Skip to main content

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 2022

Institutional positions in Marinus Pharmaceuticals, Inc. as of Sep 30, 2022. 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
69
−4 vs. Q2 2022
Shares held
28.9M
+120.2K (+0.4%) vs. Q2 2022
Total value
$186.9M
+$46.3M (+32.9%) vs. Q2 2022
New holders
12
20 more added
Sold out
16
16 more reduced

Compare with Q2 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 holdersQ3 2022: 69 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 2022: $186.9M
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, Q3 2022

Shares, value and share of portfolio for each institution holding Marinus Pharmaceuticals, Inc.; share changes are against Q2 2022.

Institutions holding MRNS in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Suvretta Capital Management, LLC3,537,700$23.5M0.99%+26,869+0.8%Added
VR Adviser, LLC3,156,803$21.0M3.24%00.0%Unchanged
Avoro Capital Advisors LLC3,150,000$20.9M0.39%00.0%Unchanged
Lion Point Capital, LP3,684,622$19.0M7.67%00.0%Unchanged
Vanguard Group Inc1,691,370$11.2M0.00%+16,812+1.0%Added
Bain Capital Life Sciences Investors, LLC1,431,058$9.52M1.14%00.0%Unchanged
Woodline Partners LP1,368,123$9.10M0.13%+1,368,123New
Bleichroeder LP1,322,463$8.79M1.83%00.0%Unchanged
Adage Capital Partners GP, L.L.C.1,237,500$8.23M0.02%−25,000−2.0%Reduced
Antara Capital LP996,794$6.63M0.73%+529,313+113.2%Added
683 Capital Management, LLC975,000$6.48M0.52%−925,000−48.7%Reduced
BlackRock Inc.959,198$6.38M0.00%+17,887+1.9%Added
Assenagon Asset Management S.A.527,925$3.51M0.02%+420,802+392.8%Added
Jefferies Group LLC494,764$3.29M0.10%00.0%Unchanged
Granite Point Capital Management, L.P.472,056$3.14M3.29%00.0%Unchanged
Franklin Resources Inc437,700$2.91M0.00%00.0%Unchanged
Bank of Montreal351,700$2.48M0.00%00.0%Unchanged
Geode Capital Management, LLC335,156$2.23M0.00%+4,840+1.5%Added
Rubric Capital Management LP315,277$2.10M0.11%00.0%Unchanged
Walleye Capital LLC286,683$1.91M0.04%+286,683New
FMR LLC250,867$1.67M0.00%−228−0.1%Reduced
Citadel Advisors LLC231,828$1.54M0.00%+12,338+5.6%Added
Millennium Management LLC209,977$1.40M0.00%−174,094−45.3%Reduced
Renaissance Technologies LLC193,325$1.29M0.00%+36,425+23.2%Added
Artal Group S.A.157,000$1.04M0.05%−843,000−84.3%Reduced
Ergoteles LLC150,334$1.00M0.04%−44,954−23.0%Reduced
Goldman Sachs Group Inc123,019$818.0K0.00%+77,435+169.9%Added
State Street Corp120,176$799.0K0.00%−10,000−7.7%Reduced
UBS Group AG96,375$641.0K0.00%+178+0.2%Added
Man Group plc68,720$457.0K0.00%+68,720New
Parallax Volatility Advisers, L.P.60,869$405.0K0.01%+60,869New
Northern Trust Corp57,003$380.0K0.00%−80−0.1%Reduced
Susquehanna International Group, LLP36,905$245.0K0.00%+10,139+37.9%Added
Maven Securities LTD35,000$233.0K0.01%00.0%Unchanged
Grimes & Company, Inc.34,629$230.0K0.01%+750+2.2%Added
Morgan Stanley34,336$227.0K0.00%−71,611−67.6%Reduced
Simplex Trading, LLC33,342$221.0K0.01%+32,368+3,323.2%Added
Palo Alto Investors LP31,330$208.0K0.02%00.0%Unchanged
Gsa Capital Partners LLP30,856$205.0K0.03%−11,400−27.0%Reduced
Qube Research & Technologies Ltd20,391$136.0K0.00%−7,211−26.1%Reduced
Bank of New York Mellon Corp19,482$130.0K0.00%−780−3.8%Reduced
LMR Partners LLP17,565$117.0K0.00%00.0%Unchanged
Walleye Trading LLC17,669$117.0K0.00%+17,669New
Price T Rowe Associates Inc15,600$104.0K0.00%00.0%Unchanged
Hudson Bay Capital Management LP15,253$101.0K0.00%+15,253New
Bank of America Corp14,553$97.0K0.00%+2,083+16.7%Added
PDT Partners, LLC14,239$95.0K0.01%+1,288+9.9%Added
Charles Schwab Investment Management Inc12,809$86.0K0.00%00.0%Unchanged
Delphia (USA) Inc.12,973$86.0K0.10%+12,973New
XTX Topco Ltd12,813$85.0K0.02%−25,169−66.3%Reduced
Corton Capital Inc.12,736$85.0K0.10%+12,736New
Group One Trading, L.P.11,912$79.0K0.00%+4,300+56.5%Added
Citigroup Inc8,504$57.0K0.00%+7,064+490.6%Added
Ci Investments Inc.2,500$17.0K0.00%00.0%Unchanged
JPMorgan Chase & Co2,560$17.0K0.00%+490+23.7%Added
Zurcher Kantonalbank (Zurich Cantonalbank)2,327$15.0K0.00%00.0%Unchanged
Barclays PLC2,218$15.0K0.00%+2,218New
Quantbot Technologies LP1,800$11.0K0.00%−1,700−48.6%Reduced
Tower Research Capital LLC (TRC)1,615$11.0K0.00%−798−33.1%Reduced
Nomura Holdings Inc782$5.00K0.00%+782New
Advisor Group Holdings, Inc.624$4.00K0.00%−13−2.0%Reduced
Ancora Advisors, LLC400$3.00K0.00%00.0%Unchanged
Carolinas Wealth Consulting LLC423$3.00K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.349$2.00K0.00%+349New
Wells Fargo & Company225$1.00K0.00%+4+1.8%Added
BNP Paribas Arbitrage, SA129$8580.00%+129New
Royal Bank of Canada52$00.00%+5+10.6%Added
Harbor Investment Advisory, LLC37$00.00%00.0%Unchanged
Daiwa Securities Group Inc.58$00.00%00.0%Unchanged
Stonepine Capital Management, LLC0$00.00%−242,327−100.0%Sold out
Victory Capital Management Inc0$00.00%−113,779−100.0%Sold out
Wellington Management Group LLP0$00.00%−87,692−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−76,635−100.0%Sold out
Dimensional Fund Advisors LP0$00.00%−74,511−100.0%Sold out
Opaleye Management Inc.0$00.00%−68,900−100.0%Sold out
Two Sigma Investments, LP0$00.00%−51,325−100.0%Sold out
HRT Financial LP0$00.00%−26,408−100.0%Sold out
Laurion Capital Management LP0$00.00%−15,377−100.0%Sold out
Jane Street Group, LLC0$00.00%−14,078−100.0%Sold out
Cutler Group LP0$00.00%−13,259−100.0%Sold out
Vectors Research Management, LLC0$00.00%−2,000−100.0%Sold out
New York State Common Retirement Fund0$00.00%−260−100.0%Sold out
Credit Suisse AG0$00.00%−20−100.0%Sold out
Massmutual Trust Co FSB0$00.00%−97−100.0%Sold out
Ellevest, Inc.0$00.00%−23−100.0%Sold out