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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 2023

Institutional positions in Marinus Pharmaceuticals, Inc. as of Dec 31, 2023. 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
105
+2 vs. Q3 2023
Shares held
53.8M
+3.07M (+6.0%) vs. Q3 2023
Total value
$585.2M
+$176.4M (+43.2%) vs. Q3 2023
New holders
21
35 more added
Sold out
19
33 more reduced

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 2023: 105 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 2023: $585.2M
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 2023

Shares, value and share of portfolio for each institution holding Marinus Pharmaceuticals, Inc.; share changes are against Q3 2023.

Institutions holding MRNS in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Suvretta Capital Management, LLC5,346,119$58.1M2.66%+141,177+2.7%Added
BlackRock Inc.4,599,278$50.0M0.00%+453,635+10.9%Added
Eventide Asset Management, LLC4,529,997$49.2M0.80%00.0%Unchanged
Franklin Resources Inc3,833,955$41.7M0.02%+49,589+1.3%Added
Cormorant Asset Management, LP3,250,000$35.3M1.69%+625,000+23.8%Added
Avoro Capital Advisors LLC3,150,000$34.2M0.47%00.0%Unchanged
Jennison Associates LLC2,959,161$32.2M0.02%+3,818+0.1%Added
Vanguard Group Inc2,673,231$29.1M0.00%+95,756+3.7%Added
Adage Capital Partners GP, L.L.C.2,581,250$28.1M0.06%−323,226−11.1%Reduced
Lion Point Capital, LP2,134,337$23.2M20.72%−11,000−0.5%Reduced
Bleichroeder LP1,872,463$20.4M4.52%00.0%Unchanged
Sofinnova Investments, Inc.1,772,699$19.3M1.08%+787,093+79.9%Added
GMT Capital Corp1,722,695$18.7M0.71%00.0%Unchanged
Bain Capital Life Sciences Investors, LLC1,431,058$15.6M1.49%00.0%Unchanged
Geode Capital Management, LLC1,139,494$12.4M0.00%+94,546+9.0%Added
State Street Corp1,005,907$10.9M0.00%+10,352+1.0%Added
Woodline Partners LP800,000$8.70M0.09%+168,480+26.7%Added
Ikarian Capital, LLC746,069$8.11M2.22%00.0%Unchanged
Citadel Advisors LLC596,396$6.48M0.01%+118,387+24.8%Added
Morgan Stanley583,795$6.35M0.00%+536,648+1,138.2%Added
Opaleye Management Inc.563,500$6.13M1.64%−20,500−3.5%Reduced
Standard Life Aberdeen plc552,572$6.01M0.01%+552,572New
Point72 Asset Management, L.P.493,400$5.36M0.02%−571,637−53.7%Reduced
Superstring Capital Management LP462,444$5.03M3.59%+462,444New
Northern Trust Corp459,085$4.99M0.00%+28,858+6.7%Added
Prudential Financial Inc350,830$3.81M0.01%+79,550+29.3%Added
Schroder Investment Management Group290,000$3.15M0.00%+290,000New
Assenagon Asset Management S.A.271,157$2.95M0.01%−240,036−47.0%Reduced
Walleye Capital LLC252,501$2.74M0.04%−88,099−25.9%Reduced
Wellington Management Group LLP241,299$2.62M0.00%+85,455+54.8%Added
Altium Capital Management LP200,000$2.17M1.50%+74,967+60.0%Added
Propel Bio Management, LLC180,100$1.96M1.62%+180,100New
Bank of New York Mellon Corp169,552$1.84M0.00%+6,148+3.8%Added
Jefferies Financial Group Inc.166,101$1.81M0.03%−88,633−34.8%Reduced
Boothbay Fund Management, LLC161,672$1.76M0.07%−292,200−64.4%Reduced
Simplify Asset Management Inc.150,000$1.63M0.25%00.0%Unchanged
Charles Schwab Investment Management Inc149,426$1.62M0.00%+10,497+7.6%Added
Susquehanna International Group, LLP143,904$1.56M0.00%+10,814+8.1%Added
Nuveen Asset Management, LLC139,752$1.52M0.00%+1,475+1.1%Added
Ghost Tree Capital, LLC135,000$1.47M0.84%+135,000New
Campbell & CO Investment Adviser LLC105,383$1.15M0.10%+105,383New
Jane Street Group, LLC98,039$1.07M0.00%−40,828−29.4%Reduced
Qube Research & Technologies Ltd92,836$1.01M0.00%+92,836New
Victory Capital Management Inc83,270$905.1K0.00%−11,280−11.9%Reduced
UBS Group AG83,070$903.0K0.00%+26,926+48.0%Added
Barclays PLC76,372$830.2K0.00%+67,360+747.4%Added
Rhumbline Advisers75,787$823.8K0.00%+5,082+7.2%Added
Goldman Sachs Group Inc72,619$789.4K0.00%−43,582−37.5%Reduced
Trexquant Investment LP50,851$552.8K0.01%+50,851New
Alpha DNA Investment Management LLC49,664$539.8K0.32%−27,419−35.6%Reduced
Bank of America Corp45,723$497.0K0.00%−7,125−13.5%Reduced
JPMorgan Chase & Co44,033$478.6K0.00%+82+0.2%Added
Mach-1 Financial Group, Inc.43,828$476.4K0.18%−24,375−35.7%Reduced
Two Sigma Investments, LP41,205$447.9K0.00%−12,900−23.8%Reduced
AE Wealth Management LLC43,302$433.9K0.00%−25,928−37.5%Reduced
Alliancebernstein L.P.39,270$426.9K0.00%+4,580+13.2%Added
Grimes & Company, Inc.34,300$372.8K0.01%−561−1.6%Reduced
Dimensional Fund Advisors LP29,201$317.4K0.00%−2,888−9.0%Reduced
Price T Rowe Associates Inc28,305$308.0K0.00%+936+3.4%Added
MetLife Investment Management26,356$286.5K0.00%00.0%Unchanged
Millennium Management LLC25,663$279.0K0.00%+25,663New
Mirae Asset Global Investments Co., Ltd.25,444$276.6K0.00%+174+0.7%Added
Deutsche Bank AG25,213$274.1K0.00%−748−2.9%Reduced
American International Group, Inc.25,206$274.0K0.00%−101−0.4%Reduced
Invesco Ltd.23,154$251.7K0.00%−20,788−47.3%Reduced
AQR Capital Management LLC23,024$250.3K0.00%+23,024New
Belvedere Trading LLC22,297$242.4K0.02%−10,414−31.8%Reduced
Voya Investment Management LLC20,648$224.4K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The20,035$217.8K0.00%00.0%Unchanged
New York State Common Retirement Fund17,120$186.1K0.00%−2,926−14.6%Reduced
Royal Bank of Canada15,364$167.0K0.00%+8,507+124.1%Added
State Board of Administration of Florida Retirement System14,470$157.3K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)14,262$155.0K0.00%+6,721+89.1%Added
Values First Advisors, Inc.14,197$154.3K0.09%+736+5.5%Added
Wells Fargo & Company13,944$151.6K0.00%+3,273+30.7%Added
Denali Advisors LLC13,600$147.8K0.05%−13,000−48.9%Reduced
SG Americas Securities, LLC12,289$134.0K0.00%+12,289New
ProShare Advisors LLC11,880$129.1K0.00%+11,880New
Corton Capital Inc.10,999$119.6K0.04%+10,999New
California State Teachers Retirement System8,347$90.7K0.00%−2,842−25.4%Reduced
Citigroup Inc8,187$89.0K0.00%+7,532+1,149.9%Added
Amalgamated Bank7,054$77.0K0.00%−500−6.6%Reduced
China Universal Asset Management Co., Ltd.6,307$68.6K0.01%+5,003+383.7%Added
Advisor Group Holdings, Inc.5,801$63.1K0.00%−238−3.9%Reduced
Legal & General Group Plc5,565$60.5K0.00%−159−2.8%Reduced
Ameritas Investment Partners, Inc.5,249$57.1K0.00%+1,135+27.6%Added
Coppell Advisory Solutions LLC4,984$54.2K0.01%+4,984New
Walleye Trading LLC4,227$45.9K0.00%−15,456−78.5%Reduced
Metropolitan Life Insurance Co2,731$29.7K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)2,588$28.1K0.00%−326−11.2%Reduced
FMR LLC2,444$26.6K0.00%−2,097−46.2%Reduced
Macroview Investment Management LLC1,030$11.2K0.01%−257−20.0%Reduced
Signaturefd, LLC342$3.72K0.00%+155+82.9%Added
Allworth Financial LP265$2.88K0.00%+265New
Lindbrook Capital, LLC242$2.63K0.00%00.0%Unchanged
Fifth Third Bancorp115$1.25K0.00%00.0%Unchanged
Daiwa Securities Group Inc.58$1.00K0.00%00.0%Unchanged
Advisory Services Network, LLC76$8260.00%+76New
SOA Wealth Advisors, LLC.40$4350.00%+40New
Harbor Investment Advisory, LLC37$4020.00%00.0%Unchanged