Simplex Trading
ATOM icon

Simplex Trading’s Atomera ATOM Stock Holding History

Simplex Trading’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
Q2 		$236K Buy
27,100
+22,700
+516% +$178K ﹤0.01% 4499
2026
Q1 		$16.8K Sell
4,400
-6,000
-58% -$22.6K ﹤0.01% 6903
2025
Q4 		$23K Sell
10,400
-37,400
-78% -$113K ﹤0.01% 6347
2025
Q3 		$211K Sell
47,800
-30,400
-39% -$125K ﹤0.01% 4877
2025
Q2 		$394K Buy
78,200
+42,600
+120% +$227K ﹤0.01% 3767
2025
Q1 		$142K Buy
35,600
+29,500
+484% +$230K ﹤0.01% 4681
2024
Q4 		$70K Sell
6,100
-37,800
-86% -$218K ﹤0.01% 5518
2024
Q3 		$115K Sell
43,900
-1,700
-4% -$5.3K ﹤0.01% 5081
2024
Q2 		$173K Buy
45,600
+41,700
+1,069% +$197K ﹤0.01% 4791
2024
Q1 		$24K Buy
3,900
+3,500
+875% +$24K ﹤0.01% 6931
2023
Q4 		$2K Sell
400
-3,500
-90% -$23.2K ﹤0.01% 8211
2023
Q3 		$24K Sell
3,900
-15,500
-80% -$111K ﹤0.01% 6457
2023
Q2 		$170K Buy
19,400
+14,700
+313% +$116K ﹤0.01% 4482
2023
Q1 		$29K Sell
4,700
-32,100
-87% -$217K ﹤0.01% 6510
2022
Q4 		$228K Buy
36,800
+2,500
+7% +$20.5K ﹤0.01% 4064
2022
Q3 		$347K Sell
34,300
-6,600
-16% -$78.1K ﹤0.01% 3901
2022
Q2 		$383K Buy
40,900
+32,600
+393% +$359K ﹤0.01% 3787
2022
Q1 		$108K Buy
8,300
+2,900
+54% +$43.4K ﹤0.01% 6020
2021
Q4 		$108K Sell
5,400
-5,500
-50% -$129K ﹤0.01% 6132
2021
Q3 		$232K Sell
10,900
-300
-3% -$6.51K ﹤0.01% 5361
2021
Q2 		$240K Buy
11,200
+11,170
+37,233% +$229K ﹤0.01% 5377
2021
Q1 		$73K Buy
30
+3
+11% +$88 ﹤0.01% 6153
2020
Q4 		$43K Sell
27
-153
-85% -$1.6K ﹤0.01% 6329
2020
Q3 		$188K Buy
+180
New +$1.89K ﹤0.01% 4189

Other funds holding ATOM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AC
Avenir Corporation Alexandria, Virginia $821M AUM 4.23% 1-Year Est. Return
Baird Financial Group
Baird Financial Group Milwaukee, Wisconsin $72.7B AUM 26.4% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
QPW
Quantum Private Wealth Tampa, Florida $390M AUM 58.18% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Simplex Trading's ATOM Position: Q2 2026 in Review

Simplex Trading sold out of Atomera (ATOM) in Q2 2026, closing a stake of 648 shares — an estimated $5.08K sold.

Simplex Trading first reported a position in ATOM in Q3 2020 and held it in 19 quarters. The position peaked at $871K in Q4 2024. 121 funds tracked by Wall St. Rank hold ATOM as of Q2 2026.

  • Simplex Trading reported no remaining Atomera position as of Q2 2026 after selling out during the quarter.
  • Simplex Trading sold 648 Atomera shares in Q2 2026, an estimated $5.08K.
  • Simplex Trading first reported a position in Atomera in Q3 2020 and held it in 19 quarters.
  • Simplex Trading's Atomera position peaked at $871K in Q4 2024.
  • 121 funds tracked by Wall St. Rank held Atomera as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.