Mereo BioPharma Group Stock Price History
NASDAQ: MREOHealth CareBiotechnology: Pharmaceutical PreparationsUSD
0.3499-0.0253 (-6.74%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
MREO price history at a glance
The price history for Mereo BioPharma Group (MREO) on this page begins on April 22, 2019, when the stock closed at $5.75; it most recently closed at $0.3499 on October 5, 2026. The highest price in this record is $8.48, reached on April 22, 2019; the latest close is 95.9% below that peak. Across the 6 complete calendar years in the table, MREO finished higher in 3 and lower in 3. Its best year was 2023 (+208.0%) and its worst was 2025 (-86.3%).
Over roughly 7 years the share price changed -93.9%, a -31.3% compound annual price return (excluding dividends). In the last 12 months alone, MREO has lost 82.1%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2019
- $8.48
- Date of high
- Apr 22, 2019
- Low since 2019
- $0.20
- Date of low
- Dec 29, 2025
- 52-week high
- $2.37
- 52-week low
- $0.20
- Last close
- $0.3499
MREO returns
1 week
-7.92%
1 month
+43.99%
3 months
+4.45%
6 months
+6.35%
Year to date
-16.09%
1 year
-82.15%
3 years
-72.88%
5 years
-83.95%
MREO price return, excluding dividends.
MREO annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 0.3499 | -31.39% |
| 2025 | 0.51 | -86.33% |
| 2024 | 3.73 | +61.47% |
| 2023 | 2.31 | +208.00% |
| 2022 | 0.75 | -53.13% |
| 2021 | 1.60 | -55.31% |
| 2020 | 3.58 | +27.40% |
| 2019* | 2.81 | -51.13% |
* Partial year: the record begins after the start of 2019; return measured from the first available close.
2026 return is year to date.
MREO daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 0.38 | 0.3883 | 0.343 | 0.3499 | -6.74% | |
| 0.35 | 0.3825 | 0.3407 | 0.3752 | +6.35% | |
| 0.355 | 0.3667 | 0.347 | 0.3528 | +0.80% | |
| 0.398 | 0.399 | 0.35 | 0.35 | -9.79% | |
| 0.37 | 0.403 | 0.363 | 0.388 | +2.11% | |
| 0.385 | 0.389 | 0.361 | 0.38 | +3.54% | |
| 0.399 | 0.401 | 0.364 | 0.367 | -8.71% | |
| 0.37 | 0.423 | 0.37 | 0.402 | +7.77% | |
| 0.366 | 0.392 | 0.361 | 0.373 | +0.81% | |
| 0.371 | 0.381 | 0.355 | 0.37 | 0.00% | |
| 0.334 | 0.372 | 0.33 | 0.37 | +9.47% | |
| 0.345 | 0.349 | 0.325 | 0.338 | -0.59% | |
| 0.318 | 0.373 | 0.313 | 0.34 | +7.59% | |
| 0.291 | 0.32 | 0.291 | 0.316 | +8.97% | |
| 0.303 | 0.31 | 0.289 | 0.29 | -4.29% | |
| 0.28 | 0.31 | 0.28 | 0.303 | +4.48% | |
| 0.269 | 0.297 | 0.268 | 0.29 | +9.02% | |
| 0.281 | 0.29 | 0.261 | 0.266 | -6.67% | |
| 0.28 | 0.29 | 0.271 | 0.285 | +1.79% | |
| 0.28 | 0.289 | 0.272 | 0.28 | 0.00% | |
| 0.26 | 0.293 | 0.26 | 0.28 | +14.29% | |
| 0.243 | 0.249 | 0.24 | 0.245 | +0.82% | |
| 0.256 | 0.256 | 0.239 | 0.243 | -4.71% | |
| 0.25 | 0.259 | 0.245 | 0.255 | +2.00% | |
| 0.272 | 0.272 | 0.248 | 0.25 | -8.09% | |
| 0.264 | 0.28 | 0.263 | 0.272 | +1.87% | |
| 0.27 | 0.284 | 0.263 | 0.267 | -3.61% | |
| 0.27 | 0.288 | 0.27 | 0.277 | +3.75% | |
| 0.253 | 0.288 | 0.253 | 0.267 | +5.53% | |
| 0.266 | 0.274 | 0.252 | 0.253 | -6.99% | |
| 0.288 | 0.288 | 0.267 | 0.272 | -2.16% | |
| 0.289 | 0.289 | 0.276 | 0.278 | -1.42% | |
| 0.288 | 0.293 | 0.281 | 0.282 | -2.76% | |
| 0.29 | 0.294 | 0.285 | 0.29 | 0.00% | |
| 0.303 | 0.306 | 0.29 | 0.29 | -1.02% | |
| 0.308 | 0.308 | 0.293 | 0.293 | -6.09% | |
| 0.286 | 0.314 | 0.28 | 0.312 | -0.32% | |
| 0.307 | 0.315 | 0.295 | 0.313 | +1.62% | |
| 0.321 | 0.321 | 0.299 | 0.308 | -3.45% | |
| 0.30 | 0.326 | 0.296 | 0.319 | +3.57% | |
| 0.304 | 0.31 | 0.29 | 0.308 | +1.65% | |
| 0.29 | 0.303 | 0.281 | 0.303 | -0.98% | |
| 0.369 | 0.37 | 0.29 | 0.306 | +12.50% | |
| 0.299 | 0.299 | 0.266 | 0.272 | -8.11% | |
| 0.298 | 0.309 | 0.294 | 0.296 | -3.27% | |
| 0.306 | 0.313 | 0.287 | 0.306 | +0.66% | |
| 0.322 | 0.333 | 0.303 | 0.304 | -5.59% | |
| 0.316 | 0.33 | 0.314 | 0.322 | +1.90% | |
| 0.339 | 0.347 | 0.314 | 0.316 | -7.87% | |
| 0.303 | 0.353 | 0.30 | 0.343 | +8.89% | |
| 0.318 | 0.325 | 0.31 | 0.315 | +2.61% | |
| 0.31 | 0.329 | 0.307 | 0.307 | -0.65% | |
| 0.297 | 0.322 | 0.293 | 0.309 | +2.32% | |
| 0.28 | 0.315 | 0.275 | 0.302 | +4.86% | |
| 0.291 | 0.30 | 0.285 | 0.288 | -1.03% | |
| 0.29 | 0.308 | 0.29 | 0.291 | -2.35% | |
| 0.305 | 0.311 | 0.297 | 0.298 | -2.61% | |
| 0.303 | 0.313 | 0.302 | 0.306 | +0.33% | |
| 0.31 | 0.318 | 0.305 | 0.305 | -1.61% | |
| 0.318 | 0.323 | 0.31 | 0.31 | -4.02% | |
| 0.32 | 0.33 | 0.31 | 0.323 | -1.52% | |
| 0.312 | 0.33 | 0.312 | 0.328 | +4.46% | |
| 0.32 | 0.32 | 0.31 | 0.314 | -2.18% | |
| 0.33 | 0.331 | 0.316 | 0.321 | -4.18% | |
| 0.32 | 0.34 | 0.31 | 0.335 | +3.40% | |
| 0.312 | 0.328 | 0.312 | 0.324 | +2.53% | |
| 0.329 | 0.33 | 0.311 | 0.316 | -5.67% | |
| 0.32 | 0.336 | 0.307 | 0.335 | +5.68% | |
| 0.324 | 0.333 | 0.302 | 0.317 | -5.37% | |
| 0.32 | 0.34 | 0.32 | 0.335 | +3.72% | |
| 0.318 | 0.34 | 0.315 | 0.323 | +1.57% | |
| 0.332 | 0.347 | 0.315 | 0.318 | -4.22% | |
| 0.302 | 0.333 | 0.298 | 0.332 | +11.78% | |
| 0.31 | 0.324 | 0.263 | 0.297 | -1.33% | |
| 0.301 | 0.317 | 0.298 | 0.301 | -0.99% | |
| 0.312 | 0.329 | 0.295 | 0.304 | -5.59% | |
| 0.322 | 0.338 | 0.32 | 0.322 | -0.92% | |
| 0.308 | 0.334 | 0.302 | 0.325 | +5.18% | |
| 0.31 | 0.329 | 0.309 | 0.309 | -0.32% | |
| 0.298 | 0.33 | 0.285 | 0.31 | +6.16% | |
| 0.30 | 0.306 | 0.29 | 0.292 | -1.35% | |
| 0.31 | 0.32 | 0.295 | 0.296 | -2.95% | |
| 0.308 | 0.327 | 0.299 | 0.305 | -2.24% | |
| 0.306 | 0.32 | 0.29 | 0.312 | +2.30% | |
| 0.298 | 0.311 | 0.29 | 0.305 | -0.33% | |
| 0.292 | 0.31 | 0.284 | 0.306 | +0.33% | |
| 0.31 | 0.318 | 0.28 | 0.305 | -2.56% | |
| 0.315 | 0.32 | 0.298 | 0.313 | -1.57% | |
| 0.339 | 0.347 | 0.31 | 0.318 | -4.79% | |
| 0.363 | 0.366 | 0.319 | 0.334 | -1.47% | |
| 0.313 | 0.357 | 0.29 | 0.339 | +10.06% | |
| 0.326 | 0.334 | 0.306 | 0.308 | -10.47% | |
| 0.341 | 0.35 | 0.313 | 0.344 | -0.29% | |
| 0.313 | 0.35 | 0.306 | 0.345 | +4.86% | |
| 0.364 | 0.364 | 0.30 | 0.329 | -1.50% | |
| 0.288 | 0.352 | 0.27 | 0.334 | +20.14% | |
| 0.27 | 0.313 | 0.27 | 0.278 | +2.21% | |
| 0.28 | 0.283 | 0.256 | 0.272 | -3.89% | |
| 0.238 | 0.318 | 0.226 | 0.283 | +18.91% | |
| 0.232 | 0.26 | 0.23 | 0.238 | +0.42% | |
| 0.242 | 0.25 | 0.235 | 0.237 | -2.07% | |
| 0.253 | 0.259 | 0.232 | 0.242 | -1.63% | |
| 0.26 | 0.267 | 0.241 | 0.246 | -5.38% | |
| 0.251 | 0.266 | 0.235 | 0.26 | +5.69% | |
| 0.245 | 0.26 | 0.238 | 0.246 | +1.23% | |
| 0.25 | 0.252 | 0.23 | 0.243 | -2.80% | |
| 0.232 | 0.25 | 0.23 | 0.25 | +4.17% | |
| 0.241 | 0.26 | 0.22 | 0.24 | +1.27% | |
| 0.279 | 0.288 | 0.236 | 0.237 | -15.05% | |
| 0.288 | 0.298 | 0.273 | 0.279 | -2.79% | |
| 0.264 | 0.293 | 0.261 | 0.287 | +10.38% | |
| 0.281 | 0.285 | 0.255 | 0.26 | -2.99% | |
| 0.274 | 0.283 | 0.265 | 0.268 | -2.90% | |
| 0.282 | 0.289 | 0.255 | 0.276 | -0.72% | |
| 0.282 | 0.299 | 0.272 | 0.278 | -0.71% | |
| 0.285 | 0.299 | 0.263 | 0.28 | -3.45% | |
| 0.31 | 0.31 | 0.285 | 0.29 | -5.54% | |
| 0.316 | 0.327 | 0.30 | 0.307 | -4.36% | |
| 0.322 | 0.33 | 0.314 | 0.321 | -0.93% | |
| 0.333 | 0.335 | 0.32 | 0.324 | -3.86% | |
| 0.328 | 0.34 | 0.328 | 0.337 | 0.00% | |
| 0.333 | 0.34 | 0.32 | 0.337 | +3.37% | |
| 0.34 | 0.349 | 0.317 | 0.326 | -3.83% | |
| 0.336 | 0.355 | 0.303 | 0.339 | +3.04% | |
| 0.324 | 0.34 | 0.324 | 0.329 | +2.81% | |
| 0.323 | 0.349 | 0.316 | 0.32 | -2.74% | |
| 0.317 | 0.335 | 0.312 | 0.329 | +2.81% | |
| 0.32 | 0.325 | 0.31 | 0.32 | +0.31% | |
| 0.34 | 0.343 | 0.318 | 0.319 | -2.45% | |
| 0.318 | 0.335 | 0.315 | 0.327 | +3.48% | |
| 0.323 | 0.339 | 0.315 | 0.316 | -1.25% | |
| 0.33 | 0.347 | 0.318 | 0.32 | -3.03% | |
| 0.335 | 0.364 | 0.329 | 0.33 | 0.00% | |
| 0.331 | 0.344 | 0.317 | 0.33 | +4.43% | |
| 0.325 | 0.331 | 0.31 | 0.316 | -3.95% | |
| 0.336 | 0.336 | 0.32 | 0.329 | -2.95% | |
| 0.344 | 0.365 | 0.33 | 0.339 | -3.14% | |
| 0.336 | 0.359 | 0.336 | 0.35 | +4.17% | |
| 0.334 | 0.346 | 0.329 | 0.336 | -2.04% | |
| 0.33 | 0.353 | 0.33 | 0.343 | +0.29% | |
| 0.348 | 0.373 | 0.336 | 0.342 | -5.26% | |
| 0.35 | 0.367 | 0.32 | 0.361 | +2.56% | |
| 0.372 | 0.378 | 0.35 | 0.352 | -6.13% | |
| 0.388 | 0.398 | 0.375 | 0.375 | -6.02% | |
| 0.387 | 0.404 | 0.387 | 0.399 | +3.37% | |
| 0.385 | 0.416 | 0.383 | 0.386 | -0.26% | |
| 0.39 | 0.406 | 0.382 | 0.387 | -3.01% | |
| 0.39 | 0.41 | 0.39 | 0.399 | -0.25% | |
| 0.39 | 0.41 | 0.39 | 0.40 | +2.04% | |
| 0.373 | 0.406 | 0.373 | 0.392 | -0.51% | |
| 0.39 | 0.402 | 0.38 | 0.394 | +0.77% | |
| 0.41 | 0.416 | 0.39 | 0.391 | -5.56% | |
| 0.393 | 0.42 | 0.39 | 0.414 | +0.98% | |
| 0.383 | 0.41 | 0.375 | 0.41 | +3.02% | |
| 0.35 | 0.406 | 0.35 | 0.398 | +7.28% | |
| 0.38 | 0.38 | 0.355 | 0.371 | -3.89% | |
| 0.385 | 0.386 | 0.362 | 0.386 | -2.03% | |
| 0.396 | 0.42 | 0.381 | 0.394 | -1.01% | |
| 0.397 | 0.409 | 0.393 | 0.398 | -1.24% | |
| 0.409 | 0.424 | 0.394 | 0.403 | -4.95% | |
| 0.436 | 0.454 | 0.414 | 0.424 | -1.85% | |
| 0.422 | 0.45 | 0.409 | 0.432 | +2.61% | |
| 0.41 | 0.449 | 0.402 | 0.421 | +1.20% | |
| 0.374 | 0.437 | 0.35 | 0.416 | +11.83% | |
| 0.39 | 0.403 | 0.372 | 0.372 | -4.37% | |
| 0.40 | 0.406 | 0.355 | 0.389 | -1.52% | |
| 0.413 | 0.419 | 0.383 | 0.395 | -3.66% | |
| 0.387 | 0.437 | 0.387 | 0.41 | +5.67% | |
| 0.405 | 0.407 | 0.364 | 0.388 | -8.71% | |
| 0.373 | 0.428 | 0.37 | 0.425 | +13.33% | |
| 0.40 | 0.426 | 0.373 | 0.375 | -8.54% | |
| 0.421 | 0.438 | 0.391 | 0.41 | -2.84% | |
| 0.451 | 0.465 | 0.417 | 0.422 | -2.54% | |
| 0.442 | 0.469 | 0.41 | 0.433 | -1.59% | |
| 0.44 | 0.495 | 0.425 | 0.44 | 0.00% | |
| 0.45 | 0.459 | 0.42 | 0.44 | -2.00% | |
| 0.477 | 0.48 | 0.441 | 0.449 | -4.87% | |
| 0.49 | 0.498 | 0.46 | 0.472 | -4.07% | |
| 0.52 | 0.52 | 0.477 | 0.492 | -6.64% | |
| 0.546 | 0.55 | 0.52 | 0.527 | -0.94% | |
| 0.518 | 0.555 | 0.475 | 0.532 | +0.38% | |
| 0.555 | 0.565 | 0.50 | 0.53 | -6.19% | |
| 0.626 | 0.629 | 0.55 | 0.565 | -11.72% | |
| 0.71 | 0.71 | 0.603 | 0.64 | -4.62% | |
| 0.664 | 0.738 | 0.62 | 0.671 | -6.42% | |
| 0.732 | 0.78 | 0.682 | 0.717 | +8.64% | |
| 0.546 | 0.687 | 0.51 | 0.66 | +16.40% | |
| 0.566 | 0.68 | 0.519 | 0.567 | +14.78% | |
| 0.383 | 0.498 | 0.383 | 0.494 | +28.65% | |
| 0.408 | 0.418 | 0.351 | 0.384 | -9.00% | |
| 0.412 | 0.435 | 0.381 | 0.422 | +11.35% | |
| 0.45 | 0.507 | 0.369 | 0.379 | -21.21% | |
| 0.564 | 0.59 | 0.453 | 0.481 | -5.69% | |
| 0.442 | 0.51 | 0.41 | 0.51 | +22.30% | |
| 0.37 | 0.418 | 0.333 | 0.417 | +12.40% | |
| 0.301 | 0.375 | 0.267 | 0.371 | +30.18% | |
| 0.25 | 0.305 | 0.20 | 0.285 | -87.66% | |
| 2.27 | 2.34 | 2.27 | 2.31 | +0.43% | |
| 2.26 | 2.33 | 2.23 | 2.30 | +0.44% | |
| 2.29 | 2.33 | 2.22 | 2.29 | 0.00% | |
| 2.09 | 2.36 | 2.07 | 2.29 | +14.50% | |
| 2.00 | 2.12 | 1.97 | 2.00 | +4.17% | |
| 1.94 | 2.02 | 1.90 | 1.92 | 0.00% | |
| 2.10 | 2.13 | 1.89 | 1.92 | -8.57% | |
| 2.18 | 2.19 | 2.10 | 2.10 | -4.11% | |
| 2.27 | 2.27 | 2.13 | 2.19 | +0.92% | |
| 2.21 | 2.31 | 2.17 | 2.17 | -3.56% | |
| 2.31 | 2.37 | 2.25 | 2.25 | -2.60% | |
| 2.18 | 2.33 | 2.13 | 2.31 | +5.96% | |
| 2.10 | 2.21 | 2.07 | 2.18 | +2.35% | |
| 2.10 | 2.23 | 2.02 | 2.13 | +3.40% | |
| 2.04 | 2.10 | 2.02 | 2.06 | +0.98% | |
| 1.94 | 2.06 | 1.90 | 2.04 | +4.08% | |
| 1.80 | 2.18 | 1.74 | 1.96 | +12.00% | |
| 1.85 | 1.85 | 1.75 | 1.75 | -4.89% | |
| 1.86 | 1.86 | 1.76 | 1.84 | -1.60% | |
| 1.85 | 1.89 | 1.81 | 1.87 | +1.63% | |
| 1.82 | 1.87 | 1.77 | 1.84 | +2.79% | |
| 1.80 | 1.83 | 1.75 | 1.79 | 0.00% | |
| 1.81 | 1.87 | 1.77 | 1.79 | -0.56% | |
| 1.80 | 1.82 | 1.76 | 1.80 | +0.56% | |
| 1.80 | 1.88 | 1.75 | 1.79 | -1.10% | |
| 1.84 | 1.90 | 1.80 | 1.81 | -0.55% | |
| 1.77 | 1.86 | 1.75 | 1.82 | +2.82% | |
| 1.78 | 1.85 | 1.76 | 1.77 | -0.56% | |
| 1.76 | 1.83 | 1.76 | 1.78 | 0.00% | |
| 1.82 | 1.84 | 1.76 | 1.78 | -3.26% | |
| 1.88 | 1.91 | 1.81 | 1.84 | -1.60% | |
| 1.79 | 1.93 | 1.78 | 1.87 | +5.65% | |
| 1.83 | 1.87 | 1.76 | 1.77 | -1.67% | |
| 1.74 | 1.83 | 1.65 | 1.80 | +2.27% | |
| 1.81 | 1.81 | 1.74 | 1.76 | -2.22% | |
| 1.79 | 1.82 | 1.72 | 1.80 | +1.12% | |
| 1.83 | 1.88 | 1.78 | 1.78 | -4.30% | |
| 1.92 | 1.93 | 1.81 | 1.86 | -2.11% | |
| 1.90 | 1.93 | 1.87 | 1.90 | +0.53% | |
| 1.91 | 1.95 | 1.89 | 1.89 | -1.56% | |
| 2.11 | 2.15 | 1.91 | 1.92 | -8.57% | |
| 1.99 | 2.14 | 1.98 | 2.10 | +5.00% | |
| 2.02 | 2.08 | 1.99 | 2.00 | 0.00% | |
| 2.04 | 2.06 | 1.98 | 2.00 | 0.00% | |
| 2.10 | 2.10 | 1.98 | 2.00 | -4.31% | |
| 2.14 | 2.15 | 2.02 | 2.09 | -1.88% | |
| 2.24 | 2.27 | 2.13 | 2.13 | -4.91% | |
| 2.07 | 2.28 | 2.05 | 2.24 | +9.27% | |
| 2.00 | 2.06 | 1.94 | 2.05 | +2.50% | |
| 2.03 | 2.09 | 1.97 | 2.00 | -0.99% | |
| 1.98 | 2.04 | 1.96 | 2.02 | +3.06% | |
| 2.00 | 2.01 | 1.95 | 1.96 | -2.00% | |
| 2.05 | 2.05 | 1.95 | 2.00 | +2.04% | |
| 2.10 | 2.11 | 1.96 | 1.96 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the MREO chart for longer ranges.