Principal Financial Group
ACMR icon

Principal Financial Group’s ACM Research ACMR Stock Holding History

Principal Financial Group’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 		$47.1M Buy
370,913
+30,189
+9% +$2.13M 0.02% 551
2026
Q1 		$13.4M Sell
340,724
-42,405
-11% -$2.25M 0.01% 1159
2025
Q4 		$15.1M Buy
383,129
+46,136
+14% +$1.72M 0.01% 1057
2025
Q3 		$13.2M Buy
336,993
+269,094
+396% +$7.99M 0.01% 1125
2025
Q2 		$1.76M Buy
+67,899
New +$1.53M ﹤0.01% 1817
2024
Q3 		– Sell
-72,181
Closed -$1.66M – 2224
2024
Q2 		$1.66M Buy
72,181
+8,947
+14% +$226K ﹤0.01% 1797
2024
Q1 		$1.84M Buy
+63,234
New +$1.45M ﹤0.01% 1788
2021
Q2 		– Sell
-67,182
Closed -$1.81M – 2598
2021
Q1 		$1.81M Buy
67,182
+5,148
+8% +$170K ﹤0.01% 1874
2020
Q4 		$1.68M Sell
62,034
-63,603
-51% -$1.63M ﹤0.01% 1834
2020
Q3 		$2.89M Buy
125,637
+58,500
+87% +$1.66M ﹤0.01% 1645
2020
Q2 		$1.4M Buy
+67,137
New +$1.1M ﹤0.01% 1763

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 $3.37T AUM 44.26% 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

Principal Financial Group's ACMR Position: Q2 2026 in Review

Principal Financial Group increased its ACM Research (ACMR) stake by 8.9% in Q2 2026, buying an estimated $2.13M and bringing the position to 370,913 shares worth $47.1M. The position accounts for 0.02% of the portfolio, ranked #551.

Principal Financial Group first reported a position in ACMR in Q2 2020 and has held it in 11 quarters since. 373 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

  • Principal Financial Group held 370,913 shares of ACM Research worth $47.1M as of Q2 2026.
  • Principal Financial Group bought 30,189 ACM Research shares in Q2 2026, an estimated $2.13M.
  • ACM Research made up 0.02% of Principal Financial Group's portfolio in Q2 2026, its #551 holding.
  • Principal Financial Group first reported a position in ACM Research in Q2 2020 and has held it in 11 quarters since.
  • 373 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on Principal Financial Group's 13F filing for Q2 2026, filed 4 Aug 2026.