Latest Period
Q1 2026
Security Snapshot
Atomera Inc - Common Stock, $0.001 par value per share (ATOM) Institutional Ownership
CUSIP: 04965B100
13F Institutional Holders and Ownership History from Q3 2016 to Q2 2026
Institutions Reporting
108
Shares (Excl. Options)
16,094,643
Price
$3.81
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- Security type / class
- Equity / Common Stock, $0.001 par value per share
- Symbol
- ATOM on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 16,094,643
- Total 13F value
- $61,272,990
- Portfolio coverage rank
- 0%
- Share change
- +5,711,736
- Value change
- +$22,394,893
- Number of holders
- 108
- Shares outstanding
- 36,206,897
- SEC-reported price per share
- $8.71
- Insider filing price
- $8.71
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ATOM - Atomera Inc - Common Stock, $0.001 par value per share is tracked under CUSIP 04965B100.
- 108 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 108 to 3 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $61,272,990 to $2,579,554.
Research use
- 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.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 108 institutions filings for Q1 2026.
Security key
04965B100
Latest holder period
Q1 2026
13F holders
108
13D/G owners
1
CIK / CUSIP context first
Open Q1 2026 holders
ATOM full holder history
Atomera Inc SEC filings
Atomera Inc company facts
Atomera Inc insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 04965B100:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
ATOM
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 5.6% | $8,670,030 | 1,720,244 | BlackRock, Inc. | 30 Jun 2025 |
As of 31 Mar 2026, 108 institutional investors reported holding 16,094,643 shares of Atomera Inc - Common Stock, $0.001 par value per share (ATOM). This represents 44% of the company’s total 36,206,897 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
41%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6.6% | 2,372,844 | +20% | 0% | $9,040,535 |
| AVENIR CORP | 4% | 1,461,415 | +138% | 0.68% | $5,567,991 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.6% | 1,288,161 | 0% | 0% | $4,907,893 |
| Baird Financial Group, Inc. | 3.5% | 1,277,680 | +309% | 0.01% | $4,867,961 |
| CITADEL ADVISORS LLC | 2.9% | 1,049,979 | +1224% | 0% | $4,000,420 |
| D. E. Shaw & Co., Inc. | 2.7% | 975,623 | +1568% | 0% | $3,717,124 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.1% | 769,697 | +3.9% | 0% | $2,933,406 |
| Quantum Private Wealth, LLC | 1.7% | 598,309 | -0.09% | 0.7% | $2,279,559 |
| HOLLENCREST CAPITAL MANAGEMENT | 1.6% | 597,199 | -1.5% | 0.08% | $2,275,328 |
| STATE STREET CORP | 1.6% | 577,897 | +18% | 0% | $2,201,788 |
| TWO SIGMA INVESTMENTS, LP | 1.5% | 530,000 | +192% | 0% | $2,019,300 |
| Arosa Capital Management LP | 1.4% | 490,000 | 1.2% | $1,866,900 | |
| MARSHALL WACE, LLP | 1.3% | 488,675 | +173% | 0% | $1,861,852 |
| NORTHERN TRUST CORP | 0.8% | 288,680 | +4.5% | 0% | $1,099,870 |
| MORGAN STANLEY | 0.75% | 271,602 | +59% | 0% | $1,034,803 |
| Pathstone Holdings, LLC | 0.69% | 250,905 | +49% | 0% | $955,949 |
| VANGUARD FIDUCIARY TRUST CO | 0.6% | 216,392 | 0% | 0% | $824,454 |
| GOLDMAN SACHS GROUP INC | 0.55% | 197,693 | +42% | 0% | $753,210 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.49% | 178,970 | 0% | 0% | $681,876 |
| Sargent Investment Group, LLC | 0.49% | 175,900 | +5.9% | 0.09% | $670,179 |
| UBS Group AG | 0.49% | 175,861 | +15% | 0% | $670,031 |
| RENAISSANCE TECHNOLOGIES LLC | 0.45% | 163,066 | 0% | $621,281 | |
| JANE STREET GROUP, LLC | 0.44% | 159,676 | -6.9% | 0% | $608,365 |
| Westside Investment Management, Inc. | 0.42% | 150,877 | +0.96% | 0.09% | $574,849 |
| AQR CAPITAL MANAGEMENT LLC | 0.34% | 123,545 | +456% | 0% | $470,708 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
40
Latest
Q1 2026
Rows shown
1-25 of 40
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 296,160 | $2,579,554 | +$2,536,071 | $8.71 | 3 |
| 2026 Q1 | 16,094,643 | $61,272,990 | +$22,394,893 | $3.81 | 108 |
| 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 |