$AEHR

$56.60 +$1.29 (2.33%) Close

$AEHR Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 32.6M shares outstanding

Who owns AEHR?

By type of holder

Institutions 71.2% Insiders 9.1% Everyone else 19.7%

Concentration Top 10 holders own 33.5%

BlackRock, Inc. 8.2% · FMR LLC 3.1%

Institutional ownership

71.2%

+2.3 pts vs last qtr

Institutional holders

261

+70 vs last qtr

Net shares bought

+750.8K

by institutions in Q2 2026

New / sold out

105 / 35

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Two Sigma Investments, LP +950.2K
D. E. Shaw & Co., Inc. +835.8K

Biggest sellers in Q2 2026

AWM Investment Company, Inc. −1.2M
FMR LLC −1.1M

Who is planning to sell?

Notices of proposed sale, last 12 months

$62M

55 notices from 14 people

Shares covered

726.4K

2.23% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Erickson Gayn Officer $16M
Posedel Rhea J Director $9.52M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2017–FY2026

+188435.1%

+131.17% a year

Each share's claim on the business

−99.9%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $25.1M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years33% 3–5 years23% 1–3 years6% Under 1 year38%

Quarterly turnover

36.9%

of institutional shares changed hands

Top 10 managers, median time held

4.5 years

Super Investors

Investment managers reporting AEHR on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	2.7M	8.15%	+372.6K (+16.3%)	≤2021	0.0%
Shares held by quarter Peak holding2.7M (Q2'26) Change over 8 quarters+637.8K Share of the company8.150% BlackRock, Inc.'s full portfolio →
F FMR LLC	1.0M	3.09%	−1.1M (−53.0%)	2021	0.0%
Shares held by quarter Peak holding3.4M (Q1'25) Change over 8 quarters−1.6M Share of the company3.090% FMR LLC's full portfolio →

BlackRock, Inc.

2.7M

% of company

8.15%

Change vs last qtr

+372.6K (+16.3%)

Held since

≤2021

FMR LLC

1.0M

% of company

3.09%

Change vs last qtr

−1.1M (−53.0%)

Held since

2021

28 more super investors behind a free account

See every manager holding Aehr Test Systems, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting AEHR on Form N-PORT; together they hold 25.8% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$91.3M	951.0K	2.92%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$75.5M	785.9K	2.41%	0.09%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$91.3M

% of company

2.92%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$75.5M

% of company

2.41%

% of the fund

0.09%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Aehr Test Systems and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
PR Posedel Rhea J Insider	925.8K	2.84%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company2.840% Posedel Rhea J's insider activity →
EG Erickson Gayn Insider	788.8K	2.42%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company2.420% Erickson Gayn's insider activity →

Posedel Rhea J

Insider

925.8K

% of company

2.84%

Change vs last qtr

—

Held since

—

Erickson Gayn

Insider

788.8K

% of company

2.42%

Change vs last qtr

—

Held since

—

12 more holders behind a free account

See every insider and 5%+ holder of Aehr Test Systems.

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