Assertio Holdings, Inc. - ASRT
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 4 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nantahala Capital Management, LLC | History | Reduced | 587,335 | 5,327 | 0.18% | 0.27% | 1 | -8,222,738 | -93.33% | Q4 2025 | Feb 13, 2026 |
| VANGUARD GROUP INC | History | Reduced | 297,247 | 2,696 | 0.0% | 0.0% | 2 | -4,128,296 | -93.28% | Q4 2025 | Jan 29, 2026 |
| Opaleye Management Inc. | History | New | 285,000 | 2,584 | 0.34% | — | 3 | +285,000 | New | Q4 2025 | Apr 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 190,697 | 1,729 | 0.0% | 0.0% | 4 | -2,751,579 | -93.52% | Q4 2025 | Feb 12, 2026 |
| EDGEWOOD MANAGEMENT LLC | History | New | 107,518 | 975 | 0.0% | — | 5 | +107,518 | New | Q4 2025 | Feb 12, 2026 |
| BlackRock, Inc. | History | Reduced | 90,034 | 816 | 0.0% | 0.0% | 6 | -1,274,667 | -93.4% | Q4 2025 | Feb 12, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Reduced | 71,800 | 651 | 0.0% | 0.0% | 7 | -312,877 | -81.33% | Q4 2025 | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Reduced | 69,065 | 626 | 0.0% | 0.0% | 8 | -953,201 | -93.24% | Q4 2025 | Feb 09, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 56,410 | 511 | 0.0% | 0.0% | 9 | -491,397 | -89.7% | Q4 2025 | Feb 17, 2026 |
| CM Management, LLC | History | Reduced | 50,000 | 453 | 0.38% | 0.53% | 10 | -674,382 | -93.1% | Q4 2025 | Feb 02, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 34,478 | 312 | 0.0% | 0.0% | 11 | -571,505 | -94.31% | Q4 2025 | Feb 17, 2026 |
| STATE STREET CORP | History | Reduced | 25,672 | 232 | 0.0% | 0.0% | 12 | -341,141 | -93.0% | Q4 2025 | Feb 13, 2026 |
| MORGAN STANLEY | History | Reduced | 25,345 | 229 | 0.0% | 0.0% | 13 | -572,241 | -95.76% | Q4 2025 | Feb 13, 2026 |
| TSP Capital Management Group, LLC | History | Reduced | 25,056 | 227 | 0.06% | 0.07% | 14 | -291,819 | -92.09% | Q4 2025 | Jan 21, 2026 |
| TWO SIGMA ADVISERS, LP | History | Reduced | 21,213 | 192 | 0.0% | 0.0% | 15 | -406,321 | -95.04% | Q4 2025 | Feb 17, 2026 |
| PERRITT CAPITAL MANAGEMENT INC | History | Reduced | 19,000 | 172 | 0.29% | 0.15% | 16 | -331,316 | -94.58% | Q4 2025 | Feb 17, 2026 |
| Rothschild Wealth LLC | History | New | 19,000 | 172 | 0.02% | — | 17 | +19,000 | New | Q4 2025 | Feb 17, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Reduced | 18,670 | 169 | 0.0% | 0.0% | 18 | -352,759 | -94.97% | Q4 2025 | Feb 17, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | Reduced | 14,955 | 135 | 0.0% | 0.0% | 19 | -209,366 | -93.33% | Q4 2025 | Feb 17, 2026 |
| Empowered Funds, LLC | History | Reduced | 14,955 | 135 | 0.0% | 0.0% | 20 | -209,366 | -93.33% | Q4 2025 | Feb 18, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | Reduced | 14,172 | 128 | 0.0% | 0.0% | 21 | -355,719 | -96.17% | Q4 2025 | Feb 17, 2026 |
| NORTHERN TRUST CORP | History | Reduced | 13,498 | 122 | 0.0% | 0.0% | 22 | -165,362 | -92.45% | Q4 2025 | Feb 17, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 11,841 | 107 | 0.0% | 0.0% | 23 | -12,811 | -51.97% | Q4 2025 | Feb 12, 2026 |
| THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. | History | New | 4,499 | 40 | 0.01% | — | 24 | +4,499 | New | Q4 2025 | Jan 20, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | New | 1,811 | 16 | 0.0% | — | 25 | +1,811 | New | Q4 2025 | Feb 10, 2026 |
| ROYAL BANK OF CANADA | History | New | 946 | 9 | 0.0% | — | 26 | +946 | New | Q4 2025 | Feb 17, 2026 |
| UBS Group AG | History | Reduced | 945 | 8 | 0.0% | 0.0% | 27 | -231,707 | -99.59% | Q4 2025 | Jan 29, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Reduced | 379 | 3 | 0.0% | 0.0% | 28 | -5,315 | -93.34% | Q4 2025 | Feb 17, 2026 |
| MINDSET WEALTH MANAGEMENT, LLC | History | Reduced | 139 | 2 | 0.0% | 0.01% | 30 | -36,418 | -99.62% | Q4 2025 | Feb 12, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 328 | 2 | 0.0% | 0.0% | 29 | -4,101 | -92.59% | Q4 2025 | Feb 17, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Closed out | 0 | 0 | — | 0.03% | — | -381,584 | -100.0% | Q3 2025 | Nov 07, 2025 |
| Invesco Ltd. | History | Closed out | 0 | 0 | — | 0.0% | — | -133,609 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Mariner, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -80,499 | -100.0% | Q3 2025 | Nov 14, 2025 |
| GOLDMAN SACHS GROUP INC | History | Closed out | 0 | 0 | — | 0.0% | — | -80,239 | -100.0% | Q3 2025 | Nov 14, 2025 |
| DIMENSIONAL FUND ADVISORS LP | History | Closed out | 0 | 0 | — | 0.0% | — | -63,833 | -100.0% | Q3 2025 | Nov 12, 2025 |
| CAPTRUST FINANCIAL ADVISORS | History | Closed out | 0 | 0 | — | 0.0% | — | -57,490 | -100.0% | Q3 2025 | Nov 19, 2025 |
| NewEdge Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -48,575 | -100.0% | Q3 2025 | Nov 17, 2025 |
| Belpointe Asset Management LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -33,195 | -100.0% | Q3 2025 | Nov 03, 2025 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -32,440 | -100.0% | Q3 2025 | Nov 14, 2025 |
| STIFEL FINANCIAL CORP | History | Closed out | 0 | 0 | — | 0.0% | — | -31,500 | -100.0% | Q3 2025 | Nov 12, 2025 |
| Virtu Financial LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -29,430 | -100.0% | Q3 2025 | Nov 14, 2025 |
| HighTower Advisors, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -19,295 | -100.0% | Q3 2025 | Nov 07, 2025 |
| Cambridge Investment Research Advisors, Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -19,034 | -100.0% | Q3 2025 | Nov 12, 2025 |
| CreativeOne Wealth, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -18,000 | -100.0% | Q3 2025 | Nov 13, 2025 |
| LPL Financial LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -14,412 | -100.0% | Q3 2025 | Nov 12, 2025 |
| MONETA GROUP INVESTMENT ADVISORS LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -11,706 | -100.0% | Q3 2025 | Nov 14, 2025 |
| SUMMIT WEALTH GROUP LLC / CO | History | Closed out | 0 | 0 | — | 0.0% | — | -11,667 | -100.0% | Q3 2025 | Feb 05, 2026 |
| SIMPLEX TRADING, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -11,500 | -100.0% | Q3 2025 | Nov 12, 2025 |
| Squarepoint Ops LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -11,300 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Williams & Novak, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -10,000 | -100.0% | Q3 2025 | Oct 30, 2025 |
| GROUP ONE TRADING LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -8,700 | -100.0% | Q3 2025 | Nov 12, 2025 |
| Strategic Investment Solutions, Inc. /IL | History | Reduced | 50 | 0 | — | 0.0% | — | -5,200 | -99.05% | Q4 2025 | Feb 27, 2026 |
| JPMORGAN CHASE & CO | History | Reduced | 88 | 0 | — | 0.0% | — | -3,180 | -97.31% | Q4 2025 | Feb 11, 2026 |
| FMR LLC | History | Reduced | 84 | 0 | — | 0.0% | — | -2,645 | -96.92% | Q4 2025 | Feb 17, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 40 | 0 | — | 0.0% | — | -2,644 | -98.51% | Q4 2025 | Feb 17, 2026 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 82 | 0 | — | 0.0% | — | -1,191 | -93.56% | Q4 2025 | Feb 13, 2026 |
| Financial Management Professionals, Inc. | History | Reduced | 45 | 0 | — | — | — | -1,024 | -95.79% | Q4 2025 | Jan 27, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 60 | 0 | — | — | — | -1,015 | -94.42% | Q4 2025 | Feb 10, 2026 |
| Arax Advisory Partners | History | Reduced | 63 | 0 | — | — | — | -915 | -93.56% | Q4 2025 | Feb 13, 2026 |
| Activest Wealth Management | History | Reduced | 50 | 0 | — | — | — | -700 | -93.33% | Q4 2025 | Jan 30, 2026 |
| Darwin Wealth Management, LLC | History | Reduced | 46 | 0 | — | — | — | -651 | -93.4% | Q4 2025 | Jan 22, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 39 | 0 | — | — | — | -590 | -93.8% | Q4 2025 | Feb 03, 2026 |
| CIBC Private Wealth Group LLC | History | Reduced | 35 | 0 | — | — | — | -499 | -93.45% | Q4 2025 | Feb 12, 2026 |
| MAI Capital Management | History | Reduced | 29 | 0 | — | — | — | -416 | -93.48% | Q4 2025 | Feb 13, 2026 |
| Key FInancial Inc | History | Reduced | 29 | 0 | — | — | — | -416 | -93.48% | Q4 2025 | Feb 09, 2026 |
| SOA Wealth Advisors, LLC. | History | Reduced | 16 | 0 | — | — | — | -234 | -93.6% | Q4 2025 | Jan 20, 2026 |
| Federation des caisses Desjardins du Quebec | History | Reduced | 13 | 0 | — | — | — | -183 | -93.37% | Q4 2025 | Feb 12, 2026 |
| Advisory Services Network, LLC | History | Closed out | 0 | 0 | — | — | — | -155 | -100.0% | Q3 2025 | Nov 18, 2025 |
| Main Street Group, LTD | History | Closed out | 0 | 0 | — | — | — | -125 | -100.0% | Q3 2025 | Nov 07, 2025 |
| Newbridge Financial Services Group, Inc. | History | Reduced | 8 | 0 | — | — | — | -117 | -93.6% | Q4 2025 | Jan 21, 2026 |
| TD Waterhouse Canada Inc. | History | Reduced | 2 | 0 | — | — | — | -39 | -95.12% | Q4 2025 | Jan 27, 2026 |
| UMB Bank, n.a. | History | Closed out | 0 | 0 | — | — | — | -35 | -100.0% | Q3 2025 | Nov 04, 2025 |
| Motiv8 Investments LLC | History | New | 21 | 0 | — | — | — | +21 | New | Q4 2025 | Feb 13, 2026 |
| Allworth Financial LP | History | New | 18 | 0 | — | — | — | +18 | New | Q4 2025 | Feb 05, 2026 |
| Smartleaf Asset Management LLC | History | New | 16 | 0 | — | — | — | +16 | New | Q4 2025 | Feb 13, 2026 |
| BARCLAYS PLC | History | Closed out | 0 | 0 | — | — | — | -4 | -100.0% | Q3 2025 | Mar 31, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | New | 2 | 0 | — | — | — | +2 | New | Q4 2025 | Feb 17, 2026 |
| Inspire Investing, LLC | History | New | 2 | 0 | — | — | — | +2 | New | Q4 2025 | Feb 17, 2026 |
| CWM, LLC | History | Closed out | 0 | 0 | — | — | — | -2 | -100.0% | Q3 2025 | Oct 15, 2025 |
| Larson Financial Group LLC | History | New | 1 | 0 | — | — | — | +1 | New | Q4 2025 | Feb 06, 2026 |