Janney Montgomery Scott
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Janney Montgomery Scott’s Atossa Therapeutics ATOS Stock Holding History

Janney Montgomery Scott’s Portfolio ATOS Stock Details ATOS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-667
Closed -$6K – 2759
2025
Q4 		$6K Hold
667
– – ﹤0.01% 2907
2025
Q3 		$9K Hold
667
– – ﹤0.01% 2848
2025
Q2 		$8K Hold
667
– – ﹤0.01% 2696
2025
Q1 		$7K Hold
667
– – ﹤0.01% 2661
2024
Q4 		$9K Hold
667
– – ﹤0.01% 2677
2024
Q3 		$15K Sell
667
-100
-13% -$2.02K ﹤0.01% 2638
2024
Q2 		$14K Buy
+767
New +$17K ﹤0.01% 2585

Other funds holding ATOS

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Janney Montgomery Scott's ATOS Position: Q1 2026 in Review

Janney Montgomery Scott sold out of Atossa Therapeutics (ATOS) in Q1 2026, closing a stake of 667 shares — an estimated $6K sold.

Janney Montgomery Scott first reported a position in ATOS in Q2 2024 and held it in 7 quarters. The position peaked at $15K in Q3 2024. 33 funds tracked by Wall St. Rank hold ATOS as of Q1 2026.

  • Janney Montgomery Scott reported no remaining Atossa Therapeutics position as of Q1 2026 after selling out during the quarter.
  • Janney Montgomery Scott sold 667 Atossa Therapeutics shares in Q1 2026, an estimated $6K.
  • Janney Montgomery Scott first reported a position in Atossa Therapeutics in Q2 2024 and held it in 7 quarters.
  • Janney Montgomery Scott's Atossa Therapeutics position peaked at $15K in Q3 2024.
  • 33 funds tracked by Wall St. Rank held Atossa Therapeutics as of Q1 2026.

Based on Janney Montgomery Scott's 13F filing for Q1 2026, filed 22 Apr 2026.