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Marinus Pharmaceuticals (MRNS) Institutional Ownership

Marinus Pharmaceuticals logo
$0.55 0.00 (-0.16%)
As of 02/11/2025
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Institutional Ownership Changes (13F Filings) for Marinus Pharmaceuticals (NASDAQ:MRNS)

Current
Institutional Ownership
Percentage
98.80%
Number of
Institutional Buyers
(last 12 months)
26
Total
Institutional Inflows
(last 12 months)
$27.18M
Number of
Institutional Sellers
(last 12 months)
7
Total
Institutional Outflows
(last 12 months)
$2.55M
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MRNS Institutional Buying and Selling by Quarter

Marinus Pharmaceuticals Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
2/17/2025 Woodline Partners LP2,335,681$1.25M0.0%+84.7%4.230%
2/17/2025 Tang Capital Management LLC1,641,945$879K0.1%-65.1%2.973%
2/17/2025 Millennium Management LLC239,414$128K0.0%-50.4%0.434%
2/17/2025 Beryl Capital Management LLC4,227,460$2.26M0.5%N/A7.656%
2/13/2025 GABELLI & Co INVESTMENT ADVISERS INC.100,000$54K0.0%N/A0.181%
2/13/2025 XTX Topco Ltd219,819$118K0.0%+1,564.7%0.398%
2/12/2025 Geode Capital Management LLC529,053$283K0.0%-6.9%0.958%
2/12/2025 JPMorgan Chase & Co.487,584$261K0.0%+266.1%0.883%
2/11/2025 Virtu Financial LLC66,717$36K0.0%N/A0.121%
1/27/2025 Deltec Asset Management LLC200,000$107K0.0%N/A0.362%
1/14/2025 Assenagon Asset Management S.A.57,128$31K0.0%-87.1%0.103%
12/26/2024 JPMorgan Chase & Co.133,191$234K0.0%+1,968.5%0.241%
11/27/2024 Franklin Resources Inc.4,713,014$8.48M0.0%+34.9%8.540%
11/25/2024 World Investment Advisors LLC59,320$104K0.0%N/A0.107%
11/16/2024 Geode Capital Management LLC568,517$1.00M0.0%-7.9%1.030%
11/15/2024 Jacobs Levy Equity Management Inc.414,269$729K0.0%+39.5%0.751%
11/15/2024 Point72 Asia Singapore Pte. Ltd.19,278$34K0.0%-64.9%0.035%
11/14/2024 Suvretta Capital Management LLC5,073,913$8.93M0.3%+32.8%9.212%
11/5/2024 GSA Capital Partners LLP1,016,634$1.79M0.1%+409.4%1.846%
10/25/2024 abrdn plc2,658,527$4.68M0.0%+146.1%4.827%
10/23/2024 Assenagon Asset Management S.A.444,185$782K0.0%+70.3%0.809%
9/16/2024 Point72 DIFC Ltd23,698$28K0.0%N/A0.043%
9/16/2024 Point72 Asia Singapore Pte. Ltd.54,878$64K0.0%N/A0.100%
8/15/2024 AQR Capital Management LLC31,333$37K0.0%+70.3%0.057%
8/15/2024 Point72 Asia Singapore Pte. Ltd.54,878$64K0.0%N/A0.100%
8/14/2024 Squarepoint Ops LLC175,735$206K0.0%N/A0.320%
8/14/2024 Point72 DIFC Ltd23,698$28K0.0%N/A0.043%
8/12/2024 XTX Topco Ltd197,940$232K0.0%N/A0.360%
8/9/2024 Renaissance Technologies LLC621,625$727K0.0%N/A1.132%
8/6/2024 Acadian Asset Management LLC695,972$813K0.0%N/A1.267%
8/1/2024 Rhumbline Advisers28,709$34K0.0%-62.8%0.052%
8/1/2024 Hussman Strategic Advisors Inc.84,000$98K0.0%+14.3%0.153%
7/19/2024 Values First Advisors Inc.62,671$73K0.0%+501.8%0.114%
7/18/2024 Assenagon Asset Management S.A.260,789$305K0.0%-3.8%0.475%
7/12/2024 SG Americas Securities LLC29,178$34K0.0%N/A0.053%
5/16/2024 Jacobs Levy Equity Management Inc.42,449$384K0.0%N/A0.077%
5/16/2024 Bain Capital Life Sciences Investors LLC1,393,380$12.60M1.0%-2.6%2.537%
5/15/2024 Avoro Capital Advisors LLC4,140,607$37.43M0.4%+31.4%7.538%
5/10/2024 Vanguard Group Inc.2,805,920$25.37M0.0%+5.0%5.108%
5/2/2024 Hussman Strategic Advisors Inc.73,500$664K0.2%N/A0.134%
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3/5/2024 Wellington Management Group LLP241,299$2.62M0.0%+54.8%0.442%
2/15/2024 Opaleye Management Inc.563,500$6.13M1.6%-3.5%1.033%
2/14/2024 Superstring Capital Management LP462,444$5.03M3.6%N/A0.847%
2/13/2024 Campbell & CO Investment Adviser LLC105,383$1.15M0.1%N/A0.193%
2/12/2024 Alpha DNA Investment Management LLC49,664$540K0.2%-35.6%0.091%
2/9/2024 Franklin Resources Inc.3,833,955$41.68M0.0%+1.3%7.026%
2/9/2024 Trexquant Investment LP50,851$553K0.0%N/A0.093%
2/5/2024 Victory Capital Management Inc.83,270$905K0.0%-11.9%0.153%
2/5/2024 Mach 1 Financial Group LLC43,828$476K0.2%-35.7%0.080%
2/1/2024 New York State Common Retirement Fund17,120$186K0.0%-14.6%0.031%
2/1/2024 Jennison Associates LLC2,959,161$32.17M0.0%+0.1%5.423%
1/31/2024 abrdn plc552,572$6.01M0.0%N/A1.013%
1/24/2024 China Universal Asset Management Co. Ltd.6,307$69K0.0%+383.7%0.012%
1/19/2024 Denali Advisors LLC13,600$148K0.0%-48.9%0.025%
1/17/2024 Assenagon Asset Management S.A.271,157$2.95M0.0%-47.0%0.497%
1/12/2024 SG Americas Securities LLC12,289$134K0.0%N/A0.023%
1/1/2024 Wellington Management Group LLP155,844$1.26M0.0%-0.7%0.286%
12/18/2023 Vanguard Group Inc.2,577,475$20.75M0.0%+1.2%4.723%
11/15/2023 Acuta Capital Partners LLC19,500$157K0.1%N/A0.036%
11/15/2023 Adage Capital Partners GP L.L.C.2,904,476$23.38M0.1%+6.3%5.322%
11/14/2023 Eventide Asset Management LLC4,529,997$36.47M0.7%+42.8%8.301%
11/14/2023 Schonfeld Strategic Advisors LLC253,412$2.04M0.0%+69.5%0.464%
11/14/2023 Sherbrooke Park Advisers LLC17,539$141K0.0%N/A0.032%
11/8/2023 Values First Advisors Inc.13,461$108K0.1%-17.1%0.027%
11/7/2023 Alpha DNA Investment Management LLC77,083$621K0.3%N/A0.152%
11/7/2023 Barclays PLC9,012$73K0.0%-84.4%0.018%
11/6/2023 Assenagon Asset Management S.A.511,193$4.12M0.0%-25.1%1.010%
11/6/2023 Victory Capital Management Inc.94,550$761K0.0%+61.2%0.187%
10/31/2023 Jennison Associates LLC2,955,343$23.79M0.0%+58.4%5.839%
10/25/2023 BluePath Capital Management LLC4,730$38K0.0%N/A0.009%
10/20/2023 Denali Advisors LLC26,600$214K0.1%-49.4%0.053%
10/17/2023 Mach 1 Financial Group LLC68,203$549K0.2%N/A0.135%
10/11/2023 AE Wealth Management LLC69,230$557K0.0%N/A0.137%
8/15/2023 Suvretta Capital Management LLC4,057,611$44.07M2.4%-16.0%8.017%
8/14/2023Jefferies Financial Group Inc.254,021$2.76M0.0%-49.6%0.502%
8/14/2023 Graham Capital Management L.P.31,162$338K0.0%-60.1%0.062%
8/11/2023 Harvest Investment Services LLC44,572$484K0.3%N/A0.088%
8/11/2023 Campbell & CO Investment Adviser LLC11,856$129K0.0%N/A0.023%
8/11/2023 Franklin Resources Inc.1,316,868$14.30M0.0%+28.4%2.605%
8/10/2023 Metropolitan Life Insurance Co NY2,731$30K0.0%N/A0.005%
8/10/2023Tekla Capital Management LLC411,101$4.47M0.2%-10.0%0.813%
8/8/2023International Biotechnology Trust PLC90,000$977K0.3%N/A0.178%
8/4/2023 American International Group Inc.23,982$260K0.0%N/A0.047%
8/4/2023 Maven Securities LTD25,000$272K0.0%-28.6%0.049%
8/3/2023 Jennison Associates LLC1,865,430$20.26M0.0%N/A3.690%
8/3/2023 Bank of New York Mellon Corp163,770$1.78M0.0%+214.9%0.324%
8/2/2023 Values First Advisors Inc.16,245$176K0.1%-11.1%0.032%
8/2/2023 Bank of Montreal Can188,722$2.06M0.0%N/A0.373%
7/27/2023 Victory Capital Management Inc.58,660$637K0.0%N/A0.116%
7/18/2023 Denali Advisors LLC52,600$571K0.2%+447.9%0.104%
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5/16/2023 Altium Capital Management LP228,714$1.58M0.9%N/A0.452%
5/15/2023 Suvretta Capital Management LLC4,831,261$33.34M1.4%+0.2%9.558%
5/15/2023 AIGH Capital Management LLC1,336,150$9.22M3.4%N/A2.643%
5/12/2023 Mirabella Financial Services LLP57,388$396K0.1%+425.5%0.116%
5/12/2023 Tejara Capital Ltd38,649$267K0.1%-59.7%0.078%
5/10/2023 Simplify Asset Management Inc.150,000$1.04M0.1%N/A0.302%
5/10/2023Tekla Capital Management LLC456,780$3.15M0.1%N/A0.920%
5/9/2023 GMT Capital Corp1,181,570$8.15M0.3%N/A2.379%
5/9/2023 Y Intercept Hong Kong Ltd14,479$100K0.0%N/A0.029%
5/4/2023 Barclays PLC643,015$4.44M0.0%+3,441.8%1.295%
(Data available from 1/1/2016 forward)

MRNS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of MRNS shares?

During the previous two years, 68 institutional investors and hedge funds held shares of Marinus Pharmaceuticals. The most heavily invested institutionals were Avoro Capital Advisors LLC ($37.43M), Eventide Asset Management LLC ($36.47M), Jennison Associates LLC ($32.17M), Vanguard Group Inc. ($25.37M), Adage Capital Partners GP L.L.C. ($23.38M), Bain Capital Life Sciences Investors LLC ($12.60M), and AIGH Capital Management LLC ($9.22M).Learn more on MRNS's institutional investors.

What percentage of Marinus Pharmaceuticals stock is owned by institutional investors?

98.80% of Marinus Pharmaceuticals stock is owned by institutional investors. Learn more on MRNS's institutional investor holdings.

Which institutional investors have been buying Marinus Pharmaceuticals stock?

Of the 56 institutional investors that purchased Marinus Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Beryl Capital Management LLC ($4.23M), Jennison Associates LLC ($2.96M), abrdn plc ($2.13M), Franklin Resources Inc. ($1.56M), Eventide Asset Management LLC ($1.36M), AIGH Capital Management LLC ($1.34M), and Suvretta Capital Management LLC ($1.26M).

How much institutional buying is happening at Marinus Pharmaceuticals?

Institutional investors have bought a total of 26,170,865 shares in the last 24 months. This purchase volume represents approximately $124.47M in transactions.

Which Marinus Pharmaceuticals major shareholders have been selling company stock?

Of the 23 institutional investors that sold Marinus Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Tang Capital Management LLC ($3.06M), Assenagon Asset Management S.A. ($808.76K), Suvretta Capital Management LLC ($773.65K), Jefferies Financial Group Inc. ($249.77K), Millennium Management LLC ($243.09K), Geode Capital Management LLC ($88.34K), and Tejara Capital Ltd ($57.18K).

How much institutional selling is happening at Marinus Pharmaceuticals?

Institutional investors have sold a total of 5,685,762 shares in the last 24 months. This volume of shares sold represents approximately $20.92M in transactions.


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This page (NASDAQ:MRNS) was last updated on 2/22/2025 by MarketBeat.com Staff
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