Marinus PharmaceuticalsMRNS

13F holders, Q2 2024 (June 30)
90holders −22
30new positions
54sold out
4famous investors
$1.17avg. 13F price*

At the end of Q2 2024, 90 institutions reported holding Marinus Pharmaceuticals Inc. (MRNS) in their 13F filings, down 22 from Q1 2024. 30 opened new positions and 54 sold out. The largest holders were Tang Capital Management LLC ($5.6M), Sofinnova Investments, Inc. ($4.9M) and Woodline Partners LP ($4.7M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).

Company
Marinus Pharmaceuticals Inc.
CUSIP
56854Q200
Latest filing quarter
Q4 2024

History

Number of 13F holders

050100150 Q1 2024: 112Q1 2024Q2 2024: 90Q2 2024Q3 2024: 75Q3 2024Q4 2024: 53Q4 2024

Total Exit/New Position Q1 2024 → Q2 2024

InstitutionsTotal Value
New Positions30$9.4M
Exits54$162.8M

All 13F filers, Q1 2024 → Q2 2024: 16,872,671 shares bought and 27,453,295 shares sold, net −10,580,624 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 90 holders

Tang Capital Management LLC 0.57% New 4,800,000 $5.6M
Sofinnova Investments, Inc. 0.31% Add +196.3% 4,151,576 $4.9M
Woodline Partners LP 0.04% Add +235.3% 3,979,605 $4.7M
Montanova Capital, LLC 0.18% Reduce -25.2% 3,820,012 $4.5M
Franklin Resources Inc. 0.00% Reduce 0.0% 3,493,143 $4.1M
Vanguard Group Inc. 0.00% Reduce -0.1% 2,802,965 $3.3M
Bain Capital Life Sciences Investors, LLC 0.29% Add +62.8% 2,267,680 $2.7M
Lion Point Capital, LP 7.75% Reduce -0.2% 2,114,827 $2.5M
Bleichroeder LP 0.65% No change 1,872,463 $2.2M
BlackRock Inc. 0.00% Reduce -60.4% 1,869,949 $2.2M
Jennison Associates LLC 0.00% Reduce -50.5% 1,469,285 $1.7M
Aberdeen Group plc 0.00% Add +95.5% 1,080,198 $1.3M
Millennium Management 0.00% New 718,580 $841K
Ikarian Capital, LLC 0.26% Add +31.3% 706,154 $826K
Acadian Asset Management LLC 0.00% New 695,972 $813K
Renaissance Technologies 0.00% New 621,625 $727K
Geode Capital Management, LLC 0.00% Reduce -49.2% 617,395 $723K
Goldman Sachs Group Inc. 0.00% Add +327.0% 582,097 $681K
Susquehanna International Group, LLP 0.00% Add +383.0% 501,797 $587K
Northern Trust Corp. 0.00% Reduce -14.0% 403,711 $472K
Prudential Financial Inc. 0.00% Reduce -1.3% 385,250 $451K
Jacobs Levy Equity Management, Inc. 0.00% Add +599.7% 297,014 $348K
Schroder Investment Management Group 0.00% No change 290,000 $339K
Superstring Capital Management LP 0.39% Reduce -53.7% 261,861 $306K
Assenagon Asset Management S.A. 0.00% Reduce -3.8% 260,789 $305K
Qube Research & Technologies Ltd 0.00% Add +240.2% 240,734 $282K
State Street Corp. 0.00% Reduce -82.5% 206,476 $242K
Jane Street Group, LLC 0.00% Add +21.6% 204,185 $239K
Gsa Capital Partners LLP 0.02% New 199,584 $234K
XTX Topco Ltd 0.02% New 197,940 $232K
Boothbay Fund Management, LLC 0.01% Add +31.7% 185,996 $218K
Morgan Stanley 0.00% Reduce -55.9% 179,812 $210K
Squarepoint Ops LLC 0.00% New 175,735 $206K
Graham Capital Management, L.P. 0.01% Add +611.0% 146,215 $171K
Alpine Global Management, LLC 0.03% New 134,646 $158K
Y-Intercept (Hong Kong) Ltd 0.01% Add +315.1% 106,942 $125K
Centiva Capital, LP 0.01% New 92,933 $109K
Hussman Strategic Advisors, Inc. 0.03% Add +14.3% 84,000 $98K
Bank of America Corp. 0.00% Reduce -16.9% 75,350 $88K
Simplex Trading, LLC 0.00% Reduce -29.5% 65,041 $76K
Values First Advisors, Inc. 0.04% Add +501.8% 62,671 $73K
Paloma Partners Management Co 0.01% New 62,400 $73K
Citigroup Inc. 0.00% Add +312.5% 56,568 $66K
Point72 Asia (Singapore) Pte. Ltd. 0.01% New 54,878 $64K
T. Rowe Price Associates Inc. 0.00% Add +42.9% 44,200 $52K
Two Sigma Advisers, LP 0.00% Reduce -0.2% 42,625 $50K
Jefferies Financial Group Inc. 0.00% Reduce -21.6% 41,686 $49K
Prospera Financial Services Inc 0.00% New 41,144 $48K
Barclays PLC 0.00% Reduce -52.0% 36,399 $43K
HRT Financial LP 0.00% New 36,716 $42K
GRIMES & Co WEALTH MANAGEMENT, LLC 0.00% Add +0.2% 33,609 $39K
AQR Capital Management 0.00% Add +70.3% 31,333 $37K
Schonfeld Strategic Advisors LLC 0.00% New 30,100 $35K
SG Americas Securities, LLC 0.00% New 29,178 $34K
Rhumbline Advisers 0.00% Reduce -62.8% 28,709 $34K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% — 27,659 $32K
Coppell Advisory Solutions LLC 0.01% — 3,092 $31K
Point72 (DIFC) Ltd 0.00% New 23,698 $28K
Engineers Gate Manager LP 0.00% New 21,028 $25K
Verition Fund Management LLC 0.00% New 20,522 $24K
Tower Research Capital LLC (TRC) 0.00% Add +5351.7% 19,517 $23K
Ground Swell Capital, LLC 0.02% New 19,316 $23K
UBS Group AG 0.00% Reduce -84.6% 19,045 $22K
Osaic Holdings, Inc. 0.00% Add +161.1% 15,801 $18K
Jump Financial, LLC 0.00% New 13,334 $16K
Commonwealth Equity Services, LLC 0.00% New 11,633 $14K
Catalyst Funds Management Pty Ltd 0.00% New 10,800 $13K
ProShare Advisors LLC 0.00% Reduce -21.5% 10,724 $13K
FMR LLC 0.00% Add +266.2% 10,704 $13K
Group One Trading LLC 0.00% Add +175.0% 7,603 $9K
China Universal Asset Management Co., Ltd. 0.00% Reduce -38.3% 6,455 $8K
JPMorgan Chase & Co. 0.00% Reduce -80.9% 6,439 $8K
Federated Hermes, Inc. 0.00% New 5,826 $7K
Russell Investments Group, Ltd. 0.00% New 4,487 $5K
Citadel Advisors 0.00% Reduce -99.7% 3,565 $4K
Macquarie Group Ltd. 0.00% New 2,749 $3K
Mirae Asset Global Investments Co., Ltd. 0.00% New 1,640 $2K
State of Wyoming 0.00% New 1,688 $2K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Reduce -4.0% 1,683 $2K
1620 Investment Advisors, Inc. 0.00% New 1,000 $1K
Royal Bank of Canada 0.00% Reduce -53.6% 1,061 $1K
New York State Common Retirement Fund 0.00% Reduce -97.3% 460 $538
Principal Securities, Inc. 0.00% New 457 $535
Macroview Investment Management LLC 0.00% No change 351 $411
Caption Management, LLC 0.00% Reduce -99.7% 200 $234
Fifth Third Bancorp 0.00% No change 115 $135
Farther Finance Advisors, LLC 0.00% Add +485.7% 82 $105
Harbor Investment Advisory, LLC 0.00% No change 37 $43
Daiwa Securities Group Inc. 0.00% No change 202 $0
Cwm, LLC 0.00% New 5 $0

"% of holder's portfolio" is MRNS's weight in each manager's 13F, not the share of Marinus Pharmaceuticals Inc. the manager owns.