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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 2024

Institutional positions in Marinus Pharmaceuticals, Inc. as of Jun 30, 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
90
−22 vs. Q1 2024
Shares held
43.3M
−10.5M (−19.6%) vs. Q1 2024
Total value
$50.6M
−$435.9M (−89.6%) vs. Q1 2024
New holders
32
24 more added
Sold out
54
28 more reduced

Compare with Q1 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 holdersQ2 2024: 90 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 2024: $50.6M
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 2024

Shares, value and share of portfolio for each institution holding Marinus Pharmaceuticals, Inc.; share changes are against Q1 2024.

Institutions holding MRNS in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Tang Capital Management LLC4,800,000$5.62M0.57%+4,800,000New
Sofinnova Investments, Inc.4,151,576$4.86M0.31%+2,750,523+196.3%Added
Woodline Partners LP3,979,605$4.66M0.04%+2,792,824+235.3%Added
Suvretta Capital Management, LLC3,820,012$4.47M0.18%−1,288,508−25.2%Reduced
Franklin Resources Inc3,493,143$4.09M0.00%−1100.0%Reduced
Vanguard Group Inc2,802,965$3.28M0.00%−2,955−0.1%Reduced
Bain Capital Life Sciences Investors, LLC2,267,680$2.65M0.29%+874,300+62.7%Added
Lion Point Capital, LP2,114,827$2.47M7.75%−4,309−0.2%Reduced
Bleichroeder LP1,872,463$2.19M0.65%00.0%Unchanged
BlackRock Inc.1,869,949$2.19M0.00%−2,850,612−60.4%Reduced
Jennison Associates LLC1,469,285$1.72M0.00%−1,496,598−50.5%Reduced
Standard Life Aberdeen plc1,080,198$1.26M0.00%+527,626+95.5%Added
Millennium Management LLC718,580$840.7K0.00%+718,580New
Ikarian Capital, LLC706,154$826.2K0.26%+168,229+31.3%Added
Acadian Asset Management LLC695,972$813.0K0.00%+695,972New
Renaissance Technologies LLC621,625$727.3K0.00%+621,625New
Geode Capital Management, LLC617,395$722.6K0.00%−597,371−49.2%Reduced
Goldman Sachs Group Inc582,097$681.1K0.00%+445,780+327.0%Added
Susquehanna International Group, LLP501,797$587.1K0.00%+397,907+383.0%Added
Northern Trust Corp403,711$472.3K0.00%−65,887−14.0%Reduced
Prudential Financial Inc385,250$450.7K0.00%−5,180−1.3%Reduced
Jacobs Levy Equity Management, Inc297,014$347.5K0.00%+254,565+599.7%Added
Schroder Investment Management Group290,000$339.3K0.00%00.0%Unchanged
Superstring Capital Management LP261,861$306.4K0.39%−303,689−53.7%Reduced
Assenagon Asset Management S.A.260,789$305.1K0.00%−10,368−3.8%Reduced
Qube Research & Technologies Ltd240,734$281.7K0.00%+169,962+240.2%Added
State Street Corp206,476$241.6K0.00%−975,268−82.5%Reduced
Jane Street Group, LLC204,185$238.9K0.00%+36,251+21.6%Added
Gsa Capital Partners LLP199,584$234.0K0.02%+199,584New
XTX Topco Ltd197,940$231.6K0.02%+197,940New
Boothbay Fund Management, LLC185,996$217.6K0.01%+44,783+31.7%Added
Morgan Stanley179,812$210.4K0.00%−228,251−55.9%Reduced
Squarepoint Ops LLC175,735$205.6K0.00%+175,735New
Graham Capital Management, L.P.146,215$171.1K0.01%+125,651+611.0%Added
Alpine Global Management, LLC134,646$157.5K0.03%+134,646New
Y-Intercept (Hong Kong) Ltd106,942$125.1K0.01%+81,182+315.1%Added
Centiva Capital, LP92,933$108.7K0.01%+92,933New
Hussman Strategic Advisors, Inc.84,000$98.3K0.03%+10,500+14.3%Added
Bank of America Corp75,350$88.2K0.00%−15,324−16.9%Reduced
Simplex Trading, LLC65,041$76.0K0.00%−27,230−29.5%Reduced
Values First Advisors, Inc.62,671$73.3K0.04%+52,257+501.8%Added
Paloma Partners Management Co62,400$73.0K0.01%+62,400New
Citigroup Inc56,568$66.2K0.00%+42,856+312.5%Added
Point72 Asia (Singapore) Pte. Ltd.54,878$64.2K0.01%+54,878New
Price T Rowe Associates Inc44,200$52.0K0.00%+13,271+42.9%Added
Two Sigma Advisers, LP42,625$49.9K0.00%−100−0.2%Reduced
Jefferies Financial Group Inc.41,686$48.8K0.00%−11,500−21.6%Reduced
Prospera Financial Services Inc41,144$48.1K0.00%+41,144New
Barclays PLC36,399$42.6K0.00%−39,430−52.0%Reduced
HRT Financial LP36,716$42.0K0.00%+36,716New
Grimes & Company, Inc.33,609$39.3K0.00%+60+0.2%Added
AQR Capital Management LLC31,333$36.7K0.00%+12,934+70.3%Added
Schonfeld Strategic Advisors LLC30,100$35.2K0.00%+30,100New
SG Americas Securities, LLC29,178$34.0K0.00%+29,178New
Rhumbline Advisers28,709$33.6K0.00%−48,389−62.8%Reduced
Mirae Asset Global ETFs Holdings Ltd.27,659$32.4K0.00%+27,659New
Point72 (DIFC) Ltd23,698$27.7K0.00%+23,698New
Engineers Gate Manager LP21,028$24.6K0.00%+21,028New
Verition Fund Management LLC20,522$24.0K0.00%+20,522New
Tower Research Capital LLC (TRC)19,517$22.8K0.00%+19,159+5,351.7%Added
Ground Swell Capital, LLC19,316$22.6K0.02%+19,316New
UBS Group AG19,045$22.3K0.00%−104,807−84.6%Reduced
Advisor Group Holdings, Inc.15,801$18.5K0.00%+9,750+161.1%Added
Jump Financial, LLC13,334$15.6K0.00%+13,334New
Commonwealth Equity Services, LLC11,633$14.0K0.00%+11,633New
Catalyst Funds Management Pty Ltd10,800$12.6K0.00%+10,800New
ProShare Advisors LLC10,724$12.5K0.00%−2,938−21.5%Reduced
FMR LLC10,704$12.5K0.00%+7,781+266.2%Added
Group One Trading, L.P.7,603$8.90K0.00%+4,838+175.0%Added
China Universal Asset Management Co., Ltd.6,455$7.55K0.00%−4,003−38.3%Reduced
JPMorgan Chase & Co6,439$7.53K0.00%−27,195−80.9%Reduced
Federated Hermes, Inc.5,826$6.82K0.00%+5,826New
Russell Investments Group, Ltd.4,487$5.25K0.00%+4,487New
Citadel Advisors LLC3,565$4.17K0.00%−1,240,275−99.7%Reduced
Macquarie Group Ltd2,749$3.22K0.00%+2,749New
Mirae Asset Global Investments Co., Ltd.1,640$2.02K0.00%+1,640New
State of Wyoming1,688$1.98K0.00%+1,688New
Zurcher Kantonalbank (Zurich Cantonalbank)1,683$1.97K0.00%−71−4.0%Reduced
1620 Investment Advisors, Inc.1,000$1.17K0.00%+1,000New
Royal Bank of Canada1,061$1.00K0.00%−1,227−53.6%Reduced
New York State Common Retirement Fund460$5380.00%−16,645−97.3%Reduced
Principal Securities, Inc.457$5350.00%+457New
Macroview Investment Management LLC351$4110.00%00.0%Unchanged
Caption Management, LLC200$2340.00%−73,908−99.7%Reduced
Fifth Third Bancorp115$1350.00%00.0%Unchanged
Farther Finance Advisors, LLC82$1050.00%+68+485.7%Added
Harbor Investment Advisory, LLC37$430.00%00.0%Unchanged
Daiwa Securities Group Inc.202$00.00%00.0%Unchanged
CWM, LLC5$00.00%+5New
Coppell Advisory Solutions LLC3,092––+3,092New
Avoro Capital Advisors LLC0$00.00%−4,140,607−100.0%Sold out
Cormorant Asset Management, LP0$00.00%−3,250,000−100.0%Sold out
Eventide Asset Management, LLC0$00.00%−2,346,526−100.0%Sold out
Adage Capital Partners GP, L.L.C.0$00.00%−2,331,250−100.0%Sold out
GMT Capital Corp0$00.00%−1,629,364−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−849,447−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−491,617−100.0%Sold out
Ally Bridge Group (NY) LLC0$00.00%−394,773−100.0%Sold out
Wellington Management Group LLP0$00.00%−294,981−100.0%Sold out
Ghost Tree Capital, LLC0$00.00%−285,000−100.0%Sold out