Atomera Ownership | Who Owns Atomera?


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Atomera Ownership Summary


Atomera is owned by 13.12% institutional investors, 3.56% insiders, and 83.32% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 7.51% of ATOM shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.59% of its assets in Atomera shares.

ATOM Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockAtomera13.12%3.56%83.32%
SectorTechnology Stocks 36.77%14.76%48.48%
IdeaSemiconductor Stocks List 48.16%6.95%44.89%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock funding, inc. /de2.37M7.51%$9.04M
Vanguard group1.65M5.29%$3.64M
Avenir1.46M4.63%$5.57M
Baird financial group1.28M4.04%$4.87M
Citadel advisors1.05M3.32%$4.00M
D. e. shaw975.62K3.09%$3.72M
Geode capital management769.70K2.44%$2.93M
Quantum private wealth598.31K1.89%$2.28M
Hollencrest capital management597.20K1.89%$2.28M
State street577.90K1.83%$2.20M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Quantum private wealth598.31K0.70%$2.28M
Avenir1.46M0.68%$5.57M
Arosa capital management lp490.00K0.28%$1.87M
Sargent investment group175.90K0.09%$670.18K
Westside investment management150.88K0.09%$574.85K
Hollencrest capital management597.20K0.08%$2.28M
Cim investment management11.55K0.04%$133.97K
Channel wealth38.50K0.04%$146.69K
Slt12.50K0.03%$47.63K
Act wealth management10.00K0.01%$38.10K

Top Buyers

HolderShares% AssetsChange
Citadel advisors1.05M0.00%970.69K
Baird financial group1.28M0.01%965.56K
D. e. shaw975.62K0.00%917.13K
Avenir1.46M0.68%847.03K
Arosa capital management lp490.00K0.28%490.00K

Top Sellers

HolderShares% AssetsChange
Blackrock378.39K--1.11M
Amh equity---125.00K
Xtx topco---96.27K
Gsa capital partners llp---95.78K
Schonfeld strategic advisors---86.90K

New Positions

HolderShares% AssetsChangeValue
Arosa capital management lp490.00K0.28%490.00K$1.87M
Vanguard fiduciary trust216.39K0.00%216.39K$824.45K
Wolverine trading44.35K0.00%44.35K$572.52K
Mirabella financial services llp23.08K0.01%23.08K$87.94K
Connor, clark & lunn investment management21.09K0.00%21.09K$80.34K

Sold Out

HolderChange
Caitong asset management-1.00
Cibc private wealth group-1.00
Nelson, van denburg & campbell wealth management group-6.00
Nisa investment advisors-8.00
Versant capital management-43.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Mar 31, 202651-46.88%4,143,340-59.91%131.23%27-44.90%7-73.08%
Dec 31, 202567-25.56%9,223,008-12.87%292.44%3715.63%16-44.83%
Sep 30, 202584-13.40%10,561,461-5.89%342.55%30-43.40%268.33%
Jun 30, 2025978.99%11,229,82021.89%363.98%543.85%234.55%
Mar 31, 20254-95.24%504,686-94.03%10.18%2-96.30%1-88.89%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Vanguard US Total Market Shares ETF794.78K2.59%-
Vanguard Total Stock Mkt Idx Inv890.86K2.30%-
iShares Russell 2000 ETF720.18K1.86%6.06K
Vanguard Institutional Extnd Mkt Idx Tr367.97K0.95%39.72K
Fidelity Small Cap Index296.91K0.77%878.00
iShares Russell 2000 Growth ETF250.59K0.65%646.00
Russell 2000 Equity Index Fund B187.54K0.48%-37.00
Fidelity Extended Market Index178.59K0.46%7.70K
State St Russell Sm/Mid Cp® Indx SL Cl I178.54K0.46%-
Vanguard Russell 2000 ETF149.11K0.39%-854.00

Recent Insider Transactions


DateNameRoleActivityValue
Mar 02, 2026Mears Robert J Chief Technology OfficerSell$8.39K
Mar 02, 2026Mears Robert J Chief Technology OfficerSell$4.93K
Mar 02, 2026Mears Robert J Chief Technology OfficerSell$4.27K
Mar 02, 2026Mears Robert J Chief Technology OfficerSell$2.11K
Mar 02, 2026Laurencio Francis CFOSell$2.17K

Insider Transactions Trends


DateBuySell
2026 Q2--
2026 Q1-13
2025 Q4-12
2025 Q2-15
2025 Q1-13

ATOM Ownership FAQ


Who owns the most shares of Atomera?

Atomera’s largest shareholders are Blackrock funding, inc. /de (2.37M shares, 7.51%), Vanguard group (1.65M shares, 5.29%), and Avenir (1.46M shares, 4.63%). Together, they hold 17.42% of Atomera’s total shares outstanding.

Does Blackrock own Atomera?

BlackRock is not among the top 10 institutional shareholders of Atomera.

Who is Atomera’s biggest shareholder by percentage of total assets invested?

Quantum private wealth is Atomera’s biggest shareholder by percentage of total assets invested, with 0.70% of its assets in 598.31K Atomera shares, valued at 2.28M$.

Who is the top mutual fund holder of Atomera shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Atomera shares, with 2.59% of its total shares outstanding invested in 794.78K Atomera shares.

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