Marinus Pharmaceuticals Inc (MRNS) Ownership

0.55 ↑0.00 (0.00%)
As of December 31, 1969, 7:00pm EST.

Institutional Ownership

Suvretta Capital Management, LLC is the biggest individual institutional holder of Marinus Pharmaceuticals Inc (MRNS), owning a total of 5.1 million shares. Combined, the top 60 institutional holders of MRNS own 151.07% of the company with a total of 82.3 million shares.

In the latest ownership report on December 31st 2024, the top 60 institutional holders increased their combined ownership of MRNS by 8.6 million shares. 11 institutions bought 13,103,377 total additional shares and increased their ownership by an average of 1,409.06%. However 5 institutions sold 4,522,343 total shares and decreased their ownership by an average of 36.44%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of Marinus Pharmaceuticals increased by a net total of 8,581,034 in the latest quarter.

Institution Ownership Chart

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Latest Institutional Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Beryl Capital Management LLC7.656%0.000%4,227,4604,227,4602024-12-31
Morgan Stanley - Brokerage Accounts5.975%1,898.710%3,299,2293,134,1612024-12-31
ODDO BHF Asset Management SAS4.890%0.000%2,700,0002,700,0002024-12-31
Bain Capital Life Sciences Investors, LLC4.878%0.000%2,693,38002024-12-31
aberdeen group PLC4.815%0.000%2,658,52702024-12-31
abrdn PLC4.815%0.000%2,658,52702024-12-31
Vanguard Group Inc4.703%-7.356%2,596,768-206,1972024-12-31
Woodline Partners LP4.230%84.745%2,335,6811,071,4102024-12-31
GSA Capital Partners LLP3.328%80.743%1,837,491820,8572024-12-31
TANG CAPITAL MANAGEMENT LLC2.974%-65.065%1,641,945-3,058,0552024-12-31
BlackRock Inc1.600%-52.470%883,675-975,5342024-12-31
Geode Capital Management, LLC0.958%-6.942%529,053-39,4642024-12-31
Citadel Advisors Llc0.909%108.777%501,911261,5062024-12-31
JPMorgan Chase & Co0.883%83.039%487,584221,2022024-12-31
Schroder Investment Management Group0.525%0.000%290,00002024-12-31
UBS Group AG0.469%11,367.800%258,944256,6862024-12-31
Royal Bank of Canada0.451%303.417%249,138187,3812024-12-31
Millennium Management LLC0.434%-50.381%239,414-243,0932024-12-31
State Street Corp0.403%7.798%222,57616,1002024-12-31
XTX Topco Ltd0.398%1,564.660%219,819206,6142024-12-31

Top Institutions

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Suvretta Capital Management, LLC9.189%32.825%5,073,9131,253,9012024-09-30
Franklin Resources Inc8.535%34.922%4,713,0141,219,8712024-09-30
Sofinnova Ventures7.943%5.651%4,386,177234,6012024-09-30
Beryl Capital Management LLC7.656%0.000%4,227,4604,227,4602024-12-31
venBio Select Advisor LLC7.538%31.448%4,140,607990,6072024-03-31
Morgan Stanley - Brokerage Accounts5.975%1,898.710%3,299,2293,134,1612024-12-31
Cormorant Asset Management, LLC5.916%0.000%3,250,00002024-03-31
ODDO BHF Asset Management SAS4.890%0.000%2,700,0002,700,0002024-12-31
Bain Capital Life Sciences Investors, LLC4.878%0.000%2,693,38002024-12-31
aberdeen group PLC4.815%0.000%2,658,52702024-12-31
abrdn PLC4.815%0.000%2,658,52702024-12-31
Vanguard Group Inc4.703%-7.356%2,596,768-206,1972024-12-31
Eventide Asset Management, LLC4.272%-48.200%2,346,526-2,183,4712024-03-31
Woodline Partners LP4.230%84.745%2,335,6811,071,4102024-12-31
Adage Capital Partners Gp LLC4.244%-9.685%2,331,250-250,0002024-03-31
Bleichroeder LP3.391%0.000%1,872,46302024-09-30
GSA Capital Partners LLP3.328%80.743%1,837,491820,8572024-12-31
VR Adviser, LLC3.565%-43.908%1,770,705-1,386,0982022-12-31
Antara Capital LP3.421%70.426%1,698,794702,0002022-12-31
TANG CAPITAL MANAGEMENT LLC2.974%-65.065%1,641,945-3,058,0552024-12-31
GMT Capital Corp2.966%-5.418%1,629,364-93,3312024-03-31
Jennison Associates LLC2.667%-50.461%1,469,285-1,496,5982024-06-30
AIGH Capital Management, LLC2.640%0.000%1,336,1501,336,1502023-03-31
State Street Corporation2.145%17.480%1,181,744175,8372024-03-31
Point72 Asset Management, L.P.1.949%-19.631%1,065,037-260,1442023-09-30
683 Capital Management LLC1.965%-48.684%975,000-925,0002022-09-30
BlackRock Inc1.600%-52.470%883,675-975,5342024-12-31
Balyasny Asset Management LLC1.546%0.000%849,447849,4472024-03-31
Walleye Trading Advisors, LLC1.663%193.271%840,757554,0742022-12-31
Ikarian Capital, LLC1.279%0.000%706,15402024-09-30
Lion Point Capital, LP1.256%-67.195%693,778-1,421,0492024-09-30
Barclays PLC1.271%3,441.810%643,015624,8602023-03-31
Goldman Sachs Group Inc1.055%327.017%582,097445,7802024-06-30
SUPERSTRING CAPITAL MANAGEMENT LP1.030%22.296%565,550103,1062024-03-31
Opaleye Management Inc1.026%-3.510%563,500-20,5002023-12-31
Geode Capital Management, LLC0.958%-6.942%529,053-39,4642024-12-31
Logos Global Management LP1.037%0.000%525,000525,0002023-06-30
Jefferies Financial Group Inc0.997%1.825%503,7939,0292023-03-31
Renaissance Technologies Corp0.909%-19.255%501,931-119,6942024-09-30
Citadel Advisors Llc0.909%108.777%501,911261,5062024-12-31
Susquehanna International Group, LLP0.909%383.008%501,797397,9072024-06-30
Jefferies Group Inc0.996%0.000%494,76402022-09-30
JPMorgan Chase & Co0.883%83.039%487,584221,2022024-12-31
Granite Point Capital Management LP0.951%0.000%472,05602022-09-30
Tekla Capital Management LLC0.920%0.000%456,780456,7802023-03-31
Assenagon Asset Management SA0.804%70.324%444,185183,3962024-09-30
Bank of Montreal0.778%0.000%429,600429,6002024-09-30
BMO Capital Markets Corp.0.778%0.000%429,600429,6002024-09-30
Jacobs Levy Equity Management, Inc.0.750%39.478%414,269117,2552024-09-30
Northern Trust Corp0.733%-14.031%403,711-65,8872024-06-30
Ally Bridge Group (NY) LLC0.717%0.000%394,773394,7732024-03-31
Prudential Financial Inc0.698%0.000%385,25002024-09-30
Prudential Investment Management Inc0.698%0.000%385,25002024-09-30
Rubric Capital Management LP0.635%0.000%315,27702022-09-30
Schroder Investment Management Group0.525%0.000%290,00002024-12-31
UBS Group AG0.469%11,367.800%258,944256,6862024-12-31
Royal Bank of Canada0.451%303.417%249,138187,3812024-12-31
Millennium Management LLC0.434%-50.381%239,414-243,0932024-12-31
State Street Corp0.403%7.798%222,57616,1002024-12-31
XTX Topco Ltd0.398%1,564.660%219,819206,6142024-12-31

Mutual Fund Ownership

Franklin Biotechnology Discv A(acc)USD is the biggest individual fund holder of Marinus Pharmaceuticals Inc (MRNS), owning a total of 3 million shares. Combined, the top 83 mutual fund holders of MRNS own 44.57% of the company with a total of 24.3 million shares.

In the latest ownership report on January 31st 2025, the top 83 fund holders increased their combined ownership of MRNS by 3 thousand shares. 3 funds bought 4,487 total additional shares and increased their ownership by an average of 3.70%. However 4 funds sold 7,155 total shares and decreased their ownership by an average of 0.49%.

Overall this is a negative sign as the number of shares owned by the top 20 mutual funds holding Marinus Pharmaceuticals decreased by a net total of -2,668 in the latest report.

Mutual Funds Chart

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Latest Mutual Fund Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Vanguard Total Stock Mkt Idx Inv3.133%0.000%1,730,19002025-01-31
abrdn Healthcare Investors2.772%-0.102%1,530,844-1,5562025-01-31
abrdn Life Sciences Investors2.037%-0.102%1,124,983-1,1442025-01-31
Vanguard Institutional Extnd Mkt Idx Tr1.469%0.000%811,00002025-01-31
Fidelity Extended Market Index0.499%-1.496%275,322-4,1822025-01-31
iShares Micro-Cap ETF0.235%0.000%129,58902025-01-31
Fidelity Total Market Index0.176%-0.280%97,393-2732025-01-31
iShares Core S&P Total US Stock Mkt ETF0.148%0.039%81,655322025-01-31
Fidelity Series Total Market Index0.122%0.000%67,28202025-01-31
Spartan Extended Market Index Pool E0.081%10.338%44,6334,1822025-01-31
Spartan Total Market Index Pool E0.070%0.709%38,7722732025-01-31
Vanguard Balanced Index Inv0.068%0.000%37,35002025-01-31
Vanguard U.S. Eq Idx £ Acc0.033%0.000%18,22802025-01-31
State St US Extended Mkt Indx NL Cl C0.028%0.000%15,65002025-01-31
1290 VT Micro Cap K0.020%0.000%10,86402025-01-31
Fidelity Nasdaq Composite Index0.009%0.000%5,16402025-01-31

Top Mutual Funds

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Franklin Biotechnology Discv A(acc)USD5.412%30.302%2,986,827694,6002024-09-30
Eventide Healthcare & Life Sciences I4.260%-48.200%2,346,526-2,183,4712024-03-31
Vanguard Total Stock Mkt Idx Inv3.133%0.000%1,730,19002025-01-31
Franklin Biotechnology Discovery A3.128%43.738%1,725,981525,2002024-09-30
abrdn Healthcare Investors2.772%-0.102%1,530,844-1,5562025-01-31
iShares Russell 2000 ETF2.495%0.767%1,370,47910,4282024-05-30
abrdn Life Sciences Investors2.037%-0.102%1,124,983-1,1442025-01-31
Jennison Health Sciences Equity1.532%-51.110%844,039-882,3492024-06-30
PGIM Jennison Health Sciences Z1.532%0.000%844,03902024-08-31
Vanguard Institutional Extnd Mkt Idx Tr1.469%0.000%811,00002025-01-31
Vanguard Extended Market Index Investor1.295%-0.032%655,452-2122023-08-31
Fidelity Small Cap Index0.986%0.000%542,98202024-06-30
Fidelity® Small Cap Index0.901%2.158%491,65010,3842023-10-31
iShares Russell 2000 Growth ETF0.838%0.000%460,11302024-05-30
MEDICAL BioHealth EUR Acc0.908%-40.609%459,302-314,0522023-05-31
iShares Biotechnology ETF0.611%0.000%337,12602024-11-30
State St Russell Sm/Mid Cp® Indx NL Cl C0.568%-7.876%312,300-26,7002024-06-30
International Biotechnology Ord0.525%0.000%290,00002024-11-30
Fidelity Extended Market Index0.499%-1.496%275,322-4,1822025-01-31
Fidelity® Extended Market Index0.501%0.000%273,53902023-11-30
Invesco Dorsey Wright SmallCap Momt ETF0.472%0.000%257,88602023-09-30
Fidelity® Select Biotechnology0.504%0.000%249,96502022-10-31
Invesco DWA SmallCap Momentum ETF0.492%0.000%249,15302023-07-31
APO Medical Opportunities R0.466%-7.496%235,779-19,1052023-05-31
Vanguard Russell 2000 ETF0.369%-0.775%202,898-1,5842024-05-31
State St Russell Sm Cap® Indx NL Cl C0.336%0.000%183,60002023-09-30
State St Russell Sm Cap® Indx SL Cl I0.334%0.000%183,60002024-05-31
Vanguard VIF Small Co Gr0.310%0.000%171,21102024-09-30
EAM Ultra Micro Cap0.313%0.000%170,90102023-07-31
Victory Science & Technology0.289%-41.676%158,789-113,4652024-03-31
NT R2000 Growth Index Fund - NL0.280%3.333%154,2644,9752023-12-31
Invesco DWA Healthcare Momentum ETF0.303%0.000%153,14702023-07-31
Simplify Propel Opportunities ETF0.275%0.000%150,00002023-11-30
iShares Micro-Cap ETF0.235%0.000%129,58902025-01-31
Schwab Small Cap Index0.226%0.000%124,16602024-05-31
RIM Global Bioscience EUR0.241%0.000%121,78802023-03-31
Northern Trust Russell 2000 Growth Index0.218%1.930%120,3022,2782024-06-30
NT R2000 Growth Index Fund - L0.218%1.930%120,3022,2782024-06-30
BlackRock Extended Equity Market K0.204%-0.043%112,766-482024-09-30
NT R2000 Index Fund - NL0.201%-27.409%110,468-41,7102024-06-30
BlackRock Extended Mkt Composite0.198%25.222%100,12520,1672023-03-31
Fidelity Total Market Index0.176%-0.280%97,393-2732025-01-31
NT R2000 Index Fund - DC - NL - 20.159%-27.667%87,415-33,4352024-06-30
Russell 2000 Index Non-Lendable Fund E0.163%0.000%82,56082,5602023-06-30
iShares Core S&P Total US Stock Mkt ETF0.148%0.039%81,655322025-01-31
Fidelity® Total Market Index0.152%0.000%76,78602023-04-30
Hussman Strategic Growth0.127%0.000%70,00070,0002024-03-31
Hussman Strategic Market Cycle Fund0.127%0.000%70,00070,0002024-03-31
Fidelity Series Total Market Index0.122%0.000%67,28202025-01-31
Fidelity® Series Total Market Index0.120%8.262%60,4334,6122023-04-30
Russell Personalized DI All Cap SMA0.098%0.000%54,13802024-06-30
NT Ext Equity Mkt Idx Fd - NL0.098%0.000%54,11702024-12-31
Bridgeway Ultra-Small Company Market0.091%0.000%50,00050,0002024-09-30
Northern Trust Extended Eq Market Idx0.089%0.000%48,87502024-12-31
NT Ext Equity Mkt Idx Fd - L0.089%0.000%48,87502024-12-31
Spartan Extended Market Index Pool E0.081%10.338%44,6334,1822025-01-31
T. Rowe Price U.S. Equities Tr0.080%0.000%44,20002024-12-31
Pleiades Small Cap Equity A0.087%0.000%43,37443,3742023-03-31
NT Ext Equity Mkt Idx Fd - DC - NL - T20.078%-1.626%42,893-7092024-12-31
Spartan Total Market Index Pool E0.070%0.709%38,7722732025-01-31
Vanguard Balanced Index Inv0.068%0.000%37,35002025-01-31
Vanguard Instl Ttl Stck Mkt Idx Tr0.063%0.000%34,98602024-09-30
ALPS Medical Breakthroughs ETF0.064%0.000%31,89202023-02-28
Vanguard Instl Ttl Stk Mkt Idx InstlPls0.052%0.000%26,00502022-11-30
Vanguard U.S. Eq Idx £ Acc0.033%0.000%18,22802025-01-31
State St US Extended Mkt Indx NL Cl C0.028%0.000%15,65002025-01-31
Vifag 2002 SICAV0.027%0.000%15,00002024-09-30
U.S. Equity Market Fund F0.024%-0.046%13,126-62024-12-31
NT Ext Eq Mkt Indx Fd DC Lend T30.021%0.000%11,64611,6462024-12-31
NT Ext Eq Mkt Indx Fd DC Lend T40.021%0.000%11,64611,6462024-12-31
NT Ext Eq Mkt Indx Fd DC Lending Tier 50.021%54.415%11,6464,1042024-12-31
1290 VT Micro Cap K0.020%0.000%10,86402025-01-31
SSgA Russell 3000 Index Strategy0.015%0.000%8,20002024-06-30
China Universal NASDAQ Bio-Tch ETF(QDII)0.012%2.347%6,4551482024-06-30
SSgA U.S. Total Market Index Strategy0.012%8.283%6,4194912024-06-30
SSgA Russell Small Cap Completeness Idx0.010%0.000%5,50002024-06-30
Fidelity Nasdaq Composite Index0.009%0.000%5,16402025-01-31
SSgA Russell 2000 Growth Index Strategy0.007%0.000%3,69802024-06-30
BNYM Mellon SL Market Completion UC10.006%1.860%3,560652024-12-31
Northern Trust Wilshire 50000.006%0.000%3,48702024-12-31
CIBC US Broad Market Index0.003%0.000%1,86202024-12-31
BNYM Mellon NSL Mkt Completion Fund Inst0.001%-0.443%675-32024-12-31
Guggenheim Active Allocation Fund0.000%0.000%22002024-11-30

Discussions

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turkeyday336/28/25 09:42am

$MRNS Markets about as efficient as a retirement home

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tighttechniq4/2/25 09:33am

$MRNS this market love evrry dips let’s see

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