Jane Street
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Jane Street’s Atossa Therapeutics ATOS Stock Holding History

Jane Street’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
2022
Q2 		– Sell
-1,160
Closed -$22K – 9623
2022
Q1 		$22K Sell
1,160
-4,193
-78% -$85.2K ﹤0.01% 9906
2021
Q4 		$128K Sell
5,353
-4,374
-45% -$160K ﹤0.01% 9103
2021
Q3 		$476K Sell
9,727
-73,000
-88% -$4.25M ﹤0.01% 7364
2021
Q2 		$7.84M Buy
82,727
+77,474
+1,475% +$4.1M ﹤0.01% 2006
2021
Q1 		$166K Buy
+5,253
New +$192K ﹤0.01% 8395

Other funds holding ATOS

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Jane Street's ATOS Position: Q1 2026 in Review

Jane Street sold out of Atossa Therapeutics (ATOS) in Q1 2026, closing a stake of 16,400 shares — an estimated $145K sold.

Jane Street first reported a position in ATOS in Q3 2013 and held it in 22 quarters. The position peaked at $8.37M in Q2 2021. 33 funds tracked by Wall St. Rank hold ATOS as of Q1 2026.

  • Jane Street reported no remaining Atossa Therapeutics position as of Q1 2026 after selling out during the quarter.
  • Jane Street sold 16,400 Atossa Therapeutics shares in Q1 2026, an estimated $145K.
  • Jane Street first reported a position in Atossa Therapeutics in Q3 2013 and held it in 22 quarters.
  • Jane Street's Atossa Therapeutics position peaked at $8.37M in Q2 2021.
  • 33 funds tracked by Wall St. Rank held Atossa Therapeutics as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.