Biogen R&D increased by 5.8% to $539.00M in Q1 2026 compared to the prior quarter. Year-over-year, this metric grew by 24.2%, from $434.10M to $539.00M. Over 4 years (FY 2021 to FY 2025), R&D shows a downward trend with a -8.2% CAGR.
Higher spending signals a commitment to innovation and future product launches, whereas significant cuts may indicate a shift toward short-term profitability.
Research and development expenses represent the costs incurred to discover new products, improve existing technologies,...
Highly comparable across pharmaceutical and medical device peers, where R&D intensity is a key metric for long-term valuation.
research_and_development| Q2 '21 | Q3 '21 | Q4 '21 | Q1 '22 | Q2 '22 | Q3 '22 | Q4 '22 | Q1 '23 | Q2 '23 | Q3 '23 | Q4 '23 | Q1 '24 | Q2 '24 | Q3 '24 | Q4 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | Q1 '26 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Value | $585.10M | $702.40M | $699.50M | $551.70M | $528.60M | $549.20M | $601.60M | $570.60M | $584.20M | $736.30M | $554.30M | $445.40M | $505.40M | $516.20M | $513.30M | $434.10M | $399.00M | $436.10M | $509.40M | $539.00M |
| QoQ Change | — | +20.0% | -0.4% | -21.1% | -4.2% | +3.9% | +9.5% | -5.2% | +2.4% | +26.0% | -24.7% | -19.6% | +13.5% | +2.1% | -0.6% | -15.4% | -8.1% | +9.3% | +16.8% | +5.8% |
| YoY Change | — | — | — | — | -9.7% | -21.8% | -14.0% | +3.4% | +10.5% | +34.1% | -7.9% | -21.9% | -13.5% | -29.9% | -7.4% | -2.5% | -21.1% | -15.5% | -0.8% | +24.2% |
| Segment | Q4 '22 | Q2 '23 | Q3 '23 | Q4 '23 | Q1 '24 | Q2 '24 | Q3 '24 | Q4 '24 |
|---|---|---|---|---|---|---|---|---|
| QALSODY | — | $4.00M | $4.00M | $4.00M | $5.00M | $5.00M | $5.00M | $5.00M |
| ADUHELM | $35.00M | — | — | — | — | — | — | — |
| Mosunetuzumab | $7.10M | $7.10M | $7.10M | — | — | — | — | — |
| QALSODY EU | — | — | — | — | — | $5.00M | $5.00M | — |
| QALSODY Japan | — | — | — | — | — | $2.50M | $2.50M | — |
| SOD1 | $4.25M | $4.00M | $4.00M | — | — | — | — | — |
| Total | $601.60M | $584.20M | $736.30M | $554.30M | $445.40M | $505.40M | $516.20M | $513.30M |
Mosunetuzumab, QALSODY, QALSODY EU, QALSODY Japan, SOD1 are derived from annual filings.
QALSODY was previously reported and has since been discontinued or reclassified. Only currently active segments are shown in the chart.
| Segment | Q2 '24 | Q3 '24 | Q4 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | Q1 '26 |
|---|---|---|---|---|---|---|---|---|
| Reportable Segment | $176.40M | $221.50M | $186.90M | $178.50M | $168.20M | $167.10M | $179.10M | $172.80M |
| Total | $505.40M | $516.20M | $513.30M | $434.10M | $399.00M | $436.10M | $509.40M | $539.00M |