RhumbLine Advisers’s Merck MRK Stock Holding History

RhumbLine Advisers’s Portfolio MRK Stock Details MRK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$490M	Buy	3,809,518 +12,088	+0.3%	+$1.41M	0.37%	39
2026 Q1	$457M	Sell	3,797,430 -178,839	-4%	-$20.6M	0.39%	34
2025 Q4	$419M	Sell	3,976,269 -124,089	-3%	-$11.6M	0.34%	39
2025 Q3	$344M	Sell	4,100,358 -8,850	-0.2%	-$729K	0.28%	51
2025 Q2	$325M	Sell	4,109,208 -383,775	-9%	-$30.5M	0.28%	54
2025 Q1	$403M	Buy	4,492,983 +29,663	+0.7%	+$2.77M	0.38%	35
2024 Q4	$444M	Sell	4,463,320 -54,025	-1%	-$5.57M	0.4%	29
2024 Q3	$513M	Sell	4,517,345 -49,290	-1%	-$5.86M	0.46%	26
2024 Q2	$565M	Buy	4,566,635 +117,473	+3%	+$15.1M	0.53%	22
2024 Q1	$587M	Sell	4,449,162 -108,071	-2%	-$13.3M	0.56%	22
2023 Q4	$497M	Sell	4,557,233 -27,832	-0.6%	-$2.89M	0.52%	24
2023 Q3	$472M	Sell	4,585,065 -981	-0%	-$106K	0.55%	23
2023 Q2	$529M	Buy	4,586,046 +82,735	+2%	+$9.39M	0.59%	20
2023 Q1	$479M	Buy	4,503,311 +115,978	+3%	+$12.5M	0.59%	23
2022 Q4	$487M	Buy	4,387,333 +155,683	+4%	+$15.9M	0.65%	22
2022 Q3	$364M	Buy	4,231,650 +153,744	+4%	+$13.7M	0.54%	26
2022 Q2	$372M	Buy	4,077,906 +168,944	+4%	+$15M	0.54%	27
2022 Q1	$321M	Buy	3,908,962 +192,072	+5%	+$15.1M	0.41%	39
2021 Q4	$285M	Buy	3,716,890 +35,622	+1%	+$2.84M	0.35%	51
2021 Q3	$277M	Sell	3,681,268 -204,150	-5%	-$15.5M	0.37%	46
2021 Q2	$302M	Sell	3,885,418 -382,611	-9%	-$28.5M	0.4%	44
2021 Q1	$314M	Sell	4,268,029 -137,213	-3%	-$10.1M	0.43%	37
2020 Q4	$344M	Sell	4,405,242 -236,441	-5%	-$18.1M	0.47%	33
2020 Q3	$367M	Sell	4,641,683 -3,490	-0.1%	-$273K	0.58%	28
2020 Q2	$343M	Buy	4,645,173 +295,042	+7%	+$22.2M	0.57%	27
2020 Q1	$319M	Buy	4,350,131 +27,032	+0.6%	+$2.12M	0.67%	19
2019 Q4	$375M	Sell	4,323,099 -15,817	-0.4%	-$1.3M	0.63%	24
2019 Q3	$349M	Buy	4,338,916 +17,607	+0.4%	+$1.41M	0.64%	26
2019 Q2	$346M	Sell	4,321,309 -15,036	-0.3%	-$1.15M	0.65%	26
2019 Q1	$344M	Sell	4,336,345 -145,974	-3%	-$10.9M	0.67%	25
2018 Q4	$327M	Sell	4,482,319 -33,610	-0.7%	-$2.37M	0.71%	23
2018 Q3	$306M	Sell	4,515,929 -111,827	-2%	-$7.12M	0.59%	28
2018 Q2	$268M	Sell	4,627,756 -55,158	-1%	-$3.11M	0.54%	32
2018 Q1	$243M	Sell	4,682,914 -37,699	-0.8%	-$2.04M	0.51%	33
2017 Q4	$253M	Buy	4,720,613 +115,074	+2%	+$6.38M	0.51%	34
2017 Q3	$281M	Sell	4,605,539 -73,149	-2%	-$4.43M	0.61%	28
2017 Q2	$286M	Sell	4,678,688 -73,487	-2%	-$4.47M	0.65%	26
2017 Q1	$288M	Buy	4,752,175 +136,039	+3%	+$8.25M	0.67%	24
2016 Q4	$259M	Buy	4,616,136 +183,758	+4%	+$10.8M	0.66%	27
2016 Q3	$264M	Buy	4,432,378 +185,161	+4%	+$10.8M	0.73%	21
2016 Q2	$233M	Buy	4,247,217 +234,039	+6%	+$12.5M	0.69%	24
2016 Q1	$203M	Buy	4,013,178 +156,180	+4%	+$7.65M	0.63%	27
2015 Q4	$194M	Sell	3,856,998 -16,517	-0.4%	-$833K	0.63%	29
2015 Q3	$183M	Buy	3,873,515 +211,358	+6%	+$11.2M	0.62%	29
2015 Q2	$199M	Sell	3,662,157 -728,745	-17%	-$40.9M	0.63%	26
2015 Q1	$241M	Sell	4,390,902 -45,582	-1%	-$2.58M	0.69%	25
2014 Q4	$240M	Sell	4,436,484 -89,722	-2%	-$5M	0.7%	27
2014 Q3	$256M	Sell	4,526,206 -97,662	-2%	-$5.48M	0.77%	21
2014 Q2	$255M	Sell	4,623,868 -100,847	-2%	-$5.5M	0.75%	19
2014 Q1	$256M	Sell	4,724,715 -140,076	-3%	-$7.25M	0.76%	19
2013 Q4	$232M	Sell	4,864,791 -234,256	-5%	-$10.7M	0.69%	24
2013 Q3	$232M	Sell	5,099,047 -69,887	-1%	-$3.19M	0.72%	21
2013 Q2	$229M	Buy	+5,168,934	New	+$231M	0.74%	23

Other funds holding MRK

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

RhumbLine Advisers's MRK Position: Q2 2026 in Review

RhumbLine Advisers increased its Merck (MRK) stake by 0.32% in Q2 2026, buying an estimated $1.41M and bringing the position to 3,809,518 shares worth $490M. The position accounts for 0.37% of the portfolio, ranked #39.

RhumbLine Advisers first reported a position in MRK in Q2 2013 and has held it in 53 quarters since. The position peaked at $587M in Q1 2024. 3,813 funds tracked by Wall St. Rank hold MRK as of Q2 2026.

RhumbLine Advisers held 3,809,518 shares of Merck worth $490M as of Q2 2026.
RhumbLine Advisers bought 12,088 Merck shares in Q2 2026, an estimated $1.41M.
Merck made up 0.37% of RhumbLine Advisers's portfolio in Q2 2026, its #39 holding.
RhumbLine Advisers first reported a position in Merck in Q2 2013 and has held it in 53 quarters since.
RhumbLine Advisers's Merck position peaked at $587M in Q1 2024.
3,813 funds tracked by Wall St. Rank held Merck as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.