SIMPSON MFG INC

Ticker: SSD CUSIP: 829073105 Class: Common Stock

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2025

Shares 31,315 Value ($000) $5,056 Avg Close $168.74 Range $156.04 - $186.68

Q3 2025

Shares 38,277 Value ($000) $6,410 Avg Close $178.32 Range $153.41 - $197.12

Q2 2025

Shares 38,077 Value ($000) $5,914 Avg Close $154.06 Range $136.62 - $166.33

Q1 2025

Shares 30,902 Value ($000) $4,854 Avg Close $163.06 Range $151.67 - $180.71

Q4 2024

Shares 52,325 Value ($000) $8,677 Avg Close $181.55 Range $161.07 - $196.10

Q3 2024

Shares 35,278 Value ($000) $6,748 Avg Close $177.77 Range $159.75 - $195.37

Q2 2024

Shares 53,414 Value ($000) $9,002 Avg Close $173.00 Range $155.56 - $203.16

Q4 2023

Shares 9,956 Value ($000) $1,971 Avg Close $156.29 Range $122.12 - $199.19

Q3 2023

Shares 15,169 Value ($000) $2,272 Avg Close $149.57 Range $130.11 - $163.31

Q2 2023

Shares 9,856 Value ($000) $1,365 Avg Close $120.65 Range $100.26 - $138.25

Q1 2023

Shares 14,638 Value ($000) $1,605 Avg Close $102.73 Range $87.41 - $113.05

Q4 2022

Shares 29,997 Value ($000) $2,660 Avg Close $85.30 Range $73.48 - $96.84

Q3 2022

Shares 114,573 Value ($000) $8,983 Avg Close $94.13 Range $74.91 - $107.29

Q1 2022

Shares 18,318 Value ($000) $1,998 Avg Close $114.83 Range $103.81 - $134.92

Q4 2021

Shares 21,222 Value ($000) $2,951 Avg Close $116.67 Range $101.48 - $136.58

Q3 2021

Shares 32,782 Value ($000) $3,507 Avg Close $106.78 Range $100.72 - $112.32

Q2 2021

Shares 45,348 Value ($000) $5,008 Avg Close $106.27 Range $99.05 - $115.28

Q1 2021

Shares 152,438 Value ($000) $15,813 Avg Close $96.19 Range $87.42 - $105.50

Q4 2020

Shares 51,140 Value ($000) $4,779 Avg Close $88.98 Range $82.58 - $97.42

Q3 2020

Shares 9,112 Value ($000) $885 Avg Close $90.65 Range $74.55 - $99.72

Q2 2020

Shares 23,505 Value ($000) $1,983 Avg Close $70.29 Range $53.68 - $91.17

Q1 2020

Shares 76,844 Value ($000) $4,763 Avg Close $74.16 Range $44.65 - $83.80

Q4 2019

Shares 25,763 Value ($000) $2,067 Avg Close $73.79 Range $63.49 - $80.83

Q3 2019

Shares 34,388 Value ($000) $2,385 Avg Close $61.30 Range $54.13 - $65.83

Q2 2019

Shares 77,754 Value ($000) $5,168 Avg Close $60.10 Range $54.87 - $63.50

Q1 2019

Shares 63,794 Value ($000) $3,781 Avg Close $55.38 Range $49.21 - $57.89

Q4 2018

Shares 88,042 Value ($000) $4,766 Avg Close $54.77 Range $46.23 - $68.31

Q3 2018

Shares 72,537 Value ($000) $5,257 Avg Close $65.92 Range $55.18 - $72.89

Q2 2018

Shares 112,443 Value ($000) $6,993 Avg Close $56.34 Range $50.43 - $62.41

Q1 2018

Shares 84,623 Value ($000) $4,873 Avg Close $53.40 Range $50.66 - $56.29

Q4 2017

Shares 141,381 Value ($000) $8,117 Avg Close $50.92 Range $44.46 - $56.70

Q3 2017

Shares 180,757 Value ($000) $8,864 Avg Close $40.85 Range $38.29 - $45.41

Q2 2017

Shares 248,332 Value ($000) $10,855 Avg Close $38.22 Range $36.31 - $40.44

Q1 2017

Shares 164,632 Value ($000) $7,094 Avg Close $39.37 Range $37.28 - $41.25

Q4 2016

Shares 91,146 Value ($000) $3,987 Avg Close $40.50 Range $36.93 - $43.78

Q3 2016

Shares 118,166 Value ($000) $5,194 Avg Close $38.35 Range $35.10 - $40.98

Q2 2016

Shares 132,129 Value ($000) $5,281 Avg Close $34.48 Range $33.16 - $35.86

Q1 2016

Shares 78,921 Value ($000) $3,012 Avg Close $30.22 Range $27.00 - $34.22

Q4 2015

Shares 106,852 Value ($000) $3,649 Avg Close $32.21 Range $29.44 - $34.16

Q3 2015

Shares 27,740 Value ($000) $929 Avg Close $30.84 Range $29.17 - $32.79

Q2 2015

Shares 29,776 Value ($000) $1,013 Avg Close $30.42 Range $28.68 - $33.04

Q1 2015

Shares 41,859 Value ($000) $1,564 Avg Close $30.80 Range $27.32 - $33.49

Q4 2014

Shares 121,370 Value ($000) $4,199 Avg Close $28.42 Range $25.15 - $31.04

Q3 2014

Shares 106,315 Value ($000) $3,099 Avg Close $28.16 Range $25.36 - $32.38

Q2 2014

Shares 97,770 Value ($000) $3,555 Avg Close $29.44 Range $27.18 - $32.11

Q1 2014

Shares 74,647 Value ($000) $2,637 Avg Close $29.59 Range $26.64 - $31.76

Q4 2013

Shares 87,150 Value ($000) $3,201 Avg Close $29.91 Range $26.22 - $32.23

Q3 2013

Shares 86,788 Value ($000) $2,827 Avg Close $27.20 Range $24.97 - $28.78

Q2 2013

Shares 83,295 Value ($000) $2,451 Avg Close $25.02 Range $23.44 - $27.65

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	31,315	$5,056	$168.74	$156.04 - $186.68
Q3 2025	38,277	$6,410	$178.32	$153.41 - $197.12
Q2 2025	38,077	$5,914	$154.06	$136.62 - $166.33
Q1 2025	30,902	$4,854	$163.06	$151.67 - $180.71
Q4 2024	52,325	$8,677	$181.55	$161.07 - $196.10
Q3 2024	35,278	$6,748	$177.77	$159.75 - $195.37
Q2 2024	53,414	$9,002	$173.00	$155.56 - $203.16
Q4 2023	9,956	$1,971	$156.29	$122.12 - $199.19
Q3 2023	15,169	$2,272	$149.57	$130.11 - $163.31
Q2 2023	9,856	$1,365	$120.65	$100.26 - $138.25
Q1 2023	14,638	$1,605	$102.73	$87.41 - $113.05
Q4 2022	29,997	$2,660	$85.30	$73.48 - $96.84
Q3 2022	114,573	$8,983	$94.13	$74.91 - $107.29
Q1 2022	18,318	$1,998	$114.83	$103.81 - $134.92
Q4 2021	21,222	$2,951	$116.67	$101.48 - $136.58
Q3 2021	32,782	$3,507	$106.78	$100.72 - $112.32
Q2 2021	45,348	$5,008	$106.27	$99.05 - $115.28
Q1 2021	152,438	$15,813	$96.19	$87.42 - $105.50
Q4 2020	51,140	$4,779	$88.98	$82.58 - $97.42
Q3 2020	9,112	$885	$90.65	$74.55 - $99.72
Q2 2020	23,505	$1,983	$70.29	$53.68 - $91.17
Q1 2020	76,844	$4,763	$74.16	$44.65 - $83.80
Q4 2019	25,763	$2,067	$73.79	$63.49 - $80.83
Q3 2019	34,388	$2,385	$61.30	$54.13 - $65.83
Q2 2019	77,754	$5,168	$60.10	$54.87 - $63.50
Q1 2019	63,794	$3,781	$55.38	$49.21 - $57.89
Q4 2018	88,042	$4,766	$54.77	$46.23 - $68.31
Q3 2018	72,537	$5,257	$65.92	$55.18 - $72.89
Q2 2018	112,443	$6,993	$56.34	$50.43 - $62.41
Q1 2018	84,623	$4,873	$53.40	$50.66 - $56.29
Q4 2017	141,381	$8,117	$50.92	$44.46 - $56.70
Q3 2017	180,757	$8,864	$40.85	$38.29 - $45.41
Q2 2017	248,332	$10,855	$38.22	$36.31 - $40.44
Q1 2017	164,632	$7,094	$39.37	$37.28 - $41.25
Q4 2016	91,146	$3,987	$40.50	$36.93 - $43.78
Q3 2016	118,166	$5,194	$38.35	$35.10 - $40.98
Q2 2016	132,129	$5,281	$34.48	$33.16 - $35.86
Q1 2016	78,921	$3,012	$30.22	$27.00 - $34.22
Q4 2015	106,852	$3,649	$32.21	$29.44 - $34.16
Q3 2015	27,740	$929	$30.84	$29.17 - $32.79
Q2 2015	29,776	$1,013	$30.42	$28.68 - $33.04
Q1 2015	41,859	$1,564	$30.80	$27.32 - $33.49
Q4 2014	121,370	$4,199	$28.42	$25.15 - $31.04
Q3 2014	106,315	$3,099	$28.16	$25.36 - $32.38
Q2 2014	97,770	$3,555	$29.44	$27.18 - $32.11
Q1 2014	74,647	$2,637	$29.59	$26.64 - $31.76
Q4 2013	87,150	$3,201	$29.91	$26.22 - $32.23
Q3 2013	86,788	$2,827	$27.20	$24.97 - $28.78
Q2 2013	83,295	$2,451	$25.02	$23.44 - $27.65