MetaCap

ACM Research (ACMR) vs Impinj (PI)

Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 7, 2026.

Summary

ACM Research (ACMR) has outperformed Impinj (PI) over the past year, gaining 79.9% versus a loss of 1.0%. Over five years, PI leads with a +263.3% price change compared with +107.3% for ACMR. Impinj is the larger company by market cap ($5.84 billion vs $5.07 billion), about 1.2 times the size, while ACM Research is growing revenue faster (+15.2% vs -1.4%).

On valuation, ACM Research trades at a lower forward P/E (25.2x vs 68.1x for Impinj). ACM Research converts more of its revenue into profit, with a net margin of 10.4% versus -3.0%.

Summary generated from market data by MetaCap's automated system. Methodology

Relative performance

ACMR+74.17%PI-2.60%
+217%+75%-66%
Oct 6, 20251 yearOct 7, 2026
ACMR+92.89%PI+262.71%
+369%+132%-105%
Oct 4, 20215 yearsOct 5, 2026

Percent change in share price from the first common trading day shown; excludes dividends.

Head-to-head

ACMR versus PI key metrics
MetricACMRPI
Share price$72.77$191.04
Market cap$5.07B$5.84B
1-day change-3.42%+3.74%
YTD return+84.46%+9.79%
1-year return+79.86%-1.00%
5-year return+107.28%+263.26%
P/E ratio (TTM)34.33—
Forward P/E25.1668.15
EPS (TTM)$2.12$-0.91
Dividend yield0.00%0.00%
Annual dividend$0.00$0.00
Revenue (latest FY)$901.31M$361.07M
Revenue growth (YoY)+15.24%-1.37%
Net income (latest FY)$94.08M$-10.85M
Gross margin44.39%52.53%
Operating margin12.14%-0.20%
Net margin10.44%-3.00%
52-week high$127.19$247.06
52-week low$28.46$87.36
Distance from 52-week high-42.79%-22.68%
Analyst consensusstrong_buybuy
Avg. price target upside+58.49%-5.31%
Average volume1.06M409.02K
Shares outstanding64.66M30.55M
Employees2,513457
SectorTechnologyTechnology
IndustryIndustrial Machinery/ComponentsIndustrial Machinery/Components

Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.

Key differences

  • ACMR has outperformed PI by 80.9 percentage points over the past year.
  • ACM Research is more profitable, keeping 10.4 cents of every revenue dollar as net income versus -3.0 cents for Impinj.
  • ACM Research grew revenue faster in its latest fiscal year (+15.24% vs -1.37%).

About ACM Research

ACMR stock →

ACM Research, Inc., together with its subsidiaries, develops, manufactures, and sells capital equipment in Mainland China and internationally. It also develops, manufactures, and sells a range of packaging tools to wafer assembly and packaging customers.

Technology · Industrial Machinery/Components · 2,513 employees

About Impinj

PI stock →

Impinj, Inc. operates a cloud connectivity platform in the Americas, the Asia Pacific, Europe, the Middle East, and Africa.

Technology · Industrial Machinery/Components · 457 employees

ACMR vs PI FAQ

Which is bigger, ACM Research or Impinj?

Impinj (PI) is larger, with a market capitalization of $5.84B compared with $5.07B for ACM Research (ACMR).

Which stock has performed better over the past year, ACMR or PI?

ACMR returned +79.86% over the past 12 months, compared with -1.00% for PI (price return, excluding dividends). Past performance does not predict future results.

Are ACM Research and Impinj in the same industry?

Yes. Both are classified in the Industrial Machinery/Components industry within the Technology sector.

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