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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 2021

Institutional positions in Marinus Pharmaceuticals, Inc. as of Dec 31, 2021. 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
75
−6 vs. Q3 2021
Shares held
29.9M
−1.79M (−5.6%) vs. Q3 2021
Total value
$355.7M
−$5.33M (−1.5%) vs. Q3 2021
New holders
8
23 more added
Sold out
14
24 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 2021: 75 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 2021: $355.7M
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 2021

Shares, value and share of portfolio for each institution holding Marinus Pharmaceuticals, Inc.; share changes are against Q3 2021.

Institutions holding MRNS in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Lion Point Capital, LP3,629,622$43.1M14.23%00.0%Unchanged
Avoro Capital Advisors LLC3,235,000$38.4M0.65%00.0%Unchanged
BlackRock Inc.3,016,889$35.8M0.00%+19,686+0.7%Added
VR Adviser, LLC2,880,096$34.2M4.68%+238,287+9.0%Added
Suvretta Capital Management, LLC2,638,775$31.3M0.61%+441,349+20.1%Added
683 Capital Management, LLC1,932,829$23.0M1.09%+2,900+0.2%Added
Vanguard Group Inc1,694,118$20.1M0.00%−2,126−0.1%Reduced
Bain Capital Life Sciences Investors, LLC1,431,058$17.0M1.35%00.0%Unchanged
Adage Capital Partners GP, L.L.C.1,262,500$15.0M0.03%00.0%Unchanged
Bleichroeder LP1,062,500$12.6M1.97%00.0%Unchanged
Artal Group S.A.1,000,000$11.9M0.35%00.0%Unchanged
State Street Corp688,272$8.18M0.00%−30,082−4.2%Reduced
Geode Capital Management, LLC593,097$7.04M0.00%+15,281+2.6%Added
Jefferies Group LLC439,764$5.22M0.10%00.0%Unchanged
Granite Point Capital Management, L.P.419,324$4.98M1.94%00.0%Unchanged
FMR LLC411,165$4.88M0.00%−63,625−13.4%Reduced
Bank of Montreal366,300$4.52M0.00%−49,523−11.9%Reduced
Franklin Resources Inc357,200$4.24M0.00%00.0%Unchanged
Northern Trust Corp334,910$3.98M0.00%−2,891−0.9%Reduced
JPMorgan Chase & Co298,121$3.54M0.00%−13,804−4.4%Reduced
Citadel Advisors LLC224,340$2.67M0.00%+172,888+336.0%Added
Sofinnova Investments, Inc.171,338$2.04M0.13%+4,627+2.8%Added
Goldman Sachs Group Inc151,569$1.80M0.00%−87,556−36.6%Reduced
Logos Global Management LP130,000$1.54M0.16%+130,000New
Gsa Capital Partners LLP121,371$1.44M0.18%−7,037−5.5%Reduced
Bank of New York Mellon Corp120,536$1.43M0.00%+1,639+1.4%Added
Nuveen Asset Management, LLC110,551$1.31M0.00%−8,772−7.4%Reduced
Victory Capital Management Inc97,849$1.16M0.00%−4,420−4.3%Reduced
Charles Schwab Investment Management Inc92,766$1.10M0.00%00.0%Unchanged
Dimensional Fund Advisors LP88,385$1.05M0.00%+42,254+91.6%Added
Wellington Management Group LLP86,800$1.03M0.00%+86,800New
Assenagon Asset Management S.A.84,402$1.00M0.00%−7,699−8.4%Reduced
Susquehanna International Group, LLP73,684$875.0K0.00%−5,149−6.5%Reduced
SG Americas Securities, LLC59,972$712.0K0.00%−10,861−15.3%Reduced
UBS Group AG50,214$597.0K0.00%+18,096+56.3%Added
Knott David M Jr46,697$555.0K0.21%+46,697New
Morgan Stanley38,158$453.0K0.00%+14,941+64.4%Added
Rhumbline Advisers35,857$426.0K0.00%−925−2.5%Reduced
Group One Trading, L.P.32,477$386.0K0.01%+7,090+27.9%Added
Palo Alto Investors LP31,330$372.0K0.02%00.0%Unchanged
Grimes & Company, Inc.25,680$305.0K0.01%−3,448−11.8%Reduced
Maven Securities LTD25,000$297.0K0.04%00.0%Unchanged
New York State Common Retirement Fund23,559$280.0K0.00%−81−0.3%Reduced
Deutsche Bank AG23,362$277.0K0.00%+1,182+5.3%Added
Bank of America Corp22,934$273.0K0.00%+852+3.9%Added
Manufacturers Life Insurance Company, The20,566$244.0K0.00%+305+1.5%Added
Gyon Technologies Capital Management, LP20,251$241.0K0.04%+20,251New
Alliancebernstein L.P.20,024$238.0K0.00%00.0%Unchanged
California State Teachers Retirement System19,912$237.0K0.00%00.0%Unchanged
American International Group, Inc.19,628$233.0K0.00%−587−2.9%Reduced
Wells Fargo & Company18,059$214.0K0.00%+17,858+8,884.6%Added
Virtus ETF Advisers LLC15,932$189.0K0.07%+4,597+40.6%Added
State Board of Administration of Florida Retirement System15,864$188.0K0.00%+151+1.0%Added
Voya Investment Management LLC14,703$175.0K0.00%+88+0.6%Added
Invesco Ltd.13,363$158.0K0.00%−1,281−8.7%Reduced
ProShare Advisors LLC13,245$158.0K0.00%+665+5.3%Added
Los Angeles Capital Management LLC12,598$150.0K0.00%−137−1.1%Reduced
MetLife Investment Management12,435$147.7K0.00%00.0%Unchanged
Citigroup Inc11,240$134.0K0.00%−5,623−33.3%Reduced
Walleye Capital LLC10,554$125.0K0.00%+10,554New
Royal Bank of Canada7,900$94.0K0.00%+4,593+138.9%Added
Metropolitan Life Insurance Co6,120$72.7K0.00%−667−9.8%Reduced
Legal & General Group Plc3,870$46.0K0.00%−34−0.9%Reduced
Ameritas Investment Partners, Inc.2,896$34.0K0.00%00.0%Unchanged
Ci Investments Inc.2,500$30.0K0.00%+1,300+108.3%Added
Vectors Research Management, LLC2,000$24.0K0.01%00.0%Unchanged
Tower Research Capital LLC (TRC)954$11.0K0.00%−472−33.1%Reduced
State of Wyoming605$7.00K0.00%−5−0.8%Reduced
Credit Suisse AG655$7.00K0.00%+655New
Advisor Group Holdings, Inc.487$6.00K0.00%+20+4.3%Added
Ancora Advisors, LLC400$5.00K0.00%+400New
Carolinas Wealth Consulting LLC423$5.00K0.00%+423New
Rockefeller Capital Management L.P.250$2.00K0.00%00.0%Unchanged
Daiwa Securities Group Inc.58$1.00K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC37$00.00%00.0%Unchanged
Boxer Capital, LLC0$00.00%−2,400,000−100.0%Sold out
Kestra Private Wealth Services, LLC0$00.00%−200,000−100.0%Sold out
ETF Managers Group, LLC0$00.00%−101,921−100.0%Sold out
State of Wisconsin Investment Board0$00.00%−30,400−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−18,175−100.0%Sold out
Trexquant Investment LP0$00.00%−16,938−100.0%Sold out
Simplex Trading, LLC0$00.00%−8,193−100.0%Sold out
Walleye Trading LLC0$00.00%−7,264−100.0%Sold out
Meeder Asset Management Inc0$00.00%−2,066−100.0%Sold out
Penserra Capital Management LLC0$00.00%−835−100.0%Sold out
Cutler Group LP0$00.00%−625−100.0%Sold out
Quantbot Technologies LP0$00.00%−400−100.0%Sold out
JFS Wealth Advisors, LLC0$00.00%−250−100.0%Sold out
Ellevest, Inc.0$00.00%−14−100.0%Sold out
Knott David M––––Not filed