California State Teachers Retirement System (CalSTRS)’s Merck MRK Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 Q1	$461M	Sell	3,835,612 -110,513	-3%	-$12.8M	0.49%	31
2025 Q4	$415M	Sell	3,946,125 -113,912	-3%	-$10.7M	0.42%	36
2025 Q3	$341M	Sell	4,060,037 -3,272	-0.1%	-$269K	0.35%	40
2025 Q2	$322M	Buy	4,063,309 +18,699	+0.5%	+$1.49M	0.36%	41
2025 Q1	$363M	Sell	4,044,610 -31,218	-0.8%	-$2.91M	0.45%	31
2024 Q4	$405M	Sell	4,075,828 -59,042	-1%	-$6.09M	0.47%	28
2024 Q3	$470M	Sell	4,134,870 -7,973	-0.2%	-$947K	0.55%	25
2024 Q2	$513M	Buy	4,142,843 +23,410	+0.6%	+$3.02M	0.63%	21
2024 Q1	$544M	Buy	4,119,433 +24,526	+0.6%	+$3.02M	0.69%	20
2023 Q4	$446M	Buy	4,094,907 +48,501	+1%	+$5.03M	0.62%	21
2023 Q3	$417M	Sell	4,046,406 -163,971	-4%	-$17.7M	0.64%	23
2023 Q2	$486M	Sell	4,210,377 -84,193	-2%	-$9.56M	0.69%	21
2023 Q1	$457M	Sell	4,294,570 -39,868	-0.9%	-$4.3M	0.68%	22
2022 Q4	$481M	Buy	4,334,438 +66,620	+2%	+$6.81M	0.76%	22
2022 Q3	$368M	Sell	4,267,818 -155,446	-4%	-$13.9M	0.62%	25
2022 Q2	$403M	Buy	4,423,264 +4,776	+0.1%	+$423K	0.64%	24
2022 Q1	$363M	Sell	4,418,488 -260,311	-6%	-$20.5M	0.48%	36
2021 Q4	$359M	Buy	4,678,799 +28,007	+0.6%	+$2.23M	0.42%	46
2021 Q3	$349M	Buy	4,650,792 +46,876	+1%	+$3.57M	0.45%	39
2021 Q2	$358M	Sell	4,603,916 -649,041	-12%	-$48.3M	0.45%	40
2021 Q1	$386M	Sell	5,252,957 -44,898	-0.8%	-$3.31M	0.51%	30
2020 Q4	$414M	Sell	5,297,855 -59,626	-1%	-$4.56M	0.58%	24
2020 Q3	$424M	Sell	5,357,481 -63,031	-1%	-$4.94M	0.68%	22
2020 Q2	$400M	Sell	5,420,512 -133,386	-2%	-$10M	0.7%	21
2020 Q1	$408M	Buy	5,553,898 +28,257	+0.5%	+$2.22M	0.88%	17
2019 Q4	$480M	Buy	5,525,641 +487,546	+10%	+$40M	0.82%	20
2019 Q3	$405M	Buy	5,038,095 +51,878	+1%	+$4.16M	0.79%	21
2019 Q2	$399M	Sell	4,986,217 -60,779	-1%	-$4.65M	0.79%	23
2019 Q1	$401M	Buy	5,046,996 +5,725	+0.1%	+$428K	0.82%	21
2018 Q4	$368M	Sell	5,041,271 -140,932	-3%	-$9.95M	0.84%	20
2018 Q3	$351M	Buy	5,182,203 +47,831	+0.9%	+$3.05M	0.68%	25
2018 Q2	$297M	Sell	5,134,372 -88,116	-2%	-$4.97M	0.62%	26
2018 Q1	$271M	Sell	5,222,488 -147,552	-3%	-$7.97M	0.58%	30
2017 Q4	$288M	Buy	5,370,040 +310,292	+6%	+$17.2M	0.59%	30
2017 Q3	$309M	Sell	5,059,748 -414,019	-8%	-$25.1M	0.68%	25
2017 Q2	$335M	Sell	5,473,767 -497,655	-8%	-$30.3M	0.71%	22
2017 Q1	$362M	Sell	5,971,422 -262,315	-4%	-$15.9M	0.73%	21
2016 Q4	$350M	Sell	6,233,737 -160,029	-3%	-$9.37M	0.71%	22
2016 Q3	$381M	Buy	6,393,766 +53,867	+0.8%	+$3.15M	0.79%	19
2016 Q2	$349M	Sell	6,339,899 -108,217	-2%	-$5.76M	0.75%	19
2016 Q1	$326M	Buy	6,448,116 +806,597	+14%	+$39.5M	0.69%	23
2015 Q4	$284M	Buy	5,641,519 +89,332	+2%	+$4.5M	0.69%	24
2015 Q3	$262M	Buy	5,552,187 +144,611	+3%	+$7.68M	0.68%	24
2015 Q2	$294M	Sell	5,407,576 -359,204	-6%	-$20.1M	0.71%	21
2015 Q1	$316M	Sell	5,766,780 -94,849	-2%	-$5.37M	0.75%	16
2014 Q4	$318M	Buy	5,861,629 +54,735	+0.9%	+$3.05M	0.75%	17
2014 Q3	$328M	Buy	5,806,894 +198,133	+4%	+$11.1M	0.81%	18
2014 Q2	$310M	Sell	5,608,761 -147,873	-3%	-$8.07M	0.78%	16
2014 Q1	$312M	Buy	5,756,634 +27,039	+0.5%	+$1.4M	0.83%	17
2013 Q4	$274M	Buy	5,729,595 +39,405	+0.7%	+$1.8M	0.74%	18
2013 Q3	$259M	Buy	5,690,190 +175,714	+3%	+$8.02M	0.77%	18
2013 Q2	$244M	Buy	+5,514,476	New	+$246M	0.79%	18

Other funds holding MRK

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s MRK Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its Merck (MRK) stake by 2.8% in Q1 2026, selling an estimated $12.8M and leaving 3,835,612 shares worth $461M. The position accounts for 0.49% of the portfolio, ranked #31.

California State Teachers Retirement System (CalSTRS) first reported a position in MRK in Q2 2013 and has held it in 52 quarters since. The position peaked at $544M in Q1 2024. 3,779 funds tracked by Wall St. Rank hold MRK as of Q1 2026.

California State Teachers Retirement System (CalSTRS) held 3,835,612 shares of Merck worth $461M as of Q1 2026.
California State Teachers Retirement System (CalSTRS) sold 110,513 Merck shares in Q1 2026, an estimated $12.8M.
Merck made up 0.49% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #31 holding.
California State Teachers Retirement System (CalSTRS) first reported a position in Merck in Q2 2013 and has held it in 52 quarters since.
California State Teachers Retirement System (CalSTRS)'s Merck position peaked at $544M in Q1 2024.
3,779 funds tracked by Wall St. Rank held Merck as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.