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Security record · archived quarter

AEHR

Aehr Test Systems · Technology · Semiconductors

78.18 -7.6% mkt cap $2.55B quote delayed (FMP) · as of Oct 12 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
74Tracked holders
+9Δ holders
15.11MShares held
$558.45MReported value
+13New positions
−4Exits
Strongly Rising Conviction score 68/100 4 quarters of rising tracked shares ●●●●○○ How these are computed → Explain this at the Research Desk →

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

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
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 — —
Holder count
Who holds it · Q1 2026
#ManagerSharesΔ sharesValueTheir weightHeld
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

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.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 17 ROGERS VERNON

Officer · 3.99K sh · $574,217

Aug 14 ROGERS VERNON

Officer · 1.00K sh · $134,000

Aug 14 ROGERS VERNON

Officer · 1.00K sh · $139,000

Aug 14 SLAYEN HOWARD T

Director · 5.70K sh · $758,264

Aug 14 POSEDEL RHEA J

Director · 5.97K sh · $836,220

Aug 13 SALAMONE ALBERTO

Officer · 5.47K sh · $697,688

Aug 13 SALAMONE ALBERTO

Officer · 4.20K sh · $537,600

Aug 12 ENGINEER ADIL

Officer · 7.50K sh · $982,162

Aug 12 OLIPHANT LAURA

Director · 1.72K sh · $228,361

Aug 12 Erickson Gayn

Officer, Director · 38.45K sh · $5.03M

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 14 SC 13G/A — AWM Investment Company, Inc.

View original SEC filing ↗

Aug 06 SC 13G/A — FMR LLC

View original SEC filing ↗

Jul 29 SC 13G — JANE STREET GROUP, LLC

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q1 2026 · Methodology · Get this via the API