California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s ACM Research ACMR Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio ACMR Stock Details ACMR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$7.58M Sell
59,702
-3,429
-5% -$242K 0.01% 870
2026
Q1 		$2.48M Buy
63,131
+15,460
+32% +$821K ﹤0.01% 1399
2025
Q4 		$1.88M Sell
47,671
-44
-0.1% -$1.64K ﹤0.01% 1449
2025
Q3 		$1.87M Buy
47,715
+2
+0% +$59 ﹤0.01% 1432
2025
Q2 		$1.24M Sell
47,713
-603
-1% -$13.6K ﹤0.01% 1617
2025
Q1 		$1.13M Hold
48,316
– – ﹤0.01% 1633
2024
Q4 		$730K Buy
48,316
+2,336
+5% +$42.2K ﹤0.01% 1941
2024
Q3 		$933K Buy
45,980
+1,765
+4% +$33.8K ﹤0.01% 1823
2024
Q2 		$1.02M Sell
44,215
-924
-2% -$23.4K ﹤0.01% 1748
2024
Q1 		$1.32M Sell
45,139
-2,290
-5% -$52.4K ﹤0.01% 1654
2023
Q4 		$927K Sell
47,429
-1,961
-4% -$34.3K ﹤0.01% 1865
2023
Q3 		$894K Sell
49,390
-7,504
-13% -$112K ﹤0.01% 1863
2023
Q2 		$744K Buy
56,894
+855
+2% +$9.01K ﹤0.01% 2101
2023
Q1 		$656K Sell
56,039
-767
-1% -$8.87K ﹤0.01% 2156
2022
Q4 		$438K Buy
56,806
+656
+1% +$5.56K ﹤0.01% 2397
2022
Q3 		$700K Sell
56,150
-1,001
-2% -$16.3K ﹤0.01% 2139
2022
Q2 		$962K Buy
57,151
+23,058
+68% +$355K ﹤0.01% 1990
2022
Q1 		$705K Buy
34,093
+496
+1% +$12.5K ﹤0.01% 2229
2021
Q4 		$955K Buy
33,597
+1,818
+6% +$57.5K ﹤0.01% 2187
2021
Q3 		$1.17M Buy
+31,779
New +$972K ﹤0.01% 2049
2019
Q2 		– Sell
-37,242
Closed -$192K – 3028
2019
Q1 		$192K Hold
37,242
– – ﹤0.01% 2771
2018
Q4 		$135K Hold
37,242
– – ﹤0.01% 2872
2018
Q3 		$137K Hold
37,242
– – ﹤0.01% 2966
2018
Q2 		$134K Buy
+37,242
New +$149K ﹤0.01% 2968

Other funds holding ACMR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
VARA
Value Aligned Research Advisors Princeton, New Jersey $40.1B AUM 376.19% 1-Year Est. Return
WA
WFM Asia Road Town, Tortola, British Virgin Islands $663M AUM 15.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s ACMR Position: Q2 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its ACM Research (ACMR) stake by 5.4% in Q2 2026, selling an estimated $242K and leaving 59,702 shares worth $7.58M. The position accounts for 0.01% of the portfolio, ranked #870.

California State Teachers Retirement System (CalSTRS) first reported a position in ACMR in Q2 2018 and has held it in 24 quarters since. 376 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

  • California State Teachers Retirement System (CalSTRS) held 59,702 shares of ACM Research worth $7.58M as of Q2 2026.
  • California State Teachers Retirement System (CalSTRS) sold 3,429 ACM Research shares in Q2 2026, an estimated $242K.
  • ACM Research made up 0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q2 2026, its #870 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in ACM Research in Q2 2018 and has held it in 24 quarters since.
  • 376 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q2 2026, filed 24 Aug 2026.