$MRNA: William Blair upgrades Moderna to Outperform — here’s how the stock has reacted to recent analyst actions
How MRNA has reacted before
| Report | Next-day move |
|---|---|
| Aug 19, 2026 | +138.4% |
| Aug 03, 2026 | +0.6% |
| Jul 21, 2026 | +0.3% |
| Jul 13, 2026 | -1.8% |
| Jul 08, 2026 | -7.5% |
| Jul 07, 2026 | -2.5% |
| Jun 16, 2026 | +6.3% |
| Jun 08, 2026 | +0.3% |
| Jan 06, 2026 | +10.8% |
| Dec 12, 2025 | -0.6% |
| Dec 11, 2025 | +2.1% |
Median absolute move 2.1% · higher 7 of 11 · n=11
The call
- Company: Moderna ($MRNA)
- Firm: William Blair
- Action: Upgrades
- Rating: Outperform
- Price target: Not provided
How $MRNA moves around analyst actions
| Date | Session move |
|---|---|
| Aug 19, 2026 | +138.4% |
| Aug 03, 2026 | +0.6% |
| Jul 21, 2026 | +0.3% |
| Jul 13, 2026 | -1.8% |
| Jul 08, 2026 | -7.5% |
| Jul 07, 2026 | -2.5% |
| Jun 16, 2026 | +6.3% |
| Jun 08, 2026 | +0.3% |
| Jan 06, 2026 | +10.8% |
| Dec 12, 2025 | -0.6% |
| Dec 11, 2025 | +2.1% |
Base rates (n=11):
- Median absolute move: 2.1%
- Finished higher: 7 of 11
- Biggest up day: +138.4%
- Biggest down day: -7.5%