Marshall Wace
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Marshall Wace’s Atomera ATOM Stock Holding History

Marshall Wace’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 		$2.32M Sell
266,796
-221,879
-45% -$1.74M ﹤0.01% 1776
2026
Q1 		$1.86M Buy
488,675
+309,399
+173% +$1.17M ﹤0.01% 1829
2025
Q4 		$396K Buy
+179,276
New +$542K ﹤0.01% 2341
2025
Q3 		– Sell
-131,816
Closed -$664K – 2879
2025
Q2 		$664K Sell
131,816
-338,451
-72% -$1.81M ﹤0.01% 2035
2025
Q1 		$1.88M Buy
+470,267
New +$3.66M ﹤0.01% 1491
2024
Q4 		– Sell
-13,535
Closed -$35.6K – 2570
2024
Q3 		$35.6K Buy
+13,535
New +$42.2K ﹤0.01% 2421
2023
Q4 		– Sell
-11,934
Closed -$74.7K – 2164
2023
Q3 		$74.7K Sell
11,934
-20,983
-64% -$150K ﹤0.01% 2060
2023
Q2 		$289K Buy
+32,917
New +$260K ﹤0.01% 2153
2021
Q4 		– Sell
-37,755
Closed -$872K – 3841
2021
Q3 		$872K Buy
+37,755
New +$819K ﹤0.01% 2102

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 $3.37T AUM 44.26% 1-Year Est. Return

Marshall Wace's ATOM Position: Q2 2026 in Review

Marshall Wace reduced its Atomera (ATOM) stake by 45% in Q2 2026, selling an estimated $1.74M and leaving 266,796 shares worth $2.32M. The position accounts for ﹤0.01% of the portfolio, ranked #1776.

Marshall Wace first reported a position in ATOM in Q3 2021 and has held it in 9 quarters since. 122 funds tracked by Wall St. Rank hold ATOM as of Q2 2026.

  • Marshall Wace held 266,796 shares of Atomera worth $2.32M as of Q2 2026.
  • Marshall Wace sold 221,879 Atomera shares in Q2 2026, an estimated $1.74M.
  • Atomera made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #1776 holding.
  • Marshall Wace first reported a position in Atomera in Q3 2021 and has held it in 9 quarters since.
  • 122 funds tracked by Wall St. Rank held Atomera as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.