Public Sector Pension Investment Board (PSP Investments)
ACMR icon

Public Sector Pension Investment Board (PSP Investments)’s ACM Research ACMR Stock Holding History

Public Sector Pension Investment Board (PSP Investments)’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
Q1 		$7.5M Buy
190,626
+6,281
+3% +$333K 0.02% 702
2025
Q4 		$7.27M Sell
184,345
-20,770
-10% -$774K 0.02% 654
2025
Q3 		$8.03M Buy
+205,115
New +$6.09M 0.03% 555
2022
Q4 		– Sell
-102,000
Closed -$1.27M – 1423
2022
Q3 		$1.27M Buy
+102,000
New +$1.66M 0.01% 1063

Other funds holding ACMR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
WCM Investment Management
WCM Investment Management Laguna Beach, California $43.8B AUM 42.28% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
VARA
Value Aligned Research Advisors Princeton, New Jersey $20.7B AUM 292.88% 1-Year Est. Return
PCP
Polunin Capital Partners London, United Kingdom $407M AUM 55.12% 1-Year Est. Return

Public Sector Pension Investment Board (PSP Investments)'s ACMR Position: Q1 2026 in Review

Public Sector Pension Investment Board (PSP Investments) increased its ACM Research (ACMR) stake by 3.4% in Q1 2026, buying an estimated $333K and bringing the position to 190,626 shares worth $7.5M. The position accounts for 0.02% of the portfolio, ranked #702.

Public Sector Pension Investment Board (PSP Investments) first reported a position in ACMR in Q3 2022 and has held it in 4 quarters since. The position peaked at $8.03M in Q3 2025. 300 funds tracked by Wall St. Rank hold ACMR as of Q1 2026.

  • Public Sector Pension Investment Board (PSP Investments) held 190,626 shares of ACM Research worth $7.5M as of Q1 2026.
  • Public Sector Pension Investment Board (PSP Investments) bought 6,281 ACM Research shares in Q1 2026, an estimated $333K.
  • ACM Research made up 0.02% of Public Sector Pension Investment Board (PSP Investments)'s portfolio in Q1 2026, its #702 holding.
  • Public Sector Pension Investment Board (PSP Investments) first reported a position in ACM Research in Q3 2022 and has held it in 4 quarters since.
  • Public Sector Pension Investment Board (PSP Investments)'s ACM Research position peaked at $8.03M in Q3 2025.
  • 300 funds tracked by Wall St. Rank held ACM Research as of Q1 2026.

Based on Public Sector Pension Investment Board (PSP Investments)'s 13F filing for Q1 2026, filed 13 May 2026.