Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ATOM held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 2.4M | $9.0M | +20.3% | 7.301% | 0.00% |
| 2 | AVENIR CORP | 1.5M | $5.6M | +137.9% | 4.497% | 0.68% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 1.3M | $4.9M | β | 3.964% | 0.00% |
| 4 | Baird Financial Group, Inc. | 1.3M | $4.9M | +309.4% | 3.931% | 0.01% |
| 5 | CITADEL ADVISORS LLC | 1.1M | $4.4M | +881.6% | 3.533% | 0.00% |
| 6 | D. E. Shaw & Co., Inc. | 976K | $3.7M | +1567.9% | 3.002% | 0.00% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 770K | $2.9M | +3.9% | 2.368% | 0.00% |
| 8 | Quantum Private Wealth, LLC | 598K | $2.3M | -0.1% | 1.841% | 0.70% |
| 9 | HOLLENCREST CAPITAL MANAGEMENT | 597K | $2.3M | -1.5% | 1.837% | 0.08% |
| 10 | STATE STREET CORP | 578K | $2.2M | +18.1% | 1.778% | 0.00% |
| 11 | TWO SIGMA INVESTMENTS, LP | 530K | $2.0M | +192.3% | 1.631% | 0.00% |
| 12 | Arosa Capital Management LP | 490K | $1.9M | β | 1.508% | 0.54% |
| 13 | MARSHALL WACE, LLP | 489K | $1.9M | +172.6% | 1.504% | 0.00% |
| 14 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 458K | $1.7M | +536.9% | 1.408% | 0.00% |
| 15 | NORTHERN TRUST CORP | 289K | $1.1M | +4.5% | 0.888% | 0.00% |
| 16 | MORGAN STANLEY | 272K | $1.0M | +58.8% | 0.836% | 0.00% |
| 17 | Pathstone Holdings, LLC | 251K | $956K | +49.4% | 0.772% | 0.00% |
| 18 | VANGUARD FIDUCIARY TRUST CO | 216K | $824K | β | 0.666% | 0.00% |
| 19 | GOLDMAN SACHS GROUP INC | 198K | $753K | +42.5% | 0.608% | 0.00% |
| 20 | VANGUARD PORTFOLIO MANAGEMENT LLC | 179K | $682K | β | 0.551% | 0.00% |
| 21 | Sargent Investment Group, LLC | 176K | $670K | +5.9% | 0.541% | 0.09% |
| 22 | UBS Group AG | 176K | $670K | +15.0% | 0.541% | 0.00% |
| 23 | RENAISSANCE TECHNOLOGIES LLC | 163K | $621K | β | 0.502% | 0.00% |
| 24 | Westside Investment Management, Inc. | 151K | $575K | +1.0% | 0.464% | 0.09% |
| 25 | AQR CAPITAL MANAGEMENT LLC | 124K | $471K | +456.3% | 0.380% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in ATOM β a direct measure of their conviction.
Filings activity in ATOM during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 104 | +11% | 21.32% | +11.29 pp | $62M | +113% |
| Q4 2025 | 94 | +13% | 10.03% | 5.42 pp | $29M | 35% |
| Q3 2025 | 83 | 5.7% | 15.45% | 3.73 pp | $45M | 19% |
| Q2 2025 | 88 | +11% | 19.18% | +7.00 pp | $56M | +58% |
| Q1 2025 | 79 | +8.2% | 12.18% | 20.94 pp | $36M | 63% |
| Q4 2024 | 73 | +11% | 33.12% | +27.69 pp | $97M | +510% |
| Q3 2024 | 66 | 13% | 5.43% | 31.46 pp | $16M | 85% |
| Q2 2024 | 76 | β | 36.89% | β | $108M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ATOM stock.
Based on Q1 2026 13F filings, institutional ownership of Atomera Incorporated stands at 21.3%, held across 104 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of ATOM, with approximately 2,372,844 shares worth $0.01B as of Q1 2026.
Yes β 4 widely-followed marquee investors appear among the top 25 institutional holders of ATOM, including CITADEL ADVISORS LLC, TWO SIGMA INVESTMENTS, LP, SUSQUEHANNA INTERNATIONAL GROUP, LLP, RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for ATOM is 74 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
29 institutions opened new positions in ATOM during Q1 2026, while 19 fully exited. 67 added to existing positions and 7 trimmed.
ATOM institutional ownership rose by 11.29 percentage points quarter-over-quarter, with a net change of +10 holders.
The top 10 institutions account for 67.6% of all reported 13F value in ATOM, and the top 25 account for 93.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Atomera Incorporated (ATOM) Institutional Ownership