Stock listing
BOATS:ICU SeaStar Medical Holding Corporation Stock
US listing (BOATS) of SeaStar Medical Holding Corporation · home listing NASDAQ:ICU
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Home listing price · NASDAQ:ICU
$3.05 USD -0.06 (-1.9%)
Close on Oct 20, 2026 · This listing has no price on 6ix; the price shown is the home listing's, NASDAQ:ICU
- Day range
- $2.94 – $3.13 USDOct 20, 2026
- Volume
- 107,546 sharesOct 20, 2026
- Market cap
- $16.05M USDAt the close on Oct 20, 2026 · price × 5.26M shares outstanding

Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| NASDAQ:ICU · Home | $3.05 USD | -0.06 (-1.9%) | 107,546 | $3.11 | $3.13 | $2.94 | $3.11 | Close on Oct 20, 2026 |
Daily closes
Last 3 months, Jul 20, 2026 – Oct 20, 2026 · NASDAQ:ICU · USD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $3.05 | -0.06 | -1.9% | $3.11 | $3.13 | $2.94 | 107,546 | |
| $3.11 | +0.21 | +7.2% | $2.97 | $3.186 | $2.97 | 101,217 | |
| $2.90 | -0.16 | -5.2% | $3.10 | $3.139 | $2.84 | 140,462 | |
| $3.06 | +0.05 | +1.7% | $3.01 | $3.13 | $2.90 | 204,043 | |
| $3.01 | -0.58 | -16.2% | $3.59 | $3.62 | $2.87 | 501,981 | |
| $3.59 | -0.26 | -6.8% | $3.88 | $3.89 | $3.50 | 124,831 | |
| $3.85 | +0.24 | +6.6% | $3.55 | $3.95 | $3.51 | 115,776 | |
| $3.61 | +0.12 | +3.4% | $3.57 | $3.63 | $3.31 | 105,243 | |
| $3.49 | -0.23 | -6.2% | $3.59 | $3.72 | $3.331 | 209,752 | |
| $3.72 | +0.53 | +16.6% | $3.26 | $3.77 | $3.05 | 1,370,552 | |
| $3.19 | -0.36 | -10.1% | $3.48 | $3.50 | $3.07 | 292,700 | |
| $3.55 | -1.14 | -24.3% | $3.62 | $3.74 | $3.44 | 593,900 | |
| $4.69 | +0.94 | +25.1% | $3.78 | $4.80 | $3.685 | 515,600 | |
| $3.75 | -0.19 | -4.8% | $3.99 | $3.99 | $3.71 | 28,300 | |
| $3.94 | +0.38 | +10.7% | $3.62 | $4.09 | $3.616 | 86,700 | |
| $3.56 | +0.16 | +4.7% | $3.40 | $3.75 | $3.258 | 135,100 | |
| $3.40 | -0.02 | -0.6% | $3.42 | $3.42 | $3.33 | 10,400 | |
| $3.42 | -0.02 | -0.6% | $3.477 | $3.542 | $3.39 | 30,000 | |
| $3.44 | -0.09 | -2.5% | $3.45 | $3.51 | $3.221 | 13,900 | |
| $3.53 | 0.00 | 0.0% | $3.55 | $3.599 | $3.45 | 11,500 | |
| $3.53 | -0.05 | -1.4% | $3.58 | $3.60 | $3.42 | 22,100 | |
| $3.58 | +0.04 | +1.1% | $3.57 | $3.58 | $3.33 | 22,500 | |
| $3.54 | +0.043 | +1.2% | $3.51 | $3.68 | $3.43 | 77,800 | |
| $3.497 | +0.417 | +13.5% | $2.91 | $3.50 | $2.91 | 77,800 | |
| $3.08 | +0.06 | +2.0% | $2.98 | $3.105 | $2.98 | 14,100 | |
| $3.02 | -0.051 | -1.7% | $3.05 | $3.05 | $2.92 | 29,200 | |
| $3.071 | +0.041 | +1.4% | $3.073 | $3.076 | $3.03 | 11,200 | |
| $3.03 | -0.10 | -3.2% | $3.14 | $3.157 | $2.967 | 45,000 | |
| $3.13 | +0.03 | +1.0% | $3.09 | $3.339 | $3.085 | 66,900 | |
| $3.10 | +0.15 | +5.1% | $3.07 | $3.20 | $3.015 | 62,300 | |
| $2.95 | -0.03 | -1.0% | $2.97 | $3.025 | $2.89 | 26,400 | |
| $2.98 | +0.07 | +2.4% | $2.84 | $3.01 | $2.84 | 25,500 | |
| $2.91 | +0.03 | +1.0% | $2.91 | $3.022 | $2.86 | 25,800 | |
| $2.88 | -0.11 | -3.7% | $2.97 | $3.03 | $2.87 | 85,400 | |
| $2.99 | -0.14 | -4.5% | $3.11 | $3.14 | $2.96 | 67,900 | |
| $3.13 | +0.04 | +1.3% | $3.09 | $3.165 | $3.05 | 33,600 | |
| $3.09 | -0.01 | -0.3% | $3.06 | $3.16 | $3.03 | 18,300 | |
| $3.10 | -0.02 | -0.6% | $3.09 | $3.19 | $3.03 | 51,600 | |
| $3.12 | -0.06 | -1.9% | $3.23 | $3.244 | $3.08 | 56,700 | |
| $3.18 | -0.01 | -0.3% | $3.275 | $3.29 | $3.12 | 49,162 | |
| $3.19 | -0.16 | -4.8% | $3.39 | $3.41 | $3.185 | 55,977 | |
| $3.35 | +0.01 | +0.3% | $3.32 | $3.50 | $3.271 | 68,700 | |
| $3.34 | +0.07 | +2.1% | $3.31 | $3.428 | $3.20 | 56,000 | |
| $3.27 | -0.07 | -2.1% | $3.35 | $3.43 | $3.27 | 65,600 | |
| $3.34 | +0.09 | +2.8% | $3.30 | $3.34 | $3.20 | 30,500 | |
| $3.25 | +0.07 | +2.2% | $3.20 | $3.33 | $3.145 | 44,200 | |
| $3.18 | +0.01 | +0.3% | $3.15 | $3.29 | $3.11 | 58,800 | |
| $3.17 | -0.19 | -5.7% | $3.20 | $3.27 | $3.04 | 95,700 | |
| $3.36 | -0.33 | -8.9% | $3.64 | $3.685 | $3.30 | 159,200 | |
| $3.69 | 0.00 | 0.0% | $3.69 | $3.85 | $3.61 | 98,700 | |
| $3.69 | +0.41 | +12.5% | $3.30 | $3.815 | $3.30 | 205,200 | |
| $3.28 | +0.23 | +7.5% | $3.15 | $3.30 | $3.06 | 62,400 | |
| $3.05 | +0.03 | +1.0% | $3.155 | $3.155 | $3.02 | 47,500 | |
| $3.02 | -0.17 | -5.3% | $3.225 | $3.245 | $2.96 | 84,600 | |
| $3.19 | -0.005 | -0.2% | $3.22 | $3.37 | $3.07 | 66,500 | |
| $3.195 | +0.065 | +2.1% | $3.15 | $3.289 | $3.12 | 47,000 | |
| $3.13 | -0.05 | -1.6% | $3.33 | $3.33 | $3.06 | 84,700 | |
| $3.18 | -0.07 | -2.2% | $3.30 | $3.43 | $3.15 | 48,700 | |
| $3.25 | -0.19 | -5.5% | $3.48 | $3.72 | $3.24 | 61,500 | |
| $3.44 | -0.13 | -3.6% | $3.51 | $3.53 | $3.40 | 39,900 | |
| $3.57 | -0.18 | -4.8% | $3.79 | $3.96 | $3.57 | 66,300 | |
| $3.75 | +0.01 | +0.3% | $3.805 | $3.85 | $3.66 | 78,500 | |
| $3.74 | -0.15 | -3.9% | $3.90 | $3.95 | $3.68 | 68,700 | |
| $3.89 | +0.03 | +0.8% | $3.84 | $4.04 | $3.80 | 30,000 | |
| $3.86 | +0.01 | +0.3% | $3.84 | $3.95 | $3.70 | 51,700 | |
| $3.85 | -0.15 | -3.7% | $4.07 | $4.11 | $3.80 | 36,700 |
- Ticker
- BOATS:ICU
- Asset type
- Stock
- Exchange
- BOATS
- Currency
- USD
What changed lately
Latest news release · Oct 14, 2026
SeaStar Medical Chief Medical Officer Kevin Chung, MD, Named 2026 Recipient of the Combat Nephrology Award
Latest earnings call · Aug 12, 2026
Seastar Medical Holding (NASDAQ:ICU) Q2 2026 Earnings Call
Replay and transcript
Latest deck · August 2026
Investor Presentation (August 2026)
Investor deck · 26 slides
Calls
Replays
Seastar Medical Holding (NASDAQ:ICU) Q2 2026 Earnings Call
Wed, Aug 12, 2026 · 4:30 PM ET
Watch TranscriptSeastar Medical Holding (NASDAQ:ICU) Q1 2026 Earnings Call
Wed, May 13, 2026 · 4:30 PM ET
Watch TranscriptSeastar Medical Holding (NASDAQ:ICU) Q4 2025 Earnings Call
Wed, Mar 25, 2026 · 4:00 PM ET
Watch Transcript
Latest news
SeaStar Medical Chief Medical Officer Kevin Chung, MD, Named 2026 Recipient of the Combat Nephrology Award
Oct 14, 2026
Closed $3.01 (-16.2%) on Oct 14, 2026
FDA Grants SeaStar Medical Breakthrough Device Designation for its SCD Therapy for the Treatment of Hyperinflammation in Adult Patients with Sepsis or a Septic Condition
Oct 7, 2026
Closed $3.72 (+16.6%) on Oct 7, 2026
SeaStar Medical Announces Exercise of Warrants for Approximately $3.3 Million Gross Proceeds
Oct 5, 2026
Closed $3.55 (-24.3%) on Oct 5, 2026
SeaStar Medical Announces Late-Breaking Presentation at ASN Kidney Week 2026
Oct 2, 2026
Closed $4.69 (+25.1%) on Oct 2, 2026
New ICD-10-PCS Codes are Now Available for the Use of SeaStar Medical’s SCD Therapy for Acute Kidney Injury (AKI)
Oct 1, 2026
Closed $3.75 (-4.8%) on Oct 1, 2026
SeaStar Medical Announces Chief Medical Officer, Kevin Chung, M.D., to Present at the Pediatric Paracorporeal and Extracorporeal Therapy Symposium (PPETS) 2026
Sep 29, 2026
Closed $3.56 (+4.7%) on Sep 29, 2026
SeaStar Medical to Present at the HC Wainwright 28th Annual Global Investment Conference
Sep 10, 2026
Closed $3.13 (+1.0%) on Sep 10, 2026
SeaStar Medical Reports Second Quarter 2026 Financial Results and Provides Business Updates
Aug 12, 2026
Closed $3.17 (-5.7%) on Aug 13, 2026
SeaStar Medical to Report Second Quarter Financial Results on August 12, 2026
Aug 6, 2026
Closed $3.05 (+1.0%) on Aug 6, 2026
SeaStar Medical Supports Advances in Critical Care of Pediatric Patients with Acute Kidney Injury (AKI)
Jul 14, 2026
Closed $4.80 (+0.2%) on Jul 14, 2026
Financings
Common stock on exercise of existing warrants
Oct 5, 2026
Announced: about US$3.3M · US$3.866 a share · Warrants at US$3.616 · H.C. Wainwright & Co.
Dealers: H.C. Wainwright & Co. (lead)
Use of proceeds: General corporate purposes, which may include working capital and capital expenditures
Decks
Investor Presentation (August 2026)
Investor deck · 26 slides · August 2026
Investor Presentation (January 2025)
Investor deck · 31 slides · Jan 13, 2025
Investor Presentation (February 2023)
Investor deck · 28 slides · Feb 15, 2023
LMF Acquisition Opportunities — SPAC Merger (May 2022)
SPAC merger · 38 slides · May 4, 2022
SeaStar Medical Holding Corporation on 6ix
- News releases
- 31 in the last 12 months · 125 in all · newest Oct 14, 2026 · oldest 2022
- Calls
- 8 calls with a replay · 8 with a transcript · latest Aug 12, 2026
- Decks
- 5 decks · latest August 2026
Where SeaStar Medical Holding Corporation is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| NASDAQ:ICU · Home listing | NASDAQ | United States | USD |
| BOATS:ICU · This page | BOATS | United States | USD |
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