Marinus PharmaceuticalsMRNS
13F holders, Q3 2024 (September 30)75holders −15
10new positions
25sold out
4famous investors
$1.76avg. 13F price*
At the end of Q3 2024, 75 institutions reported holding Marinus Pharmaceuticals Inc. (MRNS) in their 13F filings, down 15 from Q2 2024. 10 opened new positions and 25 sold out. The largest holders were Montanova Capital, LLC ($8.9M), Franklin Resources Inc. ($8.5M) and Tang Capital Management LLC ($8.3M). 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 Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Marinus Pharmaceuticals Inc.
- CUSIP
- 56854Q200
- Latest filing quarter
- Q4 2024
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 10 | $1.3M |
| Exits | 25 | $3.1M |
All 13F filers, Q2 2024 → Q3 2024: 7,557,844 shares bought and 9,447,532 shares sold, net −1,889,688 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 75 holders
| Montanova Capital, LLC | 0.32% | Add +32.8% | 5,073,913 | $8.9M |
| Franklin Resources Inc. | 0.00% | Add +34.9% | 4,713,014 | $8.5M |
| Tang Capital Management LLC | 0.59% | Reduce -2.1% | 4,700,000 | $8.3M |
| Sofinnova Investments, Inc. | 0.64% | Add +5.7% | 4,386,177 | $7.7M |
| Vanguard Group Inc. | 0.00% | No change | 2,802,965 | $4.9M |
| Bain Capital Life Sciences Investors, LLC | 0.49% | Add +18.8% | 2,693,380 | $4.7M |
| Aberdeen Group plc | 0.01% | Add +146.1% | 2,658,527 | $4.7M |
| Bleichroeder LP | 0.89% | No change | 1,872,463 | $3.3M |
| BlackRock, Inc. | 0.00% | — | 1,859,209 | $3.3M |
| Woodline Partners LP | 0.02% | Reduce -68.2% | 1,264,271 | $2.2M |
| Gsa Capital Partners LLP | 0.14% | Add +409.4% | 1,016,634 | $1.8M |
| Acadian Asset Management LLC | 0.01% | Add +30.8% | 910,341 | $1.6M |
| Ikarian Capital, LLC | 0.39% | No change | 706,154 | $1.2M |
| Lion Point Capital, LP | 4.90% | Reduce -67.2% | 693,778 | $1.2M |
| Geode Capital Management, LLC | 0.00% | Reduce -7.9% | 568,517 | $1.0M |
| Renaissance Technologies | 0.00% | Reduce -19.3% | 501,931 | $883K |
| Millennium Management | 0.00% | Reduce -32.9% | 482,507 | $849K |
| Assenagon Asset Management S.A. | 0.00% | Add +70.3% | 444,185 | $782K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Add +39.5% | 414,269 | $729K |
| Prudential Financial Inc. | 0.00% | No change | 385,250 | $678K |
| Bank of Montreal | 0.00% | New | 429,600 | $608K |
| Schroder Investment Management Group | 0.00% | No change | 290,000 | $534K |
| Bank of America Corp. | 0.00% | Add +263.1% | 273,610 | $482K |
| Citadel Advisors | 0.00% | Add +6643.5% | 240,405 | $423K |
| State Street Corp. | 0.00% | No change | 206,476 | $363K |
| Boothbay Fund Management, LLC | 0.01% | No change | 185,996 | $327K |
| D. E. Shaw & Co. | 0.00% | New | 178,801 | $315K |
| Morgan Stanley | 0.00% | Reduce -8.2% | 165,068 | $291K |
| JPMorgan Chase & Co. | 0.00% | Add +1968.5% | 133,191 | $234K |
| Northern Trust Corp. | 0.00% | Reduce -70.8% | 117,862 | $207K |
| Squarepoint Ops LLC | 0.00% | Reduce -57.8% | 74,223 | $131K |
| Susquehanna International Group, LLP | 0.00% | Reduce -85.3% | 73,879 | $130K |
| Schonfeld Strategic Advisors LLC | 0.00% | Add +124.9% | 67,698 | $119K |
| Values First Advisors, Inc. | 0.06% | Add +6.9% | 67,004 | $118K |
| Royal Bank of Canada | 0.00% | Add +5720.6% | 61,757 | $109K |
| World Investment Advisors | 0.00% | New | 59,320 | $104K |
| Simplex Trading, LLC | 0.00% | Reduce -17.5% | 53,637 | $94K |
| Bridgeway Capital Management, LLC | 0.00% | New | 50,000 | $88K |
| Two Sigma Investments, LP | 0.00% | New | 47,665 | $84K |
| Jane Street Group, LLC | 0.00% | Reduce -77.7% | 45,549 | $80K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 44,200 | $78K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -93.1% | 40,077 | $71K |
| Qube Research & Technologies Ltd | 0.00% | Reduce -86.0% | 33,639 | $59K |
| GRIMES & Co WEALTH MANAGEMENT, LLC | 0.00% | No change | 33,609 | $59K |
| Engineers Gate Manager LP | 0.00% | Add +40.2% | 29,482 | $52K |
| Algert Global LLC | 0.00% | New | 29,370 | $52K |
| Two Sigma Advisers, LP | 0.00% | Reduce -53.7% | 19,725 | $35K |
| Point72 Asia (Singapore) Pte. Ltd. | 0.01% | Reduce -64.9% | 19,278 | $34K |
| Coppell Advisory Solutions LLC | 0.00% | No change | 3,092 | $31K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -29.5% | 13,765 | $24K |
| Atria Investments, Inc | 0.00% | New | 13,310 | $23K |
| XTX Topco Ltd | 0.00% | Reduce -93.3% | 13,205 | $23K |
| Commonwealth Equity Services, LLC | 0.00% | Add +8.5% | 12,618 | $22K |
| Group One Trading LLC | 0.00% | Add +53.8% | 11,694 | $21K |
| Osaic Holdings, Inc. | 0.00% | Reduce -30.4% | 11,001 | $19K |
| Performance Wealth Partners, LLC | 0.00% | New | 11,000 | $19K |
| Catalyst Funds Management Pty Ltd | 0.00% | No change | 10,800 | $19K |
| China Universal Asset Management Co., Ltd. | 0.00% | Add +64.1% | 10,594 | $19K |
| Balyasny Asset Management L.P. | 0.00% | New | 10,006 | $18K |
| FMR LLC | 0.00% | Reduce -36.9% | 6,751 | $12K |
| Federated Hermes, Inc. | 0.00% | Reduce -35.8% | 3,740 | $7K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -42.7% | 2,572 | $5K |
| UBS Group AG | 0.00% | Reduce -88.1% | 2,258 | $4K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +21.5% | 1,992 | $4K |
| Wells Fargo & Company | 0.00% | New | 1,800 | $3K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Reduce -1.6% | 1,656 | $3K |
| Citigroup Inc. | 0.00% | Reduce -97.7% | 1,306 | $2K |
| 1620 Investment Advisors, Inc. | 0.00% | No change | 1,000 | $2K |
| Principal Securities, Inc. | 0.00% | No change | 457 | $804 |
| Macroview Investment Management LLC | 0.00% | No change | 351 | $618 |
| Barclays PLC | 0.00% | Reduce -99.2% | 302 | $531 |
| Fifth Third Bancorp | 0.00% | No change | 115 | $202 |
| Farther Finance Advisors, LLC | 0.00% | No change | 82 | $144 |
| Point72 (DIFC) Ltd | 0.00% | Reduce -99.9% | 28 | $49 |
| Daiwa Securities Group Inc. | 0.00% | No change | 202 | $0 |
"% of holder's portfolio" is MRNS's weight in each manager's 13F, not the share of Marinus Pharmaceuticals Inc. the manager owns.