ATOS icon

Atossa Therapeutics

0.7598 USD
-0.0177
2.28%
At close Aug 25, 4:00 PM EDT
Pre-market
0.7898
+0.0300
3.95%
1 day
-2.28%
5 days
-2.84%
1 month
-9.54%
3 months
-9.49%
6 months
0.74%
Year to date
-20.86%
1 year
-47.60%
5 years
-75.41%
10 years
-99.47%
 

About: Atossa Therapeutics Inc is a clinical stage biopharmaceutical company developing proprietary medicines in areas of unmet medical need in oncology. It focuses on the development of novel therapeutics and delivery methods for the treatment of breast cancer, other breast conditions and COVID-19. The company's drug under development for breast cancer and other breast conditions is Endoxifen. Its two COVID-19 drugs under development are AT-H201, to improve lung function of moderate to severely ill, hospitalized COVID-19 patients by inhalation; and AT-301, a nasal spray for COVID-19 patients for at-home use.

Employees: 13

0
Funds holding %
of 7,429 funds
Analysts bullish %

Fund manager confidence

Based on 2025 Q2 regulatory disclosures by fund managers ($100M+ AUM)

185% more call options, than puts

Call options by funds: $174K | Put options by funds: $61K

0% more first-time investments, than exits

New positions opened: 28 | Existing positions closed: 28

1% less funds holding

Funds holding: 83 [Q1] → 82 (-1) [Q2]

5.64% less ownership

Funds ownership: 21.95% [Q1] → 16.32% (-5.64%) [Q2]

8% less capital invested

Capital invested by funds: $19.1M [Q1] → $17.5M (-$1.59M) [Q2]

41% less repeat investments, than reductions

Existing positions increased: 13 | Existing positions reduced: 22

Research analyst outlook

2 Wall Street Analysts provided 1 year price targets over the past 3 months

Low target
$4
426%
upside
Avg. target
$5.75
657%
upside
High target
$7.50
887%
upside

2 analyst ratings

positive
100%
neutral
0%
negative
0%
Ascendiant Capital
Edward Woo
887%upside
$7.50
Buy
Maintained
6 Jun 2025
Craig-Hallum
Albert Lowe
426%upside
$4
Buy
Initiated
5 Jun 2025

Financial journalist opinion

Based on 3 articles about ATOS published over the past 30 days

Neutral
PRNewsWire
6 days ago
Atossa Therapeutics Selects PSI as Contract Research Organization for Pivotal Dose-Ranging Study of (Z)-Endoxifen in Metastatic Breast Cancer
Monotherapy Phase 2 study designed with FDA input; IND expected in Q4 2025 Topline results anticipated in 2026  Positions Atossa for transition into registrational Phase 3 development SEATTLE , Aug. 20, 2025 /PRNewswire/ -- Atossa Therapeutics, Inc. (Nasdaq: ATOS) ("Atossa" or the "Company"), a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer, announced today it has selected PSI, a leading global contract research organization (CRO), to operationalize and manage its planned (Z)-endoxifen monotherapy dose-ranging study in women with metastatic breast cancer (mBC). The study was designed following guidance from the U.S. Food and Drug Administration (FDA) and is intended to directly inform a subsequent Phase 3 trial.
Atossa Therapeutics Selects PSI as Contract Research Organization for Pivotal Dose-Ranging Study of (Z)-Endoxifen in Metastatic Breast Cancer
Neutral
PRNewsWire
2 weeks ago
Atossa Therapeutics Announces Second Quarter 2025 Financial Results and Provides a Corporate Update
FDA Provides Positive Feedback, Clears Path for Atossa to File IND for (Z)-Endoxifen in Metastatic Breast Cancer; FDA Indicates No Additional Toxicity Studies Required Strong I-SPY2 Results Reinforce Efficacy of Atossa's Monotherapy at 3-weeks SEATTLE , Aug. 12, 2025 /PRNewswire/ -- Atossa Therapeutics, Inc. (Nasdaq: ATOS) (Atossa or the Company), a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer, today announced its financial results for the second quarter ended June 30, 2025 and provided an update on recent company developments. "Atossa continues to make meaningful and measurable progress across our pipeline, underscored by recent, highly constructive interactions with the FDA that further support our (Z)-endoxifen development strategy in metastatic breast cancer," stated Dr. Steven Quay, Chairman and CEO of Atossa Therapeutics.
Atossa Therapeutics Announces Second Quarter 2025 Financial Results and Provides a Corporate Update
Neutral
PRNewsWire
4 weeks ago
Atossa Therapeutics Announces Positive FDA Feedback, Advances Toward IND for (Z)-Endoxifen Clinical Program in ER+/HER2- Metastatic Breast Cancer
SEATTLE , July 29, 2025 /PRNewswire/ -- Atossa Therapeutics, Inc. (NASDAQ: ATOS), a clinical-stage biopharmaceutical company developing innovative medicines in oncology, today announced positive written feedback from the U.S. Food and Drug Administration (FDA) regarding the company's proposed dose optimization trial of (Z)-endoxifen for the treatment of estrogen receptor positive (ER+), human epidermal growth factor receptor 2 negative (HER2-) metastatic breast cancer. With the FDA's feedback, Atossa is energized and moving quickly to advance (Z)-endoxifen in metastatic breast cancer.
Atossa Therapeutics Announces Positive FDA Feedback, Advances Toward IND for (Z)-Endoxifen Clinical Program in ER+/HER2- Metastatic Breast Cancer
Neutral
PRNewsWire
2 months ago
Atossa Therapeutics to Present at the Jefferies Global Healthcare Conference
SEATTLE , June 2, 2025 /PRNewswire/ -- Atossa Therapeutics, Inc. (Nasdaq: ATOS) ("Atossa" or the "Company"), a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer, today announced that Dr. Steven Quay, M.D., Ph.D., President and Chief Executive Officer, will present at the Jefferies Global Healthcare Conference on Thursday, June 5, 2025 at 7:35 a.m.
Atossa Therapeutics to Present at the Jefferies Global Healthcare Conference
Neutral
Accesswire
3 months ago
Join Atossa Therapeutics' Exclusive Live Investor Webinar and Q&A Session on May 22
SEATTLE, WASHINGTON / ACCESS Newswire / May 20, 2025 / Atossa Therapeutics, Inc. (Nasdaq:ATOS) ("Atossa" or the "Company"), a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer, is pleased to invite investors to a webinar on May 22, 2025, at 4:15 p.m. ET. The exclusive event, hosted by RedChip Companies, will feature Dr. Steven Quay, CEO of Atossa Therapeutics.
Join Atossa Therapeutics' Exclusive Live Investor Webinar and Q&A Session on May 22
Negative
Zacks Investment Research
3 months ago
Are Medical Stocks Lagging Atossa Genetics (ATOS) This Year?
Here is how Atossa Genetics Inc. (ATOS) and Clover Health Investments, Corp. (CLOV) have performed compared to their sector so far this year.
Are Medical Stocks Lagging Atossa Genetics (ATOS) This Year?
Neutral
PRNewsWire
3 months ago
Atossa Therapeutics Announces Full Results from I‑SPY 2 Endocrine‑Optimization Sub‑Study Evaluating Low‑Dose (Z)‑Endoxifen
Feasibility endpoint achieved; rapid Ki‑67 suppression and substantial MRI‑confirmed tumor shrinkage observed with favorable safety profile SEATTLE , May 14, 2025 /PRNewswire/ -- Atossa Therapeutics, Inc. (Nasdaq: ATOS) ("Atossa" or the "Company"), a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer, today reported full results from the Phase 2 Endocrine Optimization Pilot (EOP) sub‑study within the I‑SPY 2 TRIAL evaluating low‑dose oral (Z)‑endoxifen (10 mg daily) as a neoadjuvant treatment in 20 women with stage II/III estrogen‑receptor–positive (ER+), HER2‑negative breast cancer. Key Findings: Primary feasibility goal surpassed – 95 percent of participants (19/20) completed at least 75 percent of planned dosing, far exceeding the predefined 75 percent threshold.
Atossa Therapeutics Announces Full Results from I‑SPY 2 Endocrine‑Optimization Sub‑Study Evaluating Low‑Dose (Z)‑Endoxifen
Neutral
PRNewsWire
3 months ago
Atossa Therapeutics Announces First Quarter 2025 Financial Results and Provides a Corporate Update
Announced strategic plan to advance (Z)-endoxifen for metastatic breast cancer indication  Enhanced (Z)-endoxifen intellectual property portfolio with three new U.S. patents, expanding IP portfolio to more than 200 patent claims related to (Z)-endoxifen Ended first quarter 2025 with $65.1 million in cash and cash equivalents and no debt SEATTLE , May 13, 2025 /PRNewswire/ -- Atossa Therapeutics, Inc. (Nasdaq: ATOS) (Atossa or the Company), a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer, today announced its financial results for the first quarter ended March 31, 2025 and provided an update on recent company developments. First Quarter 2025 Highlights: Announced Strategic Decision to Pursue Metastatic Breast Cancer Indication: Atossa announced plans to target metastatic breast cancer as its lead program for (Z)-endoxifen.
Atossa Therapeutics Announces First Quarter 2025 Financial Results and Provides a Corporate Update
Neutral
GlobeNewsWire
3 months ago
Atossa Therapeutics Announces Issuance of U.S. Patent No. 12,281,056, Including 58 Claims Covering Various Formulations for its (Z)-endoxifen Portfolio
SEATTLE, April 30, 2025 (GLOBE NEWSWIRE) -- Atossa Therapeutics, Inc. (Nasdaq: ATOS) (“Atossa” or the “Company”), a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer, today announced that the United States Patent and Trademark Office (USPTO) has granted a new patent (U.S. Patent No. 12,281,056) directed to highly pure and stable enteric oral formulations comprising (Z)-endoxifen as well as therapeutic methods of using those oral formulations.
Atossa Therapeutics Announces Issuance of U.S. Patent No. 12,281,056, Including 58 Claims Covering Various Formulations for its (Z)-endoxifen Portfolio
Neutral
GlobeNewsWire
3 months ago
Atossa Therapeutics Proposes Potentially Groundbreaking Study Aimed at Reducing Interval Breast Cancer in High-Risk Women at AACR 2025
SEATTLE, April 29, 2025 (GLOBE NEWSWIRE) -- Atossa Therapeutics, Inc. (Nasdaq: ATOS) (“Atossa” or the “Company”), a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer, today outlined a framework for a pioneering Phase 3 clinical study titled SMART 2.0. The proposed trial would investigate the potential of oral (Z)-endoxifen, a potent Selective Estrogen Receptor Modulator (SERM) for estrogen receptor inhibition, to significantly reduce interval breast cancer in women identified as high-risk through advanced mammographic screening techniques. The proposed SMART 2.0 study was presented at the American Association for Cancer Research (AACR) Annual Meeting and represents a future research program and potential partnership opportunity to advance this critical initiative for women at high risk of breast cancer.
Atossa Therapeutics Proposes Potentially Groundbreaking Study Aimed at Reducing Interval Breast Cancer in High-Risk Women at AACR 2025
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