MRNS Marinus Pharmaceuticals, Inc.
NASDAQNo longer listedCommon stock
MRNS was the NASDAQ ticker symbol of Marinus Pharmaceuticals, Inc. It no longer appears in current US listing files, which usually means the security was delisted, acquired, merged, or moved to a new symbol.
MRNS at a glance
- Symbol
- MRNS
- Company / issuer
- Marinus Pharmaceuticals, Inc.
- Security type
- Common stock
- Last exchange
- NASDAQ
- Status
- No longer listed
- Seen in listing files
- Jan 2015 – Feb 2025
- Sector
- Health Care
- Industry
- Biotechnology: Pharmaceutical Preparations
- Country
- United States
- IPO year
- 2014
- Last reported market cap
- $29.8 million (Jan 2025)
MRNS ticker history
All listing names we have recorded under the symbol MRNS, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Marinus Pharmaceuticals, Inc. | Common Stock | Jan 2015 | Feb 2025 |
Snapshots have gaps (notably 2018–2021, and 2015–2021 for NYSE listings), so the actual delisting date may be later than the last-seen date.
Frequently asked questions
What company has the ticker symbol MRNS?
MRNS was the ticker symbol of Marinus Pharmaceuticals, Inc on NASDAQ.
Is MRNS still trading?
No. MRNS does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Feb 2025.
Which exchange was MRNS listed on?
MRNS was listed on NASDAQ.