2m 2m 2m 2m 2m 2m 2m
Aehr Test System (AEHR)
NASDAQ
$101.60-$0.13 (-0.13%)
Price as of Aug 21, 2026 7:59 PM EDT- $3.3BMarket Cap
- 462.04%1-Year Change
- Semiconductor Equipment & MaterialsIndustry
Aehr Test System (AEHR)
$101.60-$0.13 (-0.13%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 8.15% | 2.7M | +372,643 (+14.01%) | Jun 30, 2026 |
VANGUARD GROUP INC | 7.17% | 2.3M | +49,243 (+2.11%) | Dec 31, 2025 |
BLACKROCK FUNDING, INC. /DE | 6.27% | 2.0M | +24,835 (+1.21%) | Dec 31, 2024 |
BLACKROCK INC. | 5.84% | 1.9M | -131,869 (-6.93%) | Jun 30, 2024 |
COLLABORATIVE HOLDINGS MANAGEMENT LP | 4.70% | 1.5M | +297,846 (+19.42%) | Dec 31, 2021 |
VANGUARD CAPITAL MANAGEMENT LLC | 4.05% | 1.3M | +38,493 (+2.92%) | Jun 30, 2026 |
SUSQUEHANNA INTERNATIONAL GROUP, LLP | 3.65% | 1.2M | +374,800 (+31.46%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 3.84% | 1.3M | +112,867 (+9.01%) | Mar 31, 2026 |
FIDELITY SECURITIES FUND | 3.11% | 1.0M | -1.2M (-115.10%) | Apr 30, 2026 |
T. Rowe Price New Horizons Fund, Inc. | 2.51% | 817,391 | +817,391 (+100.00%) | Mar 31, 2026 |
VANGUARD WORLD FUND | 2.18% | 711,110 | +2,406 (+0.34%) | May 31, 2026 |
PROFESSIONALLY MANAGED PORTFOLIOS | 1.84% | 600,000 | 0 (0.00%) | Apr 30, 2026 |
OBERWEIS FUNDS | 1.64% | 534,400 | 0 (0.00%) | Mar 31, 2026 |
Manager Directed Portfolios | 1.63% | 530,204 | 0 (0.00%) | May 31, 2026 |
Current Ownership Distribution
- Institutions355.9M (74.61%)
- Mutual Funds118.5M (24.85%)
- Insiders2.6M (0.54%)
- Other0 (0.00%)
Insider Transactions
- 0.54% (2.6M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 11Number of InsiderSelling (last 12 months)
- $336.0MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
ROGERS VERNON Exec VP of Sales & Mktg. | Sell | Aug 17, 2026 | $574,217.38 | 3,994 | $143.77 | 186,232 |
SLAYEN HOWARD T Director | Sell | Aug 14, 2026 | $758,264.16 | 5,700 | $133.03 | 140,667 |
ROGERS VERNON Exec VP of Sales & Mktg. | Sell | Aug 14, 2026 | $134,000.00 | 1,000 | $134.00 | 191,226 |
POSEDEL RHEA J Director | Sell | Aug 14, 2026 | $836,220.00 | 5,973 | $140.00 | 381,989 |
ROGERS VERNON Exec VP of Sales & Mktg. | Sell | Aug 14, 2026 | $139,000.00 | 1,000 | $139.00 | 190,226 |
SALAMONE ALBERTO EVP, PPBI BUSINESS | Sell | Aug 13, 2026 | $537,600.00 | 4,200 | $128.00 | 47,434 |
SALAMONE ALBERTO EVP, PPBI BUSINESS | Sell | Aug 13, 2026 | $697,687.66 | 5,472 | $127.50 | 41,962 |
SCOTT GEOFFREY GATES Director | Gift | Aug 12, 2026 | $0.00 | 6,731 | $0.00 | 23,955 |
Erickson Gayn President and CEO | Sell | Aug 12, 2026 | $204,749.94 | 1,548 | $132.27 | 196,175 |
OLIPHANT LAURA Director | Sell | Aug 12, 2026 | $228,361.00 | 1,717 | $133.00 | 16,100 |
ENGINEER ADIL Chief Operating Officer | Exempt | Aug 12, 2026 | $0.00 | 7,500 | $0.00 | 31,330 |
SCOTT GEOFFREY GATES Director | Sell | Aug 12, 2026 | $2.6M | 20,000 | $131.51 | 10,000 |
Erickson Gayn President and CEO | Sell | Aug 12, 2026 | $5.0M | 38,452 | $130.79 | 157,723 |
POSEDEL RHEA J Director | Sell | Aug 12, 2026 | $1.1M | 8,413 | $130.00 | 387,962 |
ENGINEER ADIL Chief Operating Officer | Exempt | Aug 12, 2026 | $0.00 | 7,500 | $0.00 | 28,088 |
ENGINEER ADIL Chief Operating Officer | Exempt | Aug 12, 2026 | $141,750.00 | 15,000 | $9.45 | 61,977 |
ENGINEER ADIL Chief Operating Officer | Sell | Aug 12, 2026 | $982,161.75 | 7,500 | $130.95 | 54,477 |
ENGINEER ADIL Chief Operating Officer | Sell | Aug 12, 2026 | $983,212.50 | 7,500 | $131.09 | 46,977 |
OLIPHANT LAURA Director | Gift | Aug 04, 2026 | $0.00 | 500 | $0.00 | 17,817 |
SLAYEN HOWARD T Director | Sell | Aug 04, 2026 | $2.2M | 20,000 | $108.30 | 146,367 |
SPORCK ALISTAIR N VP Contactor Business Unit | Sell | Aug 04, 2026 | $70,385.80 | 699 | $100.69 | 24,848 |
SPORCK ALISTAIR N VP Contactor Business Unit | Sell | Aug 04, 2026 | $131,531.10 | 1,301 | $101.10 | 23,547 |
SALAMONE ALBERTO EVP, PPBI BUSINESS | In Kind | Aug 03, 2026 | $16,315.92 | 204 | $79.98 | 51,634 |
SLAYEN HOWARD T Director | Gift | Jul 30, 2026 | $0.00 | 5,000 | $0.00 | 166,367 |
RICHMOND DONALD P. II CTO | In Kind | Jul 27, 2026 | $7,902.96 | 102 | $77.48 | 186,567 |
ROGERS VERNON Exec VP of Sales & Mktg. | In Kind | Jul 27, 2026 | $15,341.04 | 198 | $77.48 | 192,226 |
SCOTT GEOFFREY GATES Director | Gift | Jul 16, 2026 | $0.00 | 10,000 | $0.00 | 30,686 |
SCOTT GEOFFREY GATES Director | Sell | Jul 16, 2026 | $1.6M | 20,000 | $82.13 | 30,000 |
ROGERS VERNON Exec VP of Sales & Mktg. | Exempt | Jul 14, 2026 | $5,784.63 | 3,538 | $1.64 | 192,997 |
ROGERS VERNON Exec VP of Sales & Mktg. | In Kind | Jul 14, 2026 | $41,261.73 | 573 | $72.01 | 192,424 |