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Marinus Pharmaceuticals, Inc.

MRNSDelisted Feb 11, 2025
Industry
Pharmaceutical Preparations
SEC CIK
0001267813

Marinus Pharmaceuticals, Inc. was delisted on Feb 11, 2025; its insiders filed their last Form 4 on Feb 11, 2025; 53 institutions reported holding it in 13F filings for Q4 2024, worth $15.8M in total; no superinvestor held it.

13F holders, Q1 2025

Institutional positions in Marinus Pharmaceuticals, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

MRNS is no longer listed, and 13F filings after Q4 2024 list far fewer holders. See Q4 2024

Institutional holders
0
−53 vs. Q4 2024
Shares held
0
−29.6M (−100.0%) vs. Q4 2024
Total value
$0
−$15.8M (−100.0%) vs. Q4 2024
New holders
0
0 more added
Sold out
53
0 more reduced

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MRNS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 0 institutions
Q1 2021: 87 institutionsQ2 2021: 80 institutionsQ3 2021: 82 institutionsQ4 2021: 75 institutionsQ1 2022: 83 institutionsQ2 2022: 73 institutionsQ3 2022: 69 institutionsQ4 2022: 74 institutionsQ1 2023: 86 institutionsQ2 2023: 106 institutionsQ3 2023: 104 institutionsQ4 2023: 105 institutionsQ1 2024: 112 institutionsQ2 2024: 90 institutionsQ3 2024: 75 institutionsQ4 2024: 53 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ1 2025: $0
Q1 2021: $480.3MQ2 2021: $563.3MQ3 2021: $362.0MQ4 2021: $355.7MQ1 2022: $280.4MQ2 2022: $140.6MQ3 2022: $186.9MQ4 2022: $165.6MQ1 2023: $283.9MQ2 2023: $485.0MQ3 2023: $411.1MQ4 2023: $585.2MQ1 2024: $486.5MQ2 2024: $50.6MQ3 2024: $72.9MQ4 2024: $15.8MQ1 2025: $0Q2 2025: $0Q3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding MRNS and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20250$0
Q2 20250$0
Q1 20250$0
Q4 202453$15.8M
Q3 202475$72.9M
Q2 202490$50.6M
Q1 2024112$486.5M
Q4 2023105$585.2M
Q3 2023104$411.1M
Q2 2023106$485.0M
Q1 202386$283.9M
Q4 202274$165.6M
Q3 202269$186.9M
Q2 202273$140.6M
Q1 202283$280.4M
Q4 202175$355.7M
Q3 202182$362.0M
Q2 202180$563.3M
Q1 202187$480.3M

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Marinus Pharmaceuticals, Inc.; share changes are against Q4 2024.

Institutions holding MRNS in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Beryl Capital Management LLC0$00.00%−4,227,460−100.0%Sold out
Morgan Stanley0$00.00%−3,299,229−100.0%Sold out
Oddo BHF Asset Management SAS0$00.00%−2,700,000−100.0%Sold out
Bain Capital Life Sciences Investors, LLC0$00.00%−2,693,380−100.0%Sold out
Standard Life Aberdeen plc0$00.00%−2,658,527−100.0%Sold out
Vanguard Group Inc0$00.00%−2,596,768−100.0%Sold out
Woodline Partners LP0$00.00%−2,335,681−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−1,837,491−100.0%Sold out
Tang Capital Management LLC0$00.00%−1,641,945−100.0%Sold out
BlackRock, Inc.0$00.00%−883,675−100.0%Sold out
Acadian Asset Management LLC0$00.00%−696,740−100.0%Sold out
Geode Capital Management, LLC0$00.00%−529,053−100.0%Sold out
Citadel Advisors LLC0$00.00%−501,911−100.0%Sold out
JPMorgan Chase & Co0$00.00%−487,584−100.0%Sold out
Schroder Investment Management Group0$00.00%−290,000−100.0%Sold out
UBS Group AG0$00.00%−258,944−100.0%Sold out
Royal Bank of Canada0$00.00%−249,138−100.0%Sold out
Millennium Management LLC0$00.00%−239,414−100.0%Sold out
State Street Corp0$00.00%−222,576−100.0%Sold out
XTX Topco Ltd0$00.00%−219,819−100.0%Sold out
Deltec Asset Management LLC0$00.00%−200,000−100.0%Sold out
Northern Trust Corp0$00.00%−113,280−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−100,853−100.0%Sold out
Gabelli & Co Investment Advisers, Inc.0$00.00%−100,000−100.0%Sold out
Virtu Financial LLC0$00.00%−66,717−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−57,128−100.0%Sold out
Goldman Sachs Group Inc0$00.00%−52,328−100.0%Sold out
Price T Rowe Associates Inc0$00.00%−44,200−100.0%Sold out
Harvest Investment Services, LLC0$00.00%−41,144−100.0%Sold out
HRT Financial LP0$00.00%−30,943−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−23,199−100.0%Sold out
Two Sigma Investments, LP0$00.00%−22,868−100.0%Sold out
Point72 Asia (Singapore) Pte. Ltd.0$00.00%−20,779−100.0%Sold out
Jacobs Levy Equity Management, Inc0$00.00%−20,356−100.0%Sold out
Engineers Gate Manager LP0$00.00%−16,023−100.0%Sold out
Commonwealth Equity Services, LLC0$00.00%−12,518−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−12,897−100.0%Sold out
Perfromance Wealth Partners, LLC0$00.00%−11,000−100.0%Sold out
Simplex Trading, LLC0$00.00%−9,526−100.0%Sold out
Group One Trading, L.P.0$00.00%−6,310−100.0%Sold out
Advisor Group Holdings, Inc.0$00.00%−6,001−100.0%Sold out
Federated Hermes, Inc.0$00.00%−2,286−100.0%Sold out
Wells Fargo & Company0$00.00%−1,800−100.0%Sold out
Bank of America Corp0$00.00%−1,653−100.0%Sold out
BNP Paribas Arbitrage, SA0$00.00%−1,322−100.0%Sold out
1620 Investment Advisors, Inc.0$00.00%−1,000−100.0%Sold out
Citigroup Inc0$00.00%−932−100.0%Sold out
Zurcher Kantonalbank (Zurich Cantonalbank)0$00.00%−275−100.0%Sold out
Fifth Third Bancorp0$00.00%−115−100.0%Sold out
Barclays PLC0$00.00%−54−100.0%Sold out
SBI Securities Co., Ltd.0$00.00%−50−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−21−100.0%Sold out
Coppell Advisory Solutions LLC0$00.00%−3,092−100.0%Sold out