INNOSPEC INC

Ticker: IOSP CUSIP: 45768S105 Class: Common Stock

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q4 2025

Shares 49,003 Value ($000) $3,751 Avg Close $75.03 Range $70.10 - $79.81

Q3 2025

Shares 48,403 Value ($000) $3,735 Avg Close $82.49 Range $73.21 - $89.37

Q2 2025

Shares 48,003 Value ($000) $4,037 Avg Close $86.03 Range $78.60 - $94.32

Q1 2025

Shares 48,303 Value ($000) $4,577 Avg Close $103.54 Range $91.98 - $114.58

Q4 2024

Shares 49,103 Value ($000) $5,404 Avg Close $111.62 Range $104.73 - $124.78

Q3 2024

Shares 48,703 Value ($000) $5,508 Avg Close $113.17 Range $101.07 - $129.81

Q2 2024

Shares 49,003 Value ($000) $6,056 Avg Close $121.30 Range $115.10 - $129.23

Q1 2024

Shares 49,003 Value ($000) $6,318 Avg Close $117.37 Range $110.33 - $126.78

Q4 2023

Shares 49,003 Value ($000) $6,039 Avg Close $102.52 Range $91.88 - $121.65

Q3 2023

Shares 54,703 Value ($000) $5,591 Avg Close $100.32 Range $93.27 - $107.44

Q2 2023

Shares 54,303 Value ($000) $5,454 Avg Close $95.78 Range $88.08 - $103.21

Q1 2023

Shares 53,403 Value ($000) $5,483 Avg Close $102.60 Range $90.19 - $110.59

Q4 2022

Shares 59,803 Value ($000) $6,151 Avg Close $96.50 Range $78.79 - $110.27

Q3 2022

Shares 58,803 Value ($000) $5,038 Avg Close $89.51 Range $80.19 - $98.62

Q2 2022

Shares 58,303 Value ($000) $5,585 Avg Close $91.85 Range $81.71 - $101.29

Q1 2022

Shares 58,303 Value ($000) $5,396 Avg Close $89.19 Range $83.58 - $94.67

Q4 2021

Shares 54,403 Value ($000) $4,915 Avg Close $82.93 Range $76.29 - $89.94

Q3 2021

Shares 54,403 Value ($000) $4,582 Avg Close $83.46 Range $75.85 - $90.38

Q2 2021

Shares 54,203 Value ($000) $4,911 Avg Close $92.53 Range $83.80 - $100.29

Q1 2021

Shares 56,203 Value ($000) $5,771 Avg Close $92.10 Range $80.91 - $99.72

Q4 2020

Shares 55,703 Value ($000) $5,054 Avg Close $71.95 Range $57.19 - $85.43

Q3 2020

Shares 55,703 Value ($000) $3,527 Avg Close $68.67 Range $56.85 - $78.17

Q2 2020

Shares 54,803 Value ($000) $4,234 Avg Close $67.35 Range $57.02 - $79.77

Q1 2020

Shares 47,503 Value ($000) $3,301 Avg Close $83.79 Range $52.02 - $98.93

Q4 2019

Shares 46,803 Value ($000) $4,841 Avg Close $87.47 Range $77.84 - $97.70

Q3 2019

Shares 46,003 Value ($000) $4,101 Avg Close $81.78 Range $74.31 - $88.66

Q2 2019

Shares 45,503 Value ($000) $4,152 Avg Close $76.63 Range $71.16 - $83.47

Q1 2019

Shares 44,503 Value ($000) $3,709 Avg Close $67.58 Range $51.63 - $78.46

Q4 2018

Shares 43,203 Value ($000) $2,668 Avg Close $62.18 Range $48.12 - $70.66

Q3 2018

Shares 42,103 Value ($000) $3,231 Avg Close $70.20 Range $64.67 - $74.99

Q2 2018

Shares 42,103 Value ($000) $3,223 Avg Close $67.39 Range $59.37 - $73.05

Q1 2018

Shares 42,103 Value ($000) $2,888 Avg Close $62.31 Range $55.67 - $66.49

Q4 2017

Shares 40,703 Value ($000) $2,874 Avg Close $59.54 Range $53.90 - $66.58

Q3 2017

Shares 40,703 Value ($000) $2,509 Avg Close $53.37 Range $48.20 - $59.20

Q2 2017

Shares 40,703 Value ($000) $2,668 Avg Close $57.04 Range $53.20 - $62.50

Q1 2017

Shares 39,403 Value ($000) $2,551 Avg Close $59.26 Range $51.41 - $66.19

Q4 2016

Shares 39,403 Value ($000) $2,699 Avg Close $56.82 Range $47.94 - $64.99

Q3 2016

Shares 38,403 Value ($000) $2,335 Avg Close $48.99 Range $39.67 - $53.81

Q2 2016

Shares 39,903 Value ($000) $1,835 Avg Close $41.52 Range $37.19 - $44.47

Q1 2016

Shares 39,403 Value ($000) $1,650 Avg Close $40.40 Range $36.39 - $46.84

Q4 2015

Shares 30,100 Value ($000) $1,635 Avg Close $48.12 Range $40.31 - $52.05

Q3 2015

Shares 30,100 Value ($000) $1,400 Avg Close $39.87 Range $35.73 - $44.30

Q2 2015

Shares 26,100 Value ($000) $1,176 Avg Close $38.87 Range $36.94 - $40.69

Q1 2015

Shares 26,100 Value ($000) $1,211 Avg Close $37.07 Range $33.21 - $40.57

Q4 2014

Shares 25,500 Value ($000) $1,089 Avg Close $35.30 Range $30.04 - $40.52

Q3 2014

Shares 24,900 Value ($000) $894 Avg Close $34.84 Range $30.82 - $37.97

Q2 2014

Shares 24,900 Value ($000) $1,075 Avg Close $36.87 Range $34.10 - $39.69

Q1 2014

Shares 24,900 Value ($000) $1,126 Avg Close $37.58 Range $34.73 - $40.51

Q4 2013

Shares 18,700 Value ($000) $864 Avg Close $38.90 Range $36.04 - $42.14

Q3 2013

Shares 18,700 Value ($000) $873 Avg Close $36.35 Range $33.62 - $39.43

Q2 2013

Shares 19,300 Value ($000) $775 Avg Close $35.20 Range $33.13 - $38.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	49,003	$3,751	$75.03	$70.10 - $79.81
Q3 2025	48,403	$3,735	$82.49	$73.21 - $89.37
Q2 2025	48,003	$4,037	$86.03	$78.60 - $94.32
Q1 2025	48,303	$4,577	$103.54	$91.98 - $114.58
Q4 2024	49,103	$5,404	$111.62	$104.73 - $124.78
Q3 2024	48,703	$5,508	$113.17	$101.07 - $129.81
Q2 2024	49,003	$6,056	$121.30	$115.10 - $129.23
Q1 2024	49,003	$6,318	$117.37	$110.33 - $126.78
Q4 2023	49,003	$6,039	$102.52	$91.88 - $121.65
Q3 2023	54,703	$5,591	$100.32	$93.27 - $107.44
Q2 2023	54,303	$5,454	$95.78	$88.08 - $103.21
Q1 2023	53,403	$5,483	$102.60	$90.19 - $110.59
Q4 2022	59,803	$6,151	$96.50	$78.79 - $110.27
Q3 2022	58,803	$5,038	$89.51	$80.19 - $98.62
Q2 2022	58,303	$5,585	$91.85	$81.71 - $101.29
Q1 2022	58,303	$5,396	$89.19	$83.58 - $94.67
Q4 2021	54,403	$4,915	$82.93	$76.29 - $89.94
Q3 2021	54,403	$4,582	$83.46	$75.85 - $90.38
Q2 2021	54,203	$4,911	$92.53	$83.80 - $100.29
Q1 2021	56,203	$5,771	$92.10	$80.91 - $99.72
Q4 2020	55,703	$5,054	$71.95	$57.19 - $85.43
Q3 2020	55,703	$3,527	$68.67	$56.85 - $78.17
Q2 2020	54,803	$4,234	$67.35	$57.02 - $79.77
Q1 2020	47,503	$3,301	$83.79	$52.02 - $98.93
Q4 2019	46,803	$4,841	$87.47	$77.84 - $97.70
Q3 2019	46,003	$4,101	$81.78	$74.31 - $88.66
Q2 2019	45,503	$4,152	$76.63	$71.16 - $83.47
Q1 2019	44,503	$3,709	$67.58	$51.63 - $78.46
Q4 2018	43,203	$2,668	$62.18	$48.12 - $70.66
Q3 2018	42,103	$3,231	$70.20	$64.67 - $74.99
Q2 2018	42,103	$3,223	$67.39	$59.37 - $73.05
Q1 2018	42,103	$2,888	$62.31	$55.67 - $66.49
Q4 2017	40,703	$2,874	$59.54	$53.90 - $66.58
Q3 2017	40,703	$2,509	$53.37	$48.20 - $59.20
Q2 2017	40,703	$2,668	$57.04	$53.20 - $62.50
Q1 2017	39,403	$2,551	$59.26	$51.41 - $66.19
Q4 2016	39,403	$2,699	$56.82	$47.94 - $64.99
Q3 2016	38,403	$2,335	$48.99	$39.67 - $53.81
Q2 2016	39,903	$1,835	$41.52	$37.19 - $44.47
Q1 2016	39,403	$1,650	$40.40	$36.39 - $46.84
Q4 2015	30,100	$1,635	$48.12	$40.31 - $52.05
Q3 2015	30,100	$1,400	$39.87	$35.73 - $44.30
Q2 2015	26,100	$1,176	$38.87	$36.94 - $40.69
Q1 2015	26,100	$1,211	$37.07	$33.21 - $40.57
Q4 2014	25,500	$1,089	$35.30	$30.04 - $40.52
Q3 2014	24,900	$894	$34.84	$30.82 - $37.97
Q2 2014	24,900	$1,075	$36.87	$34.10 - $39.69
Q1 2014	24,900	$1,126	$37.58	$34.73 - $40.51
Q4 2013	18,700	$864	$38.90	$36.04 - $42.14
Q3 2013	18,700	$873	$36.35	$33.62 - $39.43
Q2 2013	19,300	$775	$35.20	$33.13 - $38.11