Westfield Capital Management CO LP Mks Instruments Inc Transaction History

Westfield Capital Management CO LP

$21.2 Billion
Q3 2024

A detailed history of Westfield Capital Management CO LP transactions in Mks Instruments Inc stock. As of the latest transaction made, Westfield Capital Management CO LP holds 24,100 shares of MKSI stock, worth $2.64 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares

24,100

Previous 24,100 -0.0%

Holding current value

$2.64 Million

Previous $3.15 Million 16.75%

% of portfolio

0.01%

Previous 0.02%

22 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2024 Aug 14, 2024	SELL	$108.17 - $137.16 $64.5 Million - $81.7 Million	-595,963 Reduced 96.11%	24,100 $3.15 Million
Q1 2024 May 10, 2024	BUY	$97.35 - $133.36 $2.95 Million - $4.05 Million	30,348 Added 5.15%	620,063 $82.5 Million
Q4 2023 Feb 09, 2024	BUY	$65.32 - $105.03 $38.5 Million - $61.9 Million	589,715 New	589,715 $60.7 Million
Q3 2022 Nov 14, 2022	BUY	$82.31 - $123.77 $5.04 Million - $7.59 Million	61,287 Added 8.67%	768,447 $63.5 Million
Q2 2022 Aug 12, 2022	BUY	$99.35 - $144.63 $13 Million - $18.9 Million	130,517 Added 22.63%	707,160 $72.6 Million
Q1 2022 May 16, 2022	BUY	$136.3 - $180.69 $3.4 Million - $4.51 Million	24,950 Added 4.52%	576,643 $86.5 Million
Q4 2021 Feb 10, 2022	SELL	$141.92 - $177.58 $323,435 - $404,704	-2,279 Reduced 0.41%	551,693 $96.1 Million
Q3 2021 Nov 12, 2021	BUY	$140.42 - $170.77 $27.5 Million - $33.5 Million	195,969 Added 54.74%	553,972 $83.6 Million
Q2 2021 Aug 10, 2021	BUY	$165.96 - $196.86 $5.57 Million - $6.6 Million	33,546 Added 10.34%	358,003 $63.7 Million
Q1 2021 May 14, 2021	SELL	$147.92 - $188.24 $631,322 - $803,408	-4,268 Reduced 1.3%	324,457 $60.2 Million
Q4 2020 Feb 12, 2021	BUY	$108.39 - $156.88 $4.09 Million - $5.92 Million	37,729 Added 12.97%	328,725 $49.5 Million
Q3 2020 Nov 13, 2020	BUY	$103.3 - $128.48 $8.92 Million - $11.1 Million	86,361 Added 42.2%	290,996 $31.8 Million
Q2 2020 Aug 13, 2020	SELL	$74.98 - $114.61 $3.78 Million - $5.77 Million	-50,355 Reduced 19.75%	204,635 $23.2 Million
Q1 2020 May 14, 2020	BUY	$70.88 - $120.84 $3.07 Million - $5.23 Million	43,255 Added 20.43%	254,990 $20.8 Million
Q4 2019 Feb 13, 2020	BUY	$87.04 - $114.73 $18.4 Million - $24.3 Million	211,735 New	211,735 $23.3 Million
Q1 2019 May 14, 2019	SELL	$63.07 - $93.05 $12 Million - $17.7 Million	-190,652 Closed	0 $0
Q4 2018 Feb 08, 2019	SELL	$57.0 - $81.38 $6.4 Million - $9.13 Million	-112,199 Reduced 37.05%	190,652 $12.3 Million
Q3 2018 Nov 14, 2018	BUY	$78.95 - $102.8 $23.9 Million - $31.1 Million	302,851 New	302,851 $24.3 Million
Q2 2018 Aug 13, 2018	SELL	$93.1 - $122.25 $14.4 Million - $19 Million	-155,116 Closed	0 $0
Q1 2018 May 14, 2018	BUY	$95.5 - $125.45 $14.8 Million - $19.5 Million	155,116 New	155,116 $17.9 Million
Q4 2017 Feb 13, 2018	SELL	$89.5 - $108.65 $13.3 Million - $16.1 Million	-148,418 Closed	0 $0
Q3 2017 Nov 13, 2017	BUY	$76.85 - $94.45 $11.4 Million - $14 Million	148,418	148,418 $14 Million

Others Institutions Holding MKSI

# of Institutions

454

Shares Held

63.3M

Call Options Held

1.91M

Put Options Held

186K

View Full List

About MKS INSTRUMENTS INC

Ticker MKSI
Exchange NASDAQ
Sector Technology
Industry Scientific & Technical Instruments
Shares Outstandng 66,491,100
Market Cap $7.27B
Description
MKS Instruments, Inc. provides instruments, systems, subsystems, and process control solutions that measure, monitor, deliver, analyze, power, and control critical parameters of manufacturing processes worldwide. Its Vacuum & Analysis segment offers pressure and vacuum control solutions, including direct and indirect pressure measurement; ma...

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Westfield Capital Management CO LP Mks Instruments Inc Transaction History