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ATOM — Atomera Inc Com Institutional Holders · Q3 2026

Who owns Atomera Inc Com (ATOM)? 5 institutions reported holding $2.60M in SEC 13F filings for Q3 2026 (period ended 2026-09-30). Largest holders: Defender Capital, LLC. ($2.6M), Armstrong Advisory Group, Inc ($2,900), GAMMA Investing LLC ($2,812).

RankInstitutionValueSharesChange
1Defender Capital, LLC.$2.6M594,450Added
2ARMSTRONG ADVISORY GROUP, INC$2,900665Hold
3GAMMA Investing LLC$2,812645Added
4MassMutual Private Wealth & Trust, FSB$00Exited
5Farther Finance Advisors, LLC$00Exited

Source: SEC Form 13F filings · as of 2026-09-30