Security key
04546C106
Indivior Pharmaceuticals Inc - COMMON STOCK (ASRT)
CUSIP: 04546C106
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 6,984,102
- Total 13F value
- $212,875,429
- Share change
- +6,984,102
- SEC-reported price per share
- $30.48
- Number of holders
- 1
- Value change
- +$212,875,429
- Number of buys
- 1
Report period
Q1 2026
Institutions
1
Top holders
0
ASRT full security history
Ownership snapshot
Previous quarter: Q3 2024
Assertio Holdings, Inc. SEC filings
Assertio Holdings, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 04546C106
Recent filing periods:
Ownership snapshot
Top reported holders of ASRT - Indivior Pharmaceuticals Inc - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Nantahala Capital Managem...
Disclosed value leader
Nantahala Capital Managem...
Comparable rows
2/7
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 11%
5 rows are not safely comparable across share classes.
13D/G row: Nantahala Capital Management, LLC
Showing 1-6 of 7 holder rows.
Quick read
Nantahala Capital Management, LLC leads the comparable SEC ownership view at 11%.
2 of 7 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Nantahala Capital Management, LLC's linked filing trail.
Comparable ownership
Top 2
Nantahala Capital Management, LLC
11%
Opaleye Management Inc.
4.4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 7 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Nantahala Capital Management, LLC |
13D/G
|
11%
|
$6,279,478
692,335 shares
|
-$74,881,929 | 31 Mar 2026 |
| Opaleye Management Inc. |
13F
Company
|
4.4%
|
$2,584,950
285,000 shares
|
— | 31 Dec 2025 |
| Daniel A. Peisert |
3/4/5
President & CEO, Director
|
—
class O/S missing
|
$965,101
324,939 shares
|
— | 11 Sep 2023 |
| Brendan P. O'Grady |
3/4/5
CEO, Director
|
—
mixed-class rows
|
$485,665
1,217,815 shares
mixed-class rows
|
— | 31 May 2025 |
| Peter D. Staple |
3/4/5
Director
|
—
mixed-class rows
|
$356,987
453,086 shares
mixed-class rows
|
— | 23 May 2024 |
| James L. Tyree |
3/4/5
Director
|
—
mixed-class rows
|
$210,502
192,072 shares
mixed-class rows
|
— | 14 Mar 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Archived quarter
Historical 13F summary for Q1 2026
This older quarter remains available as an indexed ownership summary. Detailed holder rows are no longer kept in the hot table for this period.