Atossa Therapeutics, Inc. · NASDAQ:ATOS

Atossa Therapeutics, Inc. shareholders

As of Jun 30, 2026, 30 institutions reported holding Atossa Therapeutics, Inc., 13.5% of its shares. Largest: Vanguard, Ameriprise and BlackRock. New holders, exits, insiders and big stakes, each with its filing.

HolderShares% of Atossa Therapeutics, Inc.ChangeFiled
Vanguard417K4.2%+12,999Aug 13, 2026
Ameriprise258K2.6%+3,100Aug 14, 2026
BlackRock164K1.6%+31,189Aug 7, 2026
Renaissance Technologies132K1.3%+23,036Aug 13, 2026
Geode Capital92,3820.93%−4,679Aug 12, 2026
UBS82,6200.83%−9,414Aug 13, 2026
Jane Street56,6020.57%newAug 14, 2026
Millennium46,5080.47%−20,231Aug 14, 2026
State Street39,7610.40%no changeAug 7, 2026
Northern Trust20,2490.20%+1,025Aug 13, 2026

Atossa Therapeutics, Inc. insider trades