Atomera Ownership | Who Owns Atomera?

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Atomera Ownership Summary

Atomera is owned by 59.62% institutional investors, 3.52% insiders, and 36.86% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 8.48% of ATOM shares. Vanguard Morn Total Stk Mkt Idx Investor is the top mutual fund, with 3.03% of its assets in Atomera shares.

ATOM Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Atomera	59.62%	3.52%	36.86%
Sector	Technology Stocks	53.66%	14.89%	31.46%
Idea	Semiconductor Stocks List	73.13%	6.84%	20.03%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	2.99M	8.48%	$26.05M
D. e. shaw	1.89M	5.36%	$16.46M
Vanguard group	1.65M	5.29%	$3.64M
Vanguard capital management	1.66M	4.72%	$14.50M
Avenir	1.47M	4.17%	$12.79M
Baird financial group	1.34M	3.80%	$11.68M
Ubs group	1.33M	3.77%	$11.57M
Geode capital management	990.37K	2.81%	$8.63M
Jane street group	809.99K	2.30%	$7.06M
Quantum private wealth	743.89K	2.11%	$6.48M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Quantum private wealth	743.89K	1.66%	$6.48M
Avenir	1.47M	1.56%	$12.79M
Defender capital, llc.	295.45K	0.84%	$2.57M
Andar capital management hk	90.00K	0.35%	$783.90K
Hollencrest capital management	573.27K	0.33%	$4.99M
Nverses capital	14.38K	0.19%	$125.27K
Sargent investment group	175.90K	0.18%	$1.53M
Westside investment management	119.68K	0.14%	$1.04M
Channel wealth	34.30K	0.07%	$298.75K
Eam investors	71.26K	0.06%	$620.68K

Top Buyers

Holder	Shares	% Assets	Change
Ubs group	1.33M	0.00%	1.15M
D. e. shaw	1.89M	0.01%	914.40K
Jane street group	809.99K	0.00%	650.32K
Blackrock funding, inc. /de	2.99M	0.00%	617.60K
Vanguard capital management	1.66M	0.00%	376.40K

Top Sellers

Holder	Shares	% Assets	Change
Blackrock	378.39K	-	-1.11M
Citadel advisors	221.84K	0.00%	-828.14K
Arosa capital management lp	-	-	-490.00K
Marshall wace, llp	266.80K	0.00%	-221.88K
Renaissance	-	-	-163.07K

New Positions

Holder	Shares	% Assets	Change	Value
Defender capital, llc.	295.45K	0.84%	295.45K	$2.57M
Trexquant investment lp	225.14K	0.01%	225.14K	$1.96M
Millennium management	156.63K	0.00%	156.63K	$1.36M
Sixth street partners management company	113.37K	0.00%	113.37K	$987.46K
Andar capital management hk	90.00K	0.35%	90.00K	$783.90K

Sold Out

Holder	Change
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
Ifp advisors	-10.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	131	15.93%	21,018,686	30.59%	59	2.86%	85	21.43%	23	35.29%
Mar 31, 2026	51	-46.88%	4,143,340	-59.91%	13	1.23%	27	-44.90%	7	-73.08%
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%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Morn Total Stk Mkt Idx Investor	1.17M	3.03%	-
Vanguard Total Stock Mkt Idx Inv	1.17M	3.03%	-
Vanguard US Total Market Shares ETF	794.78K	2.59%	-
iShares Russell 2000 ETF	987.20K	2.53%	-17.57K
Vanguard Institutional Extnd Mkt Idx Tr	457.29K	1.18%	89.68K
iShares Russell 2000 Growth ETF	355.65K	0.91%	-3.26K
Fidelity Small Cap Index	307.03K	0.79%	7.40K
Russell 2000 Index Non-Lendable Fund	258.81K	0.67%	71.10K
Russell 2000 Equity Index Fund B	258.81K	0.67%	71.10K
Vanguard Russell 2000 ETF	220.48K	0.57%	65.21K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 03, 2026	Mears Robert J	Chief Technology Officer	Sell	$5.05K
Jul 01, 2026	Mears Robert J	Chief Technology Officer	Sell	$8.40K
Jun 15, 2026	Mears Robert J	Chief Technology Officer	Sell	$77.40K
Jun 15, 2026	Laurencio Francis	CFO	Sell	$118.00K
Jun 15, 2026	BIBAUD SCOTT A.	CEO and President	Sell	$468.50K

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	2
2026 Q2	-	22
2026 Q1	-	13
2025 Q4	-	12
2025 Q2	-	15

ATOM Ownership FAQ

Who owns the most shares of Atomera?

Atomera’s largest shareholders are Blackrock funding, inc. /de (2.99M shares, 8.48%), D. e. shaw (1.89M shares, 5.36%), and Vanguard group (1.65M shares, 5.29%). Together, they hold 19.13% 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 1.66% of its assets in 743.9K Atomera shares, valued at 6.48M$.

Who is the top mutual fund holder of Atomera shares?

Vanguard Morn Total Stk Mkt Idx Investor is the top mutual fund holder of Atomera shares, with 3.03% of its total shares outstanding invested in 1.17M Atomera shares.

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