Skip to main content

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 2021

Institutional positions in Marinus Pharmaceuticals, Inc. as of Mar 31, 2021. 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

Institutional holders
87
No complete 13F data for Q4 2020
Shares held
31.0M
No complete 13F data for Q4 2020
Total value
$480.3M
No complete 13F data for Q4 2020

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 2021: 87 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 2021: $480.3M
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 2021

Shares, value and share of portfolio for each institution holding Marinus Pharmaceuticals, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding MRNS in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Lion Point Capital, LP3,618,334$56.0M13.70%––
Avoro Capital Advisors LLC3,235,000$50.1M0.86%––
BlackRock Inc.2,726,638$42.2M0.00%––
VR Adviser, LLC2,641,809$40.9M4.44%––
Boxer Capital, LLC2,400,000$37.2M1.26%––
683 Capital Management, LLC1,893,400$29.3M1.90%––
Suvretta Capital Management, LLC1,826,445$28.3M0.42%––
Vanguard Group Inc1,702,989$26.4M0.00%––
Adage Capital Partners GP, L.L.C.1,462,500$22.6M0.05%––
Bain Capital Life Sciences Investors, LLC1,431,058$22.2M1.25%––
Bleichroeder LP829,910$12.8M2.17%––
Artal Group S.A.800,000$12.4M0.26%––
Alyeska Investment Group, L.P.631,210$9.77M0.13%––
State Street Corp510,950$7.91M0.00%––
Geode Capital Management, LLC504,575$7.81M0.00%––
FMR LLC474,765$7.35M0.00%––
Granite Point Capital Management, L.P.469,324$7.26M2.12%––
Sofinnova Investments, Inc.370,351$5.73M0.36%––
Franklin Resources Inc357,200$5.53M0.00%––
Northern Trust Corp312,221$4.83M0.00%––
Scion Asset Management, LLC297,272$4.60M3.95%––
Susquehanna International Group, LLP261,385$4.05M0.01%––
Goldman Sachs Group Inc229,994$3.56M0.00%––
JPMorgan Chase & Co190,093$2.94M0.00%––
Two Sigma Advisers, LP114,650$1.77M0.00%––
Bank of New York Mellon Corp95,455$1.48M0.00%––
Assenagon Asset Management S.A.92,101$1.43M0.01%––
Victory Capital Management Inc91,559$1.42M0.00%––
First Trust Advisors LP86,139$1.33M0.00%––
Nuveen Asset Management, LLC85,974$1.33M0.00%––
Charles Schwab Investment Management Inc74,832$1.16M0.00%––
HN Saltoro Capital, LP70,623$1.09M0.90%––
Los Angeles Capital Management LLC69,730$1.08M0.00%––
Morgan Stanley68,568$1.06M0.00%––
Dimensional Fund Advisors LP60,848$941.0K0.00%––
Knott David M60,266$933.0K0.41%––
Two Sigma Investments, LP59,868$927.0K0.00%––
California Public Employees Retirement System50,850$787.0K0.00%––
Jane Street Group, LLC46,555$721.0K0.00%––
Millennium Management LLC45,339$702.0K0.00%––
California State Teachers Retirement System43,937$680.0K0.00%––
Price T Rowe Associates Inc42,186$653.0K0.00%––
Palo Alto Investors LP31,330$485.0K0.03%––
HarbourVest Partners LLC30,962$479.0K0.06%––
State of Wisconsin Investment Board30,400$471.0K0.00%––
Citadel Advisors LLC29,291$453.0K0.00%––
Bank of America Corp29,094$450.0K0.00%––
Blackstone Group Inc.28,382$439.0K0.00%––
Rhumbline Advisers25,976$402.0K0.00%––
Maven Securities LTD25,000$379.0K0.04%––
Grimes & Company, Inc.23,825$369.0K0.02%––
Virtus ETF Advisers LLC22,912$355.0K0.15%––
New York State Common Retirement Fund22,249$344.0K0.00%––
UBS Group AG21,009$325.0K0.00%––
Deutsche Bank AG19,261$298.0K0.00%––
SG Americas Securities, LLC18,142$281.0K0.00%––
Alliancebernstein L.P.18,024$279.0K0.00%––
Manufacturers Life Insurance Company, The17,256$267.0K0.00%––
D. E. Shaw & Co., Inc.17,203$266.0K0.00%––
American International Group, Inc.16,978$263.0K0.00%––
Wolverine Trading, LLC18,214$261.0K0.01%––
Group One Trading, L.P.14,691$227.0K0.00%––
Squarepoint Ops LLC14,657$227.0K0.00%––
Engineers Gate Manager LP13,325$206.0K0.01%––
ProShare Advisors LLC12,716$197.0K0.00%––
MetLife Investment Management12,435$192.5K0.00%––
Voya Investment Management LLC12,220$189.0K0.00%––
AQR Capital Management LLC11,535$179.0K0.00%––
Advisor Group Holdings, Inc.11,254$174.0K0.00%––
Simplex Trading, LLC8,557$132.0K0.01%––
Metropolitan Life Insurance Co7,258$112.4K0.00%––
Wells Fargo & Company5,969$92.0K0.00%––
Citigroup Inc4,239$65.0K0.00%––
Sowell Financial Services LLC4,215$58.0K0.00%––
Legal & General Group Plc3,149$49.0K0.00%––
Royal Bank of Canada2,438$38.0K0.00%––
Tower Research Capital LLC (TRC)2,467$38.0K0.00%––
Ameritas Investment Partners, Inc.2,369$37.0K0.00%––
Bank of Montreal865$13.0K0.00%––
Penserra Capital Management LLC810$12.0K0.00%––
Cutler Group LP625$9.00K0.00%––
JFS Wealth Advisors, LLC250$4.00K0.00%––
Rockefeller Capital Management L.P.250$3.00K0.00%––
Wagner Wealth Management, LLC100$2.00K0.00%––
Steward Partners Investment Advisory, LLC100$1.55K0.00%––
Harbor Investment Advisory, LLC37$1.00K0.00%––
Daiwa Securities Group Inc.58$1.00K0.00%––