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Equibles

ASRT

Assertio Holdings, Inc.

Company with tickers: ASRT

CIK
1808665
CUSIP
04546C304
Shares Outstanding
6,462,180
13F Activity (30d)
53 filings 52 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 67
Total Value: $51,467,773
Total Shares: 2,700,305

Institutional Ownership Trend

2 quarters

Holder Concentration

Across 67 13F filers · Δ vs Dec 31, 2025
Top Holder
25.6%
Dec 2025 → Mar 2026 · range 25.6% – 32.9%
−7.2 pts
Top 5
60.6%
Dec 2025 → Mar 2026 · range 60.6% – 71.2%
−10.6 pts
Top 10
76.5%
Dec 2025 → Mar 2026 · range 76.5% – 87.0%
−10.5 pts
HHI
1,053
Dec 2025 → Mar 2026 · range 1,053 – 1,597
Broadly held −545

Quarterly Activity

vs Dec 31, 2025
New
24
Increased
19
Decreased
7
Sold Out
10
Unchanged
17
Holder count: +14
Institutional value: +217.4%
Shares held: +51.0%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP +109,800 181,600
Mid Nantahala Capital Management, LLC +105,000 692,335
Mega JANE STREET GROUP, LLC +67,595 79,436
Large RENAISSANCE TECHNOLOGIES LLC +37,902 228,599
Mega BANK OF AMERICA CORP /DE/ +24,654 25,033

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega MILLENNIUM MANAGEMENT LLC −18,053 16,425
Small CM Management, LLC −15,000 35,000
Mega MORGAN STANLEY −4,315 21,030
Mega ROYAL BANK OF CANADA −157 789
Mega FMR LLC −61 23

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 268,952 $5,126,225
Small Opaleye Management Inc. 265,707 $5,064,375
Large Walleye Capital LLC 65,926 $1,256,549
Large SEI INVESTMENTS CO 54,940 $1,047,156
Small Huntleigh Advisors, Inc. 52,603 $1,002,613

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 297,247 $2,696,029
Large TWO SIGMA ADVISERS, LP 21,213 $192,401
Small Rothschild Wealth LLC 19,000 $172,330
Micro Perritt Capital Management Inc 19,000 $172,330
Mega AQR CAPITAL MANAGEMENT LLC 14,172 $128,540
Filter: New 24 Increased 19 Reduced 7 Sold out 10 Unchanged 17
Showing 69 of 69
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mid Nantahala Capital Management, LLC $13,195,905 25.64% 692,335
Mega VANGUARD CAPITAL MANAGEMENT LLC $5,126,225 9.96% 268,952
Small Opaleye Management Inc. $5,064,375 9.84% 265,707
Large RENAISSANCE TECHNOLOGIES LLC $4,357,096 8.47% 228,599
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $2,857,094 5.55% 149,900
Large EDGEWOOD MANAGEMENT LLC $2,049,274 3.98% 107,517
Mega BlackRock, Inc. $1,716,067 3.33% 90,035
Mega JANE STREET GROUP, LLC $1,514,049 2.94% 79,436
Mega GEODE CAPITAL MANAGEMENT, LLC $1,454,544 2.83% 76,314
Large Walleye Capital LLC $1,256,549 2.44% 65,926
Large SEI INVESTMENTS CO $1,047,156 2.03% 54,940
Small Huntleigh Advisors, Inc. $1,002,613 1.95% 52,603
Mega CITADEL ADVISORS LLC $977,510 1.90% 51,286
Small Informed Momentum Co LLC $860,463 1.67% 45,145
Large MARSHALL WACE, LLP $777,113 1.51% 40,772
Small CM Management, LLC $667,100 1.30% 35,000
Mega VANGUARD FIDUCIARY TRUST CO Bank $655,435 1.27% 34,388
Mega TWO SIGMA INVESTMENTS, LP $639,977 1.24% 33,577
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $604,202 1.17% 31,700
Mega STATE STREET CORP $529,334 1.03% 27,772
Small CORSAIR CAPITAL MANAGEMENT, L.P. $486,963 0.95% 25,549
Small TSP Capital Management Group, LLC $477,567 0.93% 25,056
Mega BANK OF AMERICA CORP /DE/ Bank $477,128 0.93% 25,033
Mega CITADEL ADVISORS LLC $443,640 0.86% 23,276
Mega MORGAN STANLEY $400,830 0.78% 21,030
Mid Quadrature Capital Ltd $356,174 0.69% 18,687
Large Squarepoint Ops LLC $341,021 0.66% 17,892
Mega MILLENNIUM MANAGEMENT LLC $313,060 0.61% 16,425
Large Empowered Funds, LLC $305,226 0.59% 16,014
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $305,226 0.59% 16,014
Micro Verdad Advisers, LP $296,211 0.58% 15,541
Mega NORTHERN TRUST CORP Bank $277,704 0.54% 14,570
Mega DIMENSIONAL FUND ADVISORS LP $269,412 0.52% 14,135
Mega UBS Group AG $120,668 0.23% 6,331
Small THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. $85,749 0.17% 4,499
Large ACADIAN ASSET MANAGEMENT LLC $74,314 0.14% 3,899
Mega Vanguard Global Advisers, LLC $39,358 0.08% 2,065
Mega ROYAL BANK OF CANADA Bank $15,037 0.03% 789
Large OSAIC HOLDINGS, INC. $7,166 0.01% 376
Mega CITIGROUP INC $6,194 0.01% 325
Small MCF Advisors LLC $1,906 0.00% 100
Mega WELLS FARGO & COMPANY/MN $1,905 0.00% 100
Mega JPMORGAN CHASE & CO $1,676 0.00% 88
Small Annis Gardner Whiting Capital Advisors, LLC $1,524 0.00% 80
Small Axiom Investment Management LLC $1,200 0.00% 63
Mid Arax Advisory Partners $1,200 0.00% 63
Micro Strategic Investment Solutions, Inc. /IL $953 0.00% 50
Small Activest Wealth Management $953 0.00% 50
Small Darwin Wealth Management, LLC $876 0.00% 46
Small Financial Management Professionals, Inc. $857 0.00% 45
Mid MAI Capital Management $552 0.00% 29
Small Key Financial Inc $552 0.00% 29
Mega FMR LLC $438 0.00% 23
Mid Allworth Financial LP $343 0.00% 18
Small SOA Wealth Advisors, LLC. $304 0.00% 16
Mid Smartleaf Asset Management LLC $304 0.00% 16
Large Federation des caisses Desjardins du Quebec $247 0.00% 13
Mid Advisory Services Network, LLC $190 0.00% 10
Mid SBI Securities Co., Ltd. Broker-Dealer $190 0.00% 10
Small NFSG Corp $152 0.00% 8
Micro Main Street Group, LTD $152 0.00% 8
Small Cassaday & Co Wealth Management LLC $152 0.00% 8
Mid IFP Advisors, Inc $95 0.00% 5
Mid Larson Financial Group LLC $95 0.00% 5
Mid Inspire Investing, LLC $57 0.00% 3
Small Caitong International Asset Management Co., Ltd $57 0.00% 3
Mid UMB Bank, n.a. $38 0.00% 2
Large TD Waterhouse Canada Inc. $38 0.00% 2
Large JONES FINANCIAL COMPANIES LLLP $38 0.00% 2

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