MGNX — Institutional owners (13F)
Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.
| Institution | Value | Shares | % of tracked 13F | Type |
|---|---|---|---|---|
| ARMISTICE CAPITAL, LLC | $23,131,194 | 5,006,752 | 10.63% | Shares |
| BlackRock, Inc. | $21,618,040 | 4,679,229 | 9.94% | Shares |
| VANGUARD CAPITAL MANAGEMENT LLC | $12,270,766 | 2,656,010 | 5.64% | Shares |
| RENAISSANCE TECHNOLOGIES LLC | $12,163,305 | 2,632,750 | 5.59% | Shares |
| BANK OF AMERICA CORP /DE/ | $11,495,724 | 2,488,252 | 5.28% | Shares |
| TWO SIGMA INVESTMENTS, LP | $11,391,529 | 2,465,699 | 5.24% | Shares |
| MILLENNIUM MANAGEMENT LLC | $10,969,248 | 2,374,296 | 5.04% | Shares |
| RA CAPITAL MANAGEMENT, L.P. | $8,612,493 | 1,864,176 | 3.96% | Shares |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $8,409,467 | 1,820,231 | 3.87% | Shares |
| MACKENZIE FINANCIAL CORP | $7,588,932 | 1,642,626 | 3.49% | Shares |
| MARSHALL WACE, LLP | $7,466,936 | 1,616,220 | 3.43% | Shares |
| GEODE CAPITAL MANAGEMENT, LLC | $7,285,810 | 1,576,549 | 3.35% | Shares |
| VANGUARD GROUP INC | $6,805,375 | 4,226,941 | 3.13% | Shares |
| Affinity Asset Advisors, LLC | $5,620,720 | 1,216,606 | 2.58% | Shares |
| D. E. Shaw & Co., Inc. | $4,911,018 | 1,062,991 | 2.26% | Shares |
| JACOBS LEVY EQUITY MANAGEMENT, INC | $4,630,506 | 1,002,274 | 2.13% | Shares |
| Connor, Clark & Lunn Investment Management Ltd. | $4,621,903 | 1,000,412 | 2.12% | Shares |
| WASATCH ADVISORS LP | $4,507,536 | 1,559,701 | 2.07% | Shares |
| STATE STREET CORP | $3,990,123 | 863,663 | 1.83% | Shares |
| GOLDMAN SACHS GROUP INC | $2,577,964 | 558,001 | 1.18% | Shares |
| NORTHERN TRUST CORP | $2,384,516 | 516,129 | 1.10% | Shares |
| VANGUARD FIDUCIARY TRUST CO | $1,940,890 | 420,106 | 0.89% | Shares |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | $1,940,000 | 420,000 | 0.89% | Shares |
| TWO SIGMA ADVISERS, LP | $1,923,950 | 1,195,000 | 0.88% | Shares |
| Walleye Capital LLC | $1,885,653 | 408,150 | 0.87% | Shares |
| DIMENSIONAL FUND ADVISORS LP | $1,753,576 | 379,335 | 0.81% | Shares |
| DIADEMA PARTNERS LP | $1,729,742 | 374,403 | 0.80% | Shares |
| PINNACLE ASSOCIATES LTD | $1,174,871 | 254,301 | 0.54% | Shares |
| PANAGORA ASSET MANAGEMENT INC | $1,155,711 | 250,154 | 0.53% | Shares |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $889,974 | 192,635 | 0.41% | Shares |
| Man Group plc | $869,433 | 188,189 | 0.40% | Shares |
| Amundi | $837,352 | 181,245 | 0.38% | Shares |
| CITADEL ADVISORS LLC | $830,828 | 179,833 | 0.38% | Shares |
| Informed Momentum Co LLC | $793,277 | 171,705 | 0.36% | Shares |
| LPL Financial LLC | $786,615 | 170,263 | 0.36% | Shares |
| SEI INVESTMENTS CO | $760,932 | 164,704 | 0.35% | Shares |
| ROYAL BANK OF CANADA | $679,000 | 147,058 | 0.31% | Shares |
| STRS OHIO | $658,350 | 142,500 | 0.30% | Shares |
| Bank of New York Mellon Corp | $626,272 | 135,557 | 0.29% | Shares |
| Nuveen, LLC | $608,698 | 131,753 | 0.28% | Shares |
| ADAR1 Capital Management, LLC | $599,778 | 129,822 | 0.28% | Shares |
| Squarepoint Ops LLC | $542,286 | 117,378 | 0.25% | Shares |
| Invesco Ltd. | $475,790 | 102,985 | 0.22% | Shares |
| Headlands Technologies LLC | $458,249 | 99,188 | 0.21% | Shares |
| Susquehanna Portfolio Strategies, LLC | $446,689 | 96,686 | 0.21% | Shares |
| Persistent Asset Partners Ltd | $440,614 | 95,371 | 0.20% | Shares |
| MORGAN STANLEY | $428,681 | 92,788 | 0.20% | Shares |
| JANE STREET GROUP, LLC | $387,442 | 83,862 | 0.18% | Shares |
| FMR LLC | $386,315 | 83,618 | 0.18% | Shares |
| XTX Topco Ltd | $351,393 | 76,059 | 0.16% | Shares |
| Ikarian Capital, LLC | $346,006 | 74,893 | 0.16% | Shares |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | $339,570 | 73,500 | 0.16% | Shares |
| RHUMBLINE ADVISERS | $313,785 | 67,920 | 0.14% | Shares |
| FRANKLIN RESOURCES INC | $305,400 | 66,104 | 0.14% | Shares |
| ALPS ADVISORS INC | $298,027 | 64,508 | 0.14% | Shares |
| DEUTSCHE BANK AG\ | $287,970 | 62,331 | 0.13% | Shares |
| Russell Investments Group, Ltd. | $287,884 | 62,313 | 0.13% | Shares |
| Velan Capital Investment Management LP | $277,200 | 60,000 | 0.13% | Shares |
| WELLS FARGO & COMPANY/MN | $275,749 | 59,686 | 0.13% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $247,720 | 53,619 | 0.11% | Shares |
| Marex Group Ltd | $231,000 | 50,000 | 0.11% | Shares |
| Leonteq Securities AG | $231,000 | 50,000 | 0.11% | Shares |
| BARCLAYS PLC | $230,215 | 49,830 | 0.11% | Shares |
| Graham Capital Management, L.P. | $219,247 | 47,456 | 0.10% | Shares |
| WELLINGTON MANAGEMENT GROUP LLP | $204,204 | 44,200 | 0.09% | Shares |
| UBS Group AG | $193,278 | 41,835 | 0.09% | Shares |
| Cubist Systematic Strategies, LLC | $183,500 | 109,226 | 0.08% | Shares |
| SIMPLEX TRADING, LLC | $179,353 | 38,821 | 0.08% | Shares |
| AlphaCore Capital LLC | $174,405 | 37,750 | 0.08% | Shares |
| MetLife Investment Management, LLC | $172,529 | 37,344 | 0.08% | Shares |
| CANADA PENSION PLAN INVESTMENT BOARD | $170,940 | 37,000 | 0.08% | Shares |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | $168,477 | 36,467 | 0.08% | Shares |
| Corient Private Wealth LP | $138,600 | 30,000 | 0.06% | Shares |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | $138,143 | 29,901 | 0.06% | Shares |
| CITIGROUP INC | $135,833 | 29,401 | 0.06% | Shares |
| nVerses Capital, LLC | $134,395 | 29,090 | 0.06% | Shares |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $133,056 | 28,800 | 0.06% | Shares |
| Allspring Global Investments Holdings, LLC | $130,155 | 28,172 | 0.06% | Shares |
| PRUDENTIAL FINANCIAL INC | $128,321 | 27,775 | 0.06% | Shares |
| JPMORGAN CHASE & CO | $128,163 | 26,371 | 0.06% | Shares |
| CITADEL ADVISORS LLC | $126,588 | 27,400 | 0.06% | Call option |
| PRELUDE CAPITAL MANAGEMENT, LLC | $121,506 | 26,300 | 0.06% | Shares |
| Cresset Asset Management, LLC | $119,325 | 25,828 | 0.05% | Shares |
| XML Financial, LLC | $114,741 | 24,836 | 0.05% | Shares |
| BNP PARIBAS FINANCIAL MARKETS | $112,345 | 24,317 | 0.05% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $107,184 | 23,200 | 0.05% | Call option |
| Vanguard Global Advisers, LLC | $105,428 | 22,820 | 0.05% | Shares |
| Lantern Wealth Advisors, LLC | $104,874 | 22,700 | 0.05% | Shares |
| Police & Firemen's Retirement System of New Jersey | $85,586 | 18,525 | 0.04% | Shares |
| BOOTHBAY FUND MANAGEMENT, LLC | $84,703 | 18,334 | 0.04% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $81,774 | 17,700 | 0.04% | Put option |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | $81,686 | 17,681 | 0.04% | Shares |
| Evercore Wealth Management, LLC | $81,049 | 17,543 | 0.04% | Shares |
| Spark Investment Management LLC | $79,464 | 17,200 | 0.04% | Shares |
| TUDOR INVESTMENT CORP ET AL | $75,532 | 16,349 | 0.03% | Shares |
| Vanguard Personalized Indexing Management, LLC | $68,783 | 14,888 | 0.03% | Shares |
| STIFEL FINANCIAL CORP | $66,996 | 14,501 | 0.03% | Shares |
| Verdad Advisers, LP | $66,671 | 14,431 | 0.03% | Shares |
| SPC Financial, Inc. | $63,420 | 37,750 | 0.03% | Shares |
| TWO SIGMA SECURITIES, LLC | $63,132 | 13,665 | 0.03% | Shares |
| VOYA INVESTMENT MANAGEMENT LLC | $56,572 | 12,245 | 0.03% | Shares |
| NEW YORK STATE COMMON RETIREMENT FUND | $54,054 | 11,700 | 0.02% | Shares |
| INTECH INVESTMENT MANAGEMENT LLC | $53,319 | 11,541 | 0.02% | Shares |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $52,797 | 11,428 | 0.02% | Shares |
| CITADEL ADVISORS LLC | $48,972 | 10,600 | 0.02% | Put option |
| ALLIANCEBERNSTEIN L.P. | $45,604 | 15,780 | 0.02% | Shares |
| Point72 Asia (Singapore) Pte. Ltd. | $42,176 | 25,105 | 0.02% | Shares |
| Legal & General Group Plc | $28,182 | 6,100 | 0.01% | Shares |
| Ameritas Investment Partners, Inc. | $26,334 | 5,700 | 0.01% | Shares |
| OSAIC HOLDINGS, INC. | $24,322 | 5,265 | 0.01% | Shares |
| Tower Research Capital LLC (TRC) | $17,048 | 3,690 | 0.01% | Shares |
| GROUP ONE TRADING LLC | $12,303 | 2,663 | 0.01% | Shares |
| Northeast Financial Consultants Inc | $12,100 | 10,000 | 0.01% | Shares |
| ACADIAN ASSET MANAGEMENT LLC | $11,740 | 2,542,643 | 0.01% | Shares |
| State of Wyoming | $11,541 | 2,498 | 0.01% | Shares |
| Walleye Capital LLC | $11,088 | 2,400 | 0.01% | Call option |
| IMG Wealth Management, Inc. | $5,313 | 1,150 | 0.00% | Shares |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $3,996 | 865 | 0.00% | Shares |
| Spire Wealth Management | $3,068 | 664 | 0.00% | Shares |
| Cornerstone Planning Group LLC | $2,408 | 560 | 0.00% | Shares |
| Sterling Capital Management LLC | $1,649 | 357 | 0.00% | Shares |
| NISA INVESTMENT ADVISORS, LLC | $1,603 | 347 | 0.00% | Shares |
| Fortitude Family Office, LLC | $1,275 | 276 | 0.00% | Shares |
| Optiver Holding B.V. | $1,012 | 219 | 0.00% | Shares |
| LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA | $984 | 213 | 0.00% | Shares |
| Quarry LP | $661 | 143 | 0.00% | Shares |
| FARMERS & MERCHANTS INVESTMENTS INC | $370 | 80 | 0.00% | Shares |
| Point72 (DIFC) Ltd | $319 | 190 | 0.00% | Shares |
| PRICE T ROWE ASSOCIATES INC /MD/ | $239 | 51,560 | 0.00% | Shares |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $159 | 55 | 0.00% | Shares |
| JONES FINANCIAL COMPANIES LLLP | $144 | 30 | 0.00% | Shares |
| Caitong International Asset Management Co., Ltd | $97 | 21 | 0.00% | Shares |
| COMERICA BANK | $71 | 44 | 0.00% | Shares |
| Inspire Investing, LLC | $51 | 18 | 0.00% | Shares |
| SBI Securities Co., Ltd. | $5 | 1 | 0.00% | Shares |