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 2024

Institutional positions in Marinus Pharmaceuticals, Inc. as of Sep 30, 2024. 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
−14 vs. Q2 2024
Shares held
41.4M
−30.5K (−0.1%) vs. Q2 2024
Total value
$72.9M
+$24.4M (+50.4%) vs. Q2 2024
New holders
11
20 more added
Sold out
25
27 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 2024: 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 heldQ3 2024: $72.9M
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 2024

Shares, value and share of portfolio for each institution holding Marinus Pharmaceuticals, Inc.; share changes are against Q2 2024.

Institutions holding MRNS in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Suvretta Capital Management, LLC5,073,913$8.93M0.32%+1,253,901+32.8%Added
Franklin Resources Inc4,713,014$8.48M0.00%+1,219,871+34.9%Added
Tang Capital Management LLC4,700,000$8.27M0.59%−100,000−2.1%Reduced
Sofinnova Investments, Inc.4,386,177$7.72M0.64%+234,601+5.7%Added
Vanguard Group Inc2,802,965$4.93M0.00%00.0%Unchanged
Bain Capital Life Sciences Investors, LLC2,693,380$4.74M0.49%+425,700+18.8%Added
Standard Life Aberdeen plc2,658,527$4.68M0.01%+1,578,329+146.1%Added
Bleichroeder LP1,872,463$3.30M0.89%00.0%Unchanged
BlackRock, Inc.1,859,209$3.27M0.00%+1,859,209New
Woodline Partners LP1,264,271$2.23M0.02%−2,715,334−68.2%Reduced
Gsa Capital Partners LLP1,016,634$1.79M0.14%+817,050+409.4%Added
Acadian Asset Management LLC910,341$1.60M0.00%+214,369+30.8%Added
Ikarian Capital, LLC706,154$1.24M0.39%00.0%Unchanged
Lion Point Capital, LP693,778$1.22M4.90%−1,421,049−67.2%Reduced
Geode Capital Management, LLC568,517$1.00M0.00%−48,878−7.9%Reduced
Renaissance Technologies LLC501,931$883.4K0.00%−119,694−19.3%Reduced
Millennium Management LLC482,507$849.2K0.00%−236,073−32.9%Reduced
Assenagon Asset Management S.A.444,185$781.8K0.00%+183,396+70.3%Added
Jacobs Levy Equity Management, Inc414,269$729.1K0.00%+117,255+39.5%Added
Prudential Financial Inc385,250$678.0K0.00%00.0%Unchanged
Bank of Montreal429,600$607.9K0.00%+429,600New
Schroder Investment Management Group290,000$533.6K0.00%00.0%Unchanged
Bank of America Corp273,610$481.6K0.00%+198,260+263.1%Added
Citadel Advisors LLC240,405$423.1K0.00%+236,840+6,643.5%Added
State Street Corp206,476$363.4K0.00%00.0%Unchanged
Boothbay Fund Management, LLC185,996$327.4K0.01%00.0%Unchanged
D. E. Shaw & Co., Inc.178,801$314.7K0.00%+178,801New
Morgan Stanley165,068$290.5K0.00%−14,744−8.2%Reduced
JPMorgan Chase & Co133,191$234.4K0.00%+126,752+1,968.5%Added
Northern Trust Corp117,862$207.4K0.00%−285,849−70.8%Reduced
Squarepoint Ops LLC74,223$130.6K0.00%−101,512−57.8%Reduced
Susquehanna International Group, LLP73,879$130.0K0.00%−427,918−85.3%Reduced
Schonfeld Strategic Advisors LLC67,698$119.1K0.00%+37,598+124.9%Added
Values First Advisors, Inc.67,004$117.9K0.06%+4,333+6.9%Added
Royal Bank of Canada61,757$109.0K0.00%+60,696+5,720.6%Added
Pensionmark Financial Group, LLC59,320$104.4K0.00%+59,320New
Simplex Trading, LLC53,637$94.0K0.00%−11,404−17.5%Reduced
Bridgeway Capital Management, LLC50,000$88.0K0.00%+50,000New
Two Sigma Investments, LP47,665$83.9K0.00%+47,665New
Jane Street Group, LLC45,549$80.2K0.00%−158,636−77.7%Reduced
Price T Rowe Associates Inc44,200$78.0K0.00%00.0%Unchanged
Goldman Sachs Group Inc40,077$70.5K0.00%−542,020−93.1%Reduced
Qube Research & Technologies Ltd33,639$59.2K0.00%−207,095−86.0%Reduced
Grimes & Company, Inc.33,609$59.2K0.00%00.0%Unchanged
Engineers Gate Manager LP29,482$51.9K0.00%+8,454+40.2%Added
Algert Global LLC29,370$51.7K0.00%+29,370New
Two Sigma Advisers, LP19,725$34.7K0.00%−22,900−53.7%Reduced
Point72 Asia (Singapore) Pte. Ltd.19,278$33.9K0.01%−35,600−64.9%Reduced
Tower Research Capital LLC (TRC)13,765$24.2K0.00%−5,752−29.5%Reduced
Atria Investments LLC13,310$23.4K0.00%+13,310New
XTX Topco Ltd13,205$23.2K0.00%−184,735−93.3%Reduced
Commonwealth Equity Services, LLC12,618$22.0K0.00%+985+8.5%Added
Group One Trading, L.P.11,694$20.6K0.00%+4,091+53.8%Added
Advisor Group Holdings, Inc.11,001$19.4K0.00%−4,800−30.4%Reduced
Perfromance Wealth Partners, LLC11,000$19.4K0.00%+11,000New
Catalyst Funds Management Pty Ltd10,800$19.0K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.10,594$18.6K0.00%+4,139+64.1%Added
Balyasny Asset Management LLC10,006$17.6K0.00%+10,006New
FMR LLC6,751$11.9K0.00%−3,953−36.9%Reduced
Federated Hermes, Inc.3,740$6.58K0.00%−2,086−35.8%Reduced
Russell Investments Group, Ltd.2,572$4.53K0.00%−1,915−42.7%Reduced
UBS Group AG2,258$3.97K0.00%−16,787−88.1%Reduced
Mirae Asset Global Investments Co., Ltd.1,992$3.67K0.00%+352+21.5%Added
Wells Fargo & Company1,800$3.17K0.00%+1,800New
Zurcher Kantonalbank (Zurich Cantonalbank)1,656$2.92K0.00%−27−1.6%Reduced
Citigroup Inc1,306$2.30K0.00%−55,262−97.7%Reduced
1620 Investment Advisors, Inc.1,000$1.76K0.00%00.0%Unchanged
Principal Securities, Inc.457$8040.00%00.0%Unchanged
Macroview Investment Management LLC351$6180.00%00.0%Unchanged
Barclays PLC302$5310.00%−36,097−99.2%Reduced
Fifth Third Bancorp115$2020.00%00.0%Unchanged
Farther Finance Advisors, LLC82$1440.00%00.0%Unchanged
Point72 (DIFC) Ltd28$490.00%−23,670−99.9%Reduced
Daiwa Securities Group Inc.202$00.00%00.0%Unchanged
Coppell Advisory Solutions LLC3,092––00.0%Unchanged
Jennison Associates LLC0$00.00%−1,469,285−100.0%Sold out
Superstring Capital Management LP0$00.00%−261,861−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−146,215−100.0%Sold out
Alpine Global Management, LLC0$00.00%−134,646−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−106,942−100.0%Sold out
Centiva Capital, LP0$00.00%−92,933−100.0%Sold out
Hussman Strategic Advisors, Inc.0$00.00%−84,000−100.0%Sold out
Paloma Partners Management Co0$00.00%−62,400−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−41,686−100.0%Sold out
Prospera Financial Services Inc0$00.00%−41,144−100.0%Sold out
HRT Financial LP0$00.00%−36,716−100.0%Sold out
AQR Capital Management LLC0$00.00%−31,333−100.0%Sold out
SG Americas Securities, LLC0$00.00%−29,178−100.0%Sold out
Rhumbline Advisers0$00.00%−28,709−100.0%Sold out
Mirae Asset Global ETFs Holdings Ltd.0$00.00%−27,659−100.0%Sold out
Verition Fund Management LLC0$00.00%−20,522−100.0%Sold out
Ground Swell Capital, LLC0$00.00%−19,316−100.0%Sold out
Jump Financial, LLC0$00.00%−13,334−100.0%Sold out
ProShare Advisors LLC0$00.00%−10,724−100.0%Sold out
Macquarie Group Ltd0$00.00%−2,749−100.0%Sold out
State of Wyoming0$00.00%−1,688−100.0%Sold out
New York State Common Retirement Fund0$00.00%−460−100.0%Sold out
Caption Management, LLC0$00.00%−200−100.0%Sold out
Harbor Investment Advisory, LLC0$00.00%−37−100.0%Sold out
CWM, LLC0$00.00%−5−100.0%Sold out