California State Teachers Retirement System (CalSTRS)’s Atossa Therapeutics ATOS Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 Q2	–	Sell	-611	Closed	-$6.17K	–	2981
2025 Q1	$6.17K	Hold	611	–	–	﹤0.01%	2884
2024 Q4	$8.65K	Hold	611	–	–	﹤0.01%	2899
2024 Q3	$13.9K	Hold	611	–	–	﹤0.01%	2765
2024 Q2	$10.9K	Buy	+611	New	+$13.5K	﹤0.01%	2860
2022 Q2	–	Sell	-3,376	Closed	-$63K	–	3143
2022 Q1	$63K	Sell	3,376 -827	-20%	-$16.8K	﹤0.01%	2979
2021 Q4	$101K	Hold	4,203	–	–	﹤0.01%	2996
2021 Q3	$206K	Sell	4,203 -6,548	-61%	-$381K	﹤0.01%	2732
2021 Q2	$1.02M	Buy	+10,751	New	+$569K	﹤0.01%	2211

Other funds holding ATOS

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Qube Research & Technologies (QRT) London, United Kingdom $108B AUM 37.29% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s ATOS Position: Q2 2025 in Review

California State Teachers Retirement System (CalSTRS) sold out of Atossa Therapeutics (ATOS) in Q2 2025, closing a stake of 611 shares — an estimated $6.17K sold.

California State Teachers Retirement System (CalSTRS) first reported a position in ATOS in Q2 2021 and held it in 8 quarters. The position peaked at $1.02M in Q2 2021. 84 funds tracked by Wall St. Rank hold ATOS as of Q2 2025.

California State Teachers Retirement System (CalSTRS) reported no remaining Atossa Therapeutics position as of Q2 2025 after selling out during the quarter.
California State Teachers Retirement System (CalSTRS) sold 611 Atossa Therapeutics shares in Q2 2025, an estimated $6.17K.
California State Teachers Retirement System (CalSTRS) first reported a position in Atossa Therapeutics in Q2 2021 and held it in 8 quarters.
California State Teachers Retirement System (CalSTRS)'s Atossa Therapeutics position peaked at $1.02M in Q2 2021.
84 funds tracked by Wall St. Rank held Atossa Therapeutics as of Q2 2025.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q2 2025, filed 14 Aug 2025.