AEHR — AEHR TEST SYS
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying AEHR?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 5 tracked investors who changed their AEHR position last quarter, 2 bought and 3 sold (40% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 55/100 in a Squeeze regime).
- +2 tracked investors added or increased positions last quarter (Ken Griffin, Paul Tudor Jones)
- +4 tracked investors reported holding AEHR at their latest filing
- +Macro Health is 55/100 in a Squeeze regime — historically acceptable for this sectorsource
- −3 tracked investors reduced or exited last quarter (2 reduced, 1 sold out)
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/20/2026.
About AEHR TEST SYS (AEHR)
AEHR TEST SYS (AEHR) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $171M. Across recent filings, tracked investors recorded 7 new positions, 8 increased, 11 reduced, and 4 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in AEHR
How many top investors track AEHR
A small number of top investors own this.
AEHR Ownership Composition
How AEHR TEST SYS is held across tracked investor types, based on reported 13F positions.
- Multi-Strategy / Quant91.0%
- Macro9.0%
Tracked investors currently reporting AEHR
1 tracked investor has since exited this position — listed separately below.
- Ken GriffinJun 30, 2026Citadel AdvisorsShares1.8MValue$170.6M% Portfolio0.02%
- Steve CohenJun 30, 2026Point72 Asset ManagementShares219.9KValue$21.1M% Portfolio0.02%
- Paul Tudor JonesJun 30, 2026Tudor Investment CorpShares209.3KValue$20.1M% Portfolio0.03%
- Izzy EnglanderJun 30, 2026Millennium ManagementShares108.9KValue$10.5M% Portfolio0.00%
Previously held AEHR
These investors reported AEHR in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.
| Investor | Firm | Last reported shares | Value then | Last held |
|---|---|---|---|---|
| Ray Dalio | Bridgewater Associates | 7.9K | $291.9K | Mar 31, 2026 |
Recent activity
- Reduced$728.1K(-70.36%)Nov 14, 2024
- Reduced$894.8K(-5.04%)Feb 14, 2025
- Sold$0(-100.00%)May 15, 2025
- Increased$1.2M(0.84%)Feb 17, 2026
- Increased$7.3M(230.68%)May 15, 2026
- Reduced$10.5M(-44.40%)Aug 14, 2026
- Reduced$2M(-73.74%)Nov 14, 2024
- Increased$4.2M(212.13%)May 15, 2025
- Reduced$4.9M(-33.12%)Aug 14, 2025
- Increased$32.3M(180.41%)Nov 14, 2025
- Reduced$21.3M(-1.33%)Feb 17, 2026
- Increased$170.6M(160.43%)Aug 14, 2026
- New$252.7KNov 13, 2025
- Sold$0(-100.00%)Feb 13, 2026
- New$291.9KMay 15, 2026
- Sold$0(-100.00%)Aug 14, 2026
- New$15.3MFeb 14, 2025
- Sold$0(-100.00%)Jul 21, 2025
- New$4MFeb 17, 2026
- Increased$13.6M(87.18%)May 15, 2026
- Reduced$21.1M(-40.24%)Aug 14, 2026
- $3.7MNov 14, 2024
- Reduced$3.6M(-24.04%)Feb 14, 2025
- Reduced$1.1M(-31.98%)May 15, 2025
- Increased$2.8M(47.55%)Aug 14, 2025
- Reduced$5.4M(-17.97%)Dec 9, 2025
- Reduced$1.8M(-73.45%)May 15, 2026
- Increased$20.1M(334.19%)Aug 14, 2026
- New$6.5MAug 14, 2024
- $1.3MMay 15, 2024
Frequently asked questions
- How many institutional investors hold AEHR?
- 4 tracked institutional investors disclosed a position in AEHR (AEHR TEST SYS) in their most recent 13F filing.
- Who is the largest institutional holder of AEHR?
- Ken Griffin, Citadel Advisors, holds the largest disclosed position in AEHR, valued at $171M.
- Did institutional ownership of AEHR increase or decrease?
- Across recent 13F filings, tracked investors recorded 7 new positions, 8 increased, 11 reduced, and 4 fully exited AEHR.
- Where does this AEHR ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.