ICON PLC

Ticker: ICLR CUSIP: G4705A100 Class: SHS

MILLENNIUM MANAGEMENT LLC's Holding History (CIK: 0001273087)

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

Q3 2025

Shares 222,181 Value ($000) $38,882 Avg Close $167.36 Range $139.15 - $211.00

Q2 2025

Shares 617,897 Value ($000) $89,873 Avg Close $141.84 Range $125.10 - $175.88

Q1 2025

Shares 115,439 Value ($000) $20,201 Avg Close $193.87 Range $168.00 - $228.29

Q4 2024

Shares 225,632 Value ($000) $47,317 Avg Close $233.52 Range $183.38 - $303.69

Q3 2024

Shares 775,100 Value ($000) $222,694 Avg Close $315.33 Range $269.08 - $347.72

Q2 2024

Shares 865,357 Value ($000) $271,263 Avg Close $313.39 Range $287.02 - $338.98

Q1 2024

Shares 603,276 Value ($000) $202,671 Avg Close $294.81 Range $244.59 - $344.77

Q4 2023

Shares 677,825 Value ($000) $191,872 Avg Close $258.75 Range $221.20 - $288.50

Q3 2023

Shares 789,867 Value ($000) $194,505 Avg Close $252.02 Range $233.81 - $268.07

Q2 2023

Shares 642,333 Value ($000) $160,712 Avg Close $212.31 Range $181.92 - $252.15

Q1 2023

Shares 1,005,484 Value ($000) $215 Avg Close $222.55 Range $190.73 - $247.47

Q4 2022

Shares 315,430 Value ($000) $61 Avg Close $198.26 Range $171.43 - $229.84

Q3 2022

Shares 320,398 Value ($000) $58,883 Avg Close $217.64 Range $179.95 - $249.62

Q2 2022

Shares 355,264 Value ($000) $76,986 Avg Close $224.24 Range $196.34 - $263.62

Q1 2022

Shares 272,816 Value ($000) $66,354 Avg Close $250.60 Range $208.13 - $312.28

Q4 2021

Shares 28,537 Value ($000) $8,838 Avg Close $279.80 Range $254.34 - $313.00

Q3 2021

Shares 253,804 Value ($000) $66,502 Avg Close $243.05 Range $205.10 - $301.72

Q2 2021

Shares 897,887 Value ($000) $185,602 Avg Close $215.79 Range $193.25 - $234.22

Q1 2021

Shares 170,651 Value ($000) $33,511 Avg Close $197.42 Range $168.76 - $223.62

Q4 2020

Shares 94,322 Value ($000) $18,391 Avg Close $195.53 Range $177.52 - $215.29

Q3 2020

Shares 29,294 Value ($000) $5,598 Avg Close $183.83 Range $166.66 - $199.83

Q2 2020

Shares 44,243 Value ($000) $7,453 Avg Close $157.56 Range $127.00 - $173.77

Q1 2020

Shares 90,178 Value ($000) $12,264 Avg Close $160.09 Range $104.28 - $178.99

Q4 2019

Shares 40,603 Value ($000) $6,993 Avg Close $154.22 Range $138.50 - $172.45

Q3 2019

Shares 150,840 Value ($000) $22,224 Avg Close $153.57 Range $145.33 - $165.14

Q2 2019

Shares 414,563 Value ($000) $63,830 Avg Close $140.24 Range $128.52 - $154.40

Q1 2019

Shares 837,253 Value ($000) $114,352 Avg Close $136.30 Range $118.10 - $147.31

Q4 2018

Shares 550,844 Value ($000) $71,175 Avg Close $138.12 Range $119.08 - $155.33

Q3 2018

Shares 736,732 Value ($000) $113,273 Avg Close $143.37 Range $130.22 - $154.10

Q2 2018

Shares 333,947 Value ($000) $44,258 Avg Close $124.66 Range $110.21 - $138.17

Q1 2018

Shares 602,923 Value ($000) $71,229 Avg Close $114.70 Range $101.22 - $124.65

Q4 2017

Shares 606,270 Value ($000) $67,993 Avg Close $115.23 Range $110.54 - $124.48

Q3 2017

Shares 605,737 Value ($000) $68,981 Avg Close $106.27 Range $96.03 - $117.53

Q2 2017

Shares 194,839 Value ($000) $19,053 Avg Close $88.44 Range $76.46 - $100.87

Q1 2017

Shares 132,045 Value ($000) $10,527 Avg Close $81.89 Range $74.30 - $88.90

Q4 2016

Shares 132,897 Value ($000) $9,994 Avg Close $77.66 Range $73.76 - $85.74

Q3 2016

Shares 1,185,231 Value ($000) $91,701 Avg Close $75.14 Range $69.05 - $79.61

Q2 2016

Shares 972,148 Value ($000) $68,060 Avg Close $68.64 Range $62.31 - $77.08

Q1 2016

Shares 239,031 Value ($000) $17,951 Avg Close $70.08 Range $64.08 - $77.79

Q3 2015

Shares 67,530 Value ($000) $4,793 Avg Close $75.27 Range $64.27 - $84.14

Q1 2015

Shares 112,509 Value ($000) $7,935 Avg Close $61.98 Range $50.91 - $72.40

Q4 2014

Shares 55,214 Value ($000) $2,815 Avg Close $53.92 Range $49.75 - $59.81

Q3 2014

Shares 409,719 Value ($000) $23,448 Avg Close $51.48 Range $45.50 - $57.98

Q2 2014

Shares 288,777 Value ($000) $13,604 Avg Close $43.18 Range $35.33 - $49.39

Q1 2014

Shares 956,465 Value ($000) $45,480 Avg Close $44.59 Range $38.91 - $50.00

Q4 2013

Shares 750,134 Value ($000) $30,317 Avg Close $39.76 Range $36.42 - $44.23

Q3 2013

Shares 309,070 Value ($000) $12,650 Avg Close $38.50 Range $35.50 - $41.29

Q2 2013

Shares 274,269 Value ($000) $9,717 Avg Close $32.90 Range $29.07 - $36.71

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	222,181	$38,882	$167.36	$139.15 - $211.00
Q2 2025	617,897	$89,873	$141.84	$125.10 - $175.88
Q1 2025	115,439	$20,201	$193.87	$168.00 - $228.29
Q4 2024	225,632	$47,317	$233.52	$183.38 - $303.69
Q3 2024	775,100	$222,694	$315.33	$269.08 - $347.72
Q2 2024	865,357	$271,263	$313.39	$287.02 - $338.98
Q1 2024	603,276	$202,671	$294.81	$244.59 - $344.77
Q4 2023	677,825	$191,872	$258.75	$221.20 - $288.50
Q3 2023	789,867	$194,505	$252.02	$233.81 - $268.07
Q2 2023	642,333	$160,712	$212.31	$181.92 - $252.15
Q1 2023	1,005,484	$215	$222.55	$190.73 - $247.47
Q4 2022	315,430	$61	$198.26	$171.43 - $229.84
Q3 2022	320,398	$58,883	$217.64	$179.95 - $249.62
Q2 2022	355,264	$76,986	$224.24	$196.34 - $263.62
Q1 2022	272,816	$66,354	$250.60	$208.13 - $312.28
Q4 2021	28,537	$8,838	$279.80	$254.34 - $313.00
Q3 2021	253,804	$66,502	$243.05	$205.10 - $301.72
Q2 2021	897,887	$185,602	$215.79	$193.25 - $234.22
Q1 2021	170,651	$33,511	$197.42	$168.76 - $223.62
Q4 2020	94,322	$18,391	$195.53	$177.52 - $215.29
Q3 2020	29,294	$5,598	$183.83	$166.66 - $199.83
Q2 2020	44,243	$7,453	$157.56	$127.00 - $173.77
Q1 2020	90,178	$12,264	$160.09	$104.28 - $178.99
Q4 2019	40,603	$6,993	$154.22	$138.50 - $172.45
Q3 2019	150,840	$22,224	$153.57	$145.33 - $165.14
Q2 2019	414,563	$63,830	$140.24	$128.52 - $154.40
Q1 2019	837,253	$114,352	$136.30	$118.10 - $147.31
Q4 2018	550,844	$71,175	$138.12	$119.08 - $155.33
Q3 2018	736,732	$113,273	$143.37	$130.22 - $154.10
Q2 2018	333,947	$44,258	$124.66	$110.21 - $138.17
Q1 2018	602,923	$71,229	$114.70	$101.22 - $124.65
Q4 2017	606,270	$67,993	$115.23	$110.54 - $124.48
Q3 2017	605,737	$68,981	$106.27	$96.03 - $117.53
Q2 2017	194,839	$19,053	$88.44	$76.46 - $100.87
Q1 2017	132,045	$10,527	$81.89	$74.30 - $88.90
Q4 2016	132,897	$9,994	$77.66	$73.76 - $85.74
Q3 2016	1,185,231	$91,701	$75.14	$69.05 - $79.61
Q2 2016	972,148	$68,060	$68.64	$62.31 - $77.08
Q1 2016	239,031	$17,951	$70.08	$64.08 - $77.79
Q3 2015	67,530	$4,793	$75.27	$64.27 - $84.14
Q1 2015	112,509	$7,935	$61.98	$50.91 - $72.40
Q4 2014	55,214	$2,815	$53.92	$49.75 - $59.81
Q3 2014	409,719	$23,448	$51.48	$45.50 - $57.98
Q2 2014	288,777	$13,604	$43.18	$35.33 - $49.39
Q1 2014	956,465	$45,480	$44.59	$38.91 - $50.00
Q4 2013	750,134	$30,317	$39.76	$36.42 - $44.23
Q3 2013	309,070	$12,650	$38.50	$35.50 - $41.29
Q2 2013	274,269	$9,717	$32.90	$29.07 - $36.71