SeaStar Medical Holding Corporation (ICU) Stock Price History
Historical prices from 2022 to 2026
- 1M
- -22.0%
- 3M
- +32.8%
- YTD
- +18.6%
- 1Y
- +219.6%
- 3Y
- -39.4%
- 5Y
- -58.6%
Loading 10-year price history...
ICU Historical Performance
ICU Annual Returns
Year-by-year price performance · 2022–2026
- 2022 annual price return
- -60.1%
- 2023 annual price return
- -88.4%
- 2024 annual price return
- -83.3%
- 2025 annual price return
- -87.7%
- 2026 annual price return
- +4.9%
ICU Stock Price Trajectory (2022–2026)
As of June 22, 2026, SeaStar Medical Holding Corporation (ICU) trades at $3.12, representing a +219.6% return over the past year. The stock has delivered a -98.8% total return over five years (-58.6% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $550.00 on October 28, 2022. From this peak, ICU has corrected -99.4%, currently trading 24% below its 200-day moving average, suggesting potential weakness.
When compared to Healthcare sector peers NKTR (+608.2% 1Y), TPVG (-25.7% 1Y), and AKBA (-69.9% 1Y), ICU has underperformed the peer group average. Compare ICU vs NKTR →
ICU Historical Price Data · from 2022
Rows 1–50 of 935| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-18 | 3.08 | 3.15 | 3.07 | 3.12 | 41K | +1.96% |
| 2026-06-17 | 3.18 | 3.24 | 3.06 | 3.06 | 47K | +0.66% |
| 2026-06-16 | 3.14 | 3.14 | 3.01 | 3.04 | 41K | -2.88% |
| 2026-06-15 | 3.10 | 3.45 | 3.05 | 3.13 | 8K | +5.03% |
| 2026-06-12 | 2.71 | 3.16 | 2.71 | 2.98 | 169K | +9.16% |
| 2026-06-11 | 2.71 | 2.85 | 2.59 | 2.73 | 107K | +3.80% |
| 2026-06-10 | 2.78 | 2.82 | 2.60 | 2.63 | 87K | -5.40% |
| 2026-06-09 | 2.89 | 2.99 | 2.70 | 2.78 | 104K | -4.14% |
| 2026-06-08 | 2.93 | 3.06 | 2.81 | 2.90 | 92K | -1.36% |
| 2026-06-05 | 3.04 | 3.16 | 2.88 | 2.94 | 103K | -6.07% |
| 2026-06-04 | 3.35 | 3.43 | 3.07 | 3.13 | 122K | -4.57% |
| 2026-06-03 | 3.53 | 3.63 | 3.27 | 3.28 | 97K | -7.08% |
| 2026-06-02 | 3.65 | 3.73 | 3.52 | 3.53 | 61K | -3.02% |
| 2026-06-01 | 3.80 | 3.82 | 3.55 | 3.64 | 74K | -1.89% |
| 2026-05-29 | 3.67 | 3.81 | 3.61 | 3.71 | 78K | +1.37% |
| 2026-05-28 | 3.63 | 3.90 | 3.52 | 3.66 | 72K | +1.95% |
| 2026-05-27 | 3.57 | 3.69 | 3.51 | 3.59 | 56K | +0.28% |
| 2026-05-26 | 3.77 | 3.95 | 3.47 | 3.58 | 108K | -4.53% |
| 2026-05-22 | 4.05 | 4.25 | 3.72 | 3.75 | 0 | -5.30% |
| 2026-05-21 | 3.93 | 4.00 | 3.88 | 3.96 | 44K | -0.25% |
| 2026-05-20 | 3.85 | 3.97 | 3.85 | 3.97 | 56K | +2.06% |
| 2026-05-19 | 3.96 | 4.10 | 3.85 | 3.89 | 36K | -2.75% |
| 2026-05-18 | 3.92 | 4.04 | 3.89 | 4.00 | 24K | +1.27% |
| 2026-05-15 | 4.13 | 4.21 | 3.95 | 3.95 | 65K | -5.95% |
| 2026-05-14 | 4.82 | 4.82 | 4.02 | 4.20 | 167K | -8.70% |
| 2026-05-13 | 4.89 | 4.89 | 4.56 | 4.60 | 70K | -4.96% |
| 2026-05-12 | 4.50 | 4.98 | 4.44 | 4.84 | 75K | +7.32% |
| 2026-05-11 | 4.59 | 4.70 | 4.42 | 4.51 | 33K | +0.45% |
| 2026-05-08 | 4.93 | 4.93 | 4.45 | 4.49 | 85K | -7.61% |
| 2026-05-07 | 4.88 | 5.08 | 4.86 | 4.86 | 80K | -0.21% |
| 2026-05-06 | 4.50 | 5.05 | 4.38 | 4.87 | 164K | +10.18% |
| 2026-05-05 | 4.44 | 4.44 | 4.34 | 4.42 | 36K | +2.08% |
| 2026-05-04 | 4.43 | 4.43 | 4.25 | 4.33 | 81K | -0.92% |
| 2026-05-01 | 4.23 | 4.58 | 4.16 | 4.37 | 111K | +5.56% |
| 2026-04-30 | 3.80 | 4.18 | 3.80 | 4.14 | 40K | +6.98% |
| 2026-04-29 | 3.87 | 4.01 | 3.72 | 3.87 | 53K | -1.28% |
| 2026-04-28 | 3.72 | 4.01 | 3.72 | 3.92 | 27K | +2.89% |
| 2026-04-27 | 4.10 | 4.10 | 3.77 | 3.81 | 83K | -7.75% |
| 2026-04-24 | 4.33 | 4.35 | 4.13 | 4.13 | 125K | -2.59% |
| 2026-04-23 | 4.40 | 4.49 | 4.24 | 4.24 | 51K | -4.93% |
| 2026-04-22 | 4.26 | 4.47 | 4.14 | 4.46 | 74K | +3.96% |
| 2026-04-21 | 4.47 | 4.47 | 4.25 | 4.29 | 73K | -7.34% |
| 2026-04-20 | 4.10 | 4.67 | 4.00 | 4.63 | 96K | +10.24% |
| 2026-04-17 | 4.21 | 4.59 | 4.08 | 4.20 | 250K | +0.96% |
| 2026-04-16 | 3.82 | 4.21 | 3.80 | 4.16 | 81K | +7.77% |
| 2026-04-15 | 3.79 | 4.00 | 3.69 | 3.86 | 72K | +2.93% |
| 2026-04-14 | 4.23 | 4.29 | 3.72 | 3.75 | 137K | -10.93% |
| 2026-04-13 | 3.71 | 4.28 | 3.70 | 4.21 | 77K | +13.48% |
| 2026-04-10 | 4.03 | 4.06 | 3.60 | 3.71 | 165K | -8.62% |
| 2026-04-09 | 4.18 | 4.28 | 4.06 | 4.06 | 72K | -2.87% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
ICU — Frequently Asked Questions
Quick answers to the most common questions about buying ICU stock.
How has ICU stock performed recently?
ICU returned +219.6% over the past year, beating its 5-year annualized CAGR of -58.6%. The stock trades below its 200-day moving average, confirming the uptrend.
What is ICU's all-time high price?
SeaStar Medical Holding Corporation reached $550.00 on 2022-10-28. The 52-week high is $5.08. Current 1-year return of +219.6% places the stock closer to historical peaks.
Where can I download ICU historical price data?
This page provides ICU daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2022-2026, downloadable in CSV format.