Commonwealth Equity Services
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Commonwealth Equity Services’s Atossa Therapeutics ATOS Stock Holding History

Commonwealth Equity Services’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
2025
Q4 		– Sell
-3,067
Closed -$40K – 4284
2025
Q3 		$40K Hold
3,067
– – ﹤0.01% 4175
2025
Q2 		$38K Hold
3,067
– – ﹤0.01% 4183
2025
Q1 		$31K Hold
3,067
– – ﹤0.01% 4102
2024
Q4 		$43K Buy
3,067
+665
+28% +$13K ﹤0.01% 3992
2024
Q3 		$55K Buy
2,402
+667
+38% +$13.5K ﹤0.01% 3924
2024
Q2 		$31K Sell
1,735
-19
-1% -$420 ﹤0.01% 3933
2024
Q1 		$47K Sell
1,754
-469
-21% -$7.53K ﹤0.01% 3900
2023
Q4 		$29K Hold
2,223
– – ﹤0.01% 3796
2023
Q3 		$25K Sell
2,223
-84
-4% -$1.22K ﹤0.01% 3717
2023
Q2 		$44K Buy
2,307
+3
+0.1% +$36 ﹤0.01% 3676
2023
Q1 		$25K Sell
2,304
-250
-10% -$2.79K ﹤0.01% 3651
2022
Q4 		$20K Buy
2,554
+668
+35% +$7.67K ﹤0.01% 3597
2022
Q3 		$23K Sell
1,886
-133
-7% -$1.93K ﹤0.01% 3561
2022
Q2 		$33K Hold
2,019
– – ﹤0.01% 3530
2022
Q1 		$37K Sell
2,019
-10
-0.5% -$203 ﹤0.01% 3613
2021
Q4 		$48K Buy
2,029
+133
+7% +$4.87K ﹤0.01% 3536
2021
Q3 		$92K Sell
1,896
-330
-15% -$19.2K ﹤0.01% 3436
2021
Q2 		$210K Buy
2,226
+134
+6% +$7.09K ﹤0.01% 3231
2021
Q1 		$66K Buy
+2,092
New +$76.4K ﹤0.01% 3315
2016
Q3 		– Sell
-15
Closed -$11K – 2257
2016
Q2 		$11K Hold
15
– – ﹤0.01% 2218
2016
Q1 		$14K Buy
+15
New +$13.9K ﹤0.01% 2179

Other funds holding ATOS

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

Commonwealth Equity Services's ATOS Position: Q4 2025 in Review

Commonwealth Equity Services sold out of Atossa Therapeutics (ATOS) in Q4 2025, closing a stake of 3,067 shares — an estimated $40K sold.

Commonwealth Equity Services first reported a position in ATOS in Q1 2016 and held it in 21 quarters. The position peaked at $210K in Q2 2021. 67 funds tracked by Wall St. Rank hold ATOS as of Q4 2025.

  • Commonwealth Equity Services reported no remaining Atossa Therapeutics position as of Q4 2025 after selling out during the quarter.
  • Commonwealth Equity Services sold 3,067 Atossa Therapeutics shares in Q4 2025, an estimated $40K.
  • Commonwealth Equity Services first reported a position in Atossa Therapeutics in Q1 2016 and held it in 21 quarters.
  • Commonwealth Equity Services's Atossa Therapeutics position peaked at $210K in Q2 2021.
  • 67 funds tracked by Wall St. Rank held Atossa Therapeutics as of Q4 2025.

Based on Commonwealth Equity Services's 13F filing for Q4 2025, filed 12 Feb 2026.