This is the #1 Stock to Buy for the AI Tidal Wave
Marc Chaikin warned people about NVDA before its 2023 bull run - now he’s naming his next pick or the AI tidal wave. Learn more here.
Learn more here.

MRNS Insider Trading

Insider Ownership Percentage: 4.86%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $131,258.21

Marinus Pharmaceuticals Insider Trading History Chart

This chart shows the insider buying and selling history at Marinus Pharmaceuticals by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Marinus Pharmaceuticals Share Price & Price History

Current Price: $10.41
Price Change: Price Increase of +0.91 (9.58%)
As of 03/1/2024 02:45 PM ET

This chart shows the closing price history over time for MRNS up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Marinus Pharmaceuticals Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
8/7/2023Christina ShaferInsiderSell2,385$9.52$22,705.2040,637View SEC Filing Icon  
8/7/2023Martha E ManningSVPSell2,169$9.54$20,692.2633,036View SEC Filing Icon  
8/7/2023Scott BraunsteinCEOSell6,413$9.55$61,244.15160,792View SEC Filing Icon  
8/7/2023Steven PfanstielCFOSell2,790$9.54$26,616.6049,338View SEC Filing Icon  
2/6/2023Seth H Z FischerDirectorSell1,018$6.54$6,657.726,026View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Marinus Pharmaceuticals (NASDAQ:MRNS)

88.26% of Marinus Pharmaceuticals stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at MRNS by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Marinus Pharmaceuticals Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
3/1/2024Goldman Sachs Group Inc.72,619$0.79M0.0%-37.5%0.133%Search for SEC Filing on Google Icon
2/15/2024Barclays PLC76,372$0.83M0.0%+747.4%0.140%Search for SEC Filing on Google Icon
2/15/2024Vanguard Group Inc.2,673,231$29.06M0.0%+3.7%4.899%Search for SEC Filing on Google Icon
2/15/2024Nuveen Asset Management LLC139,752$1.52M0.0%+1.1%0.256%Search for SEC Filing on Google Icon
2/15/2024Opaleye Management Inc.563,500$6.13M1.6%-3.5%1.033%Search for SEC Filing on Google Icon
2/14/2024Royal Bank of Canada15,364$0.17M0.0%+124.1%0.028%Search for SEC Filing on Google Icon
2/14/2024Point72 Asset Management L.P.493,400$5.36M0.0%-53.7%0.904%Search for SEC Filing on Google Icon
2/14/2024Superstring Capital Management LP462,444$5.03M3.6%N/A0.847%Search for SEC Filing on Google Icon
2/14/2024Schroder Investment Management Group290,000$3.15M0.0%N/A0.531%Search for SEC Filing on Google Icon
2/13/2024Northern Trust Corp459,085$4.99M0.0%+6.7%0.841%Search for SEC Filing on Google Icon
2/13/2024Tower Research Capital LLC TRC 14,262$0.16M0.0%+89.1%0.026%Search for SEC Filing on Google Icon
2/13/2024Goldman Sachs Group Inc.72,619$0.79M0.0%-37.5%0.133%Search for SEC Filing on Google Icon
2/13/2024Campbell & CO Investment Adviser LLC105,383$1.15M0.1%N/A0.193%Search for SEC Filing on Google Icon
2/13/2024California State Teachers Retirement System8,347$91K0.0%-25.4%0.015%Search for SEC Filing on Google Icon
2/12/2024Alpha DNA Investment Management LLC49,664$0.54M0.2%-35.6%0.091%Search for SEC Filing on Google Icon
2/9/2024Franklin Resources Inc.3,833,955$41.68M0.0%+1.3%7.026%Search for SEC Filing on Google Icon
2/9/2024Trexquant Investment LP50,851$0.55M0.0%N/A0.093%Search for SEC Filing on Google Icon
2/9/2024UBS Group AG83,070$0.90M0.0%+48.0%0.152%Search for SEC Filing on Google Icon
2/7/2024Dimensional Fund Advisors LP29,201$0.32M0.0%-9.0%0.054%Search for SEC Filing on Google Icon
2/6/2024Charles Schwab Investment Management Inc.149,426$1.62M0.0%+7.6%0.274%Search for SEC Filing on Google Icon
2/5/2024Victory Capital Management Inc.83,270$0.91M0.0%-11.9%0.153%Search for SEC Filing on Google Icon
2/5/2024Mach 1 Financial Group LLC43,828$0.48M0.2%-35.7%0.080%Search for SEC Filing on Google Icon
2/1/2024New York State Common Retirement Fund17,120$0.19M0.0%-14.6%0.031%Search for SEC Filing on Google Icon
2/1/2024Jennison Associates LLC2,959,161$32.17M0.0%+0.1%5.423%Search for SEC Filing on Google Icon
1/31/2024abrdn plc552,572$6.01M0.0%N/A1.013%Search for SEC Filing on Google Icon
1/24/2024China Universal Asset Management Co. Ltd.6,307$69K0.0%+383.7%0.012%Search for SEC Filing on Google Icon
1/19/2024Denali Advisors LLC13,600$0.15M0.0%-48.9%0.025%Search for SEC Filing on Google Icon
1/17/2024Assenagon Asset Management S.A.271,157$2.95M0.0%-47.0%0.497%Search for SEC Filing on Google Icon
1/12/2024SG Americas Securities LLC12,289$0.13M0.0%N/A0.023%Search for SEC Filing on Google Icon
1/1/2024Wellington Management Group LLP155,844$1.26M0.0%-0.7%0.286%Search for SEC Filing on Google Icon
12/18/2023Vanguard Group Inc.2,577,475$20.75M0.0%+1.2%4.723%Search for SEC Filing on Google Icon
11/24/2023Deutsche Bank AG25,961$0.21M0.0%+14.7%0.048%Search for SEC Filing on Google Icon
11/15/2023Acuta Capital Partners LLC19,500$0.16M0.1%N/A0.036%Search for SEC Filing on Google Icon
11/15/2023Adage Capital Partners GP L.L.C.2,904,476$23.38M0.1%+6.3%5.322%Search for SEC Filing on Google Icon
11/14/2023Eventide Asset Management LLC4,529,997$36.47M0.7%+42.8%8.301%Search for SEC Filing on Google Icon
11/14/2023Schonfeld Strategic Advisors LLC253,412$2.04M0.0%+69.5%0.464%Search for SEC Filing on Google Icon
11/14/2023Sherbrooke Park Advisers LLC17,539$0.14M0.0%N/A0.032%Search for SEC Filing on Google Icon
11/14/2023California State Teachers Retirement System11,189$90K0.0%-32.5%0.021%Search for SEC Filing on Google Icon
11/14/2023Tower Research Capital LLC TRC 7,541$61K0.0%+94.4%0.014%Search for SEC Filing on Google Icon
11/13/2023Northern Trust Corp430,227$3.46M0.0%+2.0%0.788%Search for SEC Filing on Google Icon
11/13/2023Invesco Ltd.43,942$0.35M0.0%-89.8%0.081%Search for SEC Filing on Google Icon
11/9/2023Rhumbline Advisers70,705$0.57M0.0%+5.7%0.140%Search for SEC Filing on Google Icon
11/9/2023Deutsche Bank AG25,961$0.21M0.0%+14.7%0.051%Search for SEC Filing on Google Icon
11/9/2023UBS Group AG56,144$0.45M0.0%+56.1%0.111%Search for SEC Filing on Google Icon
11/8/2023Charles Schwab Investment Management Inc.138,929$1.12M0.0%+2.9%0.275%Search for SEC Filing on Google Icon
11/8/2023Values First Advisors Inc.13,461$0.11M0.1%-17.1%0.027%Search for SEC Filing on Google Icon
11/7/2023Alpha DNA Investment Management LLC77,083$0.62M0.3%N/A0.152%Search for SEC Filing on Google Icon
11/7/2023Barclays PLC9,012$73K0.0%-84.4%0.018%Search for SEC Filing on Google Icon
11/6/2023Assenagon Asset Management S.A.511,193$4.12M0.0%-25.1%1.010%Search for SEC Filing on Google Icon
11/6/2023Victory Capital Management Inc.94,550$0.76M0.0%+61.2%0.187%Search for SEC Filing on Google Icon
10/31/2023Jennison Associates LLC2,955,343$23.79M0.0%+58.4%5.839%Search for SEC Filing on Google Icon
10/25/2023BluePath Capital Management LLC4,730$38K0.0%N/A0.009%Search for SEC Filing on Google Icon
10/20/2023Denali Advisors LLC26,600$0.21M0.1%-49.4%0.053%Search for SEC Filing on Google Icon
10/17/2023Mach 1 Financial Group LLC68,203$0.55M0.2%N/A0.135%Search for SEC Filing on Google Icon
10/11/2023AE Wealth Management LLC69,230$0.56M0.0%N/A0.137%Search for SEC Filing on Google Icon
8/21/2023California State Teachers Retirement System16,574$0.18M0.0%N/A0.033%Search for SEC Filing on Google Icon
8/16/2023Nuveen Asset Management LLC139,477$1.52M0.0%N/A0.276%Search for SEC Filing on Google Icon
8/15/2023Alliancebernstein L.P.25,990$0.28M0.0%N/A0.051%Search for SEC Filing on Google Icon
8/15/2023Wells Fargo & Company MN20,767$0.23M0.0%+6,556.1%0.041%Search for SEC Filing on Google Icon
8/15/2023Woodline Partners LP800,000$8.69M0.1%-49.9%1.581%Search for SEC Filing on Google Icon
8/15/2023Goldman Sachs Group Inc.65,523$0.71M0.0%-57.5%0.129%Search for SEC Filing on Google Icon
8/15/2023Point72 Asset Management L.P.1,325,181$14.39M0.0%-58.0%2.618%Search for SEC Filing on Google Icon
8/15/2023Royal Bank of Canada7,439$81K0.0%+1,531.4%0.015%Search for SEC Filing on Google Icon
8/15/2023Suvretta Capital Management LLC4,057,611$44.07M2.4%-16.0%8.017%Search for SEC Filing on Google Icon
8/15/2023Cantor Fitzgerald L. P.62,520$0.68M0.0%N/A0.124%Search for SEC Filing on Google Icon
8/14/2023Schonfeld Strategic Advisors LLC149,477$1.62M0.0%+209.8%0.295%Search for SEC Filing on Google Icon
8/14/2023State Street Corp899,278$9.77M0.0%+491.7%1.777%Search for SEC Filing on Google Icon
8/14/2023Jefferies Financial Group Inc.254,021$2.76M0.0%-49.6%0.502%Search for SEC Filing on Google Icon
8/14/2023Nuveen Asset Management LLC139,477$1.52M0.0%N/A0.276%Search for SEC Filing on Google Icon
8/14/2023Graham Capital Management L.P.31,162$0.34M0.0%-60.1%0.062%Search for SEC Filing on Google Icon
8/11/2023Renaissance Technologies LLC62,600$0.68M0.0%-52.3%0.124%Search for SEC Filing on Google Icon
8/11/2023BlackRock Inc.3,897,770$42.33M0.0%+245.4%7.711%Search for SEC Filing on Google Icon
8/11/2023Ameritas Investment Partners Inc.4,114$45K0.0%N/A0.008%Search for SEC Filing on Google Icon
8/11/2023Harvest Investment Services LLC44,572$0.48M0.3%N/A0.088%Search for SEC Filing on Google Icon
8/11/2023Campbell & CO Investment Adviser LLC11,856$0.13M0.0%N/A0.023%Search for SEC Filing on Google Icon
8/11/2023State Board of Administration of Florida Retirement System14,150$0.15M0.0%N/A0.028%Search for SEC Filing on Google Icon
8/11/2023The Manufacturers Life Insurance Company 19,994$0.22M0.0%N/A0.040%Search for SEC Filing on Google Icon
8/11/2023Franklin Resources Inc.1,316,868$14.30M0.0%+28.4%2.605%Search for SEC Filing on Google Icon
8/11/2023Geode Capital Management LLC947,062$10.29M0.0%+111.8%1.874%Search for SEC Filing on Google Icon
8/11/2023Northern Trust Corp421,844$4.58M0.0%+445.4%0.835%Search for SEC Filing on Google Icon
8/10/2023MetLife Investment Management LLC26,356$0.29M0.0%N/A0.052%Search for SEC Filing on Google Icon
8/10/2023Metropolitan Life Insurance Co NY2,731$30K0.0%N/A0.005%Search for SEC Filing on Google Icon
8/10/2023Mirae Asset Global Investments Co. Ltd.25,224$0.27M0.0%N/A0.050%Search for SEC Filing on Google Icon
8/10/2023Charles Schwab Investment Management Inc.135,065$1.47M0.0%+590.2%0.267%Search for SEC Filing on Google Icon
8/10/2023Tekla Capital Management LLC411,101$4.47M0.2%-10.0%0.813%Search for SEC Filing on Google Icon
8/10/2023Citigroup Inc.15,696$0.17M0.0%-85.1%0.031%Search for SEC Filing on Google Icon
8/8/2023Rhumbline Advisers66,902$0.73M0.0%N/A0.132%Search for SEC Filing on Google Icon
8/8/2023International Biotechnology Trust PLC90,000$0.98M0.3%N/A0.178%Search for SEC Filing on Google Icon
8/4/2023American International Group Inc.23,982$0.26M0.0%N/A0.047%Search for SEC Filing on Google Icon
8/4/2023Maven Securities LTD25,000$0.27M0.0%-28.6%0.049%Search for SEC Filing on Google Icon
8/3/2023Barclays PLC57,884$0.63M0.0%-91.0%0.114%Search for SEC Filing on Google Icon
8/3/2023Jennison Associates LLC1,865,430$20.26M0.0%N/A3.690%Search for SEC Filing on Google Icon
8/3/2023Bank of New York Mellon Corp163,770$1.78M0.0%+214.9%0.324%Search for SEC Filing on Google Icon
8/2/2023Values First Advisors Inc.16,245$0.18M0.1%-11.1%0.032%Search for SEC Filing on Google Icon
8/2/2023Bank of Montreal Can188,722$2.06M0.0%N/A0.373%Search for SEC Filing on Google Icon
7/27/2023Victory Capital Management Inc.58,660$0.64M0.0%N/A0.116%Search for SEC Filing on Google Icon
7/18/2023Denali Advisors LLC52,600$0.57M0.2%+447.9%0.104%Search for SEC Filing on Google Icon
5/16/2023Jane Street Group LLC303,738$2.10M0.0%+2,497.4%0.601%Search for SEC Filing on Google Icon
5/16/2023State Street Corp151,976$1.05M0.0%+7.0%0.301%Search for SEC Filing on Google Icon
5/16/2023Geode Capital Management LLC447,223$3.09M0.0%+7.1%0.885%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Marinus Pharmaceuticals logo
Marinus Pharmaceuticals, Inc., a pharmaceutical company, focuses on development and commercialization of therapeutic products for patients suffering from rare genetic epilepsies and other seizure disorders. It offers ZTALMY (ganaxolone), an oral suspension for the treatment of seizures associated with cyclin-dependent kinase-like 5 deficiency disorder for adult and pediatric patient populations in acute and chronic care, and in-patient and self-administered settings. The company's ZTALMY product candidate acts at synaptic and extrasynaptic GABAA receptors, a target for its anti-seizure, antidepressant, and anxiolytic potential. It is developing ganaxolone for treating genetic epilepsy disorders, such as PCDH19-related epilepsy, and tuberous sclerosis complex. Marinus Pharmaceuticals, Inc. has license agreement with Purdue Neuroscience Company and CyDex Pharmaceuticals, Inc.; and collaboration agreement with Orion Corporation and Tenacia Biotechnology (Shanghai) Co., Ltd. The company was incorporated in 2003 and is headquartered in Radnor, Pennsylvania.
Read More on Marinus Pharmaceuticals

Today's Range

Now: $10.41
Low: $9.59
High: $10.50

50 Day Range

MA: $10.13
Low: $9.50
High: $11.21

52 Week Range

Now: $10.41
Low: $5.57
High: $11.26

Volume

373,963 shs

Average Volume

363,809 shs

Market Capitalization

$568.07 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.95

Who are the company insiders with the largest holdings of Marinus Pharmaceuticals?

Marinus Pharmaceuticals' top insider investors include:
  1. Scott Braunstein (CEO)
  2. Steven Pfanstiel (CFO)
  3. Christina Shafer (Insider)
  4. Martha E Manning (SVP)
  5. Seth H Z Fischer (Director)
Learn More about top insider investors at Marinus Pharmaceuticals.

Who are the major institutional investors of Marinus Pharmaceuticals?

Marinus Pharmaceuticals' top institutional investors include:
  1. Franklin Resources Inc. — 7.03%
  2. Jennison Associates LLC — 5.42%
  3. Vanguard Group Inc. — 4.90%
  4. Opaleye Management Inc. — 1.03%
  5. abrdn plc — 1.01%
  6. Point72 Asset Management L.P. — 0.90%
Learn More about top institutional investors of Marinus Pharmaceuticals stock.

Which institutional investors are selling Marinus Pharmaceuticals stock?

Within the last quarter, MRNS stock was sold by these institutional investors:
  1. Point72 Asset Management L.P.
  2. Assenagon Asset Management S.A.
  3. Goldman Sachs Group Inc.
  4. Goldman Sachs Group Inc.
  5. Citadel Advisors LLC
  6. Alpha DNA Investment Management LLC
  7. Mach 1 Financial Group LLC
  8. Opaleye Management Inc.
Within the previous year, company insiders that have sold Marinus Pharmaceuticals company stock include:
  1. Scott Braunstein (CEO)
  2. Steven Pfanstiel (CFO)
  3. Christina Shafer (Insider)
  4. Martha E Manning (SVP)
Learn More investors selling Marinus Pharmaceuticals stock.

Which institutional investors are buying Marinus Pharmaceuticals stock?

In the last quarter, MRNS stock was bought by institutional investors including:
  1. abrdn plc
  2. Superstring Capital Management LP
  3. Schroder Investment Management Group
  4. Campbell & CO Investment Adviser LLC
  5. Vanguard Group Inc.
  6. Barclays PLC
  7. Trexquant Investment LP
  8. Franklin Resources Inc.