Brown Advisory’s Atomera ATOM Stock Holding History

Brown Advisory’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	$271K	Sell	31,143 -69,100	-69%	-$542K	﹤0.01%	1311
2026 Q1	$382K	Hold	100,243	–	–	﹤0.01%	1141
2025 Q4	$222K	Sell	100,243 -52,200	-34%	-$158K	﹤0.01%	1311
2025 Q3	$674K	Hold	152,443	–	–	﹤0.01%	954
2025 Q2	$768K	Sell	152,443 -48,150	-24%	-$257K	﹤0.01%	873
2025 Q1	$802K	Sell	200,593 -50,000	-20%	-$389K	﹤0.01%	835
2024 Q4	$2.91M	Sell	250,593 -81,000	-24%	-$467K	﹤0.01%	588
2024 Q3	$872K	Buy	331,593 +274,681	+483%	+$856K	﹤0.01%	817
2024 Q2	$217K	Buy	+56,912	New	+$268K	﹤0.01%	1156
2023 Q4	–	Sell	-10,000	Closed	-$62.6K	–	1221
2023 Q3	$62.6K	Buy	+10,000	New	+$71.3K	﹤0.01%	1167
2023 Q2	–	Sell	-58,725	Closed	-$374K	–	1185
2023 Q1	$374K	Buy	58,725 +925	+2%	+$6.25K	﹤0.01%	980
2022 Q4	$360K	Hold	57,800	–	–	﹤0.01%	985
2022 Q3	$585K	Hold	57,800	–	–	﹤0.01%	822
2022 Q2	$542K	Hold	57,800	–	–	﹤0.01%	832
2022 Q1	$754K	Hold	57,800	–	–	﹤0.01%	767
2021 Q4	$1.16M	Hold	57,800	–	–	﹤0.01%	700
2021 Q3	$1.33M	Hold	57,800	–	–	﹤0.01%	645
2021 Q2	$1.24M	Hold	57,800	–	–	﹤0.01%	656
2021 Q1	$1.42M	Hold	57,800	–	–	﹤0.01%	642
2020 Q4	$930K	Hold	57,800	–	–	﹤0.01%	668
2020 Q3	$604K	Hold	57,800	–	–	﹤0.01%	701
2020 Q2	$520K	Hold	57,800	–	–	﹤0.01%	723
2020 Q1	$202K	Hold	57,800	–	–	﹤0.01%	863
2019 Q4	$178K	Hold	57,800	–	–	﹤0.01%	995
2019 Q3	$218K	Hold	57,800	–	–	﹤0.01%	929
2019 Q2	$290K	Hold	57,800	–	–	﹤0.01%	877
2019 Q1	$156K	Buy	+57,800	New	+$198K	﹤0.01%	1266

Other funds holding ATOM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Avenir Corporation Alexandria, Virginia $821M AUM 4.23% 1-Year Est. Return

Baird Financial Group Milwaukee, Wisconsin $72.7B AUM 26.4% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

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

Brown Advisory's ATOM Position: Q2 2026 in Review

Brown Advisory reduced its Atomera (ATOM) stake by 69% in Q2 2026, selling an estimated $542K and leaving 31,143 shares worth $271K. The position accounts for ﹤0.01% of the portfolio, ranked #1311.

Brown Advisory first reported a position in ATOM in Q1 2019 and has held it in 27 quarters since. The position peaked at $2.91M in Q4 2024. 122 funds tracked by Wall St. Rank hold ATOM as of Q2 2026.

Brown Advisory held 31,143 shares of Atomera worth $271K as of Q2 2026.
Brown Advisory sold 69,100 Atomera shares in Q2 2026, an estimated $542K.
Atomera made up ﹤0.01% of Brown Advisory's portfolio in Q2 2026, its #1311 holding.
Brown Advisory first reported a position in Atomera in Q1 2019 and has held it in 27 quarters since.
Brown Advisory's Atomera position peaked at $2.91M in Q4 2024.
122 funds tracked by Wall St. Rank held Atomera as of Q2 2026.

Based on Brown Advisory's 13F filing for Q2 2026, filed 14 Aug 2026.