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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
Harbor Investment Advisory, LLC37$00.00%00.0%Unchanged
Ellevest, Inc.14$00.00%+14New
Daiwa Securities Group Inc.58$1.00K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.250$2.00K0.00%00.0%Unchanged
Wells Fargo & Company201$2.00K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC250$3.00K0.00%00.0%Unchanged
Quantbot Technologies LP400$4.00K0.00%+400New
Advisor Group Holdings, Inc.467$5.00K0.00%−13,250−96.6%Reduced
Cutler Group LP625$7.00K0.00%00.0%Unchanged
State of Wyoming610$7.00K0.00%+526+626.2%Added
Penserra Capital Management LLC835$9.00K0.00%00.0%Unchanged
Ci Investments Inc.1,200$14.0K0.00%+1,200New
Tower Research Capital LLC (TRC)1,426$16.0K0.00%−754−34.6%Reduced
Vectors Research Management, LLC2,000$23.0K0.01%00.0%Unchanged
Meeder Asset Management Inc2,066$23.0K0.00%+1,490+258.7%Added
Ameritas Investment Partners, Inc.2,896$33.0K0.00%00.0%Unchanged
Royal Bank of Canada3,307$38.0K0.00%+716+27.6%Added
Legal & General Group Plc3,904$44.0K0.00%00.0%Unchanged
Metropolitan Life Insurance Co6,787$77.2K0.00%−4,049−37.4%Reduced
Walleye Trading LLC7,264$83.0K0.00%+7,264New
Virtus ETF Advisers LLC11,335$129.0K0.06%−595−5.0%Reduced
MetLife Investment Management12,435$141.5K0.00%00.0%Unchanged
ProShare Advisors LLC12,580$143.0K0.00%−3,584−22.2%Reduced
Los Angeles Capital Management LLC12,735$145.0K0.00%−32,832−72.1%Reduced
Simplex Trading, LLC8,193$153.0K0.01%−200−2.4%Reduced
Voya Investment Management LLC14,615$166.0K0.00%00.0%Unchanged
Invesco Ltd.14,644$166.0K0.00%+2,889+24.6%Added
State Board of Administration of Florida Retirement System15,713$179.0K0.00%00.0%Unchanged
Citigroup Inc16,863$192.0K0.00%+11,234+199.6%Added
Trexquant Investment LP16,938$193.0K0.02%+16,938New
Two Sigma Advisers, LP18,175$207.0K0.00%−64,850−78.1%Reduced
California State Teachers Retirement System19,912$227.0K0.00%−30,987−60.9%Reduced
Alliancebernstein L.P.20,024$228.0K0.00%00.0%Unchanged
American International Group, Inc.20,215$230.0K0.00%−481−2.3%Reduced
Manufacturers Life Insurance Company, The20,261$231.0K0.00%−1,045−4.9%Reduced
Bank of America Corp22,082$251.0K0.00%+8,599+63.8%Added
Deutsche Bank AG22,180$253.0K0.00%−684−3.0%Reduced
Morgan Stanley23,217$263.0K0.00%−60,944−72.4%Reduced
New York State Common Retirement Fund23,640$269.0K0.00%−8,252−25.9%Reduced
Maven Securities LTD25,000$285.0K0.03%00.0%Unchanged
Group One Trading, L.P.25,387$289.0K0.01%+25,132+9,855.7%Added
Grimes & Company, Inc.29,128$331.0K0.01%+2,697+10.2%Added
State of Wisconsin Investment Board30,400$346.0K0.00%00.0%Unchanged
Palo Alto Investors LP31,330$357.0K0.02%00.0%Unchanged
UBS Group AG32,118$366.0K0.00%+1,467+4.8%Added
Rhumbline Advisers36,782$419.0K0.00%+1,675+4.8%Added
Dimensional Fund Advisors LP46,131$525.0K0.00%−42,776−48.1%Reduced
Citadel Advisors LLC51,452$585.0K0.00%−163,563−76.1%Reduced
SG Americas Securities, LLC70,833$806.0K0.00%+70,833New
Susquehanna International Group, LLP78,833$897.0K0.00%+49,880+172.3%Added
Knott David M81,166$924.0K0.39%00.0%Unchanged
Assenagon Asset Management S.A.92,101$1.05M0.00%00.0%Unchanged
Charles Schwab Investment Management Inc92,766$1.06M0.00%+1,721+1.9%Added
ETF Managers Group, LLC101,921$1.16M0.02%+101,921New
Victory Capital Management Inc102,269$1.16M0.00%+7,190+7.6%Added
Bank of New York Mellon Corp118,897$1.35M0.00%+16,270+15.9%Added
Nuveen Asset Management, LLC119,323$1.36M0.00%−9,133−7.1%Reduced
Gsa Capital Partners LLP128,408$1.46M0.15%+128,408New
Sofinnova Investments, Inc.166,711$1.90M0.12%−179,449−51.8%Reduced
Kestra Private Wealth Services, LLC200,000$2.28M0.13%+200,000New
Goldman Sachs Group Inc239,125$2.72M0.00%+4,253+1.8%Added
JPMorgan Chase & Co311,925$3.55M0.00%+180,939+138.1%Added
Northern Trust Corp337,801$3.85M0.00%−23,592−6.5%Reduced
Franklin Resources Inc357,200$4.07M0.00%00.0%Unchanged
Granite Point Capital Management, L.P.419,324$4.77M1.85%00.0%Unchanged
Bank of Montreal415,823$4.79M0.00%+415,823New
Jefferies Group LLC439,764$5.00M0.12%+424,467+2,774.8%Added
FMR LLC474,790$5.40M0.00%+250.0%Added
Geode Capital Management, LLC577,816$6.58M0.00%−6,367−1.1%Reduced
State Street Corp718,354$8.18M0.00%+64,408+9.8%Added
Artal Group S.A.1,000,000$11.4M0.28%00.0%Unchanged
Bleichroeder LP1,062,500$12.1M1.97%00.0%Unchanged
Adage Capital Partners GP, L.L.C.1,262,500$14.4M0.03%00.0%Unchanged
Bain Capital Life Sciences Investors, LLC1,431,058$16.3M1.01%00.0%Unchanged
Vanguard Group Inc1,696,244$19.3M0.00%−29,506−1.7%Reduced
683 Capital Management, LLC1,929,929$22.0M1.14%00.0%Unchanged
Suvretta Capital Management, LLC2,197,426$25.0M0.43%+370,981+20.3%Added
Boxer Capital, LLC2,400,000$27.3M0.95%00.0%Unchanged
VR Adviser, LLC2,641,809$30.1M3.86%00.0%Unchanged
BlackRock Inc.2,997,203$34.1M0.00%−17,825−0.6%Reduced
Avoro Capital Advisors LLC3,235,000$36.8M0.58%00.0%Unchanged
Lion Point Capital, LP3,629,622$41.3M10.96%−2,072−0.1%Reduced
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