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, Q2 2026
Institutional positions in Atomera Inc as of Jun 30, 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
- 121
- +15 vs. Q1 2026
- Shares held
- 20.9M
- +4.81M (+29.9%) vs. Q1 2026
- Total value
- $181.8M
- +$120.6M (+196.9%) vs. Q1 2026
- New holders
- 31
- 50 more added
- Sold out
- 16
- 24 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Atomera Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Trexquant Investment LP | 225,139 | $1.96M | 0.01% | +225,139 | New |
| Pathstone Holdings, LLC | 250,905 | $2.19M | 0.01% | 00.0% | Unchanged |
| Marshall Wace, LLP | 266,796 | $2.32M | 0.00% | −221,879−45.4% | Reduced |
| Morgan Stanley | 274,394 | $2.39M | 0.00% | +2,792+1.0% | Added |
| Vanguard Fiduciary Trust Co | 274,960 | $2.39M | 0.00% | +58,568+27.1% | Added |
| Defender Capital, LLC. | 295,450 | $2.57M | 0.84% | +295,450 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 352,205 | $3.07M | 0.01% | +331,118+1,570.2% | Added |
| Northern Trust Corp | 370,601 | $3.23M | 0.00% | +81,921+28.4% | Added |
| Vanguard Portfolio Management LLC | 554,452 | $4.83M | 0.00% | +375,482+209.8% | Added |
| Hollencrest Capital Management | 573,266 | $4.99M | 0.33% | −23,933−4.0% | Reduced |
| Two Sigma Investments, LP | 667,667 | $5.82M | 0.00% | +137,667+26.0% | Added |
| State Street Corp | 717,862 | $6.25M | 0.00% | +139,965+24.2% | Added |
| Quantum Private Wealth, LLC | 743,895 | $6.48M | 1.66% | +145,586+24.3% | Added |
| Jane Street Group, LLC | 809,991 | $7.06M | 0.00% | +650,315+407.3% | Added |
| Geode Capital Management, LLC | 990,370 | $8.63M | 0.00% | +220,673+28.7% | Added |
| UBS Group AG | 1,328,824 | $11.6M | 0.00% | +1,152,963+655.6% | Added |
| Baird Financial Group, Inc. | 1,340,888 | $11.7M | 0.02% | +63,208+4.9% | Added |
| Avenir Corp | 1,468,660 | $12.8M | 1.56% | +7,245+0.5% | Added |
| Vanguard Capital Management LLC | 1,664,565 | $14.5M | 0.00% | +376,404+29.2% | Added |
| D. E. Shaw & Co., Inc. | 1,890,019 | $16.5M | 0.01% | +914,396+93.7% | Added |
| BlackRock, Inc. | 2,990,446 | $26.0M | 0.00% | +617,602+26.0% | Added |
| Arosa Capital Management LP | 0 | $0 | 0.00% | −490,000−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −163,066−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −25,449−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −23,082−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −17,873−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −11,093−100.0% | Sold out |
| Act Wealth Management, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| GHP Investment Advisors, Inc. | 0 | $0 | 0.00% | −4,433−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −1,514−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −648−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Lodestone Wealth Management LLC | 0 | $0 | 0.00% | −170−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −82−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |