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Cliff Asness’s Atossa Therapeutics ATOS Stock Holding History

Cliff Asness’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
Q3 		– Sell
-3,222
Closed -$40.1K – 3468
2025
Q2 		$40.1K Buy
3,222
+2,139
+198% +$25.6K ﹤0.01% 3249
2025
Q1 		$10.9K Buy
+1,083
New +$13.1K ﹤0.01% 3143
2022
Q3 		– Sell
-5,289
Closed -$86K – 2195
2022
Q2 		$86K Sell
5,289
-5,835
-52% -$91.9K ﹤0.01% 2104
2022
Q1 		$209K Sell
11,124
-661
-6% -$13.4K ﹤0.01% 2050
2021
Q4 		$283K Buy
11,785
+9,573
+433% +$350K ﹤0.01% 1998
2021
Q3 		$108K Buy
+2,212
New +$129K ﹤0.01% 2198

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
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 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
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
GCP
GSA Capital Partners London, United Kingdom $1.59B AUM 39.81% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

Cliff Asness's ATOS Position: Q3 2025 in Review

Cliff Asness sold out of Atossa Therapeutics (ATOS) in Q3 2025, closing a stake of 3,222 shares — an estimated $40.1K sold.

Cliff Asness first reported a position in ATOS in Q3 2021 and held it in 6 quarters. The position peaked at $283K in Q4 2021. 66 funds tracked by Wall St. Rank hold ATOS as of Q3 2025.

  • Cliff Asness reported no remaining Atossa Therapeutics position as of Q3 2025 after selling out during the quarter.
  • Cliff Asness sold 3,222 Atossa Therapeutics shares in Q3 2025, an estimated $40.1K.
  • Cliff Asness first reported a position in Atossa Therapeutics in Q3 2021 and held it in 6 quarters.
  • Cliff Asness's Atossa Therapeutics position peaked at $283K in Q4 2021.
  • 66 funds tracked by Wall St. Rank held Atossa Therapeutics as of Q3 2025.

Based on AQR Capital Management's 13F filing for Q3 2025, filed 14 Nov 2025.