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13-F holdings, Q2 2026

AWM Investment Company, Inc.

A 13-F is the report large US investment managers file with the SEC each quarter, listing the stocks they held at quarter end.

Reported value
$1.2B
Positions
106
Filed
Data as of

These holdings are as of , 130 days ago.

13-Fs for Q3 2026 are due by .

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Top holdings

  1. LASR$65.4M
    939,011 shares5.7% of the book
  2. VICR$56.6M
    148,981 shares4.9% of the book
  3. MASS$42.5M
    4,879,773 shares3.7% of the book
  4. LPTH$41.5M
    2,537,522 shares3.6% of the book
  5. AMSC$39.5M
    951,604 shares3.4% of the book
  6. CEVA$37.7M
    799,806 shares3.3% of the book
  7. BFLY$37.3M
    4,430,593 shares3.2% of the book
  8. DFTX$36.9M
    784,800 shares3.2% of the book
  9. AEHR$36M
    374,808 shares3.1% of the book
  10. KOPN$35.9M
    8,024,062 shares3.1% of the book

What changed this quarter

18 new positions and 13 sold out, against Q1 2026. A buy or sell is the change in shares at the Q2 2026 price, with Q1 2026 shares adjusted for stock splits.

Largest buys

  • ASYS

    Amtech Systems, Inc.

    +$15.9M

    New

  • SOPH

    Sophia Genetics S.A. (Switze

    +$9.8M

    New

  • SHMD

    Schmid Group, N.V. (Germany)

    +$8.7M

    New

  • LPTH

    LightPath Technologies, Inc.

    +$8.2M

    +24.5% shares

  • LTRX

    Lantronix, Inc.

    +$7.4M

    New

Largest sells

  • AEHR

    Aehr Test Systems

    −$117.1M

    -76.5% shares

  • VICR

    Vicor Corporation

    −$52.9M

    -48.3% shares

  • MRAM

    Everspin Technology, Inc.

    −$32.1M

    -63.9% shares

  • KOPN

    Kopin Corporation

    −$17M

    -32.1% shares

  • GILT

    Gilat Satellite Networks, Ltd.

    −$16.9M

    -55% shares

What was sold out, by size

  • 8 real positions, 0.25% of the book or more
  • 5 small, between 0.015% and 0.25%

Not counted as trades: BRUN (newly listed or spun off), SPRB (newly listed or spun off), ELMT (newly listed or spun off).

All of this comes from the filer's public SEC filings. A 13-F shows long positions in US-listed securities at quarter end and can leave out short positions, cash and non-US holdings, so it is not the whole portfolio. This is filing data, not investment advice.