ALDX — 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 |
|---|---|---|---|---|
| VANGUARD GROUP INC | $19,159,173 | 3,698,682 | 19.90% | Shares |
| Knoll Capital Management, LLC | $11,662,849 | 5,475,516 | 12.11% | Shares |
| AQR CAPITAL MANAGEMENT LLC | $7,990,819 | 3,751,558 | 8.30% | Shares |
| KINGDON CAPITAL MANAGEMENT, L.L.C. | $5,649,431 | 2,652,315 | 5.87% | Shares |
| VANGUARD CAPITAL MANAGEMENT LLC | $5,030,625 | 2,361,796 | 5.22% | Shares |
| D. E. Shaw & Co., Inc. | $4,132,920 | 1,940,338 | 4.29% | Shares |
| MARSHALL WACE, LLP | $3,209,855 | 1,506,974 | 3.33% | Shares |
| 683 Capital Management, LLC | $3,088,500 | 1,450,000 | 3.21% | Shares |
| JANE STREET GROUP, LLC | $2,928,995 | 1,375,115 | 3.04% | Shares |
| BlackRock, Inc. | $2,677,927 | 1,257,243 | 2.78% | Shares |
| Qube Research & Technologies Ltd | $2,404,350 | 1,128,803 | 2.50% | Shares |
| ARDSLEY ADVISORY PARTNERS LP | $2,076,750 | 975,000 | 2.16% | Shares |
| RENAISSANCE TECHNOLOGIES LLC | $1,878,660 | 882,000 | 1.95% | Shares |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $1,693,058 | 794,863 | 1.76% | Shares |
| GOLDMAN SACHS GROUP INC | $1,545,196 | 725,444 | 1.60% | Shares |
| JACOBS LEVY EQUITY MANAGEMENT, INC | $1,377,769 | 646,840 | 1.43% | Shares |
| MORGAN STANLEY | $1,295,723 | 608,321 | 1.35% | Shares |
| GEODE CAPITAL MANAGEMENT, LLC | $1,270,111 | 596,029 | 1.32% | Shares |
| DIMENSIONAL FUND ADVISORS LP | $1,126,664 | 529,083 | 1.17% | Shares |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $897,109 | 421,178 | 0.93% | Shares |
| CITADEL ADVISORS LLC | $807,576 | 379,144 | 0.84% | Shares |
| MILLENNIUM MANAGEMENT LLC | $767,546 | 360,350 | 0.80% | Shares |
| UBS Group AG | $643,132 | 301,940 | 0.67% | Shares |
| ARDSLEY ADVISORY PARTNERS LP | $639,000 | 300,000 | 0.66% | Call option |
| VANGUARD FIDUCIARY TRUST CO | $635,255 | 298,242 | 0.66% | Shares |
| TWO SIGMA ADVISERS, LP | $631,442 | 121,900 | 0.66% | Shares |
| XTX Topco Ltd | $542,675 | 254,777 | 0.56% | Shares |
| Cubist Systematic Strategies, LLC | $529,178 | 101,375 | 0.55% | Shares |
| WOODSTOCK CORP | $517,070 | 242,756 | 0.54% | Shares |
| STATE STREET CORP | $497,939 | 233,774 | 0.52% | Shares |
| IEQ CAPITAL, LLC | $440,043 | 206,593 | 0.46% | Shares |
| CANTOR FITZGERALD, L. P. | $426,000 | 200,000 | 0.44% | Shares |
| Caption Management, LLC | $351,450 | 165,000 | 0.37% | Shares |
| CITADEL ADVISORS LLC | $348,468 | 163,600 | 0.36% | Call option |
| WELLS FARGO & COMPANY/MN | $345,776 | 162,336 | 0.36% | Shares |
| Invesco Ltd. | $339,820 | 159,540 | 0.35% | Shares |
| BNP PARIBAS FINANCIAL MARKETS | $334,938 | 157,248 | 0.35% | Shares |
| Palo Alto Investors LP | $331,660 | 155,709 | 0.34% | Shares |
| Point72 Asset Management, L.P. | $328,889 | 154,408 | 0.34% | Shares |
| Connor, Clark & Lunn Investment Management Ltd. | $328,642 | 154,292 | 0.34% | Shares |
| Man Group plc | $325,279 | 152,713 | 0.34% | Shares |
| Jain Global LLC | $280,099 | 131,502 | 0.29% | Shares |
| TWO SIGMA INVESTMENTS, LP | $272,318 | 127,849 | 0.28% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $250,488 | 117,600 | 0.26% | Call option |
| NORTHERN TRUST CORP | $231,932 | 108,888 | 0.24% | Shares |
| JPMORGAN CHASE & CO | $224,635 | 109,578 | 0.23% | Shares |
| KENNEDY CAPITAL MANAGEMENT LLC | $208,156 | 97,726 | 0.22% | Shares |
| CANADA PENSION PLAN INVESTMENT BOARD | $200,859 | 94,300 | 0.21% | Shares |
| Squarepoint Ops LLC | $200,322 | 94,048 | 0.21% | Shares |
| Russell Investments Group, Ltd. | $192,450 | 90,353 | 0.20% | Shares |
| Mariner, LLC | $192,367 | 90,339 | 0.20% | Shares |
| ROYAL BANK OF CANADA | $170,000 | 79,783 | 0.18% | Shares |
| Cerity Partners LLC | $154,877 | 72,712 | 0.16% | Shares |
| CWM, LLC | $154,843 | 91,623 | 0.16% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $140,793 | 66,100 | 0.15% | Put option |
| Chicago Partners Investment Group LLC | $130,175 | 83,984 | 0.14% | Shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $124,388 | 58,398 | 0.13% | Shares |
| CAPTRUST FINANCIAL ADVISORS | $110,287 | 51,778 | 0.11% | Shares |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $98,362 | 47,518 | 0.10% | Shares |
| Quadrature Capital Ltd | $98,074 | 46,044 | 0.10% | Shares |
| Graham Capital Management, L.P. | $92,774 | 43,556 | 0.10% | Shares |
| INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC | $89,303 | 36,750 | 0.09% | Shares |
| Creative Planning | $81,366 | 38,200 | 0.08% | Shares |
| AlphaCentric Advisors LLC | $80,207 | 37,656 | 0.08% | Shares |
| MERCER GLOBAL ADVISORS INC /ADV | $78,599 | 36,901 | 0.08% | Shares |
| BANK OF AMERICA CORP /DE/ | $72,260 | 33,925 | 0.08% | Shares |
| TWO SIGMA SECURITIES, LLC | $69,902 | 32,818 | 0.07% | Shares |
| SIMPLEX TRADING, LLC | $61,678 | 28,957 | 0.06% | Shares |
| Arax Advisory Partners | $60,991 | 28,634 | 0.06% | Shares |
| STATE OF WISCONSIN INVESTMENT BOARD | $60,492 | 28,400 | 0.06% | Shares |
| Providence Wealth Advisors, LLC | $58,875 | 25,000 | 0.06% | Shares |
| RHUMBLINE ADVISERS | $56,768 | 26,652 | 0.06% | Shares |
| CIBC Private Wealth Group LLC | $54,836 | 10,505 | 0.06% | Shares |
| Schonfeld Strategic Advisors LLC | $44,559 | 20,920 | 0.05% | Shares |
| SEI INVESTMENTS CO | $44,175 | 20,739 | 0.05% | Shares |
| Federation des caisses Desjardins du Quebec | $38,566 | 18,106 | 0.04% | Shares |
| FMR LLC | $38,103 | 17,889 | 0.04% | Shares |
| Vanguard Global Advisers, LLC | $37,673 | 17,687 | 0.04% | Shares |
| LETKO, BROSSEAU & ASSOCIATES INC | $36,849 | 17,300 | 0.04% | Shares |
| Y-Intercept (Hong Kong) Ltd | $36,389 | 17,084 | 0.04% | Shares |
| Merit Financial Group, LLC | $35,495 | 16,664 | 0.04% | Shares |
| BRIGHTON JONES LLC | $34,387 | 16,144 | 0.04% | Shares |
| StoneX Group Inc. | $33,142 | 19,296 | 0.03% | Shares |
| Activest Wealth Management | $31,950 | 15,000 | 0.03% | Shares |
| Cetera Investment Advisers | $31,309 | 14,699 | 0.03% | Shares |
| Focus Partners Wealth | $29,529 | 13,863 | 0.03% | Shares |
| LPL Financial LLC | $28,363 | 13,316 | 0.03% | Shares |
| U.S. Capital Wealth Advisors, LLC | $26,710 | 15,805 | 0.03% | Shares |
| INSPIRION WEALTH ADVISORS, LLC | $24,300 | 10,000 | 0.03% | Shares |
| JANE STREET GROUP, LLC | $23,217 | 10,900 | 0.02% | Put option |
| Caitong International Asset Management Co., Ltd | $23,138 | 10,863 | 0.02% | Shares |
| JANE STREET GROUP, LLC | $22,152 | 10,400 | 0.02% | Call option |
| Global Retirement Partners, LLC | $21,300 | 10,000 | 0.02% | Shares |
| BARCLAYS PLC | $12,288 | 5,769 | 0.01% | Shares |
| Farther Finance Advisors, LLC | $9,573 | 4,497 | 0.01% | Shares |
| EverSource Wealth Advisors, LLC | $8,578 | 4,027 | 0.01% | Shares |
| Optiver Holding B.V. | $8,567 | 4,022 | 0.01% | Shares |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $8,154 | 4,825 | 0.01% | Shares |
| Point72 Europe (London) LLP | $4,776 | 915 | 0.00% | Shares |
| Essential Partners LLC | $4,409 | 2,070 | 0.00% | Shares |
| Allworth Financial LP | $3,892 | 1,827 | 0.00% | Shares |
| PNC Financial Services Group, Inc. | $3,355 | 1,575 | 0.00% | Shares |
| Pineridge Advisors LLC | $3,132 | 600 | 0.00% | Shares |
| SBI Securities Co., Ltd. | $3,031 | 1,423 | 0.00% | Shares |
| IFP Advisors, Inc | $2,997 | 1,407 | 0.00% | Shares |
| ACADIAN ASSET MANAGEMENT LLC | $2,262 | 1,063,793 | 0.00% | Shares |
| Point72 (DIFC) Ltd | $1,112 | 213 | 0.00% | Shares |
| GSA CAPITAL PARTNERS LLP | $1,007 | 472,564 | 0.00% | Shares |
| ROTHSCHILD INVESTMENT LLC | $756 | 355 | 0.00% | Shares |
| CITIGROUP INC | $697 | 327 | 0.00% | Shares |
| GAMMA Investing LLC | $682 | 320 | 0.00% | Shares |
| True Wealth Design, LLC | $665 | 312 | 0.00% | Shares |
| Truvestments Capital LLC | $564 | 265 | 0.00% | Shares |
| SJS Investment Consulting Inc. | $405 | 190 | 0.00% | Shares |
| NISA INVESTMENT ADVISORS, LLC | $392 | 184 | 0.00% | Shares |
| HighMark Wealth Management LLC | $330 | 155 | 0.00% | Shares |
| PRICE T ROWE ASSOCIATES INC /MD/ | $75 | 35,091 | 0.00% | Shares |
| Hikari Power Ltd | $43 | 20,020 | 0.00% | Shares |
| TD Waterhouse Canada Inc. | $36 | 15 | 0.00% | Shares |
| Virtu Financial LLC | $34 | 15,826 | 0.00% | Shares |
| King Wealth Management Group | $27 | 12,700 | 0.00% | Shares |