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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 2022

Institutional positions in Marinus Pharmaceuticals, Inc. as of Jun 30, 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
73
−9 vs. Q1 2022
Shares held
28.8M
−1.16M (−3.9%) vs. Q1 2022
Total value
$140.6M
−$139.8M (−49.9%) vs. Q1 2022
New holders
16
16 more added
Sold out
25
23 more reduced

1 institution that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2022: 73 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 2022: $140.6M
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, Q2 2022

Shares, value and share of portfolio for each institution holding Marinus Pharmaceuticals, Inc.; share changes are against Q1 2022.

Institutions holding MRNS in Q2 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Lion Point Capital, LP3,684,622$19.0M6.72%+55,000+1.5%Added
Suvretta Capital Management, LLC3,510,831$17.0M0.65%+744,831+26.9%Added
VR Adviser, LLC3,156,803$15.3M3.01%00.0%Unchanged
Avoro Capital Advisors LLC3,150,000$15.2M0.30%00.0%Unchanged
683 Capital Management, LLC1,900,000$9.20M0.66%−32,829−1.7%Reduced
Vanguard Group Inc1,674,558$8.11M0.00%−22,117−1.3%Reduced
Bain Capital Life Sciences Investors, LLC1,431,058$6.93M0.81%00.0%Unchanged
Bleichroeder LP1,322,463$6.40M1.32%00.0%Unchanged
Adage Capital Partners GP, L.L.C.1,262,500$6.11M0.01%00.0%Unchanged
Artal Group S.A.1,000,000$4.84M0.27%00.0%Unchanged
BlackRock Inc.941,311$4.56M0.00%−1,684,717−64.2%Reduced
Jefferies Group LLC494,764$2.39M0.07%00.0%Unchanged
Granite Point Capital Management, L.P.472,056$2.29M1.99%00.0%Unchanged
Antara Capital LP467,481$2.26M0.23%+277,273+145.8%Added
Franklin Resources Inc437,700$2.12M0.00%+80,500+22.5%Added
Millennium Management LLC384,071$1.86M0.00%+384,071New
Bank of Montreal351,700$1.79M0.00%00.0%Unchanged
Geode Capital Management, LLC330,316$1.60M0.00%−308,900−48.3%Reduced
Rubric Capital Management LP315,277$1.53M0.08%+71,803+29.5%Added
FMR LLC251,095$1.22M0.00%−62,187−19.9%Reduced
Stonepine Capital Management, LLC242,327$1.17M0.55%+185,580+327.0%Added
Citadel Advisors LLC219,490$1.06M0.00%+191,640+688.1%Added
Ergoteles LLC195,288$945.0K0.03%+195,288New
Renaissance Technologies LLC156,900$759.0K0.00%+123,000+362.8%Added
State Street Corp130,176$630.0K0.00%−530,343−80.3%Reduced
Victory Capital Management Inc113,779$551.0K0.00%00.0%Unchanged
Assenagon Asset Management S.A.107,123$518.0K0.00%+107,123New
Morgan Stanley105,947$511.0K0.00%+83,906+380.7%Added
UBS Group AG96,197$465.0K0.00%+62,260+183.5%Added
Wellington Management Group LLP87,692$424.0K0.00%00.0%Unchanged
Cubist Systematic Strategies, LLC76,635$371.0K0.00%+76,635New
Dimensional Fund Advisors LP74,511$360.0K0.00%−13,874−15.7%Reduced
Opaleye Management Inc.68,900$333.0K0.15%+68,900New
Northern Trust Corp57,083$277.0K0.00%−261,494−82.1%Reduced
Two Sigma Investments, LP51,325$248.0K0.00%+28,409+124.0%Added
Goldman Sachs Group Inc45,584$220.0K0.00%−111,365−71.0%Reduced
Gsa Capital Partners LLP42,256$205.0K0.03%−23,273−35.5%Reduced
XTX Topco Ltd37,982$184.0K0.08%+37,982New
Maven Securities LTD35,000$169.0K0.03%00.0%Unchanged
Grimes & Company, Inc.33,879$164.0K0.01%+1,114+3.4%Added
Palo Alto Investors LP31,330$152.0K0.01%00.0%Unchanged
Qube Research & Technologies Ltd27,602$134.0K0.00%+27,602New
Susquehanna International Group, LLP26,766$130.0K0.00%−4,832−15.3%Reduced
HRT Financial LP26,408$127.0K0.00%+26,408New
Bank of New York Mellon Corp20,262$98.0K0.00%−99,943−83.1%Reduced
LMR Partners LLP17,565$85.0K0.00%+17,565New
Price T Rowe Associates Inc15,600$76.0K0.00%+4,417+39.5%Added
Laurion Capital Management LP15,377$74.0K0.00%+15,377New
Jane Street Group, LLC14,078$68.0K0.00%+1,616+13.0%Added
Cutler Group LP13,259$64.0K0.01%+10,651+408.4%Added
PDT Partners, LLC12,951$63.0K0.01%+12,951New
Charles Schwab Investment Management Inc12,809$62.0K0.00%−82,238−86.5%Reduced
Bank of America Corp12,470$60.0K0.00%−7,512−37.6%Reduced
Group One Trading, L.P.7,612$37.0K0.00%−16,365−68.3%Reduced
Quantbot Technologies LP3,500$16.0K0.00%−800−18.6%Reduced
Tower Research Capital LLC (TRC)2,413$12.0K0.00%−2,000−45.3%Reduced
Ci Investments Inc.2,500$12.0K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)2,327$11.0K0.00%−282−10.8%Reduced
JPMorgan Chase & Co2,070$10.0K0.00%−290,790−99.3%Reduced
Vectors Research Management, LLC2,000$10.0K0.00%+2,000New
Citigroup Inc1,440$7.00K0.00%−1,540−51.7%Reduced
Simplex Trading, LLC974$4.00K0.00%+974New
Advisor Group Holdings, Inc.637$3.00K0.00%+100+18.6%Added
Ancora Advisors, LLC400$2.00K0.00%00.0%Unchanged
Carolinas Wealth Consulting LLC423$2.00K0.00%00.0%Unchanged
New York State Common Retirement Fund260$1.00K0.00%−23,302−98.9%Reduced
Wells Fargo & Company221$1.00K0.00%−4,647−95.5%Reduced
Royal Bank of Canada47$00.00%−2,269−98.0%Reduced
Daiwa Securities Group Inc.58$00.00%00.0%Unchanged
Harbor Investment Advisory, LLC37$00.00%00.0%Unchanged
Credit Suisse AG20$00.00%+20New
Massmutual Trust Co FSB97$00.00%+97New
Ellevest, Inc.23$00.00%+23New
Nuveen Asset Management, LLC0$00.00%−111,914−100.0%Sold out
Rhumbline Advisers0$00.00%−37,114−100.0%Sold out
Trexquant Investment LP0$00.00%−35,738−100.0%Sold out
Virtu Financial LLC0$00.00%−23,650−100.0%Sold out
Deutsche Bank AG0$00.00%−20,984−100.0%Sold out
Walleye Trading LLC0$00.00%−20,587−100.0%Sold out
MetLife Investment Management0$00.00%−20,363−100.0%Sold out
Alliancebernstein L.P.0$00.00%−20,024−100.0%Sold out
American International Group, Inc.0$00.00%−18,337−100.0%Sold out
Manufacturers Life Insurance Company, The0$00.00%−16,115−100.0%Sold out
Nisa Investment Advisors, LLC0$00.00%−16,000−100.0%Sold out
State Board of Administration of Florida Retirement System0$00.00%−15,864−100.0%Sold out
California State Teachers Retirement System0$00.00%−15,775−100.0%Sold out
Virtus ETF Advisers LLC0$00.00%−15,039−100.0%Sold out
Caption Management, LLC0$00.00%−15,000−100.0%Sold out
Voya Investment Management LLC0$00.00%−14,703−100.0%Sold out
Invesco Ltd.0$00.00%−13,754−100.0%Sold out
ProShare Advisors LLC0$00.00%−10,743−100.0%Sold out
Barclays PLC0$00.00%−5,996−100.0%Sold out
Amalgamated Bank0$00.00%−6,013−100.0%Sold out
Legal & General Group Plc0$00.00%−3,990−100.0%Sold out
Ameritas Investment Partners, Inc.0$00.00%−2,896−100.0%Sold out
Metropolitan Life Insurance Co0$00.00%−2,539−100.0%Sold out
State of Wyoming0$00.00%−611−100.0%Sold out
Rockefeller Capital Management L.P.0$00.00%−250−100.0%Sold out
Amalgamated Financial Corp.––––Not filed