Who owns Atomera Inc?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ATOM from SEC Form 13F filings across 121 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 121 institutions disclosed 20.9M shares of Atomera Inc worth $181.8M — about 54.1% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
121
13F holders
$181.8M
value, 2026 filers
54.1%
of shares outstanding (20.9M sh)
32
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ATOM's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 3.0M | $26.0M | 0.0% | 7.7% | +26.0% |
| 2 | D. E. Shaw & Co., Inc. | 1.9M | $16.5M | 0.0% | 4.9% | +93.7% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 1.7M | $14.5M | 0.0% | 4.3% | +29.2% |
| 4 | AVENIR CORP | 1.5M | $12.8M | 1.6% | 3.8% | +0.5% |
| 5 | Baird Financial Group, Inc. | 1.3M | $11.7M | 0.0% | 3.5% | +4.9% |
| 6 | UBS Group AG | 1.3M | $11.6M | 0.0% | 3.4% | +655.6% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 990,370 | $8.6M | 0.0% | 2.6% | +28.7% |
| 8 | JANE STREET GROUP, LLC | 809,991 | $7.1M | 0.0% | 2.1% | +407.3% |
| 9 | Quantum Private Wealth, LLC | 743,895 | $6.5M | 1.7% | 1.9% | +24.3% |
| 10 | STATE STREET CORP | 717,862 | $6.3M | 0.0% | 1.9% | +24.2% |
| 11 | TWO SIGMA INVESTMENTS, LP | 667,667 | $5.8M | 0.0% | 1.7% | +26.0% |
| 12 | HOLLENCREST CAPITAL MANAGEMENT | 573,266 | $5.0M | 0.3% | 1.5% | -4.0% |
| 13 | VANGUARD PORTFOLIO MANAGEMENT LLC | 554,452 | $4.8M | 0.0% | 1.4% | +209.8% |
| 14 | NORTHERN TRUST CORP | 370,601 | $3.2M | 0.0% | 1% | +28.4% |
| 15 | Connor, Clark & Lunn Investment Management Ltd. | 352,205 | $3.1M | 0.0% | 0.9% | +1570.2% |
| 16 | Defender Capital, LLC.NEW | 295,450 | $2.6M | 0.8% | 0.8% | new |
| 17 | VANGUARD FIDUCIARY TRUST CO | 274,960 | $2.4M | 0.0% | 0.7% | +27.1% |
| 18 | MORGAN STANLEY | 274,394 | $2.4M | 0.0% | 0.7% | +1.0% |
| 19 | MARSHALL WACE, LLP | 266,796 | $2.3M | 0.0% | 0.7% | -45.4% |
| 20 | Pathstone Holdings, LLC | 250,905 | $2.2M | 0.0% | 0.6% | 0.0% |
| 21 | Trexquant Investment LPNEW | 225,139 | $2.0M | 0.0% | 0.6% | new |
| 22 | CITADEL ADVISORS LLC | 221,842 | $1.9M | 0.0% | 0.6% | -78.9% |
| 23 | GOLDMAN SACHS GROUP INC | 178,193 | $1.6M | 0.0% | 0.5% | -9.9% |
| 24 | Sargent Investment Group, LLC | 175,900 | $1.5M | 0.2% | 0.5% | 0.0% |
| 25 | MILLENNIUM MANAGEMENT LLCNEW | 156,629 | $1.4M | 0.0% | 0.4% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.