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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 2022

Institutional positions in Marinus Pharmaceuticals, Inc. as of Mar 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
83
+8 vs. Q4 2021
Shares held
30.0M
+24.8K (+0.1%) vs. Q4 2021
Total value
$280.4M
−$75.3M (−21.2%) vs. Q4 2021
New holders
18
22 more added
Sold out
10
25 more reduced

Compare with Q4 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 holdersQ1 2022: 83 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 2022: $280.4M
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 2022

Shares, value and share of portfolio for each institution holding Marinus Pharmaceuticals, Inc.; share changes are against Q4 2021.

Institutions holding MRNS in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Lion Point Capital, LP3,629,622$33.9M11.46%00.0%Unchanged
VR Adviser, LLC3,156,803$29.5M4.78%+276,707+9.6%Added
Avoro Capital Advisors LLC3,150,000$29.5M0.54%−85,000−2.6%Reduced
Suvretta Capital Management, LLC2,766,000$25.9M0.79%+127,225+4.8%Added
BlackRock Inc.2,626,028$24.6M0.00%−390,861−13.0%Reduced
683 Capital Management, LLC1,932,829$18.1M1.07%00.0%Unchanged
Vanguard Group Inc1,696,675$15.9M0.00%+2,557+0.2%Added
Bain Capital Life Sciences Investors, LLC1,431,058$13.4M1.30%00.0%Unchanged
Bleichroeder LP1,322,463$12.4M2.19%+259,963+24.5%Added
Adage Capital Partners GP, L.L.C.1,262,500$11.8M0.02%00.0%Unchanged
Artal Group S.A.1,000,000$9.35M0.40%00.0%Unchanged
State Street Corp660,519$6.18M0.00%−27,753−4.0%Reduced
Geode Capital Management, LLC639,216$5.98M0.00%+46,119+7.8%Added
Jefferies Group LLC494,764$4.63M0.11%+55,000+12.5%Added
Granite Point Capital Management, L.P.472,056$4.41M2.24%+52,732+12.6%Added
Bank of Montreal351,700$3.63M0.00%−14,600−4.0%Reduced
Franklin Resources Inc357,200$3.34M0.00%00.0%Unchanged
Northern Trust Corp318,577$2.98M0.00%−16,333−4.9%Reduced
FMR LLC313,282$2.93M0.00%−97,883−23.8%Reduced
JPMorgan Chase & Co292,860$2.74M0.00%−5,261−1.8%Reduced
Rubric Capital Management LP243,474$2.28M0.11%+243,474New
Antara Capital LP190,208$1.78M0.14%+190,208New
Goldman Sachs Group Inc156,949$1.47M0.00%+5,380+3.5%Added
Bank of New York Mellon Corp120,205$1.12M0.00%−331−0.3%Reduced
Victory Capital Management Inc113,779$1.06M0.00%+15,930+16.3%Added
Nuveen Asset Management, LLC111,914$1.05M0.00%+1,363+1.2%Added
Charles Schwab Investment Management Inc95,047$889.0K0.00%+2,281+2.5%Added
Dimensional Fund Advisors LP88,385$826.0K0.00%00.0%Unchanged
Wellington Management Group LLP87,692$820.0K0.00%+892+1.0%Added
Gsa Capital Partners LLP65,529$613.0K0.08%−55,842−46.0%Reduced
Stonepine Capital Management, LLC56,747$531.0K0.22%+56,747New
Rhumbline Advisers37,114$347.0K0.00%+1,257+3.5%Added
Trexquant Investment LP35,738$334.0K0.02%+35,738New
Maven Securities LTD35,000$327.0K0.07%+10,000+40.0%Added
UBS Group AG33,937$317.0K0.00%−16,277−32.4%Reduced
Renaissance Technologies LLC33,900$317.0K0.00%+33,900New
Grimes & Company, Inc.32,765$306.0K0.02%+7,085+27.6%Added
Susquehanna International Group, LLP31,598$295.0K0.00%−42,086−57.1%Reduced
Palo Alto Investors LP31,330$293.0K0.02%00.0%Unchanged
Citadel Advisors LLC27,850$261.0K0.00%−196,490−87.6%Reduced
Group One Trading, L.P.23,977$224.0K0.00%−8,500−26.2%Reduced
Virtu Financial LLC23,650$221.0K0.02%+23,650New
New York State Common Retirement Fund23,562$220.0K0.00%+30.0%Added
Two Sigma Investments, LP22,916$214.0K0.00%+22,916New
Morgan Stanley22,041$207.0K0.00%−16,117−42.2%Reduced
Deutsche Bank AG20,984$196.0K0.00%−2,378−10.2%Reduced
Walleye Trading LLC20,587$192.0K0.00%+20,587New
MetLife Investment Management20,363$190.4K0.00%+7,928+63.8%Added
Alliancebernstein L.P.20,024$187.0K0.00%00.0%Unchanged
Bank of America Corp19,982$186.0K0.00%−2,952−12.9%Reduced
American International Group, Inc.18,337$171.0K0.00%−1,291−6.6%Reduced
Manufacturers Life Insurance Company, The16,115$150.7K0.00%−4,451−21.6%Reduced
Nisa Investment Advisors, LLC16,000$150.0K0.00%+16,000New
State Board of Administration of Florida Retirement System15,864$148.0K0.00%00.0%Unchanged
California State Teachers Retirement System15,775$147.0K0.00%−4,137−20.8%Reduced
Virtus ETF Advisers LLC15,039$141.0K0.06%−893−5.6%Reduced
Caption Management, LLC15,000$140.0K0.01%+15,000New
Voya Investment Management LLC14,703$137.0K0.00%00.0%Unchanged
Invesco Ltd.13,754$129.0K0.00%+391+2.9%Added
Jane Street Group, LLC12,462$117.0K0.00%+12,462New
Price T Rowe Associates Inc11,183$105.0K0.00%+11,183New
ProShare Advisors LLC10,743$100.0K0.00%−2,502−18.9%Reduced
Barclays PLC5,996$56.0K0.00%+5,996New
Amalgamated Bank6,013$56.0K0.00%+6,013New
Amalgamated Financial Corp.6,013$56.0K0.00%+6,013New
Wells Fargo & Company4,868$46.0K0.00%−13,191−73.0%Reduced
Tower Research Capital LLC (TRC)4,413$41.0K0.00%+3,459+362.6%Added
Quantbot Technologies LP4,300$40.0K0.00%+4,300New
Legal & General Group Plc3,990$37.0K0.00%+120+3.1%Added
Citigroup Inc2,980$28.0K0.00%−8,260−73.5%Reduced
Ameritas Investment Partners, Inc.2,896$27.0K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)2,609$24.0K0.00%+2,609New
Cutler Group LP2,608$24.0K0.00%+2,608New
Metropolitan Life Insurance Co2,539$23.7K0.00%−3,581−58.5%Reduced
Ci Investments Inc.2,500$23.0K0.00%00.0%Unchanged
Royal Bank of Canada2,316$21.0K0.00%−5,584−70.7%Reduced
State of Wyoming611$6.00K0.00%+6+1.0%Added
Advisor Group Holdings, Inc.537$4.00K0.00%+50+10.3%Added
Ancora Advisors, LLC400$4.00K0.00%00.0%Unchanged
Carolinas Wealth Consulting LLC423$4.00K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.250$2.00K0.00%00.0%Unchanged
Daiwa Securities Group Inc.58$1.00K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC37$00.00%00.0%Unchanged
Sofinnova Investments, Inc.0$00.00%−171,338−100.0%Sold out
Logos Global Management LP0$00.00%−130,000−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−84,402−100.0%Sold out
SG Americas Securities, LLC0$00.00%−59,972−100.0%Sold out
Knott David M Jr0$00.00%−46,697−100.0%Sold out
Gyon Technologies Capital Management, LP0$00.00%−20,251−100.0%Sold out
Los Angeles Capital Management LLC0$00.00%−12,598−100.0%Sold out
Walleye Capital LLC0$00.00%−10,554−100.0%Sold out
Vectors Research Management, LLC0$00.00%−2,000−100.0%Sold out
Credit Suisse AG0$00.00%−655−100.0%Sold out