AEHR TEST SYSTEMS (AEHR) Institutional Shareholders
AEHR TEST SYSTEMS (AEHR) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $2.21B in AEHR holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of AEHR tracked by InsiderSet, reporting ownership valued at approximately $255.48M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $240.82M, representing an estimated loss of -5.74% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 50% of the total disclosed AEHR value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Capital Management Llc, D. E. Shaw & Co., Inc., and several other long-term asset managers with concentrated positions in AEHR TEST SYSTEMS (AEHR).
This page ranks the largest institutional AEHR shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
252
Total Reported Value
$2.21B
Largest Holder
Blackrock, Inc.
Largest Position
$255.48M
Insider Transactions (90d)
50
Latest Filing Quarter
Q2 2026
New Institutional Positions
128
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 2,659,542 | $255,475,603 | $240,821,528 | -$14,654,075 | -5.74% | |
| Vanguard Capital Management Llc | 0.00% | 1,320,350 | $126,832,821 | $119,557,693 | -$7,275,129 | -5.74% | |
| D. E. Shaw & Co., Inc. | 0.07% | 1,177,421 | $113,103,061 | $106,615,472 | -$6,487,589 | -5.74% | |
| Two Sigma Investments, Lp | 0.08% | 1,164,614 | $111,872,821 | $105,455,798 | -$6,417,023 | -5.74% | |
| Fmr Llc | 0.00% | 1,006,830 | $96,716,092 | $91,168,457 | -$5,547,636 | -5.74% | |
| Vanguard Portfolio Management Llc | 0.00% | 966,659 | $92,857,264 | $87,530,972 | -$5,326,292 | -5.74% | |
| Geode Capital Management, Llc | 0.00% | 875,505 | $84,114,151 | $79,276,978 | -$4,837,173 | -5.75% | |
| Goldman Sachs Group Inc | 0.01% | 810,036 | $77,812,014 | $73,348,760 | -$4,463,254 | -5.74% | |
| Jane Street Group, Llc | 0.05% | 753,523 | $72,383,420 | $68,231,508 | -$4,151,912 | -5.74% | |
| Jpmorgan Chase & Co | 0.00% | 732,547 | $69,554,167 | $66,332,131 | -$3,222,036 | -4.63% | |
| State Street Corp | 0.00% | 712,926 | $68,483,672 | $64,555,449 | -$3,928,223 | -5.74% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.12% | 670,758 | $64,433,014 | $60,737,137 | -$3,695,877 | -5.74% | |
| Price T Rowe Associates Inc | 0.00% | 507,035 | $48,707,000 | $45,912,019 | -$2,794,981 | -5.74% | |
| Morgan Stanley | 0.00% | 480,400 | $46,147,288 | $43,500,220 | -$2,647,068 | -5.74% | |
| Next Century Growth Investors Llc | 2.09% | 410,731 | $39,454,819 | $37,191,692 | -$2,263,127 | -5.74% | |
| Citadel Advisors Llc | 0.02% | 400,732 | $38,494,316 | $36,286,283 | -$2,208,033 | -5.74% | |
| Marshall Wace, Llp | 0.03% | 382,738 | $36,765,812 | $34,656,926 | -$2,108,886 | -5.74% | |
| Awm Investment Company, Inc. | 3.12% | 374,808 | $36,004,056 | $33,938,864 | -$2,065,192 | -5.74% | |
| T. Rowe Price Investment Management, Inc. | 0.02% | 318,127 | $30,560,000 | $28,806,400 | -$1,753,600 | -5.74% | |
| Invesco Ltd. | 0.00% | 296,226 | $28,455,470 | $26,823,264 | -$1,632,206 | -5.74% | |
| Northern Trust Corp | 0.00% | 277,020 | $26,610,540 | $25,084,161 | -$1,526,379 | -5.74% | |
| Charles Schwab Investment Management Inc | 0.00% | 249,512 | $23,968,123 | $22,593,312 | -$1,374,811 | -5.74% | |
| Science & Technology Partners, L.P. | 4.03% | 249,000 | $23,918,940 | $22,546,950 | -$1,371,990 | -5.74% | |
| Lord, Abbett & Co. Llc | 0.07% | 247,640 | $23,788,000 | $22,423,802 | -$1,364,198 | -5.73% | |
| Wellington Management Group Llp | 0.00% | 238,453 | $22,905,795 | $21,591,919 | -$1,313,876 | -5.74% | |
| Driehaus Capital Management Llc | 0.13% | 238,422 | $22,902,817 | $21,589,112 | -$1,313,705 | -5.74% | |
| Vanguard Fiduciary Trust Co | 0.00% | 212,881 | $20,449,349 | $19,276,375 | -$1,172,974 | -5.74% | |
| Tudor Investment Corp Et Al | 0.08% | 204,550 | $19,649,073 | $18,522,003 | -$1,127,071 | -5.74% | |
| Baillie Gifford & Co | 0.02% | 203,878 | $19,584,520 | $18,461,153 | -$1,123,367 | -5.74% | |
| Trexquant Investment Lp | 0.12% | 201,892 | $19,393,746 | $18,281,321 | -$1,112,425 | -5.74% | |
| Ubs Group Ag | 0.00% | 169,123 | $16,245,956 | $15,314,088 | -$931,868 | -5.74% | |
| Neuberger Berman Group Llc | 0.01% | 167,664 | $16,105,804 | $15,181,975 | -$923,829 | -5.74% | |
| Bard Associates Inc | 3.35% | 156,900 | $15,071,814 | $14,207,295 | -$864,519 | -5.74% | |
| Kadensa Capital Ltd | 3.18% | 155,299 | $14,918,022 | $14,062,324 | -$855,698 | -5.74% | |
| Penn Capital Management Company, Llc | 0.92% | 150,547 | $14,475,863 | $13,632,031 | -$843,832 | -5.83% | |
| Bnp Paribas Financial Markets | 0.01% | 145,612 | $13,987,489 | $13,185,167 | -$802,322 | -5.74% | |
| Berkshire Capital Holdings Inc | 2.96% | 142,640 | $13,701,998 | $12,916,052 | -$785,946 | -5.74% | |
| New York State Common Retirement Fund | 0.02% | 138,047 | $13,260,795 | $12,500,156 | -$760,639 | -5.74% | |
| Renaissance Technologies LLC | Jim Simons | 0.02% | 134,500 | $12,920,070 | $12,178,975 | -$741,095 | -5.74% |
| Bank Of America Corp | 0.00% | 121,056 | $11,628,639 | $10,961,621 | -$667,018 | -5.74% | |
| Kultura Capital Management Lp | 5.20% | 117,865 | $11,322,112 | $10,672,676 | -$649,436 | -5.74% | |
| Millennium Management Llc | 0.01% | 108,877 | $10,458,725 | $9,858,812 | -$599,913 | -5.74% | |
| Nuveen, Llc | 0.00% | 102,621 | $9,857,774 | $9,292,332 | -$565,442 | -5.74% | |
| Barclays Plc | 0.00% | 101,249 | $9,725,979 | $9,168,097 | -$557,882 | -5.74% | |
| Gilder Gagnon Howe & Co Llc | 0.10% | 100,204 | $9,625,596 | $9,073,472 | -$552,124 | -5.74% | |
| Bank Of New York Mellon Corp | 0.00% | 93,571 | $8,988,409 | $8,472,854 | -$515,555 | -5.74% | |
| Dimensional Fund Advisors Lp | 0.00% | 93,404 | $8,971,441 | $8,457,732 | -$513,709 | -5.73% | |
| Rice Hall James & Associates, Llc | 0.41% | 87,546 | $8,409,669 | $7,927,290 | -$482,379 | -5.74% | |
| Raymond James Financial Inc | 0.00% | 86,773 | $8,335,415 | $7,857,295 | -$478,120 | -5.74% | |
| Algert Global Llc | 0.09% | 82,275 | $7,903,336 | $7,450,001 | -$453,335 | -5.74% |
Frequently asked questions about AEHR
Who owns the most AEHR stock?
The largest holders of AEHR are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for AEHR TEST SYSTEMS (AEHR).
Is AEHR widely held by superinvestors?
Many widely followed stocks like AEHR appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly AEHR is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.