Latest Period
Q4 2025
Security Snapshot
Atomera Inc - Common Stock (ATOM) Institutional Ownership
CUSIP: 04965B100
13F Institutional Holders and Ownership History from Q3 2016 to Q1 2026
Institutions Reporting
95
Shares (Excl. Options)
10,333,581
Price
$2.21
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- Type / Class
- Equity / Common Stock
- Symbol
- ATOM on Nasdaq
- Shares outstanding
- 36,206,897
- Price per share
- $5.45
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 10,333,581
- Total reported value
- $22,866,610
- % of total 13F portfolios
- 0%
- Share change
- -218,611
- Value change
- -$734,472
- Number of holders
- 95
- Price from insider filings
- $5.45
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- ATOM - Atomera Inc - Common Stock is tracked under CUSIP 04965B100.
- 95 institutions reported positions in Q4 2025.
- 2 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 95 to 22 between Q4 2025 and Q1 2026.
- Reported value moved from $22,866,610 to $3,542,063.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 95 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 04965B100?
CUSIP 04965B100 identifies ATOM - Atomera Inc - Common Stock in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 04965B100:
Significant Owners of Atomera Inc - Common Stock (ATOM) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| CVI Investments, Inc. | 5.8% | $6,405,000 | 2,100,000 | CVI Investments, Inc. | 23 Feb 2026 | |||
| BlackRock, Inc. | 5.6% | $8,670,030 | 1,720,244 | BlackRock, Inc. | 30 Jun 2025 |
As of 31 Dec 2025, 95 institutional investors reported holding 10,333,581 shares of Atomera Inc - Common Stock (ATOM). This represents 29% of the company’s total 36,206,897 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Atomera Inc - Common Stock (ATOM) together control 26% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 5.4% | 1,973,176 | +4% | 0% | $4,360,720 |
| VANGUARD GROUP INC | 4.5% | 1,645,828 | +0.6% | 0% | $3,637,279 |
| GEODE CAPITAL MANAGEMENT, LLC | 2% | 740,985 | +2.4% | 0% | $1,637,871 |
| AVENIR CORP | 1.7% | 614,385 | +1.7% | 0.15% | $1,357,791 |
| HOLLENCREST CAPITAL MANAGEMENT | 1.7% | 606,546 | +1.2% | 0.05% | $1,340,467 |
| Quantum Private Wealth, LLC | 1.7% | 598,847 | +14% | 0.39% | $1,323,453 |
| STATE STREET CORP | 1.4% | 489,147 | +9.5% | 0% | $1,081,015 |
| Baird Financial Group, Inc. | 0.86% | 312,120 | -68% | 0% | $689,785 |
| NORTHERN TRUST CORP | 0.76% | 276,128 | -5.9% | 0% | $610,243 |
| TWO SIGMA INVESTMENTS, LP | 0.5% | 181,328 | +99% | 0% | $400,735 |
| MARSHALL WACE, LLP | 0.5% | 179,276 | 0% | $396,199 | |
| JANE STREET GROUP, LLC | 0.47% | 171,424 | +243% | 0% | $378,847 |
| MORGAN STANLEY | 0.47% | 171,001 | +110% | 0% | $377,913 |
| Pathstone Holdings, LLC | 0.46% | 167,905 | 0% | $371,071 | |
| Sargent Investment Group, LLC | 0.46% | 166,050 | +1.5% | 0.05% | $366,971 |
| UBS Group AG | 0.42% | 152,915 | -10% | 0% | $337,942 |
| Westside Investment Management, Inc. | 0.41% | 149,447 | -20% | 0.05% | $330,285 |
| GOLDMAN SACHS GROUP INC | 0.38% | 138,761 | +33% | 0% | $306,662 |
| BROWN ADVISORY INC | 0.28% | 100,243 | -34% | 0% | $221,537 |
| XTX Topco Ltd | 0.27% | 96,270 | 0.01% | $212,757 | |
| GSA CAPITAL PARTNERS LLP | 0.26% | 95,783 | 0.02% | $212,000 | |
| CITADEL ADVISORS LLC | 0.22% | 79,293 | -57% | 0% | $175,238 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.2% | 73,576 | +0.1% | 0% | $162,603 |
| COMMONWEALTH EQUITY SERVICES, LLC | 0.18% | 66,922 | +0.3% | 0% | $147,900 |
| TWO SIGMA ADVISERS, LP | 0.17% | 62,700 | +218% | 0% | $138,567 |
Institutional Holders of Atomera Inc - Common Stock (ATOM) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 929,902 | $3,542,063 | +$15,462 | $3.81 | 22 |
| 2025 Q4 | 10,333,581 | $22,866,610 | -$734,472 | $2.21 | 95 |
| 2025 Q3 | 10,554,115 | $46,643,106 | -$3,377,816 | $4.42 | 84 |
| 2025 Q2 | 11,210,517 | $56,270,164 | +$10,512,928 | $5.04 | 89 |
| 2025 Q1 | 9,202,505 | $36,817,771 | +$400,086 | $4.00 | 80 |
| 2024 Q4 | 8,457,224 | $97,869,987 | +$27,604,267 | $11.60 | 75 |
| 2024 Q3 | 6,270,922 | $16,494,204 | -$1,686,600 | $2.63 | 66 |
| 2024 Q2 | 6,796,433 | $25,894,616 | -$5,760,167 | $3.81 | 75 |
| 2024 Q1 | 8,167,600 | $50,312,674 | -$874,866 | $6.16 | 73 |
| 2023 Q4 | 8,278,740 | $57,939,503 | +$1,558,396 | $7.01 | 74 |
| 2023 Q3 | 8,245,851 | $51,637,423 | -$3,593,883 | $6.26 | 77 |
| 2023 Q2 | 8,682,979 | $76,146,075 | +$10,116,393 | $8.77 | 82 |
| 2023 Q1 | 7,567,932 | $48,171,063 | -$381,918 | $6.37 | 81 |
| 2022 Q4 | 7,403,577 | $46,050,001 | -$965,905 | $6.22 | 78 |
| 2022 Q3 | 7,478,594 | $75,764,940 | +$993,246 | $10.13 | 70 |
| 2022 Q2 | 7,413,697 | $69,550,794 | -$2,651,834 | $9.38 | 67 |
| 2022 Q1 | 7,662,999 | $100,105,142 | -$538,702 | $13.06 | 71 |
| 2021 Q4 | 7,588,965 | $152,633,628 | -$820,606 | $20.12 | 81 |
| 2021 Q3 | 7,165,898 | $165,525,961 | -$1,687,773 | $23.09 | 78 |
| 2021 Q2 | 7,262,888 | $155,716,514 | +$3,591,742 | $21.44 | 78 |
| 2021 Q1 | 7,004,800 | $171,623,298 | +$28,839,549 | $24.50 | 76 |
| 2020 Q4 | 5,823,864 | $93,704,323 | +$11,032,845 | $16.09 | 56 |
| 2020 Q3 | 5,258,549 | $54,943,138 | +$4,429,248 | $10.45 | 52 |
| 2020 Q2 | 4,803,923 | $43,205,833 | +$10,450,410 | $9.00 | 39 |
| 2020 Q1 | 3,645,310 | $311,243,000 | +$299,006 | $3.50 | 20 |
| 2019 Q4 | 3,525,149 | $10,858,000 | -$83,374 | $3.08 | 15 |
| 2019 Q3 | 3,540,949 | $13,348,000 | +$316,922 | $3.77 | 20 |
| 2019 Q2 | 3,475,222 | $24,590,000 | +$6,479,621 | $5.03 | 18 |
| 2019 Q1 | 3,335,188 | $9,002,000 | -$491,846 | $2.67 | 17 |
| 2018 Q4 | 3,571,993 | $10,251,940 | +$3,580,372 | $2.87 | 19 |
| 2018 Q3 | 1,660,429 | $9,914,400 | +$507,758 | $5.98 | 17 |
| 2018 Q2 | 1,962,008 | $12,005,350 | +$792,459 | $6.12 | 16 |
| 2018 Q1 | 1,832,397 | $11,435,560 | -$1,666,012 | $6.24 | 15 |
| 2017 Q4 | 2,102,770 | $9,105,538 | +$93,184 | $4.33 | 11 |
| 2017 Q3 | 2,088,172 | $8,123,850 | +$3,502,842 | $3.89 | 13 |
| 2017 Q2 | 1,187,783 | $5,113,403 | +$159,492 | $4.27 | 9 |
| 2017 Q1 | 1,151,555 | $8,150,950 | +$935,570 | $7.08 | 7 |
| 2016 Q4 | 1,030,116 | $6,948,000 | -$6,353 | $6.75 | 9 |
| 2016 Q3 | 1,024,848 | $7,994,000 | +$7,994,000 | $7.81 | 11 |