California State Teachers Retirement System (CalSTRS)’s Amgen AMGN Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio AMGN Stock Details AMGN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$290M	Sell	825,116 -19,940	-2%	-$7.11M	0.31%	51
2025 Q4	$277M	Sell	845,056 -16,915	-2%	-$5.37M	0.28%	57
2025 Q3	$243M	Buy	861,971 +6,471	+0.8%	+$1.88M	0.25%	66
2025 Q2	$239M	Buy	855,500 +13,432	+2%	+$3.81M	0.27%	66
2025 Q1	$262M	Sell	842,068 -2,709	-0.3%	-$800K	0.32%	49
2024 Q4	$220M	Sell	844,777 -23,730	-3%	-$7.04M	0.26%	63
2024 Q3	$280M	Sell	868,507 -2,843	-0.3%	-$930K	0.33%	49
2024 Q2	$272M	Sell	871,350 -3,759	-0.4%	-$1.1M	0.33%	48
2024 Q1	$249M	Buy	875,109 +6,798	+0.8%	+$1.99M	0.31%	54
2023 Q4	$250M	Buy	868,311 +13,168	+2%	+$3.59M	0.34%	50
2023 Q3	$230M	Sell	855,143 -32,098	-4%	-$8.01M	0.35%	48
2023 Q2	$197M	Sell	887,241 -17,644	-2%	-$4.09M	0.28%	67
2023 Q1	$219M	Sell	904,885 -10,494	-1%	-$2.58M	0.33%	56
2022 Q4	$240M	Buy	915,379 +11,990	+1%	+$3.21M	0.38%	50
2022 Q3	$204M	Sell	903,389 -36,517	-4%	-$8.85M	0.34%	52
2022 Q2	$229M	Sell	939,906 -18,517	-2%	-$4.54M	0.36%	52
2022 Q1	$232M	Sell	958,423 -67,009	-7%	-$15.4M	0.31%	59
2021 Q4	$231M	Buy	1,025,432 +26,472	+3%	+$5.59M	0.27%	69
2021 Q3	$212M	Sell	998,960 -32,365	-3%	-$7.45M	0.27%	69
2021 Q2	$251M	Sell	1,031,325 -114,593	-10%	-$28.2M	0.32%	58
2021 Q1	$285M	Sell	1,145,918 -9,257	-0.8%	-$2.21M	0.38%	47
2020 Q4	$266M	Sell	1,155,175 -579	-0.1%	-$133K	0.37%	51
2020 Q3	$294M	Buy	1,155,754 +13,664	+1%	+$3.39M	0.47%	39
2020 Q2	$269M	Buy	1,142,090 +59,316	+5%	+$13.5M	0.47%	40
2020 Q1	$220M	Sell	1,082,774 -20,522	-2%	-$4.48M	0.47%	40
2019 Q4	$266M	Buy	1,103,296 +80,648	+8%	+$17.8M	0.45%	38
2019 Q3	$198M	Sell	1,022,648 -4,778	-0.5%	-$917K	0.39%	50
2019 Q2	$189M	Sell	1,027,426 -110,362	-10%	-$19.8M	0.37%	50
2019 Q1	$216M	Sell	1,137,788 -12,796	-1%	-$2.44M	0.44%	43
2018 Q4	$224M	Buy	1,150,584 +6,338	+0.6%	+$1.24M	0.51%	37
2018 Q3	$237M	Sell	1,144,246 -65	-0%	-$12.8K	0.46%	41
2018 Q2	$211M	Sell	1,144,311 -143,238	-11%	-$25.3M	0.44%	42
2018 Q1	$220M	Sell	1,287,549 -64,551	-5%	-$11.8M	0.47%	39
2017 Q4	$235M	Buy	1,352,100 +72,974	+6%	+$12.9M	0.48%	42
2017 Q3	$238M	Sell	1,279,126 -111,908	-8%	-$19.8M	0.53%	37
2017 Q2	$240M	Sell	1,391,034 -106,342	-7%	-$17.3M	0.51%	34
2017 Q1	$246M	Sell	1,497,376 -68,600	-4%	-$11.4M	0.5%	34
2016 Q4	$229M	Sell	1,565,976 -41,800	-3%	-$6.29M	0.47%	34
2016 Q3	$268M	Buy	1,607,776 +13,500	+0.8%	+$2.28M	0.55%	31
2016 Q2	$243M	Sell	1,594,276 -21,070	-1%	-$3.28M	0.52%	34
2016 Q1	$242M	Buy	1,615,346 +206,321	+15%	+$30.7M	0.52%	35
2015 Q4	$229M	Buy	1,409,025 +22,492	+2%	+$3.54M	0.56%	32
2015 Q3	$192M	Sell	1,386,533 -2,100	-0.2%	-$331K	0.5%	35
2015 Q2	$213M	Sell	1,388,633 -770	-0.1%	-$123K	0.52%	34
2015 Q1	$222M	Sell	1,389,403 -23,877	-2%	-$3.76M	0.53%	33
2014 Q4	$225M	Buy	1,413,280 +13,383	+1%	+$2.09M	0.53%	32
2014 Q3	$197M	Buy	1,399,897 +13,307	+1%	+$1.74M	0.49%	34
2014 Q2	$164M	Buy	1,386,590 +22,310	+2%	+$2.58M	0.41%	41
2014 Q1	$168M	Buy	1,364,280 +6,400	+0.5%	+$776K	0.45%	38
2013 Q4	$155M	Buy	1,357,880 +9,300	+0.7%	+$1.06M	0.42%	43
2013 Q3	$151M	Buy	1,348,580 +41,688	+3%	+$4.52M	0.45%	38
2013 Q2	$129M	Buy	+1,306,892	New	+$136M	0.42%	37

Other funds holding AMGN

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

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

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

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

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

California State Teachers Retirement System (CalSTRS) reduced its Amgen (AMGN) stake by 2.4% in Q1 2026, selling an estimated $7.11M and leaving 825,116 shares worth $290M. The position accounts for 0.31% of the portfolio, ranked #51.

California State Teachers Retirement System (CalSTRS) first reported a position in AMGN in Q2 2013 and has held it in 52 quarters since. The position peaked at $294M in Q3 2020. 3,128 funds tracked by Wall St. Rank hold AMGN as of Q1 2026.

California State Teachers Retirement System (CalSTRS) held 825,116 shares of Amgen worth $290M as of Q1 2026.
California State Teachers Retirement System (CalSTRS) sold 19,940 Amgen shares in Q1 2026, an estimated $7.11M.
Amgen made up 0.31% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #51 holding.
California State Teachers Retirement System (CalSTRS) first reported a position in Amgen in Q2 2013 and has held it in 52 quarters since.
California State Teachers Retirement System (CalSTRS)'s Amgen position peaked at $294M in Q3 2020.
3,128 funds tracked by Wall St. Rank held Amgen as of Q1 2026.

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