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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, Q2 2021

Institutional positions in Marinus Pharmaceuticals, Inc. as of Jun 30, 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
80
−7 vs. Q1 2021
Shares held
31.5M
+455.9K (+1.5%) vs. Q1 2021
Total value
$563.3M
+$83.0M (+17.3%) vs. Q1 2021
New holders
8
37 more added
Sold out
15
18 more reduced

Compare with Q1 2021: 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 holdersQ2 2021: 80 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 heldQ2 2021: $563.3M
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, Q2 2021

Shares, value and share of portfolio for each institution holding Marinus Pharmaceuticals, Inc.; share changes are against Q1 2021.

Institutions holding MRNS in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Lion Point Capital, LP3,631,694$65.2M15.44%+13,360+0.4%Added
Avoro Capital Advisors LLC3,235,000$58.0M1.01%00.0%Unchanged
BlackRock Inc.3,015,028$54.1M0.00%+288,390+10.6%Added
VR Adviser, LLC2,641,809$47.4M5.75%00.0%Unchanged
Boxer Capital, LLC2,400,000$43.1M1.52%00.0%Unchanged
683 Capital Management, LLC1,929,929$34.6M1.72%+36,529+1.9%Added
Suvretta Capital Management, LLC1,826,445$32.8M0.49%00.0%Unchanged
Vanguard Group Inc1,725,750$31.0M0.00%+22,761+1.3%Added
Bain Capital Life Sciences Investors, LLC1,431,058$25.7M1.68%00.0%Unchanged
Adage Capital Partners GP, L.L.C.1,262,500$22.6M0.04%−200,000−13.7%Reduced
Bleichroeder LP1,062,500$19.1M2.88%+232,590+28.0%Added
Artal Group S.A.1,000,000$17.9M0.41%+200,000+25.0%Added
State Street Corp653,946$11.7M0.00%+142,996+28.0%Added
Scion Asset Management, LLC625,000$11.2M8.15%+327,728+110.2%Added
Geode Capital Management, LLC584,183$10.5M0.00%+79,608+15.8%Added
FMR LLC474,765$8.52M0.00%00.0%Unchanged
Granite Point Capital Management, L.P.419,324$7.52M2.23%−50,000−10.7%Reduced
Northern Trust Corp361,393$6.48M0.00%+49,172+15.7%Added
Franklin Resources Inc357,200$6.41M0.00%00.0%Unchanged
Sofinnova Investments, Inc.346,160$6.21M0.38%−24,191−6.5%Reduced
Goldman Sachs Group Inc234,872$4.21M0.00%+4,878+2.1%Added
Alyeska Investment Group, L.P.218,837$3.93M0.05%−412,373−65.3%Reduced
Citadel Advisors LLC215,015$3.86M0.00%+185,724+634.1%Added
JPMorgan Chase & Co130,986$2.35M0.00%−59,107−31.1%Reduced
Bank of New York Mellon Corp102,627$1.84M0.00%+7,172+7.5%Added
Victory Capital Management Inc95,079$1.71M0.00%+3,520+3.8%Added
Assenagon Asset Management S.A.92,101$1.65M0.01%00.0%Unchanged
Charles Schwab Investment Management Inc91,045$1.63M0.00%+16,213+21.7%Added
Dimensional Fund Advisors LP88,907$1.59M0.00%+28,059+46.1%Added
First Trust Advisors LP85,567$1.53M0.00%−572−0.7%Reduced
Morgan Stanley84,161$1.51M0.00%+15,593+22.7%Added
Two Sigma Advisers, LP83,025$1.49M0.00%−31,625−27.6%Reduced
Knott David M81,166$1.46M0.56%+20,900+34.7%Added
Verition Fund Management LLC72,025$1.29M0.02%+72,025New
Two Sigma Investments, LP59,292$1.06M0.00%−576−1.0%Reduced
California State Teachers Retirement System50,899$913.0K0.00%+6,962+15.8%Added
Los Angeles Capital Management LLC45,567$817.0K0.00%−24,163−34.7%Reduced
Nuveen Asset Management, LLC128,456$736.0K0.00%+42,482+49.4%Added
Rhumbline Advisers35,107$630.0K0.00%+9,131+35.2%Added
Jane Street Group, LLC33,702$605.0K0.00%−12,853−27.6%Reduced
New York State Common Retirement Fund31,892$572.0K0.00%+9,643+43.3%Added
Palo Alto Investors LP31,330$562.0K0.03%00.0%Unchanged
UBS Group AG30,651$550.0K0.00%+9,642+45.9%Added
State of Wisconsin Investment Board30,400$545.0K0.00%00.0%Unchanged
Susquehanna International Group, LLP28,953$519.0K0.00%−232,432−88.9%Reduced
Grimes & Company, Inc.26,431$474.0K0.02%+2,606+10.9%Added
Maven Securities LTD25,000$463.0K0.05%00.0%Unchanged
Deutsche Bank AG22,864$410.0K0.00%+3,603+18.7%Added
Manufacturers Life Insurance Company, The21,306$382.0K0.00%+4,050+23.5%Added
American International Group, Inc.20,696$371.0K0.00%+3,718+21.9%Added
Alliancebernstein L.P.20,024$359.0K0.00%+2,000+11.1%Added
ProShare Advisors LLC16,164$290.0K0.00%+3,448+27.1%Added
State Board of Administration of Florida Retirement System15,713$282.0K0.00%+15,713New
Jefferies Group LLC15,297$274.4K0.00%+15,297New
Voya Investment Management LLC14,615$262.0K0.00%+2,395+19.6%Added
Advisor Group Holdings, Inc.13,717$245.0K0.00%+2,463+21.9%Added
Bank of America Corp13,483$242.0K0.00%−15,611−53.7%Reduced
MetLife Investment Management12,435$223.1K0.00%00.0%Unchanged
Virtus ETF Advisers LLC11,930$214.0K0.09%−10,982−47.9%Reduced
Invesco Ltd.11,755$210.0K0.00%+11,755New
Metropolitan Life Insurance Co10,836$194.4K0.00%+3,578+49.3%Added
Wolverine Trading, LLC10,181$185.0K0.01%−8,033−44.1%Reduced
Simplex Trading, LLC8,393$150.0K0.01%−164−1.9%Reduced
Pinz Capital Management, LP6,300$113.0K0.03%+6,300New
Citigroup Inc5,629$101.0K0.00%+1,390+32.8%Added
Legal & General Group Plc3,904$70.0K0.00%+755+24.0%Added
Ameritas Investment Partners, Inc.2,896$52.0K0.00%+527+22.2%Added
Royal Bank of Canada2,591$46.0K0.00%+153+6.3%Added
Tower Research Capital LLC (TRC)2,180$39.0K0.00%−287−11.6%Reduced
Vectors Research Management, LLC2,000$36.0K0.01%+2,000New
Penserra Capital Management LLC835$14.0K0.00%+25+3.1%Added
Cutler Group LP625$11.0K0.00%00.0%Unchanged
Meeder Asset Management Inc576$10.0K0.00%+576New
Group One Trading, L.P.255$5.00K0.00%−14,436−98.3%Reduced
JFS Wealth Advisors, LLC250$4.00K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.250$4.00K0.00%00.0%Unchanged
Wells Fargo & Company201$3.00K0.00%−5,768−96.6%Reduced
State of Wyoming84$2.00K0.00%+84New
Harbor Investment Advisory, LLC37$1.00K0.00%00.0%Unchanged
Daiwa Securities Group Inc.58$1.00K0.00%00.0%Unchanged
HN Saltoro Capital, LP0$00.00%−70,623−100.0%Sold out
California Public Employees Retirement System0$00.00%−50,850−100.0%Sold out
Millennium Management LLC0$00.00%−45,339−100.0%Sold out
Price T Rowe Associates Inc0$00.00%−42,186−100.0%Sold out
HarbourVest Partners LLC0$00.00%−30,962−100.0%Sold out
Blackstone Group Inc.0$00.00%−28,382−100.0%Sold out
SG Americas Securities, LLC0$00.00%−18,142−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−17,203−100.0%Sold out
Squarepoint Ops LLC0$00.00%−14,657−100.0%Sold out
Engineers Gate Manager LP0$00.00%−13,325−100.0%Sold out
AQR Capital Management LLC0$00.00%−11,535−100.0%Sold out
Sowell Financial Services LLC0$00.00%−4,215−100.0%Sold out
Bank of Montreal0$00.00%−865−100.0%Sold out
Wagner Wealth Management, LLC0$00.00%−100−100.0%Sold out
Steward Partners Investment Advisory, LLC0$00.00%−100−100.0%Sold out