What does CUSIP 55306N104 represent in this 13F holders report?

CUSIP 55306N104 is the security identifier for MKSI - MKS INC - Common Stock used to aggregate holder disclosures.

How many institutions held MKSI - MKS INC - Common Stock in Q3 2018?

377 institutional investors reported MKSI - MKS INC - Common Stock for Q3 2018. Use the holders table for investor-level position and value details.

MKS INC - Common Stock (MKSI)

CUSIP: 55306N104

Q3 2018 13F Holders as of 30 Sep 2018

Type / Class: Equity / Common Stock
Shares outstanding: 67,167,585
Total 13F shares: 50,277,371
Share change: -632,968
Total reported value: $4,028,173,297
Put/Call ratio: 99%
Price per share: $80.15
Number of holders: 377
Value change: -$77,098,738
Number of buys: 177
Number of sells: 218

Quarterly Holders Quick Answers

What is CUSIP 55306N104?
CUSIP 55306N104 identifies MKSI - MKS INC - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q4 2018
Previous quarter: Q2 2018

Recent filing periods for CUSIP 55306N104:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of MKSI - MKS INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock Finance, Inc.	13F	Company	7.5%	5,040,629	$482,389,000	—	30 Jun 2018	13F
VANGUARD GROUP INC	13F	Company	7.3%	4,935,828	$472,358,000	—	30 Jun 2018	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	3.9%	2,634,466	$252,118,000	—	30 Jun 2018	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.5%	1,703,181	$162,990,000	—	30 Jun 2018	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	2.1%	1,441,362	$137,939,000	—	30 Jun 2018	13F
STATE STREET CORP	13F	Company	2.1%	1,423,934	$136,269,000	—	30 Jun 2018	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	2.1%	1,393,902	$133,396,000	—	30 Jun 2018	13F
Neuberger Berman Group LLC	13F	Company	1.7%	1,126,533	$107,809,000	—	30 Jun 2018	13F
PRUDENTIAL FINANCIAL INC	13F	Company	1.6%	1,083,956	$103,735,000	—	30 Jun 2018	13F
ROYCE & ASSOCIATES LP	13F	Company	1.5%	1,000,897	$95,786,000	—	30 Jun 2018	13F
TimesSquare Capital Management, LLC	13F	Company	1.5%	989,625	$94,707,000	—	30 Jun 2018	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	1.4%	953,331	$91,234,000	—	30 Jun 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	1.4%	930,267	$89,028,000	—	30 Jun 2018	13F
Invesco Ltd.	13F	Company	1.3%	884,672	$84,663,000	—	30 Jun 2018	13F
Allianz Asset Management GmbH	13F	Company	1.2%	827,864	$79,226,000	—	30 Jun 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.2%	789,731	$75,578,000	—	30 Jun 2018	13F
SILVERCREST ASSET MANAGEMENT GROUP LLC	13F	Company	1.1%	759,460	$72,681,000	—	30 Jun 2018	13F
CONGRESS ASSET MANAGEMENT CO	13F	Company	1.1%	759,300	$72,665,000	—	30 Jun 2018	13F
NORGES BANK	13F	Company	1.1%	723,728	$69,261,000	—	30 Jun 2018	13F
JPMORGAN CHASE & CO	13F	Company	1.1%	712,911	$68,226,000	—	30 Jun 2018	13F
Bank of New York Mellon Corp	13F	Company	1%	691,604	$66,187,000	—	30 Jun 2018	13F
ROYAL BANK OF CANADA	13F	Company	1%	688,576	$65,897,000	—	30 Jun 2018	13F
OppenheimerFunds, Inc.	13F	Company	0.96%	647,065	$61,925,000	—	30 Jun 2018	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.95%	640,445	$61,291,000	—	30 Jun 2018	13F
Fisher Asset Management, LLC	13F	Company	0.86%	574,609	$54,990,000	—	30 Jun 2018	13F
PICTET ASSET MANAGEMENT LTD	13F	Company	0.81%	544,260	$52,086,000	—	30 Jun 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.8%	534,271	$51,129,000	—	30 Jun 2018	13F
DEUTSCHE BANK AG\	13F	Company	0.79%	532,956	$51,003,000	—	30 Jun 2018	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.79%	531,926	$50,905,000	—	30 Jun 2018	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.75%	503,353	$48,170,000	—	30 Jun 2018	13F
NORTHERN TRUST CORP	13F	Company	0.74%	500,198	$47,868,000	—	30 Jun 2018	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.68%	460,006	$44,023,000	—	30 Jun 2018	13F
WESTWOOD HOLDINGS GROUP INC	13F	Company	0.59%	397,024	$37,995,000	—	30 Jun 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.58%	390,792	$37,399,000	—	30 Jun 2018	13F
MACQUARIE GROUP LTD	13F	Company	0.52%	348,342	$33,336,000	—	30 Jun 2018	13F
Ardevora Asset Management LLP	13F	Company	0.51%	342,712	$32,798,000	—	30 Jun 2018	13F
VALUE HOLDINGS MANAGEMENT CO. LLC	13F	Company	0.49%	326,714	$31,266,000	—	30 Jun 2018	13F
AMUNDI ASSET MANAGEMENT US, INC.	13F	Company	0.42%	283,471	$27,128,000	—	30 Jun 2018	13F
LAZARD ASSET MANAGEMENT LLC	13F	Company	0.41%	275,926	$26,406,000	—	30 Jun 2018	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.38%	253,212	$24,233,000	—	30 Jun 2018	13F
D. E. Shaw & Co., Inc.	13F	Company	0.37%	246,061	$23,548,000	—	30 Jun 2018	13F
LOOMIS SAYLES & CO L P	13F	Company	0.34%	226,790	$21,704,000	—	30 Jun 2018	13F
ROTHSCHILD & CO ASSET MANAGEMENT US INC.	13F	Company	0.34%	225,227	$21,554,000	—	30 Jun 2018	13F
SYSTEMATIC FINANCIAL MANAGEMENT LP	13F	Company	0.33%	224,346	$21,470,000	—	30 Jun 2018	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.3%	202,707	$19,399,000	—	30 Jun 2018	13F
Nuveen Asset Management, LLC	13F	Company	0.3%	199,997	$19,140,000	—	30 Jun 2018	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.29%	196,617	$18,816,000	—	30 Jun 2018	13F
NEUMEIER POMA INVESTMENT COUNSEL LLC	13F	Company	0.27%	182,000	$17,417,000	—	30 Jun 2018	13F
BlueCrest Capital Management Ltd	13F	Company	0.27%	180,124	$17,238,000	—	30 Jun 2018	13F
Clark Capital Management Group, Inc.	13F	Company	0.26%	176,856	$16,925,000	—	30 Jun 2018	13F

Institutional Holders of MKS INC - Common Stock (MKSI) as of Q3 2018

As of 30 Sep 2018, MKS INC - Common Stock (MKSI) was held by 377 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 50,277,371 shares. The largest 10 holders included BlackRock Inc., Vanguard Group Inc, WELLINGTON MANAGEMENT GROUP LLP, RENAISSANCE TECHNOLOGIES LLC, DIMENSIONAL FUND ADVISORS LP, PRINCIPAL FINANCIAL GROUP INC, STATE STREET CORP, Neuberger Berman Group LLC, PRICE T ROWE ASSOCIATES INC /MD/, and ROYCE & ASSOCIATES LP. This page lists 377 institutional shareholders reporting positions in this security for the Q3 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q3 2018 vs Q2 2018 Across Filers

Q2 2018 holders

382

Q3 2018 holders

377

Holder diff

-5

Investor	Q2 2018 Shares	Q3 2018 Shares	Share Diff	Share Chg %	Q2 2018 Value $	Q3 2018 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.