ATOS

Atossa Therapeutics Inc

Latest period2026 - Q1Total superinvestors34

The latest quarter's data is still being updated as more institutional investors submit their 13F reports, so the current information might be incomplete.

Top 10 Superinvestors by Shares Owned

This chart shows the top 10 superinvestors based on the number of shares they owned in 2025-Q4 and 2026-Q1. According to the most recent SEC 13F filing, 34 superinvestors own shares of Atossa Therapeutics Inc (ATOS), although recent data may remain incomplete due to pending filings.

Quarter-over-Quarter Change (%)

The most recent quarter may show incomplete data because not all institutional investors have filed their 13F reports yet.

This chart highlights the quarter-over-quarter change (%) in the number of superinvestors holding Atossa Therapeutics Inc (ATOS), the total shares they held, and the total reported dollar value. It gives a clear view of whether there is ongoing momentum. The dotted lines at the top and bottom adjust longer bars to keep smaller data points visible for better comparison.

Superinvestors' Activity (%) Over the Last 4 Quarters

This chart shows superinvestors' activity with Atossa Therapeutics Inc (ATOS) over the last four quarters, highlighting the percentage of investors who added, increased, decreased, held, or exited their positions, revealing shifts in sentiment over time.

Superinvestors' Past Actions

This chart displays superinvestors' past actions with Atossa Therapeutics Inc (ATOS) over the last 10 years (40 quarters), helping to visualize the collective momentum and investment trends over time.

Superinvestors ownership

Superinvestor	Portfolio %	Reported Value	Recent Activity
Christine M. Buchanan@Vanguard Capital Management Llc Recent Activity New Position	0.01%	$1.836M 349,096 shares@ 5.27 avg price	New Position
Michael G. Clarke@Ameriprise Financial Inc Recent Activity New Position	0.01%	$1.342M 255,134 shares@ 5.27 avg price	New Position
Spencer Fleming@Blackrock, Inc. Recent Activity New Position	0.01%	$700,469 133,169 shares@ 5.27 avg price	New Position
Tiffany Michel@Renaissance Technologies Llc Recent Activity New Position	0.01%	$573,377 109,007 shares@ 5.27 avg price	New Position
Laura Doherty@Geode Capital Management, Llc Recent Activity New Position	0.01%	$510,657 97,061 shares@ 5.27 avg price	New Position
Andrew Johnson@Ubs Group Ag Recent Activity New Position	0.01%	$484,099 92,034 shares@ 5.27 avg price	New Position
Gil Raviv@Millennium Management Llc Recent Activity New Position	0.01%	$351,047 66,739 shares@ 5.26 avg price	New Position
Brian Sopinsky@Susquehanna International Group, Llp Recent Activity New Position	0.01%	$289,300↓ Put 55,000 shares@ 5.26 avg price	New Position
Christine M. Buchanan@Vanguard Fiduciary Trust Co Recent Activity New Position	0.01%	$274,756 52,235 shares@ 5.26 avg price	New Position
ELIZABETH SCHAEFER@State Street Corp Recent Activity New Position	0.01%	$209,143 39,761 shares@ 5.27 avg price	New Position

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