MassMutual Private Wealth & Trust’s ACM Research ACMR Stock Holding History

MassMutual Private Wealth & Trust’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	$11.5K	Buy	91 +4	+5%	+$283	﹤0.01%	1335
2026 Q1	$3.42K	Buy	87 +29	+50%	+$1.54K	﹤0.01%	1814
2025 Q4	$2.29K	Buy	58 +40	+222%	+$1.49K	﹤0.01%	1956
2025 Q3	$704	Hold	18	–	–	﹤0.01%	2202
2025 Q2	$466	Buy	+18	New	+$405	﹤0.01%	2229

Other funds holding ACMR

PCP

Polunin Capital Partners London, United Kingdom $407M AUM 55.12% 1-Year Est. Return

PCM

Penn Capital Management Philadelphia, Pennsylvania $1.58B AUM 81.2% 1-Year Est. Return

CAM

Congress Asset Management Boston, Massachusetts $16.3B AUM 42.69% 1-Year Est. Return

New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return

MICM

Matthews International Capital Management San Francisco, California $292M AUM 75.01% 1-Year Est. Return

EWM

Empirical Wealth Management Seattle, Washington $6.85B AUM 30.02% 1-Year Est. Return

JIR

James Investment Research Alpha, Ohio $984M AUM 36.03% 1-Year Est. Return

New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return

LSERS

Louisiana State Employees Retirement System Baton Rouge, Louisiana $6.74B AUM 53.06% 1-Year Est. Return

IIM

Illumine Investment Management Poulsbo, Washington $154M AUM 52.22% 1-Year Est. Return

MassMutual Private Wealth & Trust's ACMR Position: Q2 2026 in Review

MassMutual Private Wealth & Trust increased its ACM Research (ACMR) stake by 4.6% in Q2 2026, buying an estimated $283 and bringing the position to 91 shares worth $11.5K. The position accounts for ﹤0.01% of the portfolio, ranked #1335.

MassMutual Private Wealth & Trust first reported a position in ACMR in Q2 2025 and has held it in 5 quarters since. 90 funds tracked by Wall St. Rank hold ACMR as of Q2 2026.

MassMutual Private Wealth & Trust held 91 shares of ACM Research worth $11.5K as of Q2 2026.
MassMutual Private Wealth & Trust bought 4 ACM Research shares in Q2 2026, an estimated $283.
ACM Research made up ﹤0.01% of MassMutual Private Wealth & Trust's portfolio in Q2 2026, its #1335 holding.
MassMutual Private Wealth & Trust first reported a position in ACM Research in Q2 2025 and has held it in 5 quarters since.
90 funds tracked by Wall St. Rank held ACM Research as of Q2 2026.

Based on MassMutual Private Wealth & Trust's 13F filing for Q2 2026, filed 2 Jul 2026.