Price T Rowe Associates Inc Mks Instruments Inc Transaction History

Price T Rowe Associates Inc

$935 Billion
Q3 2025

A detailed history of Price T Rowe Associates Inc transactions in Mks Instruments Inc stock. As of the latest transaction made, Price T Rowe Associates Inc holds 3,633,019 shares of MKSI stock, worth $519 Million. This represents 0.05% of its overall portfolio holdings.

Number of Shares

3,633,019

Previous 4,129,128 12.01%

Holding current value

$519 Million

Previous $410 Million 9.6%

% of portfolio

0.05%

Previous 0.05%

20 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$89.62 - $129.92 $44.5 Million - $64.5 Million	-496,109 Reduced 12.01%	3,633,019 $450 Million
Q2 2025 Aug 14, 2025	BUY	$58.78 - $100.27 $36.1 Million - $61.5 Million	613,755 Added 17.46%	4,129,128 $410 Million
Q1 2025 May 14, 2025	BUY	$78.89 - $122.69 $13.7 Million - $21.3 Million	173,945 Added 5.21%	3,515,373 $282 Million
Q4 2024 Feb 14, 2025	SELL	$98.56 - $117.93 $92.4 Million - $111 Million	-937,206 Reduced 21.9%	3,341,428 $349 Million
Q3 2024 Nov 14, 2024	SELL	$103.52 - $144.6 $266 Million - $371 Million	-2,566,927 Reduced 37.5%	4,278,634 $465 Million

Q2 2024 Aug 14, 2024	SELL	$108.17 - $137.16 $77.6 Million - $98.4 Million	-717,386 Reduced 9.49%	6,845,561 $894 Million
Q1 2024 May 15, 2024	SELL	$97.35 - $133.36 $50.8 Million - $69.5 Million	-521,384 Reduced 6.45%	7,562,947 $1.01 Billion
Q4 2023 Feb 14, 2024	BUY	$65.32 - $105.03 $217 Million - $349 Million	3,324,764 Added 69.85%	8,084,331 $832 Million
Q3 2023 Nov 14, 2023	BUY	$83.17 - $109.5 $97.5 Million - $128 Million	1,172,608 Added 32.69%	4,759,567 $412 Million
Q2 2023 Aug 14, 2023	BUY	$79.76 - $110.27 $136 Million - $188 Million	1,705,212 Added 90.62%	3,586,959 $388 Million
Q1 2023 May 15, 2023	BUY	$83.13 - $112.97 $31.9 Million - $43.3 Million	383,717 Added 25.61%	1,881,747 $167 Million
Q4 2022 Feb 14, 2023	BUY	$65.09 - $89.25 $68.9 Million - $94.4 Million	1,058,245 Added 240.63%	1,498,030 $127 Million
Q3 2022 Nov 14, 2022	BUY	$82.31 - $123.77 $68,646 - $103,224	834 Added 0.19%	439,785 $36.3 Million
Q2 2022 Aug 15, 2022	BUY	$99.35 - $144.63 $218,073 - $317,462	2,195 Added 0.5%	438,951 $45.1 Million
Q1 2022 May 16, 2022	BUY	$136.3 - $180.69 $746,106 - $989,097	5,474 Added 1.27%	436,756 $65.5 Million
Q4 2021 Feb 14, 2022	BUY	$141.92 - $177.58 $119,780 - $149,877	844 Added 0.2%	431,282 $75.1 Million
Q3 2021 Nov 15, 2021	SELL	$140.42 - $170.77 $5.56 Million - $6.77 Million	-39,618 Reduced 8.43%	430,438 $65 Million
Q2 2021 Aug 16, 2021	SELL	$165.96 - $196.86 $13.2 Million - $15.6 Million	-79,474 Reduced 14.46%	470,056 $83.6 Million
Q1 2021 May 17, 2021	SELL	$147.92 - $188.24 $74.8 Million - $95.2 Million	-505,948 Reduced 47.94%	549,530 $102 Million
Q4 2020 Feb 16, 2021	BUY	$108.39 - $156.88 $114 Million - $166 Million	1,055,478 New	1,055,478 $159 Million

Others Institutions Holding MKSI

# of Institutions

490

Shares Held

70.6M

Call Options Held

2.06M

Put Options Held

377K

View Full List

About MKS INSTRUMENTS INC

Ticker MKSI
Exchange NASDAQ
Sector Technology
Industry Scientific & Technical Instruments
Shares Outstandng 66,491,100
Market Cap $9.49B
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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Price T Rowe Associates Inc Mks Instruments Inc Transaction History