Institutional Holders (2026 Q1)
183 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in MAGN. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | DG Capital Management, LLC | 3.52% | 1,207,356 | $11.5M |
| 2 | THOMPSON SIEGEL & WALMSLEY LLC | 0.10% | 574,264 | $5K |
| 3 | Tactive Advisors, LLC | 0.09% | 34,895 | $332K |
| 4 | FOX RUN MANAGEMENT, L.L.C. | 0.04% | 28,190 | $253K |
| 5 | GSA CAPITAL PARTNERS LLP | 0.04% | 72,180 | — |
| 6 | State of Wyoming | 0.02% | 15,176 | $144K |
| 7 | AlphaQuest LLC | 0.02% | 18,359 | $278K |
| 8 | Y-Intercept (Hong Kong) Ltd | 0.01% | 78,572 | $747K |
| 9 | Assenagon Asset Management S.A. | 0.01% | 742,425 | $7.1M |
| 10 | ING GROEP NV | 0.01% | 110,000 | $1.0M |
| 11 | Russell Investments Group, Ltd. | 0.01% | 507,447 | $4.8M |
| 12 | LSV ASSET MANAGEMENT | 0.01% | 244,493 | $2K |
| 13 | Quantbot Technologies LP | 0.00% | 12,513 | $119K |
| 14 | Sterling Capital Management LLC | 0.00% | 26,315 | $250K |
| 15 | Valeo Financial Advisors, LLC | 0.00% | 10,000 | $95K |
| 16 | GAMMA Investing LLC | 0.00% | 4,156 | $40K |
| 17 | Magnetar Financial LLC | 0.00% | 18,160 | $173K |
| 18 | Atria Investments, Inc | 0.00% | 16,061 | $153K |
| 19 | OPPENHEIMER ASSET MANAGEMENT INC. | 0.00% | 15,384 | $146K |
| 20 | Investors Research Corp | 0.00% | 846 | $8K |
| 21 | BNP PARIBAS FINANCIAL MARKETS | 0.00% | 304,910 | $2.9M |
| 22 | Red Tortoise LLC | 0.00% | 314 | $3K |
| 23 | Walleye Capital LLC | 0.00% | 30,646 | $291K |
| 24 | FNY Investment Advisers, LLC | 0.00% | 275 | — |
| 25 | Police & Firemen's Retirement System of New Jersey | 0.00% | 10,164 | $97K |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|