# ASSERTIO HOLDINGS INC COM NEW

ASSERTIO HOLDINGS INC COM NEW is a security (CUSIP 04546C304) tracked across SEC portfolio filings. 51 institutional managers reported $45.6M on Form 13F as of 2026-06-30; 5 registered fund positions totaling $1.7M via N-PORT as of 2026-03-31.

## Summary

- Issuer: ASSERTIO HOLDINGS INC
- Class: COM NEW
- CUSIP: 04546C304
- Asset category: EC
- 13F holders: 51
- 13F value: $45.6M
- 13F period: 2026-06-30
- N-PORT fund positions: 5
- N-PORT value: $1.7M
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 51 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| Nantahala Capital Management, LLC | New Canaan, CT | $13.2M | 692,335 |
| [Opaleye Management Inc.](https://search.stillhousedata.com/firm/124513) | Boston, MA | $5.1M | 265,707 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $4.4M | 228,599 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $3.5M | — |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $2.7M | 297,247 |
| [EDGEWOOD MANAGEMENT LLC](https://search.stillhousedata.com/firm/106647) | GREENWICH, CT | $2.0M | 107,517 |
| BlackRock, Inc. | New York, NY | $1.7M | 90,035 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $1.5M | 79,436 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $1.5M | 76,314 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $1.4M | 51,286 |
| SEI INVESTMENTS CO | OAKS, PA | $1.0M | 54,940 |
| EAM Investors, LLC | Solana Beach, CA | $860K | 45,145 |
| [MARSHALL WACE, LLP](https://search.stillhousedata.com/firm/160885) | LONDON, X0 | $777K | 40,772 |
| CM Management, LLC | GULF BREEZE, FL | $667K | 35,000 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $640K | 33,577 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $1.3M | 0.16% |
| [Perritt MicroCap Opportunities Fund](https://search.stillhousedata.com/fund/S000039929) | Perritt Funds Inc | $165K | 26.46% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $97K | 0.02% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $78K | 0.03% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $10K | 0.03% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/04546C304.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.