Atomera Incorporated (ATOM) ownership: Top institutional holder: BlackRock, Inc. ($9.04M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 2372844.00 | $9.04M | 2026-03-31 |
| AVENIR CORP | 1461415.00 | $5.57M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1288161.00 | $4.91M | 2026-03-31 |
| Baird Financial Group, Inc. | 1277680.00 | $4.87M | 2026-03-31 |
| CITADEL ADVISORS LLC | 1049979.00 | $4.00M | 2026-03-31 |
| D. E. Shaw & Co., Inc. | 975623.00 | $3.72M | 2026-03-31 |
| VANGUARD GROUP INC | 1645828.00 | $3.64M | 2025-12-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 769697.00 | $2.93M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 | |
| Sell | null | 2026-06-15 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.