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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, Q4 2022

Institutional positions in Marinus Pharmaceuticals, Inc. as of Dec 31, 2022. 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
74
+6 vs. Q3 2022
Shares held
40.4M
+12.0M (+42.3%) vs. Q3 2022
Total value
$165.6M
−$17.9M (−9.8%) vs. Q3 2022
New holders
19
33 more added
Sold out
13
11 more reduced

1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 holdersQ4 2022: 74 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 heldQ4 2022: $165.6M
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, Q4 2022

Shares, value and share of portfolio for each institution holding Marinus Pharmaceuticals, Inc.; share changes are against Q3 2022.

Institutions holding MRNS in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Lion Point Capital, LP4,222,648$21.5M12.83%+538,026+14.6%Added
Suvretta Capital Management, LLC4,822,995$19.2M0.81%+1,285,295+36.3%Added
Point72 Asset Management, L.P.3,515,000$14.0M0.05%+3,515,000New
Avoro Capital Advisors LLC3,150,000$12.5M0.19%00.0%Unchanged
Eventide Asset Management, LLC3,150,000$12.5M0.25%+3,150,000New
Adage Capital Partners GP, L.L.C.2,052,500$8.17M0.02%+815,000+65.9%Added
Vanguard Group Inc1,992,089$7.93M0.00%+300,719+17.8%Added
Bleichroeder LP1,872,463$7.45M1.62%+550,000+41.6%Added
VR Adviser, LLC1,770,705$7.05M1.19%−1,386,098−43.9%Reduced
Antara Capital LP1,698,794$6.76M0.82%+702,000+70.4%Added
Woodline Partners LP1,571,392$6.25M0.09%+203,269+14.9%Added
Bain Capital Life Sciences Investors, LLC1,431,058$5.70M0.64%00.0%Unchanged
Millennium Management LLC1,082,759$4.31M0.00%+872,782+415.7%Added
BlackRock Inc.1,077,950$4.29M0.00%+118,752+12.4%Added
Walleye Capital LLC840,757$3.35M0.07%+554,074+193.3%Added
Opaleye Management Inc.826,200$3.29M1.14%+826,200New
Jefferies Financial Group Inc.494,764$1.97M0.03%+494,764New
Assenagon Asset Management S.A.449,948$1.79M0.01%−77,977−14.8%Reduced
Franklin Resources Inc437,700$1.74M0.00%00.0%Unchanged
Bank of Montreal420,400$1.68M0.00%+68,700+19.5%Added
Geode Capital Management, LLC417,729$1.66M0.00%+82,573+24.6%Added
Susquehanna International Group, LLP366,565$1.46M0.00%+329,660+893.3%Added
Citadel Advisors LLC352,453$1.40M0.00%+120,625+52.0%Added
Rubric Capital Management LP315,277$1.25M0.05%00.0%Unchanged
Islet Management, LP200,000$796.0K1.48%+200,000New
Renaissance Technologies LLC162,700$648.0K0.00%−30,625−15.8%Reduced
State Street Corp142,076$565.5K0.00%+21,900+18.2%Added
Caption Management, LLC103,022$410.0K0.07%+103,022New
Morgan Stanley101,261$403.0K0.00%+66,925+194.9%Added
Tejara Capital Ltd95,828$381.4K0.22%+95,828New
Bank of America Corp94,801$377.3K0.00%+80,248+551.4%Added
683 Capital Management, LLC90,000$358.2K0.03%−885,000−90.8%Reduced
Simplex Trading, LLC84,005$334.0K0.02%+50,663+151.9%Added
Man Group plc82,930$330.1K0.00%+14,210+20.7%Added
Northern Trust Corp76,077$302.8K0.00%+19,074+33.5%Added
UBS Group AG75,836$301.8K0.00%−20,539−21.3%Reduced
Citigroup Inc75,803$301.7K0.00%+67,299+791.4%Added
Hudson Bay Capital Management LP72,016$286.6K0.00%+56,763+372.1%Added
Goldman Sachs Group Inc63,971$254.6K0.00%−59,048−48.0%Reduced
Nomura Holdings Inc58,816$234.0K0.00%+58,034+7,421.2%Added
XTX Topco Ltd55,106$219.3K0.05%+42,293+330.1%Added
Qube Research & Technologies Ltd44,422$176.8K0.00%+24,031+117.9%Added
PDT Partners, LLC37,207$148.1K0.02%+22,968+161.3%Added
Maven Securities LTD35,000$139.3K0.03%00.0%Unchanged
Grimes & Company, Inc.34,629$137.8K0.01%00.0%Unchanged
Alps Advisors Inc32,378$128.9K0.00%+32,378New
Dimensional Fund Advisors LP32,089$128.0K0.00%+32,089New
Marshall Wace, LLP26,813$106.7K0.00%+26,813New
Tower Research Capital LLC (TRC)24,735$99.0K0.00%+23,120+1,431.6%Added
Charles Schwab Investment Management Inc24,660$98.1K0.00%+11,851+92.5%Added
Boothbay Fund Management, LLC23,927$95.2K0.00%+23,927New
Price T Rowe Associates Inc23,100$92.0K0.00%+7,500+48.1%Added
Bank of New York Mellon Corp19,117$76.1K0.00%−365−1.9%Reduced
Barclays PLC18,155$72.3K0.00%+15,937+718.5%Added
Lighthouse Investment Partners, LLC16,928$67.4K0.01%+16,928New
Jump Financial, LLC13,874$55.2K0.00%+13,874New
Jane Street Group, LLC11,694$46.5K0.00%+11,694New
Mirabella Financial Services LLP10,920$43.5K0.00%+10,920New
Parallax Volatility Advisers, L.P.10,292$41.0K0.00%−50,577−83.1%Reduced
Trexquant Investment LP10,213$40.6K0.00%+10,213New
Aquatic Capital Management LLC8,200$33.0K0.00%+8,200New
Acadian Asset Management LLC7,041$28.0K0.00%+7,041New
Group One Trading, L.P.2,519$10.0K0.00%−9,393−78.9%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)2,327$9.26K0.00%00.0%Unchanged
JPMorgan Chase & Co620$2.00K0.00%−1,940−75.8%Reduced
Advisor Group Holdings, Inc.624$2.00K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.485$1.93K0.00%+136+39.0%Added
Carolinas Wealth Consulting LLC423$1.68K0.00%00.0%Unchanged
Cubist Systematic Strategies, LLC356$1.42K0.00%+356New
Wells Fargo & Company296$1.18K0.00%+71+31.6%Added
FMR LLC223$8880.00%−250,644−99.9%Reduced
Harbor Investment Advisory, LLC37$1470.00%00.0%Unchanged
Royal Bank of Canada56$00.00%+4+7.7%Added
Daiwa Securities Group Inc.58$00.00%00.0%Unchanged
Granite Point Capital Management, L.P.0$00.00%−472,056−100.0%Sold out
Artal Group S.A.0$00.00%−157,000−100.0%Sold out
Ergoteles LLC0$00.00%−150,334−100.0%Sold out
Palo Alto Investors LP0$00.00%−31,330−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−30,856−100.0%Sold out
Walleye Trading LLC0$00.00%−17,669−100.0%Sold out
LMR Partners LLP0$00.00%−17,565−100.0%Sold out
Delphia (USA) Inc.0$00.00%−12,973−100.0%Sold out
Corton Capital Inc.0$00.00%−12,736−100.0%Sold out
Ci Investments Inc.0$00.00%−2,500−100.0%Sold out
Quantbot Technologies LP0$00.00%−1,800−100.0%Sold out
Ancora Advisors, LLC0$00.00%−400−100.0%Sold out
BNP Paribas Arbitrage, SA0$00.00%−129−100.0%Sold out
Jefferies Group LLC––––Not filed