Atomera Ownership | Who Owns Atomera?

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Atomera Ownership Summary

Atomera is owned by 29.63% institutional investors, 5.40% insiders, and 64.97% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 6.34% of ATOM shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.84% of its assets in Atomera shares.

ATOM Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Atomera	29.63%	5.40%	64.97%
Sector	Technology Stocks	34.40%	12.94%	52.66%
Idea	Semiconductor Stocks List	60.61%	7.19%	32.20%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	1.97M	6.34%	$4.36M
Vanguard group	1.65M	5.29%	$3.64M
Baird financial group	975.66K	3.21%	$4.31M
Geode capital management	740.99K	2.38%	$1.64M
Susquehanna group, llp	624.54K	2.28%	$7.24M
Avenir	604.38K	1.99%	$2.67M
Hollencrest capital management	606.55K	1.95%	$1.34M
Quantum private wealth	598.85K	1.92%	$1.32M
State street	446.58K	1.47%	$1.97M
Blackrock	378.39K	1.45%	$1.44M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Quantum private wealth	598.85K	0.39%	$1.32M
Avenir	604.38K	0.28%	$2.67M
Bard associates	143.97K	0.17%	$636.37K
Sargent investment group	163.55K	0.10%	$722.89K
Westside investment management	149.45K	0.05%	$330.29K
Hollencrest capital management	606.55K	0.05%	$1.34M
Cim investment management	11.55K	0.04%	$133.97K
Channel wealth	46.85K	0.03%	$103.54K
Hilltop	85.80K	0.02%	$379.24K
Gsa capital partners llp	95.78K	0.02%	$212.00K

Top Buyers

Holder	Shares	% Assets	Change
Susquehanna group, llp	624.54K	0.00%	542.37K
Millennium management	401.68K	0.00%	243.94K
Pathstone	167.91K	0.00%	167.91K
Northwestern mutual wealth management	168.16K	0.00%	151.27K
Jane street group	171.42K	0.00%	121.46K

Top Sellers

Holder	Shares	% Assets	Change
Blackrock	378.39K	-	-1.11M
Marshall wace, llp	-	-	-131.82K
Amh equity	-	-	-125.00K
Schonfeld strategic advisors	-	-	-86.90K
Squarepoint ops	-	-	-72.97K

New Positions

Holder	Shares	% Assets	Change	Value
Pathstone	167.91K	0.00%	167.91K	$371.07K
Gsa capital partners llp	95.78K	0.02%	95.78K	$212.00K
Wolverine trading	44.35K	0.00%	44.35K	$572.52K
Los angeles capital management	38.05K	0.00%	38.05K	$114.52K
Aristides capital	33.50K	0.01%	33.50K	$74.03K

Sold Out

Holder	Change
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
Metropolitan life insurance co/ny	-71.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	67	-25.56%	9,223,008	-12.87%	29	2.44%	37	15.63%	16	-44.83%
Sep 30, 2025	84	-13.40%	10,561,461	-5.89%	34	2.55%	30	-43.40%	26	8.33%
Jun 30, 2025	97	8.99%	11,229,820	21.89%	36	3.98%	54	3.85%	23	4.55%
Mar 31, 2025	4	-95.24%	504,686	-94.03%	1	0.18%	2	-96.30%	1	-88.89%
Dec 31, 2024	83	18.57%	8,447,112	34.70%	30	5.89%	53	120.83%	9	-68.97%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	893.72K	2.84%	-19.71K
Vanguard US Total Market Shares ETF	794.78K	2.59%	-
iShares Russell 2000 ETF	729.21K	2.32%	-
Vanguard Institutional Extnd Mkt Idx Tr	328.26K	1.04%	-135.35K
Fidelity Small Cap Index	294.89K	0.94%	294.89K
iShares Russell 2000 Growth ETF	259.96K	0.83%	-
Fidelity Extended Market Index	165.88K	0.53%	-1.36K
Vanguard Russell 2000 ETF	140.23K	0.45%	-8.76K
State St Russell Sm Cap® Indx SL Cl I	103.30K	0.33%	-
Jacob Internet Inv	102.10K	0.32%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Dec 01, 2025	Mears Robert J	Chief Technology Officer	Sell	$922.54
Dec 01, 2025	Mears Robert J	Chief Technology Officer	Sell	$2.16K
Dec 01, 2025	Mears Robert J	Chief Technology Officer	Sell	$3.68K
Dec 01, 2025	Mears Robert J	Chief Technology Officer	Sell	$1.87K
Dec 01, 2025	Laurencio Francis	CFO	Sell	$967.95

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	12
2025 Q2	-	15
2025 Q1	-	13
2024 Q4	-	13
2024 Q3	1	12

ATOM Ownership FAQ

Who owns the most shares of Atomera?

Atomera’s largest shareholders are Blackrock funding, inc. /de (1.97M shares, 6.34%), Vanguard group (1.65M shares, 5.29%), and Baird financial group (975.66K shares, 3.21%). Together, they hold 14.84% of Atomera’s total shares outstanding.

Does Blackrock own Atomera?

Yes, BlackRock owns 1.45% of Atomera, totaling 378.39K shares as of Jun 2024. This represents 0% of BlackRock's total assets, with a market value of 1.44M$. In the last quarter, BlackRock decreased its holdings by -1.114M shares, a -74.65% change.

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 0.39% of its assets in 598.85K Atomera shares, valued at 1.32M$.

Who is the top mutual fund holder of Atomera shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Atomera shares, with 2.84% of its total shares outstanding invested in 893.72K Atomera shares.

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