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ACIU vs BEAM: Correlation

AC Immune SA (ACIU) and Beam Therapeutics Inc. (BEAM) show a moderate relationship: their 3-year correlation of weekly returns is 0.38.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.38
moderate
Correlation (1Y)
0.36
last 12 months
Correlation (5Y)
0.30
long-run
Ann. covariance
1923.8
%² · weekly, annualized

How correlated are ACIU and BEAM?

On 3 years of weekly data the ACIU/BEAM correlation comes out at 0.38, moderate. Little has changed lately, as the 1-year reading of 0.36 lands near the 3-year figure. The 5-year figure is 0.30, and annualized covariance runs at 1923.8 %².

Few assets follow ACIU as closely as BEAM, which ranks #3 of 11 tracked partners. Correlation aside, the last 12 months split them widely, with BEAM ahead by 49.9 points (+30.9% versus +80.8%).

How is this computed?

Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.

ACIU vs BEAM: side by side

ACIU (AC Immune SA)BEAM (Beam Therapeutics Inc.)
1-year return+30.9%+80.8%
5-year return-61.2%-71.5%
Volatility (ann.)69.0%72.6%
Beta vs S&P 5001.202.39
Max drawdown (3Y)-70.4%-67.7%
Market cap$0.3B$3.1B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: BEAM -67.7% vs -70.4%Higher 5y return: ACIU -61.2% vs -71.5%
-4%0%+75%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). ACIU · BEAM

Year-by-year returns

YearACIUBEAM
2022-58.8%-50.9%
2023+145.1%-30.4%
2024-46.0%-8.9%
2025+16.3%+11.8%
2026-13.7%+10.0%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are ACIU and BEAM good diversifiers for each other?

Reasonably. At 0.38, ACIU and BEAM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between ACIU and BEAM?

Using weekly returns as of 2026-08-27: 0.38 over 3 years, with 0.36 over the last year and 0.30 over 5 years.

Is BEAM a good diversifier for ACIU?

Reasonably. At 0.38, ACIU and BEAM keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.38 mean?

A reading of 0.38 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

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ACIU vs BEAM: 3-year weekly correlation 0.38ACIU vs BEAM0.38

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Hubs: ACIU correlations · BEAM correlations