FREMONT, CA
AEHR TEST SYSTEMSAEHR— Latest position per institution from SEC 13F filings
15
Institutional holders
24.06M
Total shares held
724.03M
Estimated value
1.20M
Avg. position size
VANGUARD GROUP INC
CIK 102909
Shares
2.34M
Value
47.19M
Filed
Dec 31, 2025
BLACKROCK, INC.
CIK 2012383
Shares
2.29M
Value
84.80M
Filed
Mar 31, 2026
FMR LLC
CIK 315066
Shares
2.14M
Value
79.45M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
1.90M
Value
21.26M
Filed
Jun 30, 2024
AWM INVESTMENT COMPANY, INC.
CIK 1535264
Shares
1.59M
Value
59.10M
Filed
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
1.46M
Value
54.03M
Filed
Mar 31, 2026
PRICE T ROWE ASSOCIATES INC /MD/
CIK 80255
Shares
1.35M
Value
50.03K
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.28M
Value
47.53M
Filed
Mar 31, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
1.26M
Value
46.80M
Filed
Mar 31, 2026
BAILLIE GIFFORD & CO
CIK 1088875
Shares
1M
Value
37.12M
Filed
Mar 31, 2026
HOOD RIVER CAPITAL MANAGEMENT LLC
CIK 1578177
Shares
936.84K
Value
24.85M
Filed
Dec 31, 2023
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
917.88K
Value
34.03M
Filed
Mar 31, 2026
CONGRESS ASSET MANAGEMENT CO
CIK 897378
Shares
875.57K
Value
23.23M
Filed
Dec 31, 2023
NEXT CENTURY GROWTH INVESTORS LLC
CIK 1134007
Shares
754.74K
Value
27.99M
Filed
Mar 31, 2026
GRATIA CAPITAL, LLC
CIK 1599793
Shares
748.56K
Value
27.76M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
725.71K
Value
26.91M
Filed
Mar 31, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
681.99K
Value
25.29M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
623.31K
Value
23.11M
Filed
Mar 31, 2026
SCULPTOR CAPITAL LP
CIK 1054587
Shares
600K
Value
12.11M
Filed
Dec 31, 2025
JANE STREET GROUP, LLC
CIK 1595888
Shares
577.25K
Value
21.40M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | 102909 | 2.34M | 47.19M | Dec 31, 2025 |
| 2 | BLACKROCK, INC. | 2012383 | 2.29M | 84.80M | Mar 31, 2026 |
| 3 | FMR LLC | 315066 | 2.14M | 79.45M | Mar 31, 2026 |
| 4 | BLACKROCK FINANCE, INC. | 1364742 | 1.90M | 21.26M | Jun 30, 2024 |
| 5 | AWM INVESTMENT COMPANY, INC. | 1535264 | 1.59M | 59.10M | Mar 31, 2026 |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 1.46M | 54.03M | Mar 31, 2026 |
| 7 | PRICE T ROWE ASSOCIATES INC /MD/ | 80255 | 1.35M | 50.03K | Mar 31, 2026 |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.28M | 47.53M | Mar 31, 2026 |
| 9 | GOLDMAN SACHS GROUP INC | 886982 | 1.26M | 46.80M | Mar 31, 2026 |
| 10 | BAILLIE GIFFORD & CO | 1088875 | 1M | 37.12M | Mar 31, 2026 |
| 11 | HOOD RIVER CAPITAL MANAGEMENT LLC | 1578177 | 936.84K | 24.85M | Dec 31, 2023 |
| 12 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 917.88K | 34.03M | Mar 31, 2026 |
| 13 | CONGRESS ASSET MANAGEMENT CO | 897378 | 875.57K | 23.23M | Dec 31, 2023 |
| 14 | NEXT CENTURY GROWTH INVESTORS LLC | 1134007 | 754.74K | 27.99M | Mar 31, 2026 |
| 15 | GRATIA CAPITAL, LLC | 1599793 | 748.56K | 27.76M | Mar 31, 2026 |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 725.71K | 26.91M | Mar 31, 2026 |
| 17 | CITADEL ADVISORS LLC | 1423053 | 681.99K | 25.29M | Mar 31, 2026 |
| 18 | STATE STREET CORP | 93751 | 623.31K | 23.11M | Mar 31, 2026 |
| 19 | SCULPTOR CAPITAL LP | 1054587 | 600K | 12.11M | Dec 31, 2025 |
| 20 | JANE STREET GROUP, LLC | 1595888 | 577.25K | 21.40M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.