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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, Q3 2021

Institutional positions in Marinus Pharmaceuticals, Inc. as of Sep 30, 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
82
+2 vs. Q2 2021
Shares held
31.8M
+311.7K (+1.0%) vs. Q2 2021
Total value
$362.0M
−$201.3M (−35.7%) vs. Q2 2021
New holders
10
20 more added
Sold out
8
23 more reduced

Compare with Q2 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 holdersQ3 2021: 82 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 heldQ3 2021: $362.0M
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, Q3 2021

Shares, value and share of portfolio for each institution holding Marinus Pharmaceuticals, Inc.; share changes are against Q2 2021.

Institutions holding MRNS in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Lion Point Capital, LP3,629,622$41.3M10.96%−2,072−0.1%Reduced
Avoro Capital Advisors LLC3,235,000$36.8M0.58%00.0%Unchanged
BlackRock Inc.2,997,203$34.1M0.00%−17,825−0.6%Reduced
VR Adviser, LLC2,641,809$30.1M3.86%00.0%Unchanged
Boxer Capital, LLC2,400,000$27.3M0.95%00.0%Unchanged
Suvretta Capital Management, LLC2,197,426$25.0M0.43%+370,981+20.3%Added
683 Capital Management, LLC1,929,929$22.0M1.14%00.0%Unchanged
Vanguard Group Inc1,696,244$19.3M0.00%−29,506−1.7%Reduced
Bain Capital Life Sciences Investors, LLC1,431,058$16.3M1.01%00.0%Unchanged
Adage Capital Partners GP, L.L.C.1,262,500$14.4M0.03%00.0%Unchanged
Bleichroeder LP1,062,500$12.1M1.97%00.0%Unchanged
Artal Group S.A.1,000,000$11.4M0.28%00.0%Unchanged
State Street Corp718,354$8.18M0.00%+64,408+9.8%Added
Geode Capital Management, LLC577,816$6.58M0.00%−6,367−1.1%Reduced
FMR LLC474,790$5.40M0.00%+250.0%Added
Jefferies Group LLC439,764$5.00M0.12%+424,467+2,774.8%Added
Bank of Montreal415,823$4.79M0.00%+415,823New
Granite Point Capital Management, L.P.419,324$4.77M1.85%00.0%Unchanged
Franklin Resources Inc357,200$4.07M0.00%00.0%Unchanged
Northern Trust Corp337,801$3.85M0.00%−23,592−6.5%Reduced
JPMorgan Chase & Co311,925$3.55M0.00%+180,939+138.1%Added
Goldman Sachs Group Inc239,125$2.72M0.00%+4,253+1.8%Added
Kestra Private Wealth Services, LLC200,000$2.28M0.13%+200,000New
Sofinnova Investments, Inc.166,711$1.90M0.12%−179,449−51.8%Reduced
Gsa Capital Partners LLP128,408$1.46M0.15%+128,408New
Nuveen Asset Management, LLC119,323$1.36M0.00%−9,133−7.1%Reduced
Bank of New York Mellon Corp118,897$1.35M0.00%+16,270+15.9%Added
Victory Capital Management Inc102,269$1.16M0.00%+7,190+7.6%Added
ETF Managers Group, LLC101,921$1.16M0.02%+101,921New
Charles Schwab Investment Management Inc92,766$1.06M0.00%+1,721+1.9%Added
Assenagon Asset Management S.A.92,101$1.05M0.00%00.0%Unchanged
Knott David M81,166$924.0K0.39%00.0%Unchanged
Susquehanna International Group, LLP78,833$897.0K0.00%+49,880+172.3%Added
SG Americas Securities, LLC70,833$806.0K0.00%+70,833New
Citadel Advisors LLC51,452$585.0K0.00%−163,563−76.1%Reduced
Dimensional Fund Advisors LP46,131$525.0K0.00%−42,776−48.1%Reduced
Rhumbline Advisers36,782$419.0K0.00%+1,675+4.8%Added
UBS Group AG32,118$366.0K0.00%+1,467+4.8%Added
Palo Alto Investors LP31,330$357.0K0.02%00.0%Unchanged
State of Wisconsin Investment Board30,400$346.0K0.00%00.0%Unchanged
Grimes & Company, Inc.29,128$331.0K0.01%+2,697+10.2%Added
Group One Trading, L.P.25,387$289.0K0.01%+25,132+9,855.7%Added
Maven Securities LTD25,000$285.0K0.03%00.0%Unchanged
New York State Common Retirement Fund23,640$269.0K0.00%−8,252−25.9%Reduced
Morgan Stanley23,217$263.0K0.00%−60,944−72.4%Reduced
Deutsche Bank AG22,180$253.0K0.00%−684−3.0%Reduced
Bank of America Corp22,082$251.0K0.00%+8,599+63.8%Added
Manufacturers Life Insurance Company, The20,261$231.0K0.00%−1,045−4.9%Reduced
American International Group, Inc.20,215$230.0K0.00%−481−2.3%Reduced
Alliancebernstein L.P.20,024$228.0K0.00%00.0%Unchanged
California State Teachers Retirement System19,912$227.0K0.00%−30,987−60.9%Reduced
Two Sigma Advisers, LP18,175$207.0K0.00%−64,850−78.1%Reduced
Trexquant Investment LP16,938$193.0K0.02%+16,938New
Citigroup Inc16,863$192.0K0.00%+11,234+199.6%Added
State Board of Administration of Florida Retirement System15,713$179.0K0.00%00.0%Unchanged
Voya Investment Management LLC14,615$166.0K0.00%00.0%Unchanged
Invesco Ltd.14,644$166.0K0.00%+2,889+24.6%Added
Simplex Trading, LLC8,193$153.0K0.01%−200−2.4%Reduced
Los Angeles Capital Management LLC12,735$145.0K0.00%−32,832−72.1%Reduced
ProShare Advisors LLC12,580$143.0K0.00%−3,584−22.2%Reduced
MetLife Investment Management12,435$141.5K0.00%00.0%Unchanged
Virtus ETF Advisers LLC11,335$129.0K0.06%−595−5.0%Reduced
Walleye Trading LLC7,264$83.0K0.00%+7,264New
Metropolitan Life Insurance Co6,787$77.2K0.00%−4,049−37.4%Reduced
Legal & General Group Plc3,904$44.0K0.00%00.0%Unchanged
Royal Bank of Canada3,307$38.0K0.00%+716+27.6%Added
Ameritas Investment Partners, Inc.2,896$33.0K0.00%00.0%Unchanged
Vectors Research Management, LLC2,000$23.0K0.01%00.0%Unchanged
Meeder Asset Management Inc2,066$23.0K0.00%+1,490+258.7%Added
Tower Research Capital LLC (TRC)1,426$16.0K0.00%−754−34.6%Reduced
Ci Investments Inc.1,200$14.0K0.00%+1,200New
Penserra Capital Management LLC835$9.00K0.00%00.0%Unchanged
Cutler Group LP625$7.00K0.00%00.0%Unchanged
State of Wyoming610$7.00K0.00%+526+626.2%Added
Advisor Group Holdings, Inc.467$5.00K0.00%−13,250−96.6%Reduced
Quantbot Technologies LP400$4.00K0.00%+400New
JFS Wealth Advisors, LLC250$3.00K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.250$2.00K0.00%00.0%Unchanged
Wells Fargo & Company201$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
Ellevest, Inc.14$00.00%+14New
Scion Asset Management, LLC0$00.00%−625,000−100.0%Sold out
Alyeska Investment Group, L.P.0$00.00%−218,837−100.0%Sold out
First Trust Advisors LP0$00.00%−85,567−100.0%Sold out
Verition Fund Management LLC0$00.00%−72,025−100.0%Sold out
Two Sigma Investments, LP0$00.00%−59,292−100.0%Sold out
Jane Street Group, LLC0$00.00%−33,702−100.0%Sold out
Wolverine Trading, LLC0$00.00%−10,181−100.0%Sold out
Pinz Capital Management, LP0$00.00%−6,300−100.0%Sold out