AEHR
Aehr Test Systems · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth +13.8% ·
share flow +11.1% ·
net new positions +12.2%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 90 | +19 | 17.68M | $1.69B | +24 | −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 | BlackRock ✦ (passive) | 2.29M | +7.5% | $84.80M | 0.0% | ▲ Add | 4 | SEC ↗ ×14 |
| 2 | Fidelity (FMR) ✦ | 2.14M | -14.6% | $79.45M | 0.0% | ▼ Trim | 4 | SEC ↗ ×3 |
| 3 | T. Rowe Price ✦ | 1.35M | +3824.4% | $50.03M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 4 | Vanguard Capital Management Llc | 1.28M | — | $47.53M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Goldman Sachs Group ✦ | 1.26M | +616.9% | $46.80M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 6 | Baillie Gifford ✦ | 1.00M | -22.4% | $37.12M | 0.0% | ▼ Trim | 8 | SEC ↗ ×4 |
| 7 | Geode Capital Management ✦ (passive) | 725.71K | +5.8% | $26.91M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 8 | State Street Global Advisors ✦ (passive) | 623.31K | -0.1% | $23.11M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 9 | D. E. Shaw & Co. ✦ | 341.64K | +17.7% | $12.67M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | Invesco Ltd. | 285.73K | +912.5% | $10.59M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 11 | Jane Street Group, Llc | 277.05K | +15.2% | $10.27M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 12 | Northern Trust Corp | 252.16K | +5.1% | $9.35M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 13 | UBS Group AG | 246.76K | +1.5% | $9.15M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 14 | Charles Schwab Investment… | 235.54K | -1.2% | $8.73M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | Connor, Clark & Lunn Investment… | 218.81K | New | $8.11M | 0.0% | New | 1 | SEC ↗ |
| 16 | Two Sigma Investments ✦ | 214.37K | -39.7% | $7.95M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 17 | Susquehanna International Group, Llp | 202.04K | +81.6% | $7.49M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 18 | Morgan Stanley ✦ | 165.67K | -32.3% | $6.14M | 0.0% | ▼ Trim | 3 | SEC ↗ ×7 |
| 19 | JPMorgan Chase ✦ | 190.34K | +195.8% | $5.73M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 20 | Wellington Management ✦ | 152.88K | -81.6% | $5.67M | 0.0% | ▼ Trim | 8 | SEC ↗ ×3 |
| 21 | Citadel Advisors ✦ | 141.29K | -36.0% | $5.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 22 | Osaic Holdings, Inc. | 105.00K | +6.3% | $3.89M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 23 | Millennium Management ✦ | 95.83K | +61.8% | $3.55M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 24 | Dimensional Fund Advisors Lp | 93.04K | -14.7% | $3.44M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 25 | Bank of New York Mellon Corp | 89.41K | -0.4% | $3.32M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 26 | Raymond James Financial Inc | 75.24K | +490.6% | $2.79M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 27 | Nuveen, LLC | 70.36K | +1.8% | $2.61M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 28 | New York State Common Retirement… | 61.58K | +30.9% | $2.28M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Royal Bank Of Canada | 59.94K | +15.3% | $2.22M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 30 | Swiss National Bank | 57.50K | +2.1% | $2.13M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 31 | Bank Of America Corp /De/ | 56.80K | -19.6% | $2.11M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 32 | Barclays Plc | 52.21K | +17.6% | $1.94M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 33 | IMC-Chicago, LLC | 50.71K | +67.7% | $1.88M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | Tudor Investment Corp Et Al | 48.19K | -73.5% | $1.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 35 | California State Teachers… | 41.60K | +2271.7% | $1.54M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | Rhumbline Advisers | 36.83K | +1.9% | $1.37M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | UBS AM, a distinct business unit of… | 34.38K | +18.6% | $1.27M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 38 | Universal- Beteiligungs- und… | 30.62K | +53.1% | $1.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 39 | Quantinno Capital Management LP | 28.52K | -3.3% | $1.06M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 40 | Deutsche Bank Ag\ | 26.72K | +24.6% | $990,889 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 41 | Legal & General Group Plc | 24.82K | -14.4% | $920,326 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 42 | Squarepoint Ops LLC | 23.59K | -76.5% | $874,569 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 43 | Wells Fargo & Company/Mn | 23.55K | -33.1% | $873,381 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 44 | Sei Investments Co | 23.11K | -27.6% | $856,889 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 45 | State Of Wisconsin Investment Board | 21.94K | -38.8% | $813,498 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 46 | Alliancebernstein L.P. | 36.42K | 0.0% | $735,320 | 0.0% | Held | 2 | SEC ↗ |
| 47 | Rockefeller Capital Management L.P. | 17.89K | +1030.1% | $663,324 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 48 | Balyasny Asset Management L.P. | 16.26K | -34.4% | $602,995 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 49 | Stifel Financial Corp | 15.63K | New | $579,561 | 0.0% | New | 1 | SEC ↗ ×2 |
| 50 | Janus Henderson Group Plc | 15.00K | 0.0% | $555,825 | 0.0% | Held | 2 | SEC ↗ |
| 51 | Cetera Investment Advisers | 13.92K | +20.0% | $516,154 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 13.71K | +3.4% | $508,404 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | Franklin Resources Inc | 13.25K | 0.0% | $491,347 | 0.0% | Held | 2 | SEC ↗ |
| 54 | Group One Trading Llc | 12.76K | New | $473,067 | 0.0% | New | 1 | SEC ↗ |
| 55 | Walleye Trading LLC | 12.00K | New | $444,812 | 0.0% | New | 1 | SEC ↗ |
| 56 | Creative Planning | 11.75K | New | $435,653 | 0.0% | New | 1 | SEC ↗ |
| 57 | LPL Financial LLC | 11.11K | -9.2% | $412,107 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 58 | Marshall Wace ✦ | 10.21K | New | $378,624 | 0.0% | New | 1 | SEC ↗ |
| 59 | AQR Capital Management ✦ | 9.15K | New | $339,170 | 0.0% | New | 1 | SEC ↗ ×5 |
| 60 | Zurcher Kantonalbank (Zurich… | 8.92K | 0.0% | $330,754 | 0.0% | Held | 2 | SEC ↗ |
| 61 | Russell Investments Group, Ltd. | 8.12K | +225.8% | $301,275 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 62 | Bridgewater Associates ✦ | 7.87K | New | $291,931 | 0.0% | New | 1 | SEC ↗ |
| 63 | Manufacturers Life Insurance… | 7.86K | New | $291,300 | 0.0% | New | 1 | SEC ↗ |
| 64 | State Board Of Administration Of… | 7.60K | New | $281,808 | 0.0% | New | 1 | SEC ↗ |
| 65 | Citigroup Inc | 7.13K | +716.5% | $264,306 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 66 | Bnp Paribas Financial Markets | 6.32K | +3.7% | $234,234 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | Corient Private Wealth LP | 6.15K | New | $228,044 | 0.0% | New | 1 | SEC ↗ |
| 68 | Pictet Asset Management Holding SA | 5.79K | New | $214,619 | 0.0% | New | 1 | SEC ↗ |
| 69 | Cwm, Llc | 5.66K | -4.0% | $209,724 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | TD Waterhouse Canada Inc. | 1.25K | 0.0% | $49,450 | 0.0% | Held | 2 | SEC ↗ |
| 71 | Pnc Financial Services Group, Inc. | 1.05K | +0.5% | $38,860 | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 72 | Jones Financial Companies Lllp | 1.03K | 0.0% | $33,463 | 0.0% | Held | 2 | SEC ↗ |
| 73 | BNP Paribas Asset Management… | 460 | +25.7% | $17,057 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 74 | Optiver Holding B.V. | 345 | New | $12,793 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Connor, Clark & Lunn… | $8.11M | 0.0% |
| Stifel Financial Corp | $579,561 | 0.0% |
| Group One Trading Llc | $473,067 | 0.0% |
| Walleye Trading LLC | $444,812 | 0.0% |
| Creative Planning | $435,653 | 0.0% |
| Marshall Wace | $378,624 | 0.0% |
| AQR Capital Management | $339,170 | 0.0% |
| Bridgewater Associates | $291,931 | 0.0% |
| Manufacturers Life Insurance… | $291,300 | 0.0% |
| State Board Of Administration… | $281,808 | 0.0% |
| Corient Private Wealth LP | $228,044 | 0.0% |
| Pictet Asset Management… | $214,619 | 0.0% |
Exited
| National Bank Of Canada /Fi/ | $4.16M | was 0.0% |
| Victory Capital Management Inc | $1.40M | was 0.0% |
| Captrust Financial Advisors | $910,710 | was 0.0% |
| Us Bancorp \De\ | $202 | was 0.0% |
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 · 5.70K sh · $758,264
Director · 5.97K sh · $836,220
Officer · 5.47K sh · $697,688
Officer · 4.20K sh · $537,600
Officer · 7.50K sh · $982,162
Director · 1.72K sh · $228,361
Officer, Director · 38.45K sh · $5.03M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology