ICON PLC

Ticker: ICLR CUSIP: G4705A100 Class: SHS

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 54,464 Value ($000) $9,924 Avg Close $178.08 Range $154.12 - $198.30

Q3 2025

Shares 45,807 Value ($000) $8,016 Avg Close $167.36 Range $139.15 - $211.00

Q2 2025

Shares 35,970 Value ($000) $5,232 Avg Close $141.84 Range $125.10 - $175.88

Q1 2025

Shares 24,942 Value ($000) $4,365 Avg Close $193.87 Range $168.00 - $228.29

Q4 2024

Shares 20,118 Value ($000) $4,219 Avg Close $233.52 Range $183.38 - $303.69

Q3 2024

Shares 19,020 Value ($000) $5,465 Avg Close $315.33 Range $269.08 - $347.72

Q2 2024

Shares 19,181 Value ($000) $6,013 Avg Close $313.39 Range $287.02 - $338.98

Q1 2024

Shares 32,760 Value ($000) $11,006 Avg Close $294.81 Range $244.59 - $344.77

Q4 2023

Shares 31,252 Value ($000) $8,847 Avg Close $258.75 Range $221.20 - $288.50

Q3 2023

Shares 31,023 Value ($000) $7,639 Avg Close $252.02 Range $233.81 - $268.07

Q2 2023

Shares 30,264 Value ($000) $7,572 Avg Close $212.31 Range $181.92 - $252.15

Q1 2023

Shares 18,185 Value ($000) $3,884 Avg Close $222.55 Range $190.73 - $247.47

Q4 2022

Shares 17,872 Value ($000) $3,472 Avg Close $198.26 Range $171.43 - $229.84

Q3 2022

Shares 18,847 Value ($000) $3,464 Avg Close $217.64 Range $179.95 - $249.62

Q2 2022

Shares 20,655 Value ($000) $4,476 Avg Close $224.24 Range $196.34 - $263.62

Q1 2022

Shares 22,236 Value ($000) $5,409 Avg Close $250.60 Range $208.13 - $312.28

Q4 2021

Shares 21,602 Value ($000) $6,691 Avg Close $279.80 Range $254.34 - $313.00

Q3 2021

Shares 19,742 Value ($000) $5,173 Avg Close $243.05 Range $205.10 - $301.72

Q2 2021

Shares 18,103 Value ($000) $3,743 Avg Close $215.79 Range $193.25 - $234.22

Q1 2021

Shares 12,407 Value ($000) $2,437 Avg Close $197.42 Range $168.76 - $223.62

Q4 2020

Shares 12,233 Value ($000) $2,386 Avg Close $195.53 Range $177.52 - $215.29

Q3 2020

Shares 12,188 Value ($000) $2,330 Avg Close $183.83 Range $166.66 - $199.83

Q2 2020

Shares 12,306 Value ($000) $2,074 Avg Close $157.56 Range $127.00 - $173.77

Q1 2020

Shares 15,091 Value ($000) $2,053 Avg Close $160.09 Range $104.28 - $178.99

Q4 2019

Shares 82,381 Value ($000) $14,189 Avg Close $154.22 Range $138.50 - $172.45

Q3 2019

Shares 88,577 Value ($000) $13,051 Avg Close $153.57 Range $145.33 - $165.14

Q2 2019

Shares 75,568 Value ($000) $11,636 Avg Close $140.24 Range $128.52 - $154.40

Q1 2019

Shares 78,412 Value ($000) $10,710 Avg Close $136.30 Range $118.10 - $147.31

Q4 2018

Shares 24,395 Value ($000) $3,153 Avg Close $138.12 Range $119.08 - $155.33

Q3 2018

Shares 25,871 Value ($000) $3,978 Avg Close $143.37 Range $130.22 - $154.10

Q2 2018

Shares 26,177 Value ($000) $3,470 Avg Close $124.66 Range $110.21 - $138.17

Q1 2018

Shares 23,861 Value ($000) $2,819 Avg Close $114.70 Range $101.22 - $124.65

Q4 2017

Shares 21,677 Value ($000) $2,432 Avg Close $115.23 Range $110.54 - $124.48

Q3 2017

Shares 18,291 Value ($000) $2,083 Avg Close $106.27 Range $96.03 - $117.53

Q2 2017

Shares 16,713 Value ($000) $1,635 Avg Close $88.44 Range $76.46 - $100.87

Q1 2017

Shares 12,021 Value ($000) $959 Avg Close $81.89 Range $74.30 - $88.90

Q4 2016

Shares 9,840 Value ($000) $740 Avg Close $77.66 Range $73.76 - $85.74

Q3 2016

Shares 8,697 Value ($000) $673 Avg Close $75.14 Range $69.05 - $79.61

Q2 2016

Shares 7,814 Value ($000) $548 Avg Close $68.64 Range $62.31 - $77.08

Q1 2016

Shares 7,147 Value ($000) $537 Avg Close $70.08 Range $64.08 - $77.79

Q4 2015

Shares 6,802 Value ($000) $529 Avg Close $71.41 Range $63.20 - $78.88

Q3 2015

Shares 6,890 Value ($000) $489 Avg Close $75.27 Range $64.27 - $84.14

Q2 2015

Shares 6,405 Value ($000) $432 Avg Close $67.47 Range $62.36 - $71.80

Q1 2015

Shares 4,807 Value ($000) $340 Avg Close $61.98 Range $50.91 - $72.40

Q4 2014

Shares 106,981 Value ($000) $5,455 Avg Close $53.92 Range $49.75 - $59.81

Q3 2014

Shares 30,030 Value ($000) $1,719 Avg Close $51.48 Range $45.50 - $57.98

Q2 2014

Shares 97,200 Value ($000) $4,580 Avg Close $43.18 Range $35.33 - $49.39

Q1 2014

Shares 84,280 Value ($000) $4,008 Avg Close $44.59 Range $38.91 - $50.00

Q4 2013

Shares 207,790 Value ($000) $8,397 Avg Close $39.76 Range $36.42 - $44.23

Q3 2013

Shares 232,680 Value ($000) $9,566 Avg Close $38.50 Range $35.50 - $41.29

Q2 2013

Shares 140,100 Value ($000) $5,097 Avg Close $32.90 Range $29.07 - $36.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	54,464	$9,924	$178.08	$154.12 - $198.30
Q3 2025	45,807	$8,016	$167.36	$139.15 - $211.00
Q2 2025	35,970	$5,232	$141.84	$125.10 - $175.88
Q1 2025	24,942	$4,365	$193.87	$168.00 - $228.29
Q4 2024	20,118	$4,219	$233.52	$183.38 - $303.69
Q3 2024	19,020	$5,465	$315.33	$269.08 - $347.72
Q2 2024	19,181	$6,013	$313.39	$287.02 - $338.98
Q1 2024	32,760	$11,006	$294.81	$244.59 - $344.77
Q4 2023	31,252	$8,847	$258.75	$221.20 - $288.50
Q3 2023	31,023	$7,639	$252.02	$233.81 - $268.07
Q2 2023	30,264	$7,572	$212.31	$181.92 - $252.15
Q1 2023	18,185	$3,884	$222.55	$190.73 - $247.47
Q4 2022	17,872	$3,472	$198.26	$171.43 - $229.84
Q3 2022	18,847	$3,464	$217.64	$179.95 - $249.62
Q2 2022	20,655	$4,476	$224.24	$196.34 - $263.62
Q1 2022	22,236	$5,409	$250.60	$208.13 - $312.28
Q4 2021	21,602	$6,691	$279.80	$254.34 - $313.00
Q3 2021	19,742	$5,173	$243.05	$205.10 - $301.72
Q2 2021	18,103	$3,743	$215.79	$193.25 - $234.22
Q1 2021	12,407	$2,437	$197.42	$168.76 - $223.62
Q4 2020	12,233	$2,386	$195.53	$177.52 - $215.29
Q3 2020	12,188	$2,330	$183.83	$166.66 - $199.83
Q2 2020	12,306	$2,074	$157.56	$127.00 - $173.77
Q1 2020	15,091	$2,053	$160.09	$104.28 - $178.99
Q4 2019	82,381	$14,189	$154.22	$138.50 - $172.45
Q3 2019	88,577	$13,051	$153.57	$145.33 - $165.14
Q2 2019	75,568	$11,636	$140.24	$128.52 - $154.40
Q1 2019	78,412	$10,710	$136.30	$118.10 - $147.31
Q4 2018	24,395	$3,153	$138.12	$119.08 - $155.33
Q3 2018	25,871	$3,978	$143.37	$130.22 - $154.10
Q2 2018	26,177	$3,470	$124.66	$110.21 - $138.17
Q1 2018	23,861	$2,819	$114.70	$101.22 - $124.65
Q4 2017	21,677	$2,432	$115.23	$110.54 - $124.48
Q3 2017	18,291	$2,083	$106.27	$96.03 - $117.53
Q2 2017	16,713	$1,635	$88.44	$76.46 - $100.87
Q1 2017	12,021	$959	$81.89	$74.30 - $88.90
Q4 2016	9,840	$740	$77.66	$73.76 - $85.74
Q3 2016	8,697	$673	$75.14	$69.05 - $79.61
Q2 2016	7,814	$548	$68.64	$62.31 - $77.08
Q1 2016	7,147	$537	$70.08	$64.08 - $77.79
Q4 2015	6,802	$529	$71.41	$63.20 - $78.88
Q3 2015	6,890	$489	$75.27	$64.27 - $84.14
Q2 2015	6,405	$432	$67.47	$62.36 - $71.80
Q1 2015	4,807	$340	$61.98	$50.91 - $72.40
Q4 2014	106,981	$5,455	$53.92	$49.75 - $59.81
Q3 2014	30,030	$1,719	$51.48	$45.50 - $57.98
Q2 2014	97,200	$4,580	$43.18	$35.33 - $49.39
Q1 2014	84,280	$4,008	$44.59	$38.91 - $50.00
Q4 2013	207,790	$8,397	$39.76	$36.42 - $44.23
Q3 2013	232,680	$9,566	$38.50	$35.50 - $41.29
Q2 2013	140,100	$5,097	$32.90	$29.07 - $36.71