What does CUSIP 58933Y105 represent in this 13F holders report?

CUSIP 58933Y105 is the security identifier for MRK - Merck & Co., Inc. - Common Stock used to aggregate holder disclosures.

How many institutions held MRK - Merck & Co., Inc. - Common Stock in Q1 2017?

1899 institutional investors reported MRK - Merck & Co., Inc. - Common Stock for Q1 2017. Use the holders table for investor-level position and value details.

Merck & Co., Inc. - Common Stock (MRK)

CUSIP: 58933Y105

Q1 2017 13F Holders as of 31 Mar 2017

Type / Class: Equity / Common Stock
Shares outstanding: 2,527,521,347
Total 13F shares: 2,038,974,197
Share change: +181,676,863
Total reported value: $129,565,256,270
Put/Call ratio: 82%
Price per share: $63.54
Number of holders: 1,899
Value change: +$11,571,640,991
Number of buys: 835
Number of sells: 872

Quarterly Holders Quick Answers

What is CUSIP 58933Y105?
CUSIP 58933Y105 identifies MRK - Merck & Co., Inc. - Common Stock in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

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

Newer quarter: Q2 2017
Previous quarter: Q4 2016

Recent filing periods for CUSIP 58933Y105:

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

Top shareholders of MRK - Merck & Co., 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
VANGUARD GROUP INC	13F	Company	7.3%	184,729,642	$10,875,035,000	—	31 Dec 2016	13F
Capital World Investors	13F	Company	5.6%	141,332,476	$8,320,243,000	—	31 Dec 2016	13F
STATE STREET CORP	13F	Company	5%	125,146,330	$7,369,619,000	—	31 Dec 2016	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	4.9%	124,191,831	$7,311,174,000	—	31 Dec 2016	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	3%	75,624,644	$4,452,023,000	—	31 Dec 2016	13F
BlackRock Fund Advisors	13F	Company	1.9%	48,120,535	$2,832,856,000	—	31 Dec 2016	13F
Bank of New York Mellon Corp	13F	Company	1.8%	45,069,197	$2,653,224,000	—	31 Dec 2016	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	1.5%	37,661,595	$2,217,138,000	—	31 Dec 2016	13F
BANK OF AMERICA CORP /DE/	13F	Company	1.4%	36,538,751	$2,151,035,000	—	31 Dec 2016	13F
JPMORGAN CHASE & CO	13F	Company	1.4%	35,958,267	$2,116,866,000	—	31 Dec 2016	13F
NORTHERN TRUST CORP	13F	Company	1.4%	35,587,486	$2,095,036,000	—	31 Dec 2016	13F
FRANKLIN RESOURCES INC	13F	Company	1.1%	28,800,338	$1,695,480,000	—	31 Dec 2016	13F
NORGES BANK	13F	Company	1.1%	27,668,163	$1,628,824,000	—	31 Dec 2016	13F
BlackRock Group LTD	13F	Company	1.1%	26,777,686	$1,576,404,000	—	31 Dec 2016	13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	13F	Company	1%	25,983,273	$1,529,636,000	—	31 Dec 2016	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1%	25,633,098	$1,507,249,000	—	31 Dec 2016	13F
Invesco Ltd.	13F	Company	0.98%	24,687,625	$1,453,360,000	—	31 Dec 2016	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.89%	22,426,893	$1,319,880,000	—	31 Dec 2016	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.83%	20,961,497	$1,234,003,000	—	31 Dec 2016	13F
Boston Partners	13F	Company	0.77%	19,434,540	$1,144,111,000	—	31 Dec 2016	13F
BARROW HANLEY MEWHINNEY & STRAUSS LLC	13F	Company	0.7%	17,668,105	$1,040,121,000	—	31 Dec 2016	13F
DEUTSCHE BANK AG\	13F	Company	0.69%	17,469,568	$1,028,426,000	—	31 Dec 2016	13F
MORGAN STANLEY	13F	Company	0.62%	15,590,923	$917,838,000	—	31 Dec 2016	13F
STATE FARM MUTUAL AUTOMOBILE INSURANCE CO	13F	Company	0.6%	15,145,800	$891,634,000	—	31 Dec 2016	13F
DODGE & COX	13F	Company	0.55%	13,947,142	$821,068,000	—	31 Dec 2016	13F
BLACKROCK ADVISORS LLC	13F	Company	0.55%	13,941,705	$820,748,000	—	31 Dec 2016	13F
Legal & General Group Plc	13F	Company	0.55%	13,872,676	$816,707,000	—	31 Dec 2016	13F
FMR LLC	13F	Company	0.53%	13,488,681	$794,078,000	—	31 Dec 2016	13F
Clearbridge Investments, LLC	13F	Company	0.53%	13,337,325	$785,168,000	—	31 Dec 2016	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.52%	13,138,951	$773,490,000	—	31 Dec 2016	13F
MACQUARIE GROUP LTD	13F	Company	0.5%	12,753,649	$750,807,000	—	31 Dec 2016	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.49%	12,308,989	$724,631,000	—	31 Dec 2016	13F
FEDERATED HERMES, INC.	13F	Company	0.45%	11,313,108	$666,003,000	—	31 Dec 2016	13F
Sanders Capital, LLC	13F	Company	0.44%	11,228,369	$661,014,000	—	31 Dec 2016	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.43%	10,956,607	$645,016,000	—	31 Dec 2016	13F
ROYAL BANK OF CANADA	13F	Company	0.4%	10,129,697	$596,336,000	—	31 Dec 2016	13F
PNC FINANCIAL SERVICES GROUP, INC.	13F	Company	0.39%	9,779,815	$575,738,000	—	31 Dec 2016	13F
LSV ASSET MANAGEMENT	13F	Company	0.39%	9,777,711	$575,613,000	—	31 Dec 2016	13F
UBS Group AG	13F	Company	0.37%	9,363,165	$551,210,000	—	31 Dec 2016	13F
BlackRock Investment Management, LLC	13F	Company	0.35%	8,968,464	$527,974,000	—	31 Dec 2016	13F
OppenheimerFunds, Inc.	13F	Company	0.34%	8,573,389	$504,716,000	—	31 Dec 2016	13F
Independent Franchise Partners LLP	13F	Company	0.33%	8,391,916	$494,032,000	—	31 Dec 2016	13F
Swiss National Bank	13F	Company	0.33%	8,288,301	$487,932,000	—	31 Dec 2016	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.33%	8,241,319	$485,166,000	—	31 Dec 2016	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.32%	8,170,375	$480,990,000	—	31 Dec 2016	13F
APG Asset Management N.V.	13F	Company	0.33%	8,376,166	$467,509,000	—	31 Dec 2016	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.31%	7,938,160	$467,319,000	—	31 Dec 2016	13F
MANUFACTURERS LIFE INSURANCE COMPANY, THE	13F	Company	0.31%	7,921,914	$466,363,000	—	31 Dec 2016	13F
Sumitomo Mitsui Trust Group, Inc.	13F	Company	0.31%	7,891,865	$464,594,000	—	31 Dec 2016	13F
Capital Research Global Investors	13F	Company	0.28%	7,166,988	$421,921,000	—	31 Dec 2016	13F

Institutional Holders of Merck & Co., Inc. - Common Stock (MRK) as of Q1 2017

As of 31 Mar 2017, Merck & Co., Inc. - Common Stock (MRK) was held by 1,899 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 2,038,974,197 shares. The largest 10 holders included VANGUARD GROUP INC, BlackRock Inc., STATE STREET CORP, WELLINGTON MANAGEMENT GROUP LLP, Capital World Investors, PRICE T ROWE ASSOCIATES INC /MD/, Bank of New York Mellon Corp, JPMORGAN CHASE & CO, NORTHERN TRUST CORP, and BANK OF AMERICA CORP /DE/. This page lists 1,901 institutional shareholders reporting positions in this security for the Q1 2017 filing period.

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

Compare Q1 2017 vs Q4 2016 Across Filers

Q4 2016 holders

1,875

Q1 2017 holders

1,899

Holder diff

Investor	Q4 2016 Shares	Q1 2017 Shares	Share Diff	Share Chg %	Q4 2016 Value $	Q1 2017 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.