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 Q2 2018?

382 institutional investors reported MKSI - MKS INC - COMMON STOCK for Q2 2018. Use the holders table for investor-level position and value details.

MKS INC - COMMON STOCK (MKSI)

CUSIP: 55306N104

Q2 2018 13F Holders as of 30 Jun 2018

Security type / class: Equity / COMMON STOCK
Shares outstanding: 67,999,671
Total 13F shares: 50,930,841
Share change: -893,743
Total reported value: $4,872,663,487
Put/Call ratio: 88%
Reported price per share: $95.70
Number of holders: 382
Value change: -$116,765,898
Number of buys: 200
Number of sells: 205

Security key

55306N104

Report period

Q2 2018

Institutions

382

Top holders

MKSI full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2018 Previous quarter: Q1 2018 MKS INC SEC filings MKS INC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 55306N104

Newer quarter: Q3 2018 Previous quarter: Q1 2018

Recent filing periods:

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

Ownership snapshot

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

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder

BlackRock Finance, Inc.

13D/G signal

—

Evidence rows

Latest as of

31 Mar 2018

13F Lead comparable stake: 9% Showing first 8 of 50 holder rows. Open remaining rows

Rank 1 holder

BlackRock Finance, Inc.

13F

Ownership: 9%
Position: $710.35M

13F

Rank 2 holder

VANGUARD GROUP INC

13F

Ownership: 7.2%
Position: $566.94M

13F

Rank 3 holder

WELLINGTON MANAGEMENT GROUP LLP

13F

Ownership: 3.9%
Position: $308.22M

13F

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BlackRock Finance, Inc.	13F Company 13F	9%	$710,354,000 6,142,281 shares	—	31 Mar 2018
VANGUARD GROUP INC	13F Company 13F	7.2%	$566,945,000 4,902,254 shares	—	31 Mar 2018
WELLINGTON MANAGEMENT GROUP LLP	13F Company 13F	3.9%	$308,225,000 2,665,157 shares	—	31 Mar 2018
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	3.3%	$262,965,000 2,273,802 shares	—	31 Mar 2018
STATE STREET CORP	13F Company 13F	2.7%	$209,731,000 1,813,515 shares	—	31 Mar 2018
PRUDENTIAL FINANCIAL INC	13F Company 13F	1.7%	$131,103,000 1,133,621 shares	—	31 Mar 2018
Neuberger Berman Group LLC	13F Company 13F	1.6%	$126,239,000 1,091,558 shares	—	31 Mar 2018
RENAISSANCE TECHNOLOGIES LLC	13F Company 13F	1.5%	$116,668,000 1,008,800 shares	—	31 Mar 2018

Show 42 additional holder rows in the full holder list

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
SILVERCREST ASSET MANAGEMENT GROUP LLC	13F Company 13F	1.4%	$113,020,000 977,251 shares	—	31 Mar 2018
ROYCE & ASSOCIATES LP	13F Company 13F	1.4%	$109,929,000 950,529 shares	—	31 Mar 2018
PRICE T ROWE ASSOCIATES INC /MD/	13F Company 13F	1.4%	$107,780,000 931,950 shares	—	31 Mar 2018
WELLS FARGO & COMPANY/MN	13F Company 13F	1.3%	$105,634,000 913,389 shares	—	31 Mar 2018
PRINCIPAL FINANCIAL GROUP INC	13F Company 13F	1.3%	$103,804,000 897,572 shares	—	31 Mar 2018
Invesco Ltd.	13F Company 13F	1.3%	$103,579,000 895,632 shares	—	31 Mar 2018
NORTHERN TRUST CORP	13F Company 13F	1.3%	$100,391,000 868,063 shares	—	31 Mar 2018
TimesSquare Capital Management, LLC	13F Company 13F	1.3%	$100,242,000 866,770 shares	—	31 Mar 2018
ROYAL BANK OF CANADA	13F Company 13F	1.2%	$96,952,000 838,335 shares	—	31 Mar 2018
CONGRESS ASSET MANAGEMENT CO	13F Company 13F	1.1%	$87,765,000 758,884 shares	—	31 Mar 2018
Bank of New York Mellon Corp	13F Company 13F	1.1%	$86,384,000 746,944 shares	—	31 Mar 2018
OppenheimerFunds, Inc.	13F Company 13F	1.1%	$85,871,000 742,506 shares	—	31 Mar 2018
NORGES BANK	13F Company 13F	1.1%	$85,820,000 742,068 shares	—	31 Mar 2018
Allianz Asset Management GmbH	13F Company 13F	1%	$81,528,000 704,957 shares	—	31 Mar 2018
Fisher Asset Management, LLC	13F Company 13F	0.9%	$70,463,000 609,281 shares	—	31 Mar 2018
VOYA INVESTMENT MANAGEMENT LLC	13F Company 13F	0.89%	$70,088,000 606,031 shares	—	31 Mar 2018
AMERIPRISE FINANCIAL INC	13F Company 13F	0.88%	$69,435,000 600,396 shares	—	31 Mar 2018
VICTORY CAPITAL MANAGEMENT INC	13F Company 13F	0.86%	$67,392,000 582,731 shares	—	31 Mar 2018
JPMORGAN CHASE & CO	13F Company 13F	0.84%	$66,296,000 573,247 shares	—	31 Mar 2018
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	0.82%	$64,837,000 560,638 shares	—	31 Mar 2018
WESTWOOD HOLDINGS GROUP INC	13F Company 13F	0.8%	$62,937,000 544,199 shares	—	31 Mar 2018
GOLDMAN SACHS GROUP INC	13F Company 13F	0.75%	$58,855,000 508,901 shares	—	31 Mar 2018
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F Company 13F	0.68%	$53,711,000 464,427 shares	—	31 Mar 2018
MACQUARIE GROUP LTD	13F Company 13F	0.56%	$43,784,000 378,585 shares	—	31 Mar 2018
VALUE HOLDINGS MANAGEMENT CO. LLC	13F Company 13F	0.48%	$37,784,000 326,714 shares	—	31 Mar 2018
PICTET ASSET MANAGEMENT LTD	13F Company 13F	0.44%	$34,815,000 301,039 shares	—	31 Mar 2018
FRANKLIN RESOURCES INC	13F Company 13F	0.42%	$32,896,000 284,448 shares	—	31 Mar 2018
MORGAN STANLEY	13F Company 13F	0.4%	$31,405,000 271,554 shares	—	31 Mar 2018
ROTHSCHILD & CO ASSET MANAGEMENT US INC.	13F Company 13F	0.38%	$29,572,000 255,701 shares	—	31 Mar 2018
TEACHERS ADVISORS, LLC	13F Company 13F	0.36%	$28,523,000 246,636 shares	—	31 Mar 2018
DEUTSCHE BANK AG\	13F Company 13F	0.35%	$27,817,000 240,554 shares	—	31 Mar 2018
Clark Capital Management Group, Inc.	13F Company 13F	0.35%	$27,697,000 239,487 shares	—	31 Mar 2018
LAZARD ASSET MANAGEMENT LLC	13F Company 13F	0.34%	$26,676,000 230,665 shares	—	31 Mar 2018
LOOMIS SAYLES & CO L P	13F Company 13F	0.33%	$25,993,000 224,759 shares	—	31 Mar 2018
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F Company 13F	0.3%	$23,889,000 206,565 shares	—	31 Mar 2018
Cortina Asset Management, LLC	13F Company 13F	0.28%	$22,329,000 193,074 shares	—	31 Mar 2018
EAGLE ASSET MANAGEMENT INC	13F Company 13F	0.28%	$22,289,000 192,735 shares	—	31 Mar 2018
AXA S.A.	13F Company 13F	0.28%	$22,219,000 192,123 shares	—	31 Mar 2018
TIAA CREF INVESTMENT MANAGEMENT LLC	13F Company 13F	0.28%	$21,980,000 190,056 shares	—	31 Mar 2018
VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.	13F Company 13F	0.28%	$21,658,000 187,266 shares	—	31 Mar 2018
COLUMBUS CIRCLE INVESTORS	13F Company 13F	0.27%	$21,593,000 186,712 shares	—	31 Mar 2018
BANK OF AMERICA CORP /DE/	13F Company 13F	0.27%	$21,153,000 182,906 shares	—	31 Mar 2018

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2018

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

382

50,930,841

Rows loaded

383

Investor	Option	Weight %	Change %	Reported value	* Price	Shares	Share Change	Activity	Report Period

^* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.

Compare Q2 2018 vs Q1 2018 Across Filers

Q1 2018 holders

388

Q2 2018 holders

382

Holder diff

-6

Investor	Q1 2018 Shares	Q2 2018 Shares	Share Diff	Share Chg %	Q1 2018 value	Q2 2018 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend