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 		$303K Buy
79,500
+41,800
+111% +$158K ﹤0.01% 10453
2025
Q4 		$83.3K Sell
37,700
-48,600
-56% -$147K ﹤0.01% 11770
2025
Q3 		$381K Sell
86,300
-122,900
-59% -$505K ﹤0.01% 9784
2025
Q2 		$1.05M Sell
209,200
-18,100
-8% -$96.6K ﹤0.01% 6969
2025
Q1 		$909K Buy
227,300
+191,200
+530% +$1.49M ﹤0.01% 7181
2024
Q4 		$419K Sell
36,100
-5,500
-13% -$31.7K ﹤0.01% 8957
2024
Q3 		$109K Buy
41,600
+14,900
+56% +$46.4K ﹤0.01% 10995
2024
Q2 		$102K Sell
26,700
-31,600
-54% -$149K ﹤0.01% 10898
2024
Q1 		$359K Sell
58,300
-66,600
-53% -$457K ﹤0.01% 9085
2023
Q4 		$876K Buy
124,900
+17,200
+16% +$114K ﹤0.01% 6940
2023
Q3 		$674K Buy
107,700
+54,700
+103% +$390K ﹤0.01% 7408
2023
Q2 		$465K Sell
53,000
-6,600
-11% -$52.1K ﹤0.01% 8109
2023
Q1 		$380K Buy
59,600
+1,400
+2% +$9.46K ﹤0.01% 8870
2022
Q4 		$362K Sell
58,200
-27,200
-32% -$223K ﹤0.01% 8916
2022
Q3 		$865K Buy
85,400
+22,200
+35% +$263K ﹤0.01% 7308
2022
Q2 		$593K Sell
63,200
-73,300
-54% -$807K ﹤0.01% 8254
2022
Q1 		$1.78M Buy
136,500
+50,300
+58% +$753K ﹤0.01% 6345
2021
Q4 		$1.73M Buy
86,200
+39,700
+85% +$933K ﹤0.01% 6580
2021
Q3 		$1.07M Sell
46,500
-9,500
-17% -$206K ﹤0.01% 7971
2021
Q2 		$1.2M Sell
56,000
-43,200
-44% -$887K ﹤0.01% 7862
2021
Q1 		$2.43M Buy
99,200
+60,300
+155% +$1.76M ﹤0.01% 5947
2020
Q4 		$626K Sell
38,900
-18,200
-32% -$190K ﹤0.01% 7723
2020
Q3 		$597K Buy
+57,100
New +$601K ﹤0.01% 6965

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.