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Institutional investors hold a majority ownership of MRK through the 75.22% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Pharmaceuticals: Major industry. Last, during the quarter ended December 2016, these large investors purchased a net $20.0 million shares.
Mutual fund holders41.46%
Other institutional33.76%
Individual stakeholders0.10%

Largest Quarterly Institutional

Latest Institutional Activity

12/31/2016CAPITAL RESEARCH & MANAGEMENT CO...  Bought 10.1 Million shares of Merck
12/31/2016THE VANGUARD GROUP, INC.  Bought 4.7 Million shares of Merck
12/31/2016ASSET MANAGEMENT ONE CO., LTD.  Bought 4.5 Million shares of Merck

Top 10 Owners of Merck

Total value ($)Shares
bought / sold
The Vanguard Group, Inc.6.70%184,729,64212,168,141,519+4,748,375+2.64%
Capital Research & Management Co....5.13%141,332,4769,309,570,194+10,103,261+7.70%
SSgA Funds Management, Inc.4.54%125,146,3308,243,388,757+3,715,771+3.06%
Wellington Management Co. LLP4.50%124,191,8318,180,515,908-26,628,351-17.66%
BlackRock Fund Advisors4.49%123,745,1798,151,094,941+3,734,377+3.11%
T. Rowe Price Associates, Inc.1.37%37,661,5952,480,769,263+1,993,539+5.59%
Northern Trust Investments, Inc.1.29%35,587,4862,344,147,703-649,596-1.79%
Norges Bank Investment Management1.00%27,668,1631,822,501,897+345,536+1.26%
Massachusetts Financial Services ...0.94%25,983,2731,711,518,193-396,878-1.50%
Geode Capital Management LLC0.93%25,633,0981,688,452,165+1,115,441+4.55%

Top 10 Mutual Funds Holding Merck

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Vanguard Total Stock Market Index...2.16%59,632,7523,928,009,374+1,183,544+2.02%
American Funds Income Fund of Ame...1.78%49,153,6403,237,750,267+3,705,413+8.15%
Vanguard 500 Index Fund1.46%40,303,4652,654,789,240+938,940+2.39%
Vanguard Health Care Fund1.28%35,181,6182,317,413,178-6,334,610-15.26%
American Funds Washington Mutual ...1.27%35,023,0002,306,965,010+3,140,000+9.85%
SPDR S&P 500 ETF1.15%31,765,2252,092,375,371-156,150-0.49%
Vanguard Institutional Index Fund1.10%30,241,9701,992,038,564+115,653+0.38%
Government Pension Fund - Global ...0.94%25,876,2781,704,470,432+295,031+1.15%
Vanguard Wellington Fund0.87%23,979,6221,579,537,701-6,843,000-22.20%
American Funds American Balanced ...0.77%21,332,0001,405,138,840+535,000+2.57%