Simplex Trading, LLC Icon PLC Transaction History

Simplex Trading, LLC

$175 Billion
Q2 2025

A detailed history of Simplex Trading, LLC transactions in Icon PLC stock. As of the latest transaction made, Simplex Trading, LLC holds 204 shares of ICLR stock, worth $32,640. This represents 0.0% of its overall portfolio holdings.

Number of Shares

204

Holding current value

$32,640

% of portfolio

0.0%

15 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 05, 2025	BUY	$126.62 - $168.7 $25,830 - $34,414	204 New	204 $29,000
Q2 2024 Jul 25, 2024	BUY	$288.23 - $331.73 $194,555 - $223,917	675 New	675 $211,000
Q4 2023 Feb 02, 2024	BUY	$222.83 - $285.76 $109,855 - $140,879	493 Added 82.3%	1,092 $309,000
Q3 2023 Nov 01, 2023	BUY	$236.44 - $265.62 $141,627 - $159,106	599 New	599 $147,000
Q4 2022 Feb 02, 2023	BUY	$173.9 - $224.8 $490,745 - $634,385	2,822 Added 11288.0%	2,847 $553,000
Q3 2022 Nov 04, 2022	SELL	$183.25 - $247.5 $35,367 - $47,767	-193 Reduced 88.53%	25 $4,000
Q2 2022 Aug 03, 2022	SELL	$197.3 - $261.32 $533,301 - $706,347	-2,703 Reduced 92.54%	218 $47,000
Q3 2021 Oct 28, 2021	BUY	$208.53 - $283.04 $105,933 - $143,784	508 Added 21.05%	2,921 $630,000
Q2 2021 Aug 12, 2021	BUY	$194.07 - $232.2 $453,735 - $542,883	2,338 Added 3117.33%	2,413 $498,000
Q1 2021 Apr 26, 2021	BUY	$171.87 - $220.96 $12,890 - $16,572	75 New	75 $14,000
Q4 2019 Feb 05, 2020	SELL	$139.48 - $172.23 $430,853 - $532,018	-3,089 Closed	0 $0
Q3 2019 Oct 15, 2019	BUY	$146.89 - $161.41 $453,743 - $498,595	3,089 New	3,089 $455,000
Q3 2018 Oct 23, 2018	SELL	$131.3 - $153.75 $6,171 - $7,226	-47 Closed	0 $0
Q2 2018 Jul 30, 2018	SELL	$111.38 - $137.03 $180,992 - $222,673	-1,625 Reduced 97.19%	47 $6,000
Q1 2018 Apr 26, 2018	BUY	$103.82 - $123.9 $173,587 - $207,160	1,672 New	1,672 $197,000

Others Institutions Holding ICLR

# of Institutions

577

Shares Held

75.3M

Call Options Held

124K

Put Options Held

61.7K

Artisan Partners Limited Partnership Milwaukee, WI

4.29M
Shares

$687 Million
1.29% of portfolio
Wellington Management Group LLP Boston, MA

3.66M
Shares

$586 Million
0.1% of portfolio
Massachusetts Financial Services CO Boston, MA

3.5M
Shares

$561 Million
0.2% of portfolio
Principal Financial Group Inc Des Moines, IA

3.28M
Shares

$524 Million
0.31% of portfolio
Invesco Ltd. Atlanta, GA

3.09M
Shares

$494 Million
0.08% of portfolio

View Full List

About ICON PLC

Ticker ICLR
Exchange NASDAQ
Sector Healthcare
Industry Diagnostics & Research
Shares Outstandng 81,526,600
Market Cap $13B
Description
ICON Public Limited Company, a clinical research organization, provides outsourced development and commercialization services in Ireland, rest of Europe, the United States, and internationally. The company specializes in the strategic development, management, and analysis of programs that support various stages of the clinical development proces...

More about ICLR

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