ICON PLC

Ticker: ICLR CUSIP: G4705A100 Class: SHS

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q4 2025

Shares 653,319 Value ($000) $119,048 Avg Close $178.08 Range $154.12 - $198.30

Q3 2025

Shares 1,477,101 Value ($000) $258,493 Avg Close $167.36 Range $139.15 - $211.00

Q2 2025

Shares 2,434,011 Value ($000) $354,027 Avg Close $141.84 Range $125.10 - $175.88

Q1 2025

Shares 1,661,736 Value ($000) $290,787 Avg Close $193.87 Range $168.00 - $228.29

Q4 2024

Shares 1,116,205 Value ($000) $234,079 Avg Close $233.52 Range $183.38 - $303.69

Q3 2024

Shares 165,465 Value ($000) $47,540 Avg Close $315.33 Range $269.08 - $347.72

Q2 2024

Shares 79,739 Value ($000) $24,996 Avg Close $313.39 Range $287.02 - $338.98

Q1 2024

Shares 186,207 Value ($000) $62,556 Avg Close $294.81 Range $244.59 - $344.77

Q4 2023

Shares 90,743 Value ($000) $25,687 Avg Close $258.75 Range $221.20 - $288.50

Q1 2023

Shares 73,575 Value ($000) $15,715 Avg Close $222.55 Range $190.73 - $247.47

Q4 2022

Shares 88,808 Value ($000) $17,251 Avg Close $198.26 Range $171.43 - $229.84

Q3 2022

Shares 6,623 Value ($000) $1,217 Avg Close $217.64 Range $179.95 - $249.62

Q2 2022

Shares 11,358 Value ($000) $2,461 Avg Close $224.24 Range $196.34 - $263.62

Q1 2022

Shares 14,731 Value ($000) $3,583 Avg Close $250.60 Range $208.13 - $312.28

Q4 2021

Shares 23,001 Value ($000) $7,123 Avg Close $279.80 Range $254.34 - $313.00

Q3 2021

Shares 42,377 Value ($000) $11,104 Avg Close $243.05 Range $205.10 - $301.72

Q2 2021

Shares 314,041 Value ($000) $64,915 Avg Close $215.79 Range $193.25 - $234.22

Q1 2021

Shares 315,684 Value ($000) $61,991 Avg Close $197.42 Range $168.76 - $223.62

Q4 2020

Shares 102,052 Value ($000) $19,898 Avg Close $195.53 Range $177.52 - $215.29

Q3 2020

Shares 137,558 Value ($000) $26,286 Avg Close $183.83 Range $166.66 - $199.83

Q2 2020

Shares 157,367 Value ($000) $26,510 Avg Close $157.56 Range $127.00 - $173.77

Q1 2020

Shares 132,221 Value ($000) $17,982 Avg Close $160.09 Range $104.28 - $178.99

Q4 2019

Shares 233,764 Value ($000) $40,262 Avg Close $154.22 Range $138.50 - $172.45

Q3 2019

Shares 347,720 Value ($000) $51,233 Avg Close $153.57 Range $145.33 - $165.14

Q2 2019

Shares 372,219 Value ($000) $57,311 Avg Close $140.24 Range $128.52 - $154.40

Q1 2019

Shares 346,496 Value ($000) $47,324 Avg Close $136.30 Range $118.10 - $147.31

Q4 2018

Shares 19,954 Value ($000) $2,578 Avg Close $138.12 Range $119.08 - $155.33

Q3 2018

Shares 6,001 Value ($000) $923 Avg Close $143.37 Range $130.22 - $154.10

Q4 2017

Shares 60,318 Value ($000) $6,765 Avg Close $115.23 Range $110.54 - $124.48

Q3 2017

Shares 20,630 Value ($000) $2,349 Avg Close $106.27 Range $96.03 - $117.53

Q2 2017

Shares 84,257 Value ($000) $8,239 Avg Close $88.44 Range $76.46 - $100.87

Q1 2017

Shares 31,852 Value ($000) $2,539 Avg Close $81.89 Range $74.30 - $88.90

Q4 2016

Shares 60,529 Value ($000) $4,552 Avg Close $77.66 Range $73.76 - $85.74

Q3 2016

Shares 25,313 Value ($000) $1,958 Avg Close $75.14 Range $69.05 - $79.61

Q2 2016

Shares 15,462 Value ($000) $1,082 Avg Close $68.64 Range $62.31 - $77.08

Q1 2016

Shares 29,818 Value ($000) $2,239 Avg Close $70.08 Range $64.08 - $77.79

Q4 2015

Shares 44,296 Value ($000) $3,442 Avg Close $71.41 Range $63.20 - $78.88

Q3 2015

Shares 139,239 Value ($000) $9,882 Avg Close $75.27 Range $64.27 - $84.14

Q2 2015

Shares 139,599 Value ($000) $9,395 Avg Close $67.47 Range $62.36 - $71.80

Q1 2015

Shares 278,075 Value ($000) $19,613 Avg Close $61.98 Range $50.91 - $72.40

Q4 2014

Shares 176,436 Value ($000) $8,996 Avg Close $53.92 Range $49.75 - $59.81

Q3 2014

Shares 305,558 Value ($000) $17,487 Avg Close $51.48 Range $45.50 - $57.98

Q2 2014

Shares 533,504 Value ($000) $25,133 Avg Close $43.18 Range $35.33 - $49.39

Q1 2014

Shares 570,635 Value ($000) $27,133 Avg Close $44.59 Range $38.91 - $50.00

Q4 2013

Shares 501,366 Value ($000) $20,260 Avg Close $39.76 Range $36.42 - $44.23

Q3 2013

Shares 490,152 Value ($000) $20,062 Avg Close $38.50 Range $35.50 - $41.29

Q2 2013

Shares 484,043 Value ($000) $17,150 Avg Close $32.90 Range $29.07 - $36.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	653,319	$119,048	$178.08	$154.12 - $198.30
Q3 2025	1,477,101	$258,493	$167.36	$139.15 - $211.00
Q2 2025	2,434,011	$354,027	$141.84	$125.10 - $175.88
Q1 2025	1,661,736	$290,787	$193.87	$168.00 - $228.29
Q4 2024	1,116,205	$234,079	$233.52	$183.38 - $303.69
Q3 2024	165,465	$47,540	$315.33	$269.08 - $347.72
Q2 2024	79,739	$24,996	$313.39	$287.02 - $338.98
Q1 2024	186,207	$62,556	$294.81	$244.59 - $344.77
Q4 2023	90,743	$25,687	$258.75	$221.20 - $288.50
Q1 2023	73,575	$15,715	$222.55	$190.73 - $247.47
Q4 2022	88,808	$17,251	$198.26	$171.43 - $229.84
Q3 2022	6,623	$1,217	$217.64	$179.95 - $249.62
Q2 2022	11,358	$2,461	$224.24	$196.34 - $263.62
Q1 2022	14,731	$3,583	$250.60	$208.13 - $312.28
Q4 2021	23,001	$7,123	$279.80	$254.34 - $313.00
Q3 2021	42,377	$11,104	$243.05	$205.10 - $301.72
Q2 2021	314,041	$64,915	$215.79	$193.25 - $234.22
Q1 2021	315,684	$61,991	$197.42	$168.76 - $223.62
Q4 2020	102,052	$19,898	$195.53	$177.52 - $215.29
Q3 2020	137,558	$26,286	$183.83	$166.66 - $199.83
Q2 2020	157,367	$26,510	$157.56	$127.00 - $173.77
Q1 2020	132,221	$17,982	$160.09	$104.28 - $178.99
Q4 2019	233,764	$40,262	$154.22	$138.50 - $172.45
Q3 2019	347,720	$51,233	$153.57	$145.33 - $165.14
Q2 2019	372,219	$57,311	$140.24	$128.52 - $154.40
Q1 2019	346,496	$47,324	$136.30	$118.10 - $147.31
Q4 2018	19,954	$2,578	$138.12	$119.08 - $155.33
Q3 2018	6,001	$923	$143.37	$130.22 - $154.10
Q4 2017	60,318	$6,765	$115.23	$110.54 - $124.48
Q3 2017	20,630	$2,349	$106.27	$96.03 - $117.53
Q2 2017	84,257	$8,239	$88.44	$76.46 - $100.87
Q1 2017	31,852	$2,539	$81.89	$74.30 - $88.90
Q4 2016	60,529	$4,552	$77.66	$73.76 - $85.74
Q3 2016	25,313	$1,958	$75.14	$69.05 - $79.61
Q2 2016	15,462	$1,082	$68.64	$62.31 - $77.08
Q1 2016	29,818	$2,239	$70.08	$64.08 - $77.79
Q4 2015	44,296	$3,442	$71.41	$63.20 - $78.88
Q3 2015	139,239	$9,882	$75.27	$64.27 - $84.14
Q2 2015	139,599	$9,395	$67.47	$62.36 - $71.80
Q1 2015	278,075	$19,613	$61.98	$50.91 - $72.40
Q4 2014	176,436	$8,996	$53.92	$49.75 - $59.81
Q3 2014	305,558	$17,487	$51.48	$45.50 - $57.98
Q2 2014	533,504	$25,133	$43.18	$35.33 - $49.39
Q1 2014	570,635	$27,133	$44.59	$38.91 - $50.00
Q4 2013	501,366	$20,260	$39.76	$36.42 - $44.23
Q3 2013	490,152	$20,062	$38.50	$35.50 - $41.29
Q2 2013	484,043	$17,150	$32.90	$29.07 - $36.71