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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 2024

Institutional positions in Marinus Pharmaceuticals, Inc. as of Dec 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

MRNS is no longer listed, so this page shows Q4 2024. 13F filings for later quarters list far fewer holders.

Institutional holders
53
−22 vs. Q3 2024
Shares held
29.6M
−11.8M (−28.6%) vs. Q3 2024
Total value
$15.8M
−$57.1M (−78.3%) vs. Q3 2024
New holders
9
13 more added
Sold out
31
22 more reduced

Compare with Q3 2024: 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 2024: 53 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 2024: $15.8M
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 2024

Shares, value and share of portfolio for each institution holding Marinus Pharmaceuticals, Inc.; share changes are against Q3 2024.

Institutions holding MRNS in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Beryl Capital Management LLC4,227,460$2.26M0.51%+4,227,460New
Morgan Stanley3,299,229$1.77M0.00%+3,134,161+1,898.7%Added
Oddo BHF Asset Management SAS2,700,000$1.44M0.07%+2,700,000New
Bain Capital Life Sciences Investors, LLC2,693,380$1.44M0.17%00.0%Unchanged
Standard Life Aberdeen plc2,658,527$1.42M0.00%00.0%Unchanged
Vanguard Group Inc2,596,768$1.39M0.00%−206,197−7.4%Reduced
Woodline Partners LP2,335,681$1.25M0.01%+1,071,410+84.7%Added
Gsa Capital Partners LLP1,837,491$983.0K0.07%+820,857+80.7%Added
Tang Capital Management LLC1,641,945$878.6K0.06%−3,058,055−65.1%Reduced
BlackRock, Inc.883,675$472.9K0.00%−975,534−52.5%Reduced
Acadian Asset Management LLC696,740$371.0K0.00%−213,601−23.5%Reduced
Geode Capital Management, LLC529,053$283.2K0.00%−39,464−6.9%Reduced
Citadel Advisors LLC501,911$268.6K0.00%+261,506+108.8%Added
JPMorgan Chase & Co487,584$260.9K0.00%+354,393+266.1%Added
Schroder Investment Management Group290,000$152.6K0.00%00.0%Unchanged
UBS Group AG258,944$138.5K0.00%+256,686+11,367.8%Added
Royal Bank of Canada249,138$134.0K0.00%+187,381+303.4%Added
Millennium Management LLC239,414$128.1K0.00%−243,093−50.4%Reduced
State Street Corp222,576$119.1K0.00%+16,100+7.8%Added
XTX Topco Ltd219,819$117.6K0.01%+206,614+1,564.7%Added
Deltec Asset Management LLC200,000$107.0K0.02%+200,000New
Northern Trust Corp113,280$60.6K0.00%−4,582−3.9%Reduced
Susquehanna International Group, LLP100,853$54.0K0.00%+26,974+36.5%Added
Gabelli & Co Investment Advisers, Inc.100,000$53.5K0.01%+100,000New
Virtu Financial LLC66,717$36.0K0.00%+66,717New
Assenagon Asset Management S.A.57,128$30.6K0.00%−387,057−87.1%Reduced
Goldman Sachs Group Inc52,328$28.0K0.00%+12,251+30.6%Added
Price T Rowe Associates Inc44,200$24.0K0.00%00.0%Unchanged
Harvest Investment Services, LLC41,144$22.0K0.01%+41,144New
HRT Financial LP30,943$16.0K0.00%+30,943New
Tower Research Capital LLC (TRC)23,199$12.4K0.00%+9,434+68.5%Added
Two Sigma Investments, LP22,868$12.2K0.00%−24,797−52.0%Reduced
Point72 Asia (Singapore) Pte. Ltd.20,779$11.1K0.00%+1,501+7.8%Added
Jacobs Levy Equity Management, Inc20,356$10.9K0.00%−393,913−95.1%Reduced
Engineers Gate Manager LP16,023$8.57K0.00%−13,459−45.7%Reduced
Commonwealth Equity Services, LLC12,518$7.00K0.00%−100−0.8%Reduced
Qube Research & Technologies Ltd12,897$6.90K0.00%−20,742−61.7%Reduced
Perfromance Wealth Partners, LLC11,000$5.89K0.00%00.0%Unchanged
Simplex Trading, LLC9,526$5.00K0.00%−44,111−82.2%Reduced
Group One Trading, L.P.6,310$3.38K0.00%−5,384−46.0%Reduced
Advisor Group Holdings, Inc.6,001$3.24K0.00%−5,000−45.5%Reduced
Federated Hermes, Inc.2,286$1.22K0.00%−1,454−38.9%Reduced
Wells Fargo & Company1,800$9630.00%00.0%Unchanged
Bank of America Corp1,653$8850.00%−271,957−99.4%Reduced
BNP Paribas Arbitrage, SA1,322$7070.00%+1,322New
1620 Investment Advisors, Inc.1,000$5350.00%00.0%Unchanged
Citigroup Inc932$4990.00%−374−28.6%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)275$1470.00%−1,381−83.4%Reduced
Fifth Third Bancorp115$620.00%00.0%Unchanged
Barclays PLC54$290.00%−248−82.1%Reduced
SBI Securities Co., Ltd.50$270.00%+50New
Point72 (DIFC) Ltd21$110.00%−7−25.0%Reduced
Coppell Advisory Solutions LLC3,092––00.0%Unchanged
Suvretta Capital Management, LLC0$00.00%−5,073,913−100.0%Sold out
Franklin Resources Inc0$00.00%−4,713,014−100.0%Sold out
Sofinnova Investments, Inc.0$00.00%−4,386,177−100.0%Sold out
Bleichroeder LP0$00.00%−1,872,463−100.0%Sold out
Ikarian Capital, LLC0$00.00%−706,154−100.0%Sold out
Lion Point Capital, LP0$00.00%−693,778−100.0%Sold out
Renaissance Technologies LLC0$00.00%−501,931−100.0%Sold out
Prudential Financial Inc0$00.00%−385,250−100.0%Sold out
Bank of Montreal0$00.00%−429,600−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−185,996−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−178,801−100.0%Sold out
Squarepoint Ops LLC0$00.00%−74,223−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−67,698−100.0%Sold out
Values First Advisors, Inc.0$00.00%−67,004−100.0%Sold out
Pensionmark Financial Group, LLC0$00.00%−59,320−100.0%Sold out
Bridgeway Capital Management, LLC0$00.00%−50,000−100.0%Sold out
Jane Street Group, LLC0$00.00%−45,549−100.0%Sold out
Grimes & Company, Inc.0$00.00%−33,609−100.0%Sold out
Algert Global LLC0$00.00%−29,370−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−19,725−100.0%Sold out
Atria Investments LLC0$00.00%−13,310−100.0%Sold out
Catalyst Funds Management Pty Ltd0$00.00%−10,800−100.0%Sold out
China Universal Asset Management Co., Ltd.0$00.00%−10,594−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−10,006−100.0%Sold out
FMR LLC0$00.00%−6,751−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−2,572−100.0%Sold out
Mirae Asset Global Investments Co., Ltd.0$00.00%−1,992−100.0%Sold out
Principal Securities, Inc.0$00.00%−457−100.0%Sold out
Macroview Investment Management LLC0$00.00%−351−100.0%Sold out
Farther Finance Advisors, LLC0$00.00%−82−100.0%Sold out
Daiwa Securities Group Inc.0$00.00%−202−100.0%Sold out