,982 Avg Close $66.47 Range $59.11 - $71.33

Q4 2016

Shares 342,384 Value ($000) $26,771 Avg Close $58.75 Range $51.38 - $62.05

Q3 2016

Shares 379,884 Value ($000) $30,687 Avg Close $64.28 Range $59.21 - $67.77

Q2 2016

Shares 376,684 Value ($000) $29,879 Avg Close $59.88 Range $54.79 - $68.90

Q1 2016

Shares 436,912 Value ($000) $37,815 Avg Close $66.24 Range $59.75 - $76.74

Q4 2015

Shares 381,070 Value ($000) $39,521 Avg Close $72.76 Range $67.17 - $78.53

Q3 2015

Shares 400,628 Value ($000) $38,056 Avg Close $77.49 Range $67.66 - $85.12

Q2 2015

Shares 401,228 Value ($000) $42,667 Avg Close $83.00 Range $78.02 - $88.78

Q1 2015

Shares 413,859 Value ($000) $47,043 Avg Close $73.93 Range $65.67 - $84.41

Q4 2014

Shares 420,959 Value ($000) $37,954 Avg Close $62.81 Range $54.34 - $68.10

Q3 2014

Shares 416,977 Value ($000) $32,232 Avg Close $55.50 Range $52.49 - $57.68

Q2 2014

Shares 413,410 Value ($000) $30,038 Avg Close $49.82 Range $45.43 - $53.80

Q1 2014

Shares 420,010 Value ($000) $27,548 Avg Close $49.28 Range $46.14 - $52.06

Q4 2013

Shares 418,110 Value ($000) $29,397 Avg Close $48.54 Range $43.84 - $51.67

Q3 2013

Shares 415,210 Value ($000) $25,369 Avg Close $42.09 Range $39.10 - $45.04

Q2 2013

Shares 402,373 Value ($000) $22,464 Avg Close $38.92 Range $36.72 - $40.75

Q1 2013

Shares 409,349 Value ($000) $21,061 Avg Close $33.48 Range $30.66 - $37.34

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	289,339	$97,724	$340.62	$295.59 - $377.54
Q3 2025	299,365	$93,561	$293.50	$272.47 - $312.22
Q2 2025	302,083	$90,580	$286.82	$265.95 - $307.67
Q1 2025	292,350	$81,300	$249.56	$222.21 - $279.18
Q4 2024	297,230	$66,782	$233.11	$216.49 - $251.33
Q3 2024	301,471	$67,855	$229.65	$216.55 - $244.68
Q2 2024	298,145	$67,172	$228.58	$212.19 - $243.23
Q1 2024	266,658	$64,795	$226.42	$201.18 - $241.19
Q4 2023	265,077	$54,442	$191.75	$174.83 - $202.46
Q3 2023	266,744	$48,006	$180.98	$168.40 - $190.60
Q2 2023	276,863	$53,277	$169.11	$156.61 - $189.28
Q1 2023	258,915	$41,455	$154.59	$143.90 - $164.55
Q4 2022	260,276	$43,130	$153.47	$131.70 - $169.86
Q3 2022	256,097	$34,658	$139.06	$131.05 - $148.71
Q2 2022	259,396	$36,699	$147.67	$134.21 - $161.13
Q1 2022	257,927	$39,904	$136.20	$122.90 - $151.25
Q4 2021	272,767	$36,248	$117.11	$108.62 - $129.94
Q3 2021	264,416	$31,584	$112.38	$103.91 - $120.27
Q2 2021	260,227	$29,793	$108.88	$104.00 - $115.73
Q1 2021	271,024	$32,000	$98.33	$86.00 - $110.84
Q4 2020	266,982	$26,100	$89.37	$82.19 - $99.13
Q3 2020	268,477	$26,021	$87.31	$80.96 - $93.29
Q2 2020	262,741	$26,476	$79.57	$68.90 - $89.47
Q1 2020	268,648	$23,775	$74.64	$61.14 - $82.63
Q4 2019	280,620	$23,858	$71.20	$66.09 - $75.60
Q3 2019	262,167	$21,584	$70.03	$65.64 - $76.99
Q2 2019	258,311	$22,024	$63.19	$56.20 - $70.31
Q1 2019	257,953	$20,512	$62.97	$56.70 - $68.58
Q4 2018	262,243	$19,511	$67.21	$54.20 - $73.79
Q3 2018	258,237	$23,815	$67.16	$59.86 - $71.97
Q2 2018	261,959	$22,337	$67.90	$62.92 - $73.49
Q1 2018	260,317	$22,442	$73.93	$63.92 - $81.64
Q4 2017	269,841	$24,777	$63.39	$54.97 - $72.55
Q3 2017	272,785	$22,573	$64.71	$59.40 - $72.82
Q2 2017	295,057	$27,891	$67.64	$60.17 - $74.47
Q1 2017	327,484	$28,982	$66.47	$59.11 - $71.33
Q4 2016	342,384	$26,771	$58.75	$51.38 - $62.05
Q3 2016	379,884	$30,687	$64.28	$59.21 - $67.77
Q2 2016	376,684	$29,879	$59.88	$54.79 - $68.90
Q1 2016	436,912	$37,815	$66.24	$59.75 - $76.74
Q4 2015	381,070	$39,521	$72.76	$67.17 - $78.53
Q3 2015	400,628	$38,056	$77.49	$67.66 - $85.12
Q2 2015	401,228	$42,667	$83.00	$78.02 - $88.78
Q1 2015	413,859	$47,043	$73.93	$65.67 - $84.41
Q4 2014	420,959	$37,954	$62.81	$54.34 - $68.10
Q3 2014	416,977	$32,232	$55.50	$52.49 - $57.68
Q2 2014	413,410	$30,038	$49.82	$45.43 - $53.80
Q1 2014	420,010	$27,548	$49.28	$46.14 - $52.06
Q4 2013	418,110	$29,397	$48.54	$43.84 - $51.67
Q3 2013	415,210	$25,369	$42.09	$39.10 - $45.04
Q2 2013	402,373	$22,464	$38.92	$36.72 - $40.75
Q1 2013	409,349	$21,061	$33.48	$30.66 - $37.34