Westfield Capital Management CO LP Icon PLC Transaction History

Westfield Capital Management CO LP

$21.9 Billion
Q3 2025

A detailed history of Westfield Capital Management CO LP transactions in Icon PLC stock. As of the latest transaction made, Westfield Capital Management CO LP holds 396,354 shares of ICLR stock, worth $64.3 Million. This represents 0.32% of its overall portfolio holdings.

Number of Shares

396,354

Previous 361,912 9.52%

Holding current value

$64.3 Million

Previous $63.3 Million 9.52%

% of portfolio

0.32%

Previous 0.33%

32 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 10, 2025	BUY	$139.63 - $195.01 $4.81 Million - $6.72 Million	34,442 Added 9.52%	396,354 $69.4 Million
Q1 2025 May 09, 2025	SELL	$174.99 - $222.58 $42.2 Million - $53.7 Million	-241,087 Reduced 39.98%	361,912 $63.3 Million
Q4 2024 Feb 11, 2025	BUY	$187.22 - $297.57 $2.11 Million - $3.35 Million	11,249 Added 1.9%	602,999 $126 Million
Q3 2024 Nov 12, 2024	BUY	$280.48 - $346.2 $18 Million - $22.2 Million	63,999 Added 12.13%	591,750 $170 Million
Q2 2024 Aug 14, 2024	SELL	$288.23 - $331.73 $2.63 Million - $3.03 Million	-9,132 Reduced 1.7%	527,751 $165 Million

Q1 2024 May 10, 2024	SELL	$247.84 - $340.0 $5.44 Million - $7.47 Million	-21,964 Reduced 3.93%	536,883 $180 Million
Q4 2023 Feb 09, 2024	BUY	$222.83 - $285.76 $630,608 - $808,700	2,830 Added 0.51%	558,847 $158 Million
Q3 2023 Nov 13, 2023	SELL	$236.44 - $265.62 $194 Million - $218 Million	-821,458 Reduced 59.64%	556,017 $137 Million
Q2 2023 Aug 11, 2023	BUY	$183.12 - $250.2 $2.18 Million - $2.98 Million	11,903 Added 0.87%	1,377,475 $345 Million
Q1 2023 May 12, 2023	SELL	$193.59 - $245.33 $4.96 Million - $6.29 Million	-25,637 Reduced 1.84%	1,365,572 $292 Million
Q4 2022 Feb 13, 2023	SELL	$173.9 - $224.8 $1.56 Million - $2.02 Million	-8,983 Reduced 0.64%	1,391,209 $270 Million
Q3 2022 Nov 14, 2022	BUY	$183.25 - $247.5 $4.67 Million - $6.31 Million	25,509 Added 1.86%	1,400,192 $257 Million
Q2 2022 Aug 12, 2022	BUY	$197.3 - $261.32 $10.5 Million - $14 Million	53,452 Added 4.05%	1,374,683 $298 Million
Q1 2022 May 16, 2022	BUY	$216.09 - $296.03 $14.4 Million - $19.7 Million	66,672 Added 5.31%	1,321,231 $321 Million
Q4 2021 Feb 10, 2022	SELL	$258.11 - $309.7 $7.84 Million - $9.41 Million	-30,384 Reduced 2.36%	1,254,559 $389 Million
Q3 2021 Nov 12, 2021	SELL	$208.53 - $283.04 $4.51 Million - $6.12 Million	-21,638 Reduced 1.66%	1,284,943 $337 Million
Q2 2021 Aug 10, 2021	SELL	$194.07 - $232.2 $38 Million - $45.5 Million	-195,753 Reduced 13.03%	1,306,581 $270 Million
Q1 2021 May 14, 2021	BUY	$171.87 - $220.96 $116 Million - $149 Million	675,378 Added 81.67%	1,502,334 $295 Million
Q4 2020 Feb 12, 2021	SELL	$180.3 - $214.08 $526,836 - $625,541	-2,922 Reduced 0.35%	826,956 $161 Million
Q3 2020 Nov 13, 2020	BUY	$166.91 - $196.1 $243,855 - $286,502	1,461 Added 0.18%	829,878 $159 Million
Q2 2020 Aug 13, 2020	BUY	$129.79 - $170.94 $7.22 Million - $9.51 Million	55,635 Added 7.2%	828,417 $140 Million
Q1 2020 May 14, 2020	BUY	$115.95 - $177.22 $10.8 Million - $16.5 Million	93,021 Added 13.68%	772,782 $105 Million
Q4 2019 Feb 13, 2020	BUY	$139.48 - $172.23 $3.15 Million - $3.89 Million	22,615 Added 3.44%	679,761 $117 Million
Q3 2019 Nov 08, 2019	SELL	$146.89 - $161.41 $344,310 - $378,345	-2,344 Reduced 0.36%	657,146 $96.8 Million
Q2 2019 Aug 13, 2019	SELL	$129.99 - $153.97 $2.97 Million - $3.52 Million	-22,835 Reduced 3.35%	659,490 $102 Million
Q1 2019 May 14, 2019	SELL	$121.3 - $146.95 $1.9 Million - $2.31 Million	-15,704 Reduced 2.25%	682,325 $93.2 Million
Q4 2018 Feb 08, 2019	BUY	$119.37 - $153.29 $6.46 Million - $8.3 Million	54,150 Added 8.41%	698,029 $90.2 Million
Q3 2018 Nov 14, 2018	BUY	$131.3 - $153.75 $6.73 Million - $7.88 Million	51,264 Added 8.65%	643,879 $99 Million
Q2 2018 Aug 13, 2018	BUY	$111.38 - $137.03 $6.33 Million - $7.79 Million	56,864 Added 10.61%	592,615 $78.5 Million
Q1 2018 May 14, 2018	SELL	$103.82 - $123.9 $32 Million - $38.2 Million	-308,302 Reduced 36.53%	535,751 $63.3 Million
Q4 2017 Feb 13, 2018	SELL	$111.14 - $123.05 $2.77 Million - $3.07 Million	-24,965 Reduced 2.87%	844,053 $94.7 Million
Q3 2017 Nov 13, 2017	BUY	$101.4 - $116.62 $88.1 Million - $101 Million	869,018	869,018 $99 Million

Others Institutions Holding ICLR

# of Institutions

586

Shares Held

73.8M

Call Options Held

115K

Put Options Held

104K

View Full List

About ICON PLC

Ticker ICLR
Exchange NASDAQ
Sector Healthcare
Industry Diagnostics & Research
Shares Outstandng 81,526,600
Market Cap $13.2B
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...

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Westfield Capital Management CO LP Icon PLC Transaction History