Assertio Holdings, Inc. - ASRT

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 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 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