# ATOSSA THERAPEUTICS INC COM

ATOSSA THERAPEUTICS INC COM is a security (CUSIP 04962H704) tracked across SEC portfolio filings. 28 institutional managers reported $3.3M on Form 13F as of 2026-06-30; 4 registered fund positions totaling $498K via N-PORT as of 2026-04-30.

## Summary

- Issuer: ATOSSA THERAPEUTICS INC
- Class: COM
- CUSIP: 04962H704
- Asset category: EC
- 13F holders: 28
- 13F value: $3.3M
- 13F period: 2026-06-30
- N-PORT fund positions: 4
- N-PORT value: $498K
- N-PORT report: 2026-04-30

## Top institutional holders (Form 13F)

_Showing 15 of 28 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $700K | 133,169 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $573K | 109,007 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $511K | 97,061 |
| UBS Group AG | Zurich, V8 | $484K | 92,034 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $351K | 66,739 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $289K | — |
| STATE STREET CORP | BOSTON, MA | $209K | 39,761 |
| NORTHERN TRUST CORP | CHICAGO, IL | $101K | 19,224 |
| MORGAN STANLEY | NEW YORK, NY | $85K | 16,202 |
| JONES FINANCIAL COMPANIES LLLP | DES PERES, MO | $10K | 2,061 |
| Tower Research Capital LLC (TRC) | NEW YORK, NY | $5K | 863 |
| [GROUP ONE TRADING, L.P.](https://search.stillhousedata.com/firm/37484) | CHICAGO, IL | $3K | 609 |
| OSAIC HOLDINGS, INC. | PHOENIX, AZ | $3K | 587 |
| Royal Bank of Canada | TORONTO, A6 | $3K | 644 |
| [Rockefeller Capital Management L.P.](https://search.stillhousedata.com/firm/294197) | NEW YORK, NY | $2K | 353 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $455K | 0.06% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $34K | 0.01% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $13K | 0.02% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $-4K | -0.01% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/04962H704.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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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.