213 institutions reported holding $1.02B of AEHR TEST SYS (AEHR) in SEC 13F filings for 2026-03-31. Largest institutional holders: BlackRock, Inc. ($84.8M), FMR LLC ($79.4M), AWM Investment Company, Inc. ($59.1M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($54.0M), PRICE T ROWE ASSOCIATES INC /MD/ ($50.0M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $84.8M | 2.3M | Added |
| 2 | FMR LLC | $79.4M | 2.1M | Trimmed |
| 3 | AWM Investment Company, Inc. | $59.1M | 1.6M | Added |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $54.0M | 1.5M | Trimmed |
| 5 | PRICE T ROWE ASSOCIATES INC /MD/ | $50.0M | 1.3M | Added |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $47.5M | 1.3M | New |
| 7 | GOLDMAN SACHS GROUP INC | $46.8M | 1.3M | Added |
| 8 | BAILLIE GIFFORD & CO | $37.1M | 1.0M | Trimmed |
| 9 | VANGUARD PORTFOLIO MANAGEMENT LLC | $34.0M | 917,876 | New |
| 10 | NEXT CENTURY GROWTH INVESTORS LLC | $28.0M | 754,737 | Added |
| 11 | GRATIA CAPITAL, LLC | $27.8M | 748,560 | Added |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | $26.9M | 725,711 | Added |
| 13 | CITADEL ADVISORS LLC | $25.3M | 681,991 | Trimmed |
| 14 | STATE STREET CORP | $23.1M | 623,306 | Trimmed |
| 15 | IMC-Chicago, LLC | $22.9M | 618,209 | Added |
| 16 | JANE STREET GROUP, LLC | $21.4M | 577,245 | Trimmed |
| 17 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | $19.0M | 513,293 | Added |
| 18 | GILDER GAGNON HOWE & CO LLC | $16.5M | 444,296 | Added |
| 19 | D. E. Shaw & Co., Inc. | $15.7M | 423,638 | Trimmed |
| 20 | Point72 Asset Management, L.P. | $13.6M | 368,000 | Added |
| 21 | SILVERCREST ASSET MANAGEMENT GROUP LLC | $12.8M | 344,247 | Added |
| 22 | Caption Management, LLC | $12.7M | 343,700 | New |
| 23 | Walleye Capital LLC | $12.2M | 327,687 | Added |
| 24 | UBS Group AG | $11.4M | 306,763 | Added |
| 25 | Invesco Ltd. | $10.6M | 285,725 | Added |
Source: SEC Form 13F filings · as of 2026-03-31