Atomera ATOM Institutional Ownership

NASDAQ ATOM

$2.99 -0.07 (-2.29%)

At close: Oct 20, 2026 · 4:00 PM EDT

Institutions by Trading Activity

122 Institutions

Increased 84 68.9%

Unchanged 15 12.3%

Reduced 23 18.9%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

53.12%

▲+11.55 pp QoQ

Shares Held by Institutions

20.73Mn

of 39.02Mn outstanding

▲+28.79% QoQ

Shares Outstanding

39.02Mn

18.29Mn held outside 13F filers

Institutional Investors

122

filed 13F for Jun 2026

▲+15 vs prior quarter

Net Shares Added (QoQ)

+4.63Mn

accumulated since last quarter

Value of Holdings

$69.03Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Atomera Inc (NASDAQ:ATOM) was reported as a holding by 122 institutional investors in 13F filings for the quarter ended June 30, 2026.

These investors held 53.12% of outstanding shares in Q2 2026, up from 41.58% the quarter before.
Total shares held in Atomera rose 28.79% from Q1 2026, while the number of holders rose 40.23% from Q2 2025.
Of the 122 holders of ATOM in Q2 2026, 84 added to their positions, 23 reduced their stakes and 15 left their positions unchanged.
The aggregate institutional position in Atomera was 20.73Mn shares at the end of Q2 2026, up 4.63Mn from the prior quarter and up 9.94Mn from a year earlier.
As of June 30, 2026, the biggest holder of Atomera was BlackRock, Inc. with 2.99Mn shares, or 7.66% of shares outstanding.
The largest position increases in ATOM for Q2 2026 were by UBS Group AG (+1.15Mn shares), D. E. Shaw & Co., Inc. (+914.4K shares), Jane Street Group, LLC (+650.32K shares), BlackRock, Inc. (+617.6K shares) and Vanguard Capital Management LLC (+376.4K shares).
The biggest cuts to ATOM positions during Q2 2026 came from Citadel Advisors LLC (-828.14K shares), Marshall Wace, LLP (-221.88K shares), Brown Advisory Inc (-69.1K shares), Westside Investment Management, Inc. (-31.2K shares) and FMR LLC (-26.64K shares).
Per Business Quant, the top 10 investors in ATOM for the quarter ended June 30, 2026 were BlackRock, Inc. (2.99Mn shares), D. E. Shaw & Co., Inc. (1.89Mn shares), Vanguard Capital Management LLC (1.66Mn shares), Avenir Corp (1.47Mn shares), Baird Financial Group, Inc. (1.34Mn shares), UBS Group AG (1.33Mn shares), Geode Capital Management, LLC (990.37K shares), Jane Street Group, LLC (809.99K shares), Quantum Private Wealth, LLC (743.89K shares) and State Street Corp (717.86K shares).

Form 13F Holdings

122 Institutional Holders

Report period 30 Jun, 2026

Total shares held 20.73Mn

Of outstanding 53.12%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	2,990,446	7.66%	▲617,602	+26.03%	$26.05Mn
2	D. E. Shaw & Co., Inc.	0001009207	1,890,019	4.84%	▲914,396	+93.72%	$16.46Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,664,565	4.27%	▲376,404	+29.22%	$14.50Mn
4	AVENIR CORP	0001033475	1,468,660	3.76%	▲7,245	+0.50%	$12.79Mn
5	Baird Financial Group, Inc.	0001648711	1,340,888	3.44%	▲63,208	+4.95%	$11.68Mn
6	UBS Group AG	0001610520	1,328,824	3.41%	▲1,152,963	+655.61%	$11.57Mn
7	GEODE CAPITAL MANAGEMENT, LLC	0001214717	990,370	2.54%	▲220,673	+28.67%	$8.63Mn
8	JANE STREET GROUP, LLC	0001595888	809,991	2.08%	▲650,315	+407.27%	$7.06Mn
9	Quantum Private Wealth, LLC	0001929662	743,895	1.91%	▲145,586	+24.33%	$6.48Mn
10	State Street Corp	0000093751	717,862	1.84%	▲139,965	+24.22%	$6.25Mn
11	TWO SIGMA INVESTMENTS, LP	0001179392	667,667	1.71%	▲137,667	+25.97%	$5.82Mn
12	HOLLENCREST CAPITAL MANAGEMENT	0001161722	573,266	1.47%	▼23,933	-4.01%	$4.99Mn
13	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	554,452	1.42%	▲375,482	+209.80%	$4.83Mn
14	Northern Trust Corp	0000073124	370,601	0.95%	▲81,921	+28.38%	$3.23Mn
15	Connor, Clark & Lunn Investment Management Ltd.	0001596800	352,205	0.90%	▲331,118	+1,570.25%	$3.07Mn
16	Defender Capital, LLC.	0001766929	295,450	0.76%	▲295,450	0.00%	$2.57Mn
17	VANGUARD FIDUCIARY TRUST CO	0000933478	274,960	0.70%	▲58,568	+27.07%	$2.39Mn
18	Morgan Stanley	0000895421	274,394	0.70%	▲2,792	+1.03%	$2.39Mn
19	MARSHALL WACE, LLP	0001318757	266,796	0.68%	▼221,879	-45.40%	$2.32Mn
20	Pathstone Holdings, LLC	0002011612	250,905	0.64%	0	0.00%	$2.19Mn

Showing 1 to 20 of 122 holders