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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 2023

Institutional positions in Marinus Pharmaceuticals, Inc. as of Mar 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
86
+12 vs. Q4 2022
Shares held
41.1M
+693.3K (+1.7%) vs. Q4 2022
Total value
$283.9M
+$118.3M (+71.4%) vs. Q4 2022
New holders
26
31 more added
Sold out
14
22 more reduced

Compare with Q4 2022: 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 2023: 86 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 2023: $283.9M
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 2023

Shares, value and share of portfolio for each institution holding Marinus Pharmaceuticals, Inc.; share changes are against Q4 2022.

Institutions holding MRNS in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Suvretta Capital Management, LLC4,831,261$33.3M1.61%+8,266+0.2%Added
Eventide Asset Management, LLC3,173,197$21.9M0.40%+23,197+0.7%Added
Point72 Asset Management, L.P.3,153,000$21.8M0.08%−362,000−10.3%Reduced
Avoro Capital Advisors LLC3,150,000$21.7M0.32%00.0%Unchanged
Lion Point Capital, LP2,620,096$18.1M9.97%−1,602,552−38.0%Reduced
Vanguard Group Inc2,184,744$15.1M0.00%+192,655+9.7%Added
Adage Capital Partners GP, L.L.C.2,034,500$14.0M0.03%−18,000−0.9%Reduced
Bleichroeder LP1,872,463$12.9M2.76%00.0%Unchanged
Woodline Partners LP1,597,411$11.0M0.16%+26,019+1.7%Added
Bain Capital Life Sciences Investors, LLC1,431,058$9.87M1.23%00.0%Unchanged
AIGH Capital Management LLC1,336,150$9.22M3.40%+1,336,150New
Sofinnova Investments, Inc.1,200,389$8.28M0.56%+1,200,389New
GMT Capital Corp1,181,570$8.15M0.32%+1,181,570New
BlackRock Inc.1,128,413$7.79M0.00%+50,463+4.7%Added
Franklin Resources Inc1,025,835$7.08M0.00%+588,135+134.4%Added
Millennium Management LLC930,766$6.42M0.01%−151,993−14.0%Reduced
Opaleye Management Inc.765,000$5.28M1.58%−61,200−7.4%Reduced
Assenagon Asset Management S.A.682,491$4.71M0.02%+232,543+51.7%Added
Barclays PLC643,015$4.44M0.00%+624,860+3,441.8%Added
Jefferies Financial Group Inc.503,793$3.48M0.07%+9,029+1.8%Added
Tekla Capital Management LLC456,780$3.15M0.12%+456,780New
Geode Capital Management, LLC447,223$3.09M0.00%+29,494+7.1%Added
Bank of Montreal351,828$2.53M0.00%−68,572−16.3%Reduced
Susquehanna International Group, LLP353,205$2.44M0.00%−13,360−3.6%Reduced
Worth Venture Partners, LLC328,735$2.27M1.11%+328,735New
Jane Street Group, LLC303,738$2.10M0.00%+292,044+2,497.4%Added
Parkman Healthcare Partners LLC250,000$1.73M0.38%+250,000New
Altium Capital Management LP228,714$1.58M0.94%+228,714New
Citadel Advisors LLC183,408$1.27M0.00%−169,045−48.0%Reduced
EAM Investors, LLC170,901$1.18M0.23%+170,901New
Goldman Sachs Group Inc154,159$1.06M0.00%+90,188+141.0%Added
HRT Financial LP152,410$1.05M0.01%+152,410New
State Street Corp151,976$1.05M0.00%+9,900+7.0%Added
Simplify Asset Management Inc.150,000$1.03M0.19%+150,000New
Bank of America Corp149,317$1.03M0.00%+54,516+57.5%Added
Renaissance Technologies LLC131,300$906.0K0.00%−31,400−19.3%Reduced
Morgan Stanley121,917$841.2K0.00%+20,656+20.4%Added
Simplex Trading, LLC110,917$765.0K0.03%+26,912+32.0%Added
Citigroup Inc105,286$726.5K0.00%+29,483+38.9%Added
Qube Research & Technologies Ltd102,602$708.0K0.00%+58,180+131.0%Added
Caption Management, LLC93,778$647.1K0.14%−9,244−9.0%Reduced
D. E. Shaw & Co., Inc.88,227$608.8K0.00%+88,227New
Marshall Wace, LLP87,025$600.5K0.00%+60,212+224.6%Added
UBS Group AG84,752$584.8K0.00%+8,916+11.8%Added
Graham Capital Management, L.P.78,063$538.6K0.02%+78,063New
Northern Trust Corp77,343$533.7K0.00%+1,266+1.7%Added
Mirabella Financial Services LLP57,388$396.0K0.08%+46,468+425.5%Added
Group One Trading, L.P.52,093$359.4K0.02%+49,574+1,968.0%Added
Bank of New York Mellon Corp52,013$358.9K0.00%+32,896+172.1%Added
Schonfeld Strategic Advisors LLC48,250$332.9K0.00%+48,250New
Verition Fund Management LLC47,108$325.0K0.01%+47,108New
Tejara Capital Ltd38,649$266.7K0.14%−57,179−59.7%Reduced
LMR Partners LLP35,639$245.9K0.01%+35,639New
Maven Securities LTD35,000$241.5K0.04%00.0%Unchanged
Grimes & Company, Inc.34,751$239.8K0.01%+122+0.4%Added
Alps Advisors Inc32,691$225.6K0.00%+313+1.0%Added
Dimensional Fund Advisors LP32,089$221.4K0.00%00.0%Unchanged
Walleye Capital LLC30,883$213.1K0.00%−809,874−96.3%Reduced
Islet Management, LP30,000$207.0K0.76%−170,000−85.0%Reduced
683 Capital Management, LLC27,000$186.3K0.02%−63,000−70.0%Reduced
Boothbay Fund Management, LLC20,914$144.3K0.00%−3,013−12.6%Reduced
Price T Rowe Associates Inc19,700$136.0K0.00%−3,400−14.7%Reduced
Charles Schwab Investment Management Inc19,569$135.0K0.00%−5,091−20.6%Reduced
Diametric Capital, LP18,986$131.0K0.06%+18,986New
Values First Advisors, Inc.18,272$126.1K0.08%+18,272New
Balyasny Asset Management LLC17,423$120.2K0.00%+17,423New
Walleye Trading LLC15,143$104.5K0.00%+15,143New
Y-Intercept (Hong Kong) Ltd14,479$99.9K0.01%+14,479New
Dynamic Technology Lab Private Ltd12,051$83.0K0.01%+12,051New
Lighthouse Investment Partners, LLC11,888$82.0K0.01%−5,040−29.8%Reduced
Jump Financial, LLC11,526$79.5K0.00%−2,348−16.9%Reduced
ExodusPoint Capital Management, LP11,100$77.0K0.00%+11,100New
Wolverine Trading, LLC10,263$72.0K0.00%+10,263New
Denali Advisors LLC9,600$66.2K0.03%+9,600New
FMR LLC4,433$30.6K0.00%+4,210+1,887.9%Added
Tower Research Capital LLC (TRC)2,505$17.0K0.00%−22,230−89.9%Reduced
JPMorgan Chase & Co748$5.00K0.00%+128+20.6%Added
China Universal Asset Management Co., Ltd.672$4.64K0.00%+187+38.6%Added
Advisor Group Holdings, Inc.524$3.62K0.00%−100−16.0%Reduced
Royal Bank of Canada456$3.00K0.00%+400+714.3%Added
Wells Fargo & Company312$2.15K0.00%+16+5.4%Added
Cubist Systematic Strategies, LLC70$4830.00%−286−80.3%Reduced
Parallel Advisors, LLC60$4140.00%+60New
Harbor Investment Advisory, LLC37$2550.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co5$350.00%+5New
Daiwa Securities Group Inc.58$00.00%00.0%Unchanged
VR Adviser, LLC0$00.00%−1,770,705−100.0%Sold out
Antara Capital LP0$00.00%−1,698,794−100.0%Sold out
Rubric Capital Management LP0$00.00%−315,277−100.0%Sold out
Man Group plc0$00.00%−82,930−100.0%Sold out
Hudson Bay Capital Management LP0$00.00%−72,016−100.0%Sold out
Nomura Holdings Inc0$00.00%−58,816−100.0%Sold out
XTX Topco Ltd0$00.00%−55,106−100.0%Sold out
PDT Partners, LLC0$00.00%−37,207−100.0%Sold out
Parallax Volatility Advisers, L.P.0$00.00%−10,292−100.0%Sold out
Trexquant Investment LP0$00.00%−10,213−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−8,200−100.0%Sold out
Acadian Asset Management LLC0$00.00%−7,041−100.0%Sold out
Zurcher Kantonalbank (Zurich Cantonalbank)0$00.00%−2,327−100.0%Sold out
Carolinas Wealth Consulting LLC0$00.00%−423−100.0%Sold out