Atomera Inc (ATOM)
Technology
Semiconductor Equipment & Materials
5.20 $
+1.2%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Atomera Inc (ATOM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 96.7% of the shares are freely tradable; institutional investors hold 42.1%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
42.1%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
3.6%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
96.7%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
14.9%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
39Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 6.13 | 2,372,844 | +20.3 | 03/31/2026 |
| Vanguard Group Inc | 4.25 | 1,645,828 | +0.6 | 12/31/2025 |
| Avenir Corporation | 3.77 | 1,461,415 | +137.9 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.33 | 1,288,161 | +0.0 | 03/31/2026 |
| Baird Financial Group, Inc. | 3.30 | 1,277,680 | +309.4 | 03/31/2026 |
| Citadel Advisors Llc | 2.71 | 1,049,979 | +1,224.2 | 03/31/2026 |
| D. E. Shaw & Co LP | 2.52 | 975,623 | +1,567.9 | 03/31/2026 |
| Geode Capital Management, LLC | 1.99 | 769,697 | +3.9 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.90 | 1,121,555 | +25.9 | 04/30/2026 |
| iShares Russell 2000 ETF | 1.88 | 727,019 | +0.9 | 05/29/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.