MassMutual Private Wealth & Trust’s Atomera ATOM Stock Holding History

MassMutual Private Wealth & Trust’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	$1.95K	Buy	+224	New	+$1.76K	﹤0.01%	2015
2022 Q2	–	Sell	-3,933	Closed	-$51K	–	1507
2022 Q1	$51K	Hold	3,933	–	–	﹤0.01%	466
2021 Q4	$79K	Buy	3,933 +672	+21%	+$15.8K	﹤0.01%	434
2021 Q3	$75K	Hold	3,261	–	–	﹤0.01%	433
2021 Q2	$70K	Hold	3,261	–	–	﹤0.01%	431
2021 Q1	$80K	Buy	3,261 +1,306	+67%	+$38.2K	﹤0.01%	404
2020 Q4	$31K	Buy	+1,955	New	+$20.4K	﹤0.01%	485

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

MassMutual Private Wealth & Trust's ATOM Position: Q2 2026 in Review

MassMutual Private Wealth & Trust opened a new position in Atomera (ATOM) in Q2 2026: 224 shares worth $1.95K. The stake represents ﹤0.01% of the portfolio and ranks #2015 among its holdings. This is a return to the name: MassMutual Private Wealth & Trust previously reported a position in ATOM as recently as Q1 2022.

MassMutual Private Wealth & Trust first reported a position in ATOM in Q4 2020 and has held it in 7 quarters since. The position peaked at $80K in Q1 2021. 122 funds tracked by Wall St. Rank hold ATOM as of Q2 2026.

MassMutual Private Wealth & Trust held 224 shares of Atomera worth $1.95K as of Q2 2026.
Atomera was a new MassMutual Private Wealth & Trust position in Q2 2026.
Atomera made up ﹤0.01% of MassMutual Private Wealth & Trust's portfolio in Q2 2026, its #2015 holding.
MassMutual Private Wealth & Trust first reported a position in Atomera in Q4 2020 and has held it in 7 quarters since.
MassMutual Private Wealth & Trust's Atomera position peaked at $80K in Q1 2021.
122 funds tracked by Wall St. Rank held Atomera as of Q2 2026.

Based on MassMutual Private Wealth & Trust's 13F filing for Q2 2026, filed 2 Jul 2026.