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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 2024

Institutional positions in Marinus Pharmaceuticals, Inc. as of Mar 31, 2024. 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
112
+8 vs. Q4 2023
Shares held
53.8M
−18.6K (0.0%) vs. Q4 2023
Total value
$486.5M
−$98.6M (−16.9%) vs. Q4 2023
New holders
21
38 more added
Sold out
13
36 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 112 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 2024: $486.5M
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 2024

Shares, value and share of portfolio for each institution holding Marinus Pharmaceuticals, Inc.; share changes are against Q4 2023.

Institutions holding MRNS in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Suvretta Capital Management, LLC5,108,520$46.2M1.95%−237,599−4.4%Reduced
BlackRock Inc.4,720,561$42.7M0.00%+121,283+2.6%Added
Avoro Capital Advisors LLC4,140,607$37.4M0.44%+990,607+31.4%Added
Franklin Resources Inc3,493,253$31.6M0.01%−340,702−8.9%Reduced
Cormorant Asset Management, LP3,250,000$29.4M1.29%00.0%Unchanged
Jennison Associates LLC2,965,883$26.8M0.02%+6,722+0.2%Added
Vanguard Group Inc2,805,920$25.4M0.00%+132,689+5.0%Added
Eventide Asset Management, LLC2,346,526$21.2M0.33%−2,183,471−48.2%Reduced
Adage Capital Partners GP, L.L.C.2,331,250$21.1M0.04%−250,000−9.7%Reduced
Lion Point Capital, LP2,119,136$19.2M36.63%−15,201−0.7%Reduced
Bleichroeder LP1,872,463$16.9M4.22%00.0%Unchanged
GMT Capital Corp1,629,364$14.7M0.58%−93,331−5.4%Reduced
Sofinnova Investments, Inc.1,401,053$12.7M0.75%−371,646−21.0%Reduced
Bain Capital Life Sciences Investors, LLC1,393,380$12.6M1.01%−37,678−2.6%Reduced
Citadel Advisors LLC1,243,840$11.2M0.01%+647,444+108.6%Added
Geode Capital Management, LLC1,214,766$11.0M0.00%+75,272+6.6%Added
Woodline Partners LP1,186,781$10.7M0.10%+386,781+48.3%Added
State Street Corp1,181,744$10.7M0.00%+175,837+17.5%Added
Balyasny Asset Management LLC849,447$7.68M0.02%+849,447New
Superstring Capital Management LP565,550$5.11M3.38%+103,106+22.3%Added
Standard Life Aberdeen plc552,572$5.00M0.01%00.0%Unchanged
Ikarian Capital, LLC537,925$4.86M1.32%−208,144−27.9%Reduced
Point72 Asset Management, L.P.491,617$4.44M0.01%−1,783−0.4%Reduced
Northern Trust Corp469,598$4.25M0.00%+10,513+2.3%Added
Morgan Stanley408,063$3.69M0.00%−175,732−30.1%Reduced
Ally Bridge Group (NY) LLC394,773$3.57M1.98%+394,773New
Prudential Financial Inc390,430$3.53M0.00%+39,600+11.3%Added
Wellington Management Group LLP294,981$2.67M0.00%+53,682+22.2%Added
Schroder Investment Management Group290,000$2.62M0.00%00.0%Unchanged
Ghost Tree Capital, LLC285,000$2.58M0.83%+150,000+111.1%Added
Assenagon Asset Management S.A.271,157$2.45M0.01%00.0%Unchanged
Walleye Capital LLC185,424$1.68M0.02%−67,077−26.6%Reduced
Propel Bio Management, LLC180,100$1.63M0.95%00.0%Unchanged
Altium Capital Management LP176,840$1.60M0.71%−23,160−11.6%Reduced
Jane Street Group, LLC167,934$1.52M0.00%+69,895+71.3%Added
Exome Asset Management LLC163,100$1.47M1.26%+163,100New
Bank of New York Mellon Corp160,161$1.45M0.00%−9,391−5.5%Reduced
Charles Schwab Investment Management Inc154,667$1.40M0.00%+5,241+3.5%Added
Simplify Asset Management Inc.150,000$1.36M0.13%00.0%Unchanged
Boothbay Fund Management, LLC141,213$1.28M0.04%−20,459−12.7%Reduced
Nuveen Asset Management, LLC139,752$1.26M0.00%00.0%Unchanged
Goldman Sachs Group Inc136,317$1.23M0.00%+63,698+87.7%Added
UBS Group AG123,852$1.12M0.00%+40,782+49.1%Added
Trexquant Investment LP107,533$972.1K0.02%+56,682+111.5%Added
Susquehanna International Group, LLP103,890$939.2K0.00%−40,014−27.8%Reduced
Simplex Trading, LLC92,271$834.0K0.02%+92,271New
Bank of America Corp90,674$819.7K0.00%+44,951+98.3%Added
Rhumbline Advisers77,098$697.0K0.00%+1,311+1.7%Added
Barclays PLC75,829$685.5K0.00%−543−0.7%Reduced
Caption Management, LLC74,108$669.9K0.07%+74,108New
Hussman Strategic Advisors, Inc.73,500$664.4K0.15%+73,500New
Qube Research & Technologies Ltd70,772$639.8K0.00%−22,064−23.8%Reduced
Campbell & CO Investment Adviser LLC69,514$628.4K0.05%−35,869−34.0%Reduced
Sherbrooke Park Advisers LLC64,721$585.1K0.11%+64,721New
Victory Capital Management Inc61,220$553.4K0.00%−22,050−26.5%Reduced
Jefferies Financial Group Inc.53,186$480.8K0.01%−112,915−68.0%Reduced
Two Sigma Investments, LP42,834$387.2K0.00%+1,629+4.0%Added
Two Sigma Advisers, LP42,725$386.2K0.00%+42,725New
Jacobs Levy Equity Management, Inc42,449$383.7K0.00%+42,449New
Alliancebernstein L.P.41,300$373.4K0.00%+2,030+5.2%Added
Prelude Capital Management, LLC37,600$339.9K0.02%+37,600New
JPMorgan Chase & Co33,634$304.1K0.00%−10,399−23.6%Reduced
Grimes & Company, Inc.33,549$303.3K0.01%−751−2.2%Reduced
Price T Rowe Associates Inc30,929$280.0K0.00%+2,624+9.3%Added
American International Group, Inc.26,982$243.9K0.00%+1,776+7.0%Added
MetLife Investment Management26,356$238.3K0.00%00.0%Unchanged
Deutsche Bank AG25,898$234.1K0.00%+685+2.7%Added
Y-Intercept (Hong Kong) Ltd25,760$232.9K0.02%+25,760New
Invesco Ltd.23,708$214.3K0.00%+554+2.4%Added
Graham Capital Management, L.P.20,564$185.9K0.01%+20,564New
Manufacturers Life Insurance Company, The20,119$181.9K0.00%+84+0.4%Added
AQR Capital Management LLC18,399$166.3K0.00%−4,625−20.1%Reduced
New York State Common Retirement Fund17,105$154.6K0.00%−15−0.1%Reduced
Voya Investment Management LLC17,045$154.1K0.00%−3,603−17.4%Reduced
Wells Fargo & Company16,374$148.0K0.00%+2,430+17.4%Added
Citigroup Inc13,712$124.0K0.00%+5,525+67.5%Added
ProShare Advisors LLC13,662$123.5K0.00%+1,782+15.0%Added
Denali Advisors LLC13,600$122.9K0.04%00.0%Unchanged
Ameriprise Financial Inc12,781$115.5K0.00%+12,781New
Parallax Volatility Advisers, L.P.12,700$114.8K0.00%+12,700New
Wolverine Trading, LLC11,165$100.9K0.00%+11,165New
Fox Run Management, L.L.C.10,663$96.4K0.02%+10,663New
China Universal Asset Management Co., Ltd.10,458$94.5K0.01%+4,151+65.8%Added
Values First Advisors, Inc.10,414$94.1K0.06%−3,783−26.6%Reduced
HSBC Holdings PLC10,163$91.9K0.00%+10,163New
Belvedere Trading LLC7,823$70.7K0.01%−14,474−64.9%Reduced
Advisor Group Holdings, Inc.6,051$54.7K0.00%+250+4.3%Added
EntryPoint Capital, LLC5,574$50.4K0.05%+5,574New
Legal & General Group Plc5,521$49.9K0.00%−44−0.8%Reduced
California State Teachers Retirement System5,506$49.8K0.00%−2,841−34.0%Reduced
Ameritas Investment Partners, Inc.5,249$47.5K0.00%00.0%Unchanged
FMR LLC2,923$26.4K0.00%+479+19.6%Added
Group One Trading, L.P.2,765$25.0K0.00%+2,765New
Metropolitan Life Insurance Co2,731$24.7K0.00%00.0%Unchanged
Royal Bank of Canada2,288$21.0K0.00%−13,076−85.1%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)1,754$15.9K0.00%−834−32.2%Reduced
Amalgamated Bank1,680$15.0K0.00%−5,374−76.2%Reduced
Tower Research Capital LLC (TRC)358$3.24K0.00%−13,904−97.5%Reduced
Macroview Investment Management LLC351$3.17K0.00%−679−65.9%Reduced
Allworth Financial LP317$2.87K0.00%+52+19.6%Added