Assertio Holdings, Inc. - ASRT
Detailed investor-level table based on 13F positions.
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 | Added to | 692,335 | 13,195 | 0.49% | 0.18% | 1 | +105,000 | 17.88% | Q1 2026 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 268,952 | 5,126 | 0.0% | — | 2 | +268,952 | New | Q1 2026 | May 15, 2026 |
| Opaleye Management Inc. | History | Reduced | 265,707 | 5,064 | 0.67% | 0.34% | 3 | -19,293 | -6.77% | Q1 2026 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 228,599 | 4,357 | 0.01% | 0.0% | 4 | +37,902 | 19.88% | Q1 2026 | May 14, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 181,600 | 3,461 | 0.0% | 0.0% | 5 | +109,800 | 152.92% | Q1 2026 | May 15, 2026 |
| VANGUARD GROUP INC | History | No change | 297,247 | 2,696 | 0.0% | 0.0% | 6 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| EDGEWOOD MANAGEMENT LLC | History | Reduced | 107,517 | 2,049 | 0.01% | 0.0% | 7 | -1 | -0.0% | Q1 2026 | May 14, 2026 |
| BlackRock, Inc. | History | Added to | 90,035 | 1,716 | 0.0% | 0.0% | 8 | +1 | 0.0% | Q1 2026 | May 13, 2026 |
| JANE STREET GROUP, LLC | History | Added to | 79,436 | 1,514 | 0.0% | 0.0% | 9 | +67,595 | 570.86% | Q1 2026 | May 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 76,314 | 1,455 | 0.0% | 0.0% | 10 | +7,249 | 10.5% | Q1 2026 | May 15, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 74,562 | 1,421 | 0.0% | 0.0% | 11 | +18,152 | 32.18% | Q1 2026 | May 15, 2026 |
| Walleye Capital LLC | History | New | 65,926 | 1,256 | 0.01% | — | 12 | +65,926 | New | Q1 2026 | May 13, 2026 |
| SEI INVESTMENTS CO | History | New | 54,940 | 1,047 | 0.0% | — | 13 | +54,940 | New | Q1 2026 | May 13, 2026 |
| Huntleigh Advisors, Inc. | History | New | 52,603 | 1,002 | 0.17% | — | 14 | +52,603 | New | Q1 2026 | Apr 21, 2026 |
| Informed Momentum Co LLC | History | New | 45,145 | 860 | 0.1% | — | 15 | +45,145 | New | Q1 2026 | May 13, 2026 |
| MARSHALL WACE, LLP | History | New | 40,772 | 777 | 0.0% | — | 16 | +40,772 | New | Q1 2026 | May 14, 2026 |
| CM Management, LLC | History | Reduced | 35,000 | 667 | 0.56% | 0.38% | 17 | -15,000 | -30.0% | Q1 2026 | May 08, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 34,388 | 655 | 0.0% | — | 18 | +34,388 | New | Q1 2026 | May 08, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 33,577 | 639 | 0.0% | 0.0% | 19 | +14,907 | 79.84% | Q1 2026 | May 15, 2026 |
| STATE STREET CORP | History | Added to | 27,772 | 529 | 0.0% | 0.0% | 20 | +2,100 | 8.18% | Q1 2026 | May 15, 2026 |
| CORSAIR CAPITAL MANAGEMENT, L.P. | History | New | 25,549 | 486 | 0.07% | — | 21 | +25,549 | New | Q1 2026 | May 15, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 25,033 | 477 | 0.0% | 0.0% | 22 | +24,654 | 6505.01% | Q1 2026 | May 15, 2026 |
| TSP Capital Management Group, LLC | History | No change | 25,056 | 477 | 0.12% | 0.06% | 23 | 0 | 0.0% | Q1 2026 | Apr 24, 2026 |
| MORGAN STANLEY | History | Reduced | 21,030 | 400 | 0.0% | 0.0% | 24 | -4,315 | -17.03% | Q1 2026 | May 15, 2026 |
| Quadrature Capital Ltd | History | New | 18,687 | 356 | 0.0% | — | 25 | +18,687 | New | Q1 2026 | May 15, 2026 |
| Squarepoint Ops LLC | History | New | 17,892 | 341 | 0.0% | — | 26 | +17,892 | New | Q1 2026 | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 16,425 | 313 | 0.0% | 0.0% | 27 | -18,053 | -52.36% | Q1 2026 | May 15, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | Added to | 16,014 | 305 | 0.01% | 0.0% | 28 | +1,059 | 7.08% | Q1 2026 | May 15, 2026 |
| Empowered Funds, LLC | History | Added to | 16,014 | 305 | 0.0% | 0.0% | 29 | +1,059 | 7.08% | Q1 2026 | May 14, 2026 |
| Verdad Advisers, LP | History | New | 15,541 | 296 | 0.33% | — | 30 | +15,541 | New | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | Added to | 14,570 | 277 | 0.0% | 0.0% | 31 | +1,072 | 7.94% | Q1 2026 | May 14, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | New | 14,135 | 269 | 0.0% | — | 32 | +14,135 | New | Q1 2026 | May 07, 2026 |
| TWO SIGMA ADVISERS, LP | History | No change | 21,213 | 192 | 0.0% | 0.0% | 33 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| PERRITT CAPITAL MANAGEMENT INC | History | No change | 19,000 | 172 | 0.29% | 0.29% | 34 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| UBS Group AG | History | Added to | 6,331 | 120 | 0.0% | 0.0% | 35 | +5,386 | 569.95% | Q1 2026 | May 05, 2026 |
| THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. | History | No change | 4,499 | 85 | 0.04% | 0.01% | 36 | 0 | 0.0% | Q1 2026 | Apr 14, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Added to | 3,899 | 73 | 0.0% | 0.0% | 37 | +2,088 | 115.3% | Q1 2026 | May 13, 2026 |
| Vanguard Global Advisers, LLC | History | New | 2,065 | 39 | 0.0% | — | 38 | +2,065 | New | Q1 2026 | May 08, 2026 |
| ROYAL BANK OF CANADA | History | Reduced | 789 | 15 | 0.0% | 0.0% | 39 | -157 | -16.6% | Q1 2026 | May 15, 2026 |
| OSAIC HOLDINGS, INC. | History | Added to | 376 | 7 | 0.0% | — | 40 | +336 | 840.0% | Q1 2026 | May 15, 2026 |
| CITIGROUP INC | History | New | 325 | 6 | 0.0% | — | 41 | +325 | New | Q1 2026 | May 11, 2026 |
| MCF Advisors LLC | History | New | 100 | 1 | 0.0% | — | 46 | +100 | New | Q1 2026 | May 11, 2026 |
| Annis Gardner Whiting Capital Advisors, LLC | History | New | 80 | 1 | 0.0% | — | 47 | +80 | New | Q1 2026 | May 06, 2026 |
| Axiom Investment Management LLC | History | New | 63 | 1 | 0.0% | — | 45 | +63 | New | Q1 2026 | May 26, 2026 |
| WELLS FARGO & COMPANY/MN | History | Added to | 100 | 1 | 0.0% | — | 43 | +18 | 21.95% | Q1 2026 | May 11, 2026 |
| JPMORGAN CHASE & CO | History | No change | 88 | 1 | 0.0% | — | 42 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| Arax Advisory Partners | History | No change | 63 | 1 | 0.0% | — | 44 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| Rothschild Wealth LLC | History | Closed out | 0 | 0 | — | 0.02% | — | -19,000 | -100.0% | Q1 2026 | May 06, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -14,172 | -100.0% | Q1 2026 | May 15, 2026 |
| Tower Research Capital LLC (TRC) | History | Closed out | 0 | 0 | — | 0.0% | — | -328 | -100.0% | Q1 2026 | May 15, 2026 |
| MINDSET WEALTH MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -139 | -100.0% | Q1 2026 | Apr 22, 2026 |
| FMR LLC | History | Reduced | 23 | 0 | — | — | — | -61 | -72.62% | Q1 2026 | May 15, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Closed out | 0 | 0 | — | — | — | -60 | -100.0% | Q1 2026 | May 12, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 10 | 0 | — | — | — | -29 | -74.36% | Q1 2026 | Apr 27, 2026 |
| Advisory Services Network, LLC | History | New | 10 | 0 | — | — | — | +10 | New | Q1 2026 | May 15, 2026 |
| Cassaday & Co Wealth Management LLC | History | New | 8 | 0 | — | — | — | +8 | New | Q1 2026 | May 07, 2026 |
| Main Street Group, LTD | History | New | 8 | 0 | — | — | — | +8 | New | Q1 2026 | May 06, 2026 |
| IFP Advisors, Inc | History | New | 5 | 0 | — | — | — | +5 | New | Q1 2026 | Apr 13, 2026 |
| Larson Financial Group LLC | History | Added to | 5 | 0 | — | — | — | +4 | 400.0% | Q1 2026 | May 15, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 3 | 0 | — | — | — | +3 | New | Q1 2026 | May 11, 2026 |
| UMB Bank, n.a. | History | New | 2 | 0 | — | — | — | +2 | New | Q1 2026 | May 11, 2026 |
| Inspire Investing, LLC | History | Added to | 3 | 0 | — | — | — | +1 | 50.0% | Q1 2026 | Apr 23, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| MAI Capital Management | History | No change | 29 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| CIBC Private Wealth Group LLC | History | No change | 35 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| Allworth Financial LP | History | No change | 18 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Financial Management Professionals, Inc. | History | No change | 45 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 15, 2026 |
| Darwin Wealth Management, LLC | History | No change | 46 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 01, 2026 |
| Key FInancial Inc | History | No change | 29 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 24, 2026 |
| SOA Wealth Advisors, LLC. | History | No change | 16 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 20, 2026 |
| NFSG Corp | History | No change | 8 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 05, 2026 |
| Activest Wealth Management | History | No change | 50 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 15, 2026 |
| Strategic Investment Solutions, Inc. /IL | History | No change | 50 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 01, 2026 |
| TD Waterhouse Canada Inc. | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 12, 2026 |
| Smartleaf Asset Management LLC | History | No change | 16 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Federation des caisses Desjardins du Quebec | History | No change | 13 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| Motiv8 Investments LLC | History | No change | 21 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |