Millennium Management
ATOS icon

Millennium Management’s Atossa Therapeutics ATOS Stock Holding History

Millennium Management’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
Q2 		$89.8K Sell
46,508
-20,231
-30% -$92.2K ﹤0.01% 5524
2026
Q1 		$351K Sell
66,739
-16,119
-19% -$102K ﹤0.01% 4937
2025
Q4 		$733K Sell
82,858
-28,385
-26% -$359K ﹤0.01% 4692
2025
Q3 		$1.45M Sell
111,243
-25,259
-19% -$312K ﹤0.01% 4333
2025
Q2 		$1.7M Buy
+136,502
New +$1.63M ﹤0.01% 4018
2025
Q1 		– Sell
-1,943
Closed -$27.5K – 5838
2024
Q4 		$27.5K Buy
+1,943
New +$37.9K ﹤0.01% 5675
2024
Q3 		– Sell
-711
Closed -$12.7K – 6080
2024
Q2 		$12.7K Sell
711
-66,739
-99% -$1.48M ﹤0.01% 5582
2024
Q1 		$1.82M Buy
67,450
+64,299
+2,041% +$1.03M ﹤0.01% 3830
2023
Q4 		$41.6K Sell
3,151
-12,829
-80% -$138K ﹤0.01% 5510
2023
Q3 		$177K Sell
15,980
-5,114
-24% -$74.2K ﹤0.01% 5170
2023
Q2 		$399K Sell
21,094
-9,835
-32% -$119K ﹤0.01% 4702
2023
Q1 		$336K Sell
30,929
-6,642
-18% -$74.1K ﹤0.01% 4837
2022
Q4 		$298K Sell
37,571
-7,080
-16% -$81.3K ﹤0.01% 5115
2022
Q3 		$558K Sell
44,651
-57,649
-56% -$837K ﹤0.01% 4870
2022
Q2 		$1.67M Buy
+102,300
New +$1.61M ﹤0.01% 3887
2022
Q1 		– Sell
-4,616
Closed -$111K – 6883
2021
Q4 		$111K Sell
4,616
-12,985
-74% -$475K ﹤0.01% 6211
2021
Q3 		$861K Sell
17,601
-93,526
-84% -$5.44M ﹤0.01% 4844
2021
Q2 		$10.5M Buy
+111,127
New +$5.88M 0.01% 1832
2015
Q2 		– Sell
-17
Closed -$82K – 3301
2015
Q1 		$82K Buy
+17
New +$72.5K ﹤0.01% 3426
2014
Q2 		– Sell
-5
Closed -$23K – 3373
2014
Q1 		$23K Buy
+5
New +$29.6K ﹤0.01% 3384

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
Jane Street
Jane Street New York $1.21T AUM 78.12% 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

Millennium Management's ATOS Position: Q2 2026 in Review

Millennium Management reduced its Atossa Therapeutics (ATOS) stake by 30% in Q2 2026, selling an estimated $92.2K and leaving 46,508 shares worth $89.8K. The position accounts for ﹤0.01% of the portfolio, ranked #5524.

Millennium Management first reported a position in ATOS in Q1 2014 and has held it in 20 quarters since. The position peaked at $10.5M in Q2 2021. 31 funds tracked by Wall St. Rank hold ATOS as of Q2 2026.

  • Millennium Management held 46,508 shares of Atossa Therapeutics worth $89.8K as of Q2 2026.
  • Millennium Management sold 20,231 Atossa Therapeutics shares in Q2 2026, an estimated $92.2K.
  • Atossa Therapeutics made up ﹤0.01% of Millennium Management's portfolio in Q2 2026, its #5524 holding.
  • Millennium Management first reported a position in Atossa Therapeutics in Q1 2014 and has held it in 20 quarters since.
  • Millennium Management's Atossa Therapeutics position peaked at $10.5M in Q2 2021.
  • 31 funds tracked by Wall St. Rank held Atossa Therapeutics as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.