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
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 500 | 1.20 | 2.39 |
| Max drawdown (3Y) | -70.4% | -67.7% |
| Market cap | $0.3B | $3.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACIU | BEAM |
|---|---|---|
| 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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Related comparisons
Hubs: ACIU correlations · BEAM correlations