Atomera Inc
ATOM- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001420520
In the last 90 days, Atomera Inc insiders filed 0 open-market purchases and 5 sales; 121 institutions reported holding it in 13F filings for Q2 2026, worth $181.8M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Atomera Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 108
- +15 vs. Q4 2025
- Shares held
- 16.1M
- +7.41M (+85.3%) vs. Q4 2025
- Total value
- $61.3M
- +$42.0M (+218.7%) vs. Q4 2025
- New holders
- 30
- 39 more added
- Sold out
- 15
- 18 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ATOM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 121 | $181.8M |
| Q1 2026 | 108 | $61.3M |
| Q4 2025 | 95 | $22.9M |
| Q3 2025 | 85 | $46.6M |
| Q2 2025 | 89 | $56.4M |
| Q1 2025 | 81 | $36.9M |
| Q4 2024 | 75 | $97.9M |
| Q3 2024 | 66 | $16.5M |
| Q2 2024 | 77 | $25.9M |
| Q1 2024 | 74 | $50.3M |
| Q4 2023 | 75 | $57.9M |
| Q3 2023 | 79 | $51.6M |
| Q2 2023 | 83 | $76.1M |
| Q1 2023 | 84 | $48.2M |
| Q4 2022 | 80 | $46.1M |
| Q3 2022 | 74 | $75.8M |
| Q2 2022 | 71 | $69.6M |
| Q1 2022 | 75 | $100.1M |
| Q4 2021 | 82 | $152.6M |
| Q3 2021 | 81 | $165.5M |
| Q2 2021 | 81 | $155.7M |
| Q1 2021 | 78 | $171.6M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Atomera Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Quantum Private Wealth, LLC | 598,309 | $2.28M | 0.70% | −538−0.1% | Reduced |
| Geode Capital Management, LLC | 769,697 | $2.93M | 0.00% | +28,712+3.9% | Added |
| D. E. Shaw & Co., Inc. | 975,623 | $3.72M | 0.00% | +917,129+1,567.9% | Added |
| Citadel Advisors LLC | 1,049,979 | $4.00M | 0.00% | +970,686+1,224.2% | Added |
| Baird Financial Group, Inc. | 1,277,680 | $4.87M | 0.01% | +965,560+309.4% | Added |
| Vanguard Capital Management LLC | 1,288,161 | $4.91M | 0.00% | +1,288,161 | New |
| Avenir Corp | 1,461,415 | $5.57M | 0.68% | +847,030+137.9% | Added |
| BlackRock, Inc. | 2,372,844 | $9.04M | 0.00% | +399,668+20.3% | Added |
| XTX Topco Ltd | 0 | $0 | 0.00% | −96,270−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −95,783−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −62,700−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −38,047−100.0% | Sold out |
| Aristides Capital LLC | 0 | $0 | 0.00% | −33,500−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −31,143−100.0% | Sold out |
| Hilltop Holdings Inc. | 0 | $0 | 0.00% | −24,200−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −13,511−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −13,561−100.0% | Sold out |
| Cim Investment Mangement Inc | 0 | $0 | 0.00% | −10,906−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −5,215−100.0% | Sold out |
| California State Teachers Retirement System | 0 | $0 | 0.00% | −1,853−100.0% | Sold out |
| Tucker Asset Management LLC | 0 | $0 | 0.00% | −1,360−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −949−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| New Millennium Group LLC | – | – | – | – | Not filed |