ASSURED GUARANTY LTD

Ticker: AGO CUSIP: G0585R106 Class: EQTY

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

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

Q4 2025

Shares 42,755 Value ($000) $3,842 Avg Close $86.24 Range $78.77 - $92.40

Q3 2025

Shares 46,044 Value ($000) $3,898 Avg Close $83.10 Range $80.01 - $87.90

Q2 2025

Shares 46,042 Value ($000) $4,010 Avg Close $85.02 Range $73.80 - $90.25

Q1 2025

Shares 46,280 Value ($000) $4,077 Avg Close $89.08 Range $81.94 - $95.74

Q4 2024

Shares 46,813 Value ($000) $4,214 Avg Close $86.67 Range $77.50 - $95.05

Q3 2024

Shares 48,976 Value ($000) $3,895 Avg Close $77.80 Range $71.47 - $82.32

Q2 2024

Shares 51,498 Value ($000) $3,973 Avg Close $76.83 Range $72.49 - $85.12

Q1 2024

Shares 54,475 Value ($000) $4,753 Avg Close $82.46 Range $72.37 - $94.43

Q4 2023

Shares 59,502 Value ($000) $4,453 Avg Close $64.45 Range $56.72 - $73.40

Q3 2023

Shares 63,134 Value ($000) $3,821 Avg Close $57.67 Range $52.60 - $61.33

Q2 2023

Shares 69,359 Value ($000) $3,870 Avg Close $51.36 Range $47.53 - $54.28

Q1 2023

Shares 72,364 Value ($000) $3,638 Avg Close $55.79 Range $43.56 - $60.84

Q4 2022

Shares 75,125 Value ($000) $4,677 Avg Close $56.73 Range $46.12 - $64.37

Q3 2022

Shares 76,867 Value ($000) $3,724 Avg Close $51.16 Range $43.84 - $56.19

Q2 2022

Shares 80,699 Value ($000) $4,502 Avg Close $54.74 Range $49.62 - $61.88

Q1 2022

Shares 89,443 Value ($000) $5,694 Avg Close $54.11 Range $46.55 - $62.16

Q4 2021

Shares 99,617 Value ($000) $5,001 Avg Close $48.39 Range $42.35 - $53.45

Q3 2021

Shares 123,637 Value ($000) $5,787 Avg Close $44.76 Range $41.70 - $47.86

Q2 2021

Shares 125,249 Value ($000) $5,947 Avg Close $43.74 Range $39.14 - $48.62

Q1 2021

Shares 137,071 Value ($000) $5,795 Avg Close $37.09 Range $28.21 - $42.31

Q4 2020

Shares 137,367 Value ($000) $4,326 Avg Close $27.10 Range $19.68 - $31.09

Q3 2020

Shares 147,140 Value ($000) $3,161 Avg Close $20.18 Range $16.97 - $23.04

Q2 2020

Shares 148,467 Value ($000) $3,624 Avg Close $24.76 Range $19.27 - $30.69

Q1 2020

Shares 161,788 Value ($000) $4,173 Avg Close $37.29 Range $12.34 - $44.52

Q4 2019

Shares 150,951 Value ($000) $7,400 Avg Close $42.95 Range $38.52 - $45.69

Q3 2019

Shares 160,255 Value ($000) $7,125 Avg Close $39.38 Range $37.23 - $41.24

Q2 2019

Shares 164,140 Value ($000) $6,907 Avg Close $39.29 Range $36.16 - $42.66

Q1 2019

Shares 170,628 Value ($000) $7,581 Avg Close $36.94 Range $33.36 - $40.71

Q4 2018

Shares 174,390 Value ($000) $6,676 Avg Close $35.28 Range $32.00 - $38.29

Q3 2018

Shares 180,090 Value ($000) $7,605 Avg Close $34.96 Range $30.69 - $37.99

Q2 2018

Shares 186,154 Value ($000) $6,651 Avg Close $31.91 Range $30.15 - $33.74

Q1 2018

Shares 194,298 Value ($000) $7,034 Avg Close $30.72 Range $28.71 - $33.40

Q4 2017

Shares 201,449 Value ($000) $6,823 Avg Close $31.51 Range $29.20 - $34.48

Q3 2017

Shares 200,969 Value ($000) $7,587 Avg Close $37.09 Range $32.23 - $39.54

Q2 2017

Shares 221,363 Value ($000) $9,239 Avg Close $34.02 Range $31.61 - $36.74

Q1 2017

Shares 271,728 Value ($000) $10,084 Avg Close $34.08 Range $31.02 - $36.86

Q4 2016

Shares 284,628 Value ($000) $10,750 Avg Close $28.80 Range $23.45 - $33.50

Q3 2016

Shares 292,128 Value ($000) $8,107 Avg Close $23.01 Range $21.01 - $24.00

Q2 2016

Shares 289,528 Value ($000) $7,345 Avg Close $21.86 Range $19.94 - $23.36

Q1 2016

Shares 308,621 Value ($000) $7,808 Avg Close $20.75 Range $18.35 - $22.59

Q4 2015

Shares 270,226 Value ($000) $7,142 Avg Close $22.54 Range $20.54 - $24.84

Q3 2015

Shares 283,998 Value ($000) $7,100 Avg Close $21.04 Range $19.17 - $22.46

Q2 2015

Shares 275,603 Value ($000) $6,612 Avg Close $23.19 Range $18.82 - $24.83

Q1 2015

Shares 291,986 Value ($000) $7,706 Avg Close $21.44 Range $20.03 - $22.41

Q4 2014

Shares 325,250 Value ($000) $8,453 Avg Close $19.90 Range $16.49 - $22.17

Q3 2014

Shares 322,170 Value ($000) $7,139 Avg Close $19.13 Range $17.72 - $20.52

Q2 2014

Shares 327,975 Value ($000) $8,035 Avg Close $20.29 Range $18.86 - $21.96

Q1 2014

Shares 306,675 Value ($000) $7,765 Avg Close $19.26 Range $16.61 - $21.84

Q4 2013

Shares 305,175 Value ($000) $7,199 Avg Close $17.63 Range $14.40 - $20.16

Q3 2013

Shares 303,175 Value ($000) $5,685 Avg Close $17.07 Range $14.90 - $19.03

Q2 2013

Shares 293,764 Value ($000) $6,480 Avg Close $17.51 Range $15.17 - $19.83

Q1 2013

Shares 297,960 Value ($000) $6,141 Avg Close $14.58 Range $11.13 - $17.08

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	42,755	$3,842	$86.24	$78.77 - $92.40
Q3 2025	46,044	$3,898	$83.10	$80.01 - $87.90
Q2 2025	46,042	$4,010	$85.02	$73.80 - $90.25
Q1 2025	46,280	$4,077	$89.08	$81.94 - $95.74
Q4 2024	46,813	$4,214	$86.67	$77.50 - $95.05
Q3 2024	48,976	$3,895	$77.80	$71.47 - $82.32
Q2 2024	51,498	$3,973	$76.83	$72.49 - $85.12
Q1 2024	54,475	$4,753	$82.46	$72.37 - $94.43
Q4 2023	59,502	$4,453	$64.45	$56.72 - $73.40
Q3 2023	63,134	$3,821	$57.67	$52.60 - $61.33
Q2 2023	69,359	$3,870	$51.36	$47.53 - $54.28
Q1 2023	72,364	$3,638	$55.79	$43.56 - $60.84
Q4 2022	75,125	$4,677	$56.73	$46.12 - $64.37
Q3 2022	76,867	$3,724	$51.16	$43.84 - $56.19
Q2 2022	80,699	$4,502	$54.74	$49.62 - $61.88
Q1 2022	89,443	$5,694	$54.11	$46.55 - $62.16
Q4 2021	99,617	$5,001	$48.39	$42.35 - $53.45
Q3 2021	123,637	$5,787	$44.76	$41.70 - $47.86
Q2 2021	125,249	$5,947	$43.74	$39.14 - $48.62
Q1 2021	137,071	$5,795	$37.09	$28.21 - $42.31
Q4 2020	137,367	$4,326	$27.10	$19.68 - $31.09
Q3 2020	147,140	$3,161	$20.18	$16.97 - $23.04
Q2 2020	148,467	$3,624	$24.76	$19.27 - $30.69
Q1 2020	161,788	$4,173	$37.29	$12.34 - $44.52
Q4 2019	150,951	$7,400	$42.95	$38.52 - $45.69
Q3 2019	160,255	$7,125	$39.38	$37.23 - $41.24
Q2 2019	164,140	$6,907	$39.29	$36.16 - $42.66
Q1 2019	170,628	$7,581	$36.94	$33.36 - $40.71
Q4 2018	174,390	$6,676	$35.28	$32.00 - $38.29
Q3 2018	180,090	$7,605	$34.96	$30.69 - $37.99
Q2 2018	186,154	$6,651	$31.91	$30.15 - $33.74
Q1 2018	194,298	$7,034	$30.72	$28.71 - $33.40
Q4 2017	201,449	$6,823	$31.51	$29.20 - $34.48
Q3 2017	200,969	$7,587	$37.09	$32.23 - $39.54
Q2 2017	221,363	$9,239	$34.02	$31.61 - $36.74
Q1 2017	271,728	$10,084	$34.08	$31.02 - $36.86
Q4 2016	284,628	$10,750	$28.80	$23.45 - $33.50
Q3 2016	292,128	$8,107	$23.01	$21.01 - $24.00
Q2 2016	289,528	$7,345	$21.86	$19.94 - $23.36
Q1 2016	308,621	$7,808	$20.75	$18.35 - $22.59
Q4 2015	270,226	$7,142	$22.54	$20.54 - $24.84
Q3 2015	283,998	$7,100	$21.04	$19.17 - $22.46
Q2 2015	275,603	$6,612	$23.19	$18.82 - $24.83
Q1 2015	291,986	$7,706	$21.44	$20.03 - $22.41
Q4 2014	325,250	$8,453	$19.90	$16.49 - $22.17
Q3 2014	322,170	$7,139	$19.13	$17.72 - $20.52
Q2 2014	327,975	$8,035	$20.29	$18.86 - $21.96
Q1 2014	306,675	$7,765	$19.26	$16.61 - $21.84
Q4 2013	305,175	$7,199	$17.63	$14.40 - $20.16
Q3 2013	303,175	$5,685	$17.07	$14.90 - $19.03
Q2 2013	293,764	$6,480	$17.51	$15.17 - $19.83
Q1 2013	297,960	$6,141	$14.58	$11.13 - $17.08