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.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
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