Citadel Advisors
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Citadel Advisors’s Atomera ATOM Stock Holding History

Citadel Advisors’s Portfolio ATOM Stock Details ATOM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$72K Buy
+18,900
New +$71.2K ﹤0.01% 12234
2025
Q4 		– Sell
-40,100
Closed -$177K – 12625
2025
Q3 		$177K Sell
40,100
-109,300
-73% -$449K ﹤0.01% 11385
2025
Q2 		$753K Buy
149,400
+38,900
+35% +$208K ﹤0.01% 7694
2025
Q1 		$442K Buy
110,500
+30,300
+38% +$236K ﹤0.01% 8748
2024
Q4 		$930K Buy
80,200
+54,200
+208% +$312K ﹤0.01% 7180
2024
Q3 		$68.4K Buy
26,000
+23,400
+900% +$72.9K ﹤0.01% 11590
2024
Q2 		$9.91K Sell
2,600
-46,300
-95% -$218K ﹤0.01% 13121
2024
Q1 		$301K Sell
48,900
-64,200
-57% -$440K ﹤0.01% 9443
2023
Q4 		$793K Sell
113,100
-27,600
-20% -$183K ﹤0.01% 7146
2023
Q3 		$881K Sell
140,700
-57,200
-29% -$408K ﹤0.01% 6838
2023
Q2 		$1.74M Buy
197,900
+100,700
+104% +$794K ﹤0.01% 5408
2023
Q1 		$619K Sell
97,200
-48,400
-33% -$327K ﹤0.01% 7874
2022
Q4 		$906K Sell
145,600
-3,400
-2% -$27.9K ﹤0.01% 6996
2022
Q3 		$1.51M Buy
149,000
+1,200
+0.8% +$14.2K ﹤0.01% 6141
2022
Q2 		$1.39M Sell
147,800
-45,800
-24% -$504K ﹤0.01% 6289
2022
Q1 		$2.53M Buy
193,600
+92,800
+92% +$1.39M ﹤0.01% 5569
2021
Q4 		$2.03M Sell
100,800
-30,000
-23% -$705K ﹤0.01% 6204
2021
Q3 		$3.02M Sell
130,800
-113,400
-46% -$2.46M ﹤0.01% 5343
2021
Q2 		$5.24M Sell
244,200
-120,300
-33% -$2.47M ﹤0.01% 4332
2021
Q1 		$8.93M Buy
364,500
+123,800
+51% +$3.62M ﹤0.01% 3159
2020
Q4 		$3.87M Buy
240,700
+122,900
+104% +$1.28M ﹤0.01% 4125
2020
Q3 		$1.23M Buy
+117,800
New +$1.24M ﹤0.01% 5654

Other funds holding ATOM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
AC
Avenir Corporation Alexandria, Virginia $820M AUM 2.4% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Baird Financial Group
Baird Financial Group Milwaukee, Wisconsin $64B AUM 22.64% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
QPW
Quantum Private Wealth Tampa, Florida $390M AUM 58.18% 1-Year Est. Return
HCM
Hollencrest Capital Management Newport Beach, California $2.7B AUM 23.62% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Citadel Advisors's ATOM Position: Q1 2026 in Review

Citadel Advisors increased its Atomera (ATOM) stake by 1,224% in Q1 2026, buying an estimated $3.66M and bringing the position to 1,049,979 shares worth $4M. The position accounts for ﹤0.01% of the portfolio, ranked #4710.

Citadel Advisors first reported a position in ATOM in Q1 2021 and has held it in 18 quarters since. 108 funds tracked by Wall St. Rank hold ATOM as of Q1 2026.

  • Citadel Advisors held 1,049,979 shares of Atomera worth $4M as of Q1 2026.
  • Citadel Advisors bought 970,686 Atomera shares in Q1 2026, an estimated $3.66M.
  • Atomera made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #4710 holding.
  • Citadel Advisors first reported a position in Atomera in Q1 2021 and has held it in 18 quarters since.
  • 108 funds tracked by Wall St. Rank held Atomera as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.