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

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
MRK on NYSE
Shares outstanding
2,527,521,347
Price per share
$105.26
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
1,898,395,224
Total reported value
$159,295,600,351
% of total 13F portfolios
0.14%
Share change
-64,787,489
Value change
-$5,261,767,184
Number of holders
3,259
Price from insider filings
$105.26
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Merck & Co., Inc. - Common Stock (MRK) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VANGUARD GROUP INC 10% $20,744,333,210 253,257,639 The Vanguard Group 28 Feb 2025

As of 30 Sep 2025, 3,259 institutional investors reported holding 1,898,395,224 shares of Merck & Co., Inc. - Common Stock (MRK). This represents 75% of the company’s total 2,527,521,347 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Merck & Co., Inc. - Common Stock (MRK) together control 47% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VANGUARD GROUP INC 10% 252,136,910 -0.31% 0.32% $21,161,850,856
BlackRock, Inc. 8.5% 214,876,600 -1.6% 0.32% $18,034,593,047
STATE STREET CORP 4.7% 118,180,178 -0.26% 0.35% $10,013,630,412
WELLINGTON MANAGEMENT GROUP LLP 3% 75,279,104 -2.1% 1.1% $6,318,175,198
GEODE CAPITAL MANAGEMENT, LLC 2.4% 59,798,874 +1.4% 0.32% $5,005,979,055
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 2.1% 53,699,460 -0.31% 0.72% $4,506,996,430
MORGAN STANLEY 1.8% 44,586,535 +0.87% 0.23% $3,742,148,141
JPMORGAN CHASE & CO 1.4% 35,201,647 +11% 0.19% $2,954,492,255
FMR LLC 1.3% 33,426,750 +5.9% 0.15% $2,805,507,051
NORTHERN TRUST CORP 1.1% 27,933,141 -2.8% 0.3% $2,344,428,524
BANK OF AMERICA CORP /DE/ 1% 26,449,436 -5.6% 0.17% $2,219,901,143
Fisher Asset Management, LLC 0.95% 24,068,126 -3.8% 0.73% $2,020,037,862
Bank of New York Mellon Corp 0.86% 21,794,354 -0.92% 0.33% $1,829,200,194
Legal & General Group Plc 0.82% 20,659,157 +5.9% 0.39% $1,733,923,050
Invesco Ltd. 0.79% 19,844,936 +17% 0.26% $1,665,585,453
UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC 0.78% 19,749,865 -21% 0.36% $1,657,606,171
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.74% 18,708,703 -3.8% 0.99% $1,570,221,443
UBS Group AG 0.67% 16,906,008 +0.03% 0.28% $1,418,921,251
DEUTSCHE BANK AG\ 0.67% 16,846,361 -1.2% 0.47% $1,413,915,079
FRANKLIN RESOURCES INC 0.66% 16,746,990 -38% 0.35% $1,405,574,906
AMERIPRISE FINANCIAL INC 0.63% 15,933,909 +21% 0.31% $1,336,876,840
Amundi 0.6% 15,214,187 -8% 0.43% $1,350,713,903
GOLDMAN SACHS GROUP INC 0.59% 15,021,367 -18% 0.18% $1,260,743,344
STATE FARM MUTUAL AUTOMOBILE INSURANCE CO 0.55% 13,794,969 0% 0.97% $1,157,811,748
PRICE T ROWE ASSOCIATES INC /MD/ 0.54% 13,601,321 +26% 0.12% $1,141,559,000

Institutional Holders of Merck & Co., Inc. - Common Stock (MRK) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 59,819,694 $6,313,722,488 -$706,828,802 $105.26 824
2025 Q3 1,898,395,224 $159,295,600,351 -$5,261,767,184 $83.93 3,259
2025 Q2 1,962,034,663 $155,426,643,563 +$1,505,473,426 $79.16 3,289
2025 Q1 1,938,547,550 $173,971,684,345 -$3,605,531,365 $89.76 3,390
2024 Q4 1,968,615,153 $195,915,700,100 +$4,604,501,875 $99.48 3,525
2024 Q3 1,909,828,089 $216,776,477,378 -$5,513,627,792 $113.56 3,429
2024 Q2 1,949,387,082 $241,590,280,963 +$5,245,269,588 $123.80 3,470
2024 Q1 1,891,230,365 $249,355,099,819 -$1,736,050,720 $131.95 3,483
2023 Q4 15,042,918 $1,639,915,212 -$2,364,235 $109.02 58
2023 Q3 1,839,623,898 $189,544,804,813 -$1,451,199,296 $102.95 3,132
2023 Q2 1,880,805,738 $216,884,507,692 -$3,474,646,445 $115.39 3,177
2023 Q1 1,903,598,207 $202,616,259,437 +$1,654,697,723 $106.39 3,094
2022 Q4 1,889,017,174 $209,647,788,541 +$3,417,016,440 $110.95 3,148
2022 Q3 1,874,723,175 $161,688,005,915 +$778,701,373 $86.12 2,919
2022 Q2 1,649,092,734 $150,418,545,265 +$3,013,097,666 $91.17 2,943
2022 Q1 1,816,247,467 $149,090,790,997 -$444,089,053 $82.05 2,883
2021 Q4 1,815,366,100 $139,186,818,475 +$179,765,758 $76.64 2,839
2021 Q3 1,830,556,002 $137,677,338,789 -$898,267,298 $75.11 2,594
2021 Q2 1,841,399,378 $143,156,411,127 -$390,711,637 $77.77 2,616
2021 Q1 1,841,362,487 $141,944,617,347 -$951,272,105 $77.09 2,633
2020 Q4 1,617,679,192 $132,316,464,377 -$298,686,583 $81.80 2,640
2020 Q3 1,869,646,041 $154,985,299,116 -$981,812,172 $82.95 2,508
2020 Q2 1,878,956,208 $145,317,517,272 -$662,518,187 $77.33 2,447
2020 Q1 1,879,638,320 $144,730,480,404 -$1,724,316,050 $76.94 2,424
2019 Q4 1,899,533,739 $172,760,023,112 +$7,225,922 $90.95 2,480
2019 Q3 1,915,743,450 $161,239,677,017 -$1,277,747,541 $84.18 2,263
2019 Q2 1,929,720,191 $161,775,299,651 +$2,780,901,567 $83.85 2,246
2019 Q1 1,943,645,193 $161,575,510,952 -$1,579,856,457 $83.17 2,234
2018 Q4 1,966,063,366 $150,192,850,758 -$1,181,125,992 $76.41 2,197
2018 Q3 1,966,997,996 $139,523,296,299 +$3,599,298,503 $70.94 2,005
2018 Q2 1,936,420,359 $117,526,001,653 -$2,070,503,912 $60.70 1,973
2018 Q1 1,992,371,025 $108,536,123,656 -$902,435,276 $54.47 1,945
2017 Q4 2,014,607,442 $113,373,891,762 -$1,113,722,789 $56.27 1,959
2017 Q3 2,033,223,396 $130,174,019,581 +$1,155,363,616 $64.03 1,880
2017 Q2 2,029,438,139 $130,124,665,517 -$1,303,678,211 $64.09 1,878
2017 Q1 2,030,338,897 $129,013,430,958 +$11,176,949,775 $63.54 1,888
2016 Q4 2,044,842,686 $120,419,398,074 -$1,972,816,237 $58.87 1,867
2016 Q3 2,058,055,851 $128,346,537,129 +$1,029,307,248 $62.41 1,763
2016 Q2 2,042,395,087 $117,679,964,510 +$35,404,067 $57.61 1,708
2016 Q1 2,040,448,743 $107,970,875,663 -$646,824,022 $52.91 1,689
2015 Q4 2,051,962,465 $108,372,706,818 -$2,095,726,687 $52.82 1,704
2015 Q3 2,087,301,481 $103,094,821,180 -$220,231,777 $49.39 1,615
2015 Q2 2,062,091,704 $117,400,878,637 -$176,765,636 $56.93 1,673
2015 Q1 2,102,403,653 $120,901,975,607 -$453,429,159 $57.48 1,660
2014 Q4 2,111,608,313 $119,987,583,705 -$478,765,742 $56.79 1,663
2014 Q3 2,107,823,692 $124,945,150,782 -$1,864,516,289 $59.28 1,566
2014 Q2 2,141,537,528 $123,875,060,840 -$1,511,165,409 $57.85 1,563
2014 Q1 2,170,661,260 $123,217,442,794 +$3,680,590,961 $56.77 1,545