ARCH CAP GROUP LTD

Ticker: ACGL CUSIP: G0450A105 Class: COM

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

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

Q4 2025

Shares 498,650 Value ($000) $47,831 Avg Close $91.50 Range $82.45 - $97.60

Q3 2025

Shares 520,570 Value ($000) $47,231 Avg Close $89.67 Range $84.81 - $94.51

Q2 2025

Shares 568,473 Value ($000) $51,759 Avg Close $92.27 Range $82.49 - $96.92

Q1 2025

Shares 575,436 Value ($000) $55,345 Avg Close $92.28 Range $87.42 - $97.40

Q4 2024

Shares 576,836 Value ($000) $53,271 Avg Close $98.18 Range $88.53 - $110.75

Q3 2024

Shares 585,411 Value ($000) $65,496 Avg Close $98.89 Range $89.46 - $109.06

Q2 2024

Shares 589,532 Value ($000) $59,478 Avg Close $92.47 Range $84.85 - $98.69

Q1 2024

Shares 581,369 Value ($000) $53,742 Avg Close $80.40 Range $70.63 - $88.03

Q4 2023

Shares 578,379 Value ($000) $42,956 Avg Close $77.71 Range $69.27 - $86.20

Q3 2023

Shares 576,378 Value ($000) $45,943 Avg Close $74.00 Range $68.78 - $80.66

Q2 2023

Shares 600,834 Value ($000) $44,972 Avg Close $68.76 Range $63.88 - $74.46

Q1 2023

Shares 610,633 Value ($000) $41,444 Avg Close $62.49 Range $57.72 - $68.73

Q4 2022

Shares 615,441 Value ($000) $38,637 Avg Close $53.09 Range $42.43 - $60.74

Q3 2022

Shares 612,124 Value ($000) $27,876 Avg Close $42.96 Range $39.03 - $45.57

Q2 2022

Shares 624,944 Value ($000) $28,429 Avg Close $44.08 Range $40.02 - $48.24

Q1 2022

Shares 629,798 Value ($000) $30,495 Avg Close $44.21 Range $41.45 - $46.74

Q4 2021

Shares 679,582 Value ($000) $30,207 Avg Close $40.35 Range $35.60 - $42.71

Q3 2021

Shares 680,041 Value ($000) $25,964 Avg Close $37.66 Range $34.74 - $40.45

Q2 2021

Shares 685,486 Value ($000) $26,693 Avg Close $37.65 Range $35.16 - $39.25

Q1 2021

Shares 716,473 Value ($000) $27,491 Avg Close $33.84 Range $29.70 - $37.41

Q4 2020

Shares 710,697 Value ($000) $25,635 Avg Close $31.21 Range $27.15 - $34.38

Q3 2020

Shares 703,746 Value ($000) $20,585 Avg Close $28.99 Range $24.93 - $32.03

Q2 2020

Shares 690,192 Value ($000) $19,774 Avg Close $26.29 Range $19.90 - $34.00

Q1 2020

Shares 661,120 Value ($000) $18,815 Avg Close $38.54 Range $21.43 - $45.95

Q4 2019

Shares 624,888 Value ($000) $26,801 Avg Close $39.45 Range $38.15 - $40.92

Q3 2019

Shares 640,800 Value ($000) $26,901 Avg Close $37.49 Range $35.20 - $40.76

Q2 2019

Shares 638,690 Value ($000) $23,683 Avg Close $32.43 Range $30.49 - $35.41

Q1 2019

Shares 639,706 Value ($000) $20,675 Avg Close $28.95 Range $23.84 - $31.43

Q4 2018

Shares 651,156 Value ($000) $17,399 Avg Close $26.29 Range $23.57 - $28.53

Q3 2018

Shares 656,661 Value ($000) $19,575 Avg Close $28.28 Range $24.96 - $29.78

Q2 2018

Shares 656,179 Value ($000) $17,362 Avg Close $25.54 Range $24.44 - $27.51

Q1 2018

Shares 206,849 Value ($000) $17,704 Avg Close $27.98 Range $26.36 - $30.04

Q4 2017

Shares 213,257 Value ($000) $19,357 Avg Close $30.41 Range $28.31 - $32.52

Q3 2017

Shares 218,755 Value ($000) $21,547 Avg Close $30.68 Range $28.69 - $31.53

Q2 2017

Shares 215,599 Value ($000) $20,113 Avg Close $30.16 Range $29.16 - $31.45

Q1 2017

Shares 234,981 Value ($000) $22,269 Avg Close $29.06 Range $26.69 - $30.44

Q4 2016

Shares 245,481 Value ($000) $21,183 Avg Close $25.85 Range $24.24 - $28.02

Q3 2016

Shares 251,781 Value ($000) $19,956 Avg Close $24.20 Range $21.82 - $26.99

Q2 2016

Shares 249,581 Value ($000) $17,970 Avg Close $22.46 Range $21.40 - $23.18

Q1 2016

Shares 270,955 Value ($000) $19,265 Avg Close $21.66 Range $18.96 - $22.72

Q4 2015

Shares 237,154 Value ($000) $16,541 Avg Close $23.38 Range $21.55 - $24.98

Q3 2015

Shares 233,456 Value ($000) $17,152 Avg Close $22.28 Range $20.37 - $23.77

Q2 2015

Shares 226,527 Value ($000) $15,168 Avg Close $20.18 Range $18.95 - $21.56

Q1 2015

Shares 240,764 Value ($000) $14,831 Avg Close $19.04 Range $18.28 - $19.97

Q4 2014

Shares 257,782 Value ($000) $15,235 Avg Close $18.04 Range $16.64 - $19.05

Q3 2014

Shares 255,388 Value ($000) $13,975 Avg Close $17.54 Range $16.79 - $18.46

Q2 2014

Shares 244,807 Value ($000) $14,062 Avg Close $18.11 Range $17.63 - $18.55

Q1 2014

Shares 242,107 Value ($000) $13,931 Avg Close $17.63 Range $16.56 - $18.88

Q4 2013

Shares 240,907 Value ($000) $14,380 Avg Close $18.24 Range $17.07 - $18.95

Q3 2013

Shares 239,307 Value ($000) $12,954 Avg Close $17.00 Range $16.17 - $17.71

Q2 2013

Shares 231,900 Value ($000) $11,922 Avg Close $16.55 Range $15.68 - $17.32

Q1 2013

Shares 235,497 Value ($000) $12,380 Avg Close $15.21 Range $13.95 - $16.67

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	498,650	$47,831	$91.50	$82.45 - $97.60
Q3 2025	520,570	$47,231	$89.67	$84.81 - $94.51
Q2 2025	568,473	$51,759	$92.27	$82.49 - $96.92
Q1 2025	575,436	$55,345	$92.28	$87.42 - $97.40
Q4 2024	576,836	$53,271	$98.18	$88.53 - $110.75
Q3 2024	585,411	$65,496	$98.89	$89.46 - $109.06
Q2 2024	589,532	$59,478	$92.47	$84.85 - $98.69
Q1 2024	581,369	$53,742	$80.40	$70.63 - $88.03
Q4 2023	578,379	$42,956	$77.71	$69.27 - $86.20
Q3 2023	576,378	$45,943	$74.00	$68.78 - $80.66
Q2 2023	600,834	$44,972	$68.76	$63.88 - $74.46
Q1 2023	610,633	$41,444	$62.49	$57.72 - $68.73
Q4 2022	615,441	$38,637	$53.09	$42.43 - $60.74
Q3 2022	612,124	$27,876	$42.96	$39.03 - $45.57
Q2 2022	624,944	$28,429	$44.08	$40.02 - $48.24
Q1 2022	629,798	$30,495	$44.21	$41.45 - $46.74
Q4 2021	679,582	$30,207	$40.35	$35.60 - $42.71
Q3 2021	680,041	$25,964	$37.66	$34.74 - $40.45
Q2 2021	685,486	$26,693	$37.65	$35.16 - $39.25
Q1 2021	716,473	$27,491	$33.84	$29.70 - $37.41
Q4 2020	710,697	$25,635	$31.21	$27.15 - $34.38
Q3 2020	703,746	$20,585	$28.99	$24.93 - $32.03
Q2 2020	690,192	$19,774	$26.29	$19.90 - $34.00
Q1 2020	661,120	$18,815	$38.54	$21.43 - $45.95
Q4 2019	624,888	$26,801	$39.45	$38.15 - $40.92
Q3 2019	640,800	$26,901	$37.49	$35.20 - $40.76
Q2 2019	638,690	$23,683	$32.43	$30.49 - $35.41
Q1 2019	639,706	$20,675	$28.95	$23.84 - $31.43
Q4 2018	651,156	$17,399	$26.29	$23.57 - $28.53
Q3 2018	656,661	$19,575	$28.28	$24.96 - $29.78
Q2 2018	656,179	$17,362	$25.54	$24.44 - $27.51
Q1 2018	206,849	$17,704	$27.98	$26.36 - $30.04
Q4 2017	213,257	$19,357	$30.41	$28.31 - $32.52
Q3 2017	218,755	$21,547	$30.68	$28.69 - $31.53
Q2 2017	215,599	$20,113	$30.16	$29.16 - $31.45
Q1 2017	234,981	$22,269	$29.06	$26.69 - $30.44
Q4 2016	245,481	$21,183	$25.85	$24.24 - $28.02
Q3 2016	251,781	$19,956	$24.20	$21.82 - $26.99
Q2 2016	249,581	$17,970	$22.46	$21.40 - $23.18
Q1 2016	270,955	$19,265	$21.66	$18.96 - $22.72
Q4 2015	237,154	$16,541	$23.38	$21.55 - $24.98
Q3 2015	233,456	$17,152	$22.28	$20.37 - $23.77
Q2 2015	226,527	$15,168	$20.18	$18.95 - $21.56
Q1 2015	240,764	$14,831	$19.04	$18.28 - $19.97
Q4 2014	257,782	$15,235	$18.04	$16.64 - $19.05
Q3 2014	255,388	$13,975	$17.54	$16.79 - $18.46
Q2 2014	244,807	$14,062	$18.11	$17.63 - $18.55
Q1 2014	242,107	$13,931	$17.63	$16.56 - $18.88
Q4 2013	240,907	$14,380	$18.24	$17.07 - $18.95
Q3 2013	239,307	$12,954	$17.00	$16.17 - $17.71
Q2 2013	231,900	$11,922	$16.55	$15.68 - $17.32
Q1 2013	235,497	$12,380	$15.21	$13.95 - $16.67