ATOM · Insider trading · 13F holders · Congress trades
Atomera Inc (ATOM)
Who is buying and selling ATOM: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 4
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $137K
- Congress trades, 12 months
- 0
ATOM at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 3 ATOM insiders filed 4 sales worth $137K on SEC Form 4, and no open-market purchases; 4 of the sales were pre-planned under Rule 10b5-1.
- 4 13F filers hold ATOM among their 50 largest positions, worth $19.5M combined. The biggest bets by portfolio weight are Avenir Corp (1.6%), Quantum Private Wealth, LLC (0.9%) and Defender Capital, LLC. (0.8%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in ATOM.
- ATOM last closed at $3.31 on Oct 29, 2026.
ATOM insider trading
Between Aug 1, 2026 and Oct 29, 2026, 3 ATOM insiders filed 4 sales worth $137K on SEC Form 4, and no open-market purchases; 4 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Sep 3, 2026 | Bibaud Scott A. | CEO and President, Director | Sale10b5-1 | 13,756 | $4.05 | $56K | SEC |
| Sep 3, 2026 | Mears Robert J | Chief Technology Officer | Sale10b5-1 | 12,679 | $3.96 | $50K | SEC |
| Sep 3, 2026 | Laurencio Francis | CFO | Sale10b5-1 | 6,504 | $4.05 | $26K | SEC |
| Aug 4, 2026 | Mears Robert J | Chief Technology Officer | Sale10b5-1 | 1,000 | $5.05 | $5K | SEC |
Who owns ATOM? Hedge funds and superinvestors
4 13F filers hold ATOM among their 50 largest positions, worth $19.5M combined. The biggest bets by portfolio weight are Avenir Corp (1.6%), Quantum Private Wealth, LLC (0.9%) and Defender Capital, LLC. (0.8%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Avenir CorpWealth manager | 1.6% | $12.8M | 1,468,660 | +0.5% shares | Q2 2026 |
| Quantum Private Wealth, LLCWealth manager | 0.9% | $3.3M | 762,062 | +2.4% shares | Q3 2026 |
| Defender Capital, LLC.Wealth manager | 0.8% | $2.6M | 594,450 | +101.2% shares | Q3 2026 |
| Andar Capital Management HK LtdHedge fund | 0.4% | $784K | 90,000 | New | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 2, Q2 2026: 2). Screen ATOM in the grand portfolio →
ATOM stock trades by members of Congress
No member of Congress has disclosed a trade in ATOM.
ATOM questions and answers
Are insiders buying ATOM stock?
Between Aug 1, 2026 and Oct 29, 2026, 3 ATOM insiders filed 4 sales worth $137K on SEC Form 4, and no open-market purchases; 4 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own ATOM?
4 13F filers hold ATOM among their 50 largest positions, worth $19.5M combined. The biggest bets by portfolio weight are Avenir Corp (1.6%), Quantum Private Wealth, LLC (0.9%) and Defender Capital, LLC. (0.8%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
Has Congress traded ATOM?
No member of Congress has disclosed a trade in ATOM.
Who is the largest holder of ATOM?
Among 13F filers, Avenir Corp reports the largest ATOM position, $12.8M (1,468,660 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Avenir Corp's: 1.6% of its portfolio.
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