AEHR
Aehr Test Systems · Technology · Semiconductors
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 91 | +20 | 17.68M | $1.70B | +25 | −5 |
| Q1 2026 | 74 | +9 | 15.11M | $558.45M | +13 | −4 |
| Q4 2025 | 65 | -1 | 14.66M | $295.97M | — | −1 |
| Q3 2025 | 16 | +5 | 11.08M | $333.51M | +5 | — |
| Q2 2025 | 8 | -1 | 9.36M | $121.08M | — | −1 |
| Q1 2025 | 6 | -2 | 3.65M | $26.61M | — | −2 |
| Q4 2024 | 8 | -1 | 4.50M | $74.92M | +1 | −2 |
| Q3 2024 | 8 | +1 | 3.55M | $45.56M | +1 | — |
| Q2 2024 | 7 | — | 3.49M | $39.00M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Baillie Gifford ✦ | 1.67M | — | $18.66M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Baillie Gifford ✦ | 1.67M | — | $18.66M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Baillie Gifford ✦ | 1.67M | — | $18.66M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Baillie Gifford ✦ | 1.67M | — | $18.66M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 620.63K | — | $6.93M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 620.63K | — | $6.93M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 352.08K | — | $3.93M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 352.08K | — | $3.93M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Two Sigma Investments ✦ | 334.64K | — | $3.74M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | Wellington Management ✦ | 302.30K | — | $3.38M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | Millennium Management ✦ | 191.19K | — | $2.14M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | T. Rowe Price ✦ | 19.67K | — | $220,000 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 189 holders, 22.27M shares, $763.55M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 3.99K sh · $574,217
Officer · 1.00K sh · $134,000
Officer · 1.00K sh · $139,000
Director · 5.97K sh · $836,220
Director · 5.70K sh · $758,264
Officer · 5.47K sh · $697,688
Officer · 4.20K sh · $537,600
Officer, Director · 38.45K sh · $5.03M
Director · 1.72K sh · $228,361
Officer · 7.50K sh · $982,162
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology