Fidelity Investments
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Fidelity Investments’s Atossa Therapeutics ATOS Stock Holding History

Fidelity Investments’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
Q1 		– Sell
-491
Closed -$4.34K – 5428
2025
Q4 		$4.34K Hold
491
– – ﹤0.01% 4909
2025
Q3 		$6.38K Sell
491
-645
-57% -$7.97K ﹤0.01% 4720
2025
Q2 		$14.1K Buy
1,136
+517
+84% +$6.18K ﹤0.01% 4415
2025
Q1 		$6.25K Sell
619
-134
-18% -$1.63K ﹤0.01% 4644
2024
Q4 		$10.7K Buy
753
+171
+29% +$3.34K ﹤0.01% 4449
2024
Q3 		$13.3K Buy
582
+308
+112% +$6.22K ﹤0.01% 4341
2024
Q2 		$4.89K Sell
274
-4
-1% -$88 ﹤0.01% 4556
2024
Q1 		$7.49K Hold
278
– – ﹤0.01% 4374
2023
Q4 		$3.66K Sell
278
-1
-0.4% -$11 ﹤0.01% 4531
2023
Q3 		$3.08K Sell
279
-33
-11% -$479 ﹤0.01% 4445
2023
Q2 		$5.9K Sell
312
-728
-70% -$8.83K ﹤0.01% 4315
2023
Q1 		$11.3K Buy
1,040
+854
+459% +$9.52K ﹤0.01% 4081
2022
Q4 		$1.48K Buy
186
+133
+251% +$1.53K ﹤0.01% 4580
2022
Q3 		$1K Sell
53
-258
-83% -$3.75K ﹤0.01% 4626
2022
Q2 		$5K Buy
311
+237
+320% +$3.73K ﹤0.01% 4295
2022
Q1 		$1K Buy
+74
New +$1.5K ﹤0.01% 4758
2021
Q4 		– Sell
-1
Closed – – 4309
2021
Q3 		$0 Buy
+1
New +$58 ﹤0.01% 4316
2021
Q2 		– Hold
0
– – – 4216
2018
Q4 		– Sell
-2
Closed – – 3511
2018
Q3 		$0 Buy
+2
New +$65 ﹤0.01% 3506

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

Fidelity Investments's ATOS Position: Q1 2026 in Review

Fidelity Investments sold out of Atossa Therapeutics (ATOS) in Q1 2026, closing a stake of 491 shares — an estimated $4.34K sold.

Fidelity Investments first reported a position in ATOS in Q3 2018 and held it in 18 quarters. The position peaked at $14.1K in Q2 2025. 33 funds tracked by Wall St. Rank hold ATOS as of Q1 2026.

  • Fidelity Investments reported no remaining Atossa Therapeutics position as of Q1 2026 after selling out during the quarter.
  • Fidelity Investments sold 491 Atossa Therapeutics shares in Q1 2026, an estimated $4.34K.
  • Fidelity Investments first reported a position in Atossa Therapeutics in Q3 2018 and held it in 18 quarters.
  • Fidelity Investments's Atossa Therapeutics position peaked at $14.1K in Q2 2025.
  • 33 funds tracked by Wall St. Rank held Atossa Therapeutics as of Q1 2026.

Based on Fidelity Investments's 13F filing for Q1 2026, filed 15 May 2026.