AEHRAehr Test Systems, Inc.

$84.67+183% 1Y

Who owns AEHR

259 institutions reported holding AEHR for 2026Q2, together 76% of the company, more than the 188 a quarter earlier.

259

Institutions reporting a position · as of 2026Q2 · up from 188 the quarter before

Shares held by institutions
23.2M

Shares held by institutions · 76% of the company · long US equity positions only, as reported on Form 13F

Reported value
$2.23B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
28%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
104
Positions exited
33
Added to
66
Reduced
65
Top 10 holdersof the company
41%
Shares sold shortsettled Sep 15, 2026
5.1M
Short interestof shares outstanding
17%
Days to coverat the average daily volume
1.5
Change in the short positionsince the Aug 31, 2026 count
+18%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q225923.2M$2.23B
2026Q118822.5M$831M
2025Q414921.2M$428M
2025Q314820.4M$613M
2025Q212117.6M$227M
2025Q111519.1M$139M
2024Q413220.9M$348M
2024Q312620.8M$267M
2024Q211919.2M$214M
2024Q113118.4M$233M
2023Q416520.1M$533M
2023Q315219.8M$904M
2023Q215019.2M$791M
2023Q114318.8M$582M
2022Q412716.0M$322M
2022Q38511.8M$167M
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.2.7M8.7%$255M
VANGUARD GROUP INC2.6M8.3%$245M
D. E. Shaw & Co., INC.1.2M3.8%$113M
TWO SIGMA INVESTMENTS, LP1.2M3.8%$112M
FMR LLC1.0M3.3%$97M
GEODE CAPITAL MANAGEMENT LLC0.9M2.9%$84M
GOLDMAN SACHS GROUP INC0.8M2.6%$78M
JANE STREET GROUP, LLC0.8M2.5%$72M
JPMORGAN CHASE & CO0.7M2.4%$70M
STATE STREET CORP0.7M2.3%$68M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20265.1M17%1.5
Aug 31, 20264.3M14%2.0
Aug 14, 20264.3M14%1.7
Jul 31, 20264.3M14%1.4
Jul 15, 20264.8M16%1.4
Jun 30, 20264.2M14%2.9
Jun 15, 20264.0M13%2.0
May 29, 20264.1M13%1.8
May 15, 20264.8M16%1.7
Apr 30, 20264.7M15%1.2
Apr 15, 20265.6M18%1.1
Mar 31, 20264.1M13%2.7

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

opening the register…
On our screens:Most shorted stocks