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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 2023

Institutional positions in Marinus Pharmaceuticals, Inc. as of Sep 30, 2023. 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
104
−1 vs. Q2 2023
Shares held
51.1M
+6.82M (+15.4%) vs. Q2 2023
Total value
$411.1M
−$69.4M (−14.4%) vs. Q2 2023
New holders
18
41 more added
Sold out
19
30 more reduced

1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 2023: 104 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 2023: $411.1M
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 2023

Shares, value and share of portfolio for each institution holding Marinus Pharmaceuticals, Inc.; share changes are against Q2 2023.

Institutions holding MRNS in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Suvretta Capital Management, LLC5,204,942$41.9M2.26%+1,147,331+28.3%Added
Eventide Asset Management, LLC4,529,997$36.5M0.66%+1,356,800+42.8%Added
BlackRock Inc.4,145,643$33.4M0.00%+247,873+6.4%Added
Franklin Resources Inc3,784,366$30.5M0.02%+2,467,498+187.4%Added
Avoro Capital Advisors LLC3,150,000$25.4M0.40%00.0%Unchanged
Jennison Associates LLC2,955,343$23.8M0.02%+1,089,913+58.4%Added
Adage Capital Partners GP, L.L.C.2,904,476$23.4M0.05%+173,226+6.3%Added
Cormorant Asset Management, LP2,625,000$21.1M1.23%+2,625,000New
Vanguard Group Inc2,577,475$20.7M0.00%+31,233+1.2%Added
Lion Point Capital, LP2,145,337$17.3M15.80%−112,184−5.0%Reduced
Bleichroeder LP1,872,463$15.1M3.71%00.0%Unchanged
GMT Capital Corp1,722,695$13.9M0.52%+167,700+10.8%Added
Bain Capital Life Sciences Investors, LLC1,431,058$11.5M1.29%00.0%Unchanged
Point72 Asset Management, L.P.1,065,037$8.57M0.03%−260,144−19.6%Reduced
Geode Capital Management, LLC1,044,948$8.41M0.00%+97,886+10.3%Added
State Street Corp995,555$8.01M0.00%+96,277+10.7%Added
Sofinnova Investments, Inc.985,606$7.93M0.55%+22,987+2.4%Added
Ikarian Capital, LLC746,069$6.01M2.23%+134,137+21.9%Added
Woodline Partners LP631,520$5.08M0.06%−168,480−21.1%Reduced
Opaleye Management Inc.584,000$4.70M1.54%−41,000−6.6%Reduced
Assenagon Asset Management S.A.511,193$4.12M0.01%−171,298−25.1%Reduced
Citadel Advisors LLC478,009$3.85M0.00%+175,697+58.1%Added
Boothbay Fund Management, LLC453,872$3.65M0.13%+40,661+9.8%Added
Northern Trust Corp430,227$3.46M0.00%+8,383+2.0%Added
Walleye Capital LLC340,600$2.74M0.04%−19,645−5.5%Reduced
International Biotechnology Trust PLC290,000$2.34M0.79%+200,000+222.2%Added
Prudential Financial Inc271,280$2.23M0.00%00.0%Unchanged
Jefferies Financial Group Inc.254,734$2.05M0.05%+713+0.3%Added
Schonfeld Strategic Advisors LLC253,412$2.04M0.02%+103,935+69.5%Added
Bank of New York Mellon Corp163,404$1.32M0.00%−366−0.2%Reduced
Wellington Management Group LLP155,844$1.25M0.00%−1,134−0.7%Reduced
Simplify Asset Management Inc.150,000$1.21M0.20%00.0%Unchanged
Charles Schwab Investment Management Inc138,929$1.12M0.00%+3,864+2.9%Added
Jane Street Group, LLC138,867$1.12M0.00%−19,471−12.3%Reduced
Nuveen Asset Management, LLC138,277$1.11M0.00%−1,200−0.9%Reduced
Susquehanna International Group, LLP133,090$1.07M0.00%+67,573+103.1%Added
Altium Capital Management LP125,033$1.01M0.58%+125,033New
Goldman Sachs Group Inc116,201$935.4K0.00%+50,678+77.3%Added
Victory Capital Management Inc94,550$761.1K0.00%+35,890+61.2%Added
Alpha DNA Investment Management LLC77,083$620.5K0.40%+77,083New
Rhumbline Advisers70,705$569.2K0.00%+3,803+5.7%Added
AE Wealth Management LLC69,230$557.3K0.00%+69,230New
Mach-1 Financial Group, Inc.68,203$549.0K0.23%+68,203New
UBS Group AG56,144$452.0K0.00%+20,171+56.1%Added
Two Sigma Investments, LP54,105$435.5K0.00%−168,379−75.7%Reduced
Bank of America Corp52,848$425.4K0.00%+15,540+41.7%Added
Putnam Investments LLC51,708$416.3K0.00%+51,708New
Morgan Stanley47,147$379.5K0.00%−51,624−52.3%Reduced
JPMorgan Chase & Co43,951$353.8K0.00%+3,667+9.1%Added
Invesco Ltd.43,942$353.7K0.00%−385,063−89.8%Reduced
Worth Venture Partners, LLC42,400$341.3K0.20%+15,600+58.2%Added
Grimes & Company, Inc.34,861$280.6K0.01%+110+0.3%Added
Alliancebernstein L.P.34,690$279.3K0.00%+8,700+33.5%Added
Belvedere Trading LLC32,711$263.3K0.04%−5,072−13.4%Reduced
Dimensional Fund Advisors LP32,089$258.3K0.00%00.0%Unchanged
Moore Capital Management, LP31,181$251.0K0.01%−43,819−58.4%Reduced
Price T Rowe Associates Inc27,369$221.0K0.00%+1,571+6.1%Added
Denali Advisors LLC26,600$214.1K0.08%−26,000−49.4%Reduced
MetLife Investment Management26,356$212.2K0.00%00.0%Unchanged
Deutsche Bank AG25,961$209.0K0.00%+3,321+14.7%Added
American International Group, Inc.25,307$203.7K0.00%+1,325+5.5%Added
Mirae Asset Global Investments Co., Ltd.25,270$203.4K0.00%+46+0.2%Added
Voya Investment Management LLC20,648$166.2K0.00%+585+2.9%Added
New York State Common Retirement Fund20,046$161.4K0.00%+546+2.8%Added
Manufacturers Life Insurance Company, The20,035$161.3K0.00%+41+0.2%Added
Two Sigma Advisers, LP19,725$158.8K0.00%−54,300−73.4%Reduced
Walleye Trading LLC19,683$158.4K0.00%−25,543−56.5%Reduced
Acuta Capital Partners, LLC19,500$157.0K0.11%+19,500New
Sherbrooke Park Advisers LLC17,539$141.2K0.04%+17,539New
Caption Management, LLC16,200$130.4K0.02%+16,200New
Balyasny Asset Management LLC15,873$127.8K0.00%+15,873New
State Board of Administration of Florida Retirement System14,470$116.5K0.00%+320+2.3%Added
Values First Advisors, Inc.13,461$108.4K0.07%−2,784−17.1%Reduced
Wolverine Trading, LLC13,202$106.3K0.00%+13,202New
D. E. Shaw & Co., Inc.11,400$91.8K0.00%−343,348−96.8%Reduced
California State Teachers Retirement System11,189$90.1K0.00%−5,385−32.5%Reduced
Wells Fargo & Company10,671$85.9K0.00%−10,096−48.6%Reduced
Barclays PLC9,012$72.5K0.00%−48,872−84.4%Reduced
Simplex Trading, LLC7,895$63.0K0.00%−83,840−91.4%Reduced
Amalgamated Bank7,554$61.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)7,541$60.7K0.00%+3,661+94.4%Added
Royal Bank of Canada6,857$55.0K0.00%−582−7.8%Reduced
Advisor Group Holdings, Inc.6,039$48.6K0.00%+5,515+1,052.5%Added
Legal & General Group Plc5,724$46.1K0.00%−312−5.2%Reduced
Group One Trading, L.P.5,094$41.0K0.00%−17,915−77.9%Reduced
BluePath Capital Management, LLC4,730$38.1K0.03%+4,730New
FMR LLC4,541$36.6K0.00%+122+2.8%Added
Ameritas Investment Partners, Inc.4,114$33.1K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)2,914$23.5K0.00%−946−24.5%Reduced
Metropolitan Life Insurance Co2,731$22.0K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.1,304$10.5K0.00%+642+97.0%Added
Macroview Investment Management LLC1,287$10.4K0.01%+1,287New
Impact Partnership Wealth, LLC749$6.03K0.00%+749New
Citigroup Inc655$5.27K0.00%−15,041−95.8%Reduced
Quadrant Capital Group LLC278$2.24K0.00%+278New
Lindbrook Capital, LLC242$1.95K0.00%+242New
Signaturefd, LLC187$1.50K0.00%+187New
Fifth Third Bancorp115$9260.00%00.0%Unchanged
Parallel Advisors, LLC60$4830.00%00.0%Unchanged
Federated Hermes, Inc.50$4030.00%−81,914−99.9%Reduced