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AWM Investment Company, Inc. — 13F Holdings & Portfolio

CIK 1535264 · latest 13F-HR filed 2026-08-14

Backtest portfolio

AWM Investment Company, Inc. manages $1.15B in 13F-reported U.S. long-equity assets across 106 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are LASR (5.67%), VICR (4.91%), MASS (3.68%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 21 new positions and exited 13; 52 existing positions rose in reported value and 19 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$1.15B

Long-equity book

Holdings
106

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+21 / −13 / ↑52 / ↓19

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
LASR5.7% · -8%VICR4.9% · -48%MASS3.7% · -6%LPTH3.6% · +24%AMSC3.4% · +19%CEVA3.3% · -8%BFLY3.2% · 0%DFTX3.2% · -27%AEHR3.1% · -76%KOPN3.1% · -32%BKSY2.9% · -30%BRUN2.7% · newPI2.6% · 0%AVAV2.1% · +12%VELO2.0% · -33%BLZE1.9% · 0%REAL1.8% · +22%UTI1.8% · 0%TALK1.7% · 0%ARLO1.7% · +16%MRAM1.6% · -64%IMDX1.5% · +1%ASYS1.4% · newSRTA1.3% · 0%AIOT1.3% · -18%GILT1.2% · -55%RDCM1.2% · -4%FENC1.1% · +61%GLXY1.1% · +0%ACOG1.0% · 0%GRO0.9% · +124%PVLA0.9% · 0%LOVE0.9% · +22%OUST0.9% · -15%ASPI0.9% · -26%SOPH0.9% · newGNSS0.8% · 0%RCAT0.8% · +134%ABEO0.8% · +85%SHMD0.8% · newNGS0.7% · -12%SPRB0.7% · newTYGO0.7% · +56%CTRN0.7% · -19%SPIR0.7% · -4%LTRX0.6% · newIPWR0.6% · +12%OWLT0.6% · -38%ELMT0.6% · newMEC0.6% · newLWAY0.6% · newPAYS0.6% · +108%PGNY0.6% · 0%DXLG0.5% · 0%NXDR0.5% · +23%RANI0.5% · +15%ALLT0.5% · 0%RSVR0.5% · -1%NEOV0.5% · newGRSD0.4% · new

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 37.3%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

As of the firm’s regulatory filing dated Mar 13, 2026.

Assets Under Management
$1.49B
Discretionary
$1.49B
Employees
38
Accounts
2,885
Address
1 N. 1ST STREET
SUITE 525
PHOENIX, AZ 85004
Phone
(323) 940-1339
Website
Mailing Address
5227 N 7TH ST STE 18036, PHOENIX, AZ, 85014
This firm reports 1 disclosure item on its registration.
Name Title / Status Ownership Type
AVERILL, BRANDON, LEE ControlPARTNER
since Feb 2017
25–50%Individual
AVERILL, ERIK, DANIEL ControlMEMBER
since Feb 2017
25–50%Individual
DYER, JUSTIN, MICHAEL ControlMEMBER
since Jan 2023
10–25%Individual
MCCONCHIE, ROBERT, DON ControlMEMBER
since Feb 2017
10–25%Individual
LYNCH, DEBRA, BELLANTONICHIEF COMPLIANCE OFFICER
since Oct 2023
Less than 5%Individual
PENNIALL, DAVID, RICKARDMEMBER
since Feb 2017
10–25%Individual
Ownership & leadership changes · 6 filings with changes since Nov 2, 2018

From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.

Nov 10, 2023 filing
  • AddedLYNCH, DEBRA, BELLANTONI · CHIEF COMPLIANCE OFFICER · Less than 5%
  • ChangedAVERILL, BRANDON, LEE · title PARTNER, CCO → PARTNER
Mar 28, 2023 filing
  • Listed againDYER, JUSTIN, MICHAEL · MEMBER · 10–25% · control person
Mar 23, 2022 filing
  • No longer listedPENNIALL, DAVID, RICKARD · SHAREHOLDER · 75% or more · indirect via PHC, INC. · control person · listed since Jul 2016
  • No longer listedPHC, INC. · MEMBER · 50–75% · control person · listed since Feb 2017
  • AddedPENNIALL, DAVID, RICKARD · MEMBER · 10–25%
  • ChangedAVERILL, BRANDON, LEE · ownership 10–25% → 25–50%
  • ChangedAVERILL, ERIK, DANIEL · ownership 10–25% → 25–50%
Mar 25, 2021 filing
  • ChangedAVERILL, BRANDON, LEE · title MANAGING MEMBER → PARTNER, CCO
  • ChangedMCCONCHIE, ROBERT, DON · title MEMBER AND CHIEF COMPLIANCE OFFICER → MEMBER
Feb 24, 2020 filing
  • No longer listedAVERILL, ANNE, PENNIALL · INVESTMENT CONSULTANT · Less than 5% · listed since Dec 2018
  • No longer listedDYER, JUSTIN, MICHAEL · CHIEF INVESTMENT OFFICER · Less than 5% · listed since Dec 2018
Mar 20, 2019 filing
  • AddedDYER, JUSTIN, MICHAEL · CHIEF INVESTMENT OFFICER · Less than 5%
  • ChangedAVERILL, ANNE, PENNIALL · title CHIEF INVESTMENT OFFICER → INVESTMENT CONSULTANT
Nov 2, 2018 filing (earliest on record)
  • ListedAVERILL, ANNE, PENNIALL · CHIEF INVESTMENT OFFICER · Less than 5%
  • ListedAVERILL, BRANDON, LEE · MANAGING MEMBER · 10–25% · control person
  • ListedAVERILL, ERIK, DANIEL · MEMBER · 10–25% · control person
  • ListedMCCONCHIE, ROBERT, DON · MEMBER AND CHIEF COMPLIANCE OFFICER · 10–25% · control person
  • ListedPENNIALL, DAVID, RICKARD · SHAREHOLDER · 75% or more · indirect via PHC, INC. · control person
  • ListedPHC, INC. · MEMBER · 50–75% · control person

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

AWM Investment Company, Inc. Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 nLight, Inc. LASR 65487K100 $65.4M 5.67% 939,011 SH
2 Vicor Corporation VICR 925815102 $56.6M 4.91% 148,981 SH
3 908 Devices, Inc. MASS 65443P102 $42.5M 3.68% 4,879,773 SH
4 LightPath Technologies, Inc. LPTH 532257805 $41.5M 3.60% 2,537,522 SH
5 American Superconductor Corp AMSC 030111207 $39.5M 3.43% 951,604 SH
6 CEVA, Inc. CEVA 157210105 $37.7M 3.27% 799,806 SH
7 Butterfly Network, Inc. BFLY 124155102 $37.3M 3.24% 4,430,593 SH
8 Definium Therapeutics, Inc. DFTX 24477V105 $36.9M 3.20% 784,800 SH
9 Aehr Test Systems AEHR 00760J108 $36.0M 3.12% 374,808 SH
10 Kopin Corporation KOPN 500600101 $35.9M 3.12% 8,024,062 SH
11 BlackSky Technology, Inc. BKSY 09263B207 $33.5M 2.91% 1,200,000 SH
12 Boost Run, Inc. BRUN 09940T100 $31.6M 2.74% 813,739 SH
13 Impinj, Inc. PI 453204109 $29.7M 2.57% 207,018 SH
14 Aerovironment, Inc. AVAV 008073108 $24.3M 2.10% 146,908 SH
15 Velo3D, Inc. VELO 92259N302 $23.2M 2.01% 1,322,066 SH
16 Backblaze, Inc. BLZE 05637B105 $22.2M 1.93% 1,400,166 SH
17 The RealReal, Inc. REAL 88339P101 $21.3M 1.85% 1,803,647 SH
18 Universal Technical Institute, UTI 913915104 $20.9M 1.82% 489,098 SH
19 Talkspace, Inc. TALK 87427V103 $19.9M 1.73% 3,826,892 SH
20 Arlo Technologies, Inc. ARLO 04206A101 $19.8M 1.72% 1,466,009 SH
21 Everspin Technology, Inc. MRAM 30041T104 $18.1M 1.57% 750,000 SH
22 Insight Molecular Diagnostic I IMDX 68235C206 $16.7M 1.45% 2,836,692 SH
23 Amtech Systems, Inc. ASYS 032332504 $15.9M 1.38% 690,000 SH
24 Strata Critical Medical, Inc. SRTA 092667104 $14.9M 1.29% 2,821,468 SH
25 PowerFleet, Inc. AIOT 73931J109 $14.7M 1.28% 3,840,463 SH
26 Gilat Satellite Networks, Ltd. GILT M51474118 $13.8M 1.20% 1,036,181 SH
27 RADCOM, Ltd. (Israel) RDCM M81865111 $13.4M 1.16% 951,796 SH
28 Fennec Pharmaceuticals, Inc. FENC 31447P100 $12.5M 1.08% 1,160,296 SH
29 Galaxy Digital, Inc.-Class A GLXY 36317J209 $12.2M 1.06% 447,000 SH
30 Alpha Cognition, Inc.(Canada) ACOG 02074J501 $12.1M 1.05% 1,672,168 SH
31 Brazil Potash Corp. GRO 10586A108 $10.8M 0.93% 5,000,000 SH
32 Palvella Therapeutics, Inc. PVLA 697947109 $10.6M 0.92% 69,416 SH
33 The Lovesac Company LOVE 54738L109 $10.2M 0.88% 610,402 SH
34 Ouster, Inc. OUST 68989M202 $9.8M 0.85% 157,435 SH
35 ASP Isotopes, Inc. ASPI 00218A105 $9.8M 0.85% 1,581,490 SH
36 Sophia Genetics S.A. (Switze SOPH H82027105 $9.8M 0.85% 1,700,000 SH
37 Genasys, Inc. (F4) GNSS 36872P103 $9.6M 0.83% 5,649,544 SH
38 Red Cat Holdings, Inc. RCAT 75644T100 $9.3M 0.81% 874,460 SH
39 Abeona Therapeutics, Inc. ABEO 00289Y206 $9.2M 0.80% 1,486,130 SH
40 Schmid Group, N.V. (Germany) SHMD N68722102 $8.7M 0.75% 1,388,976 SH
41 Natural Gas Services Group, In NGS 63886Q109 $8.2M 0.71% 189,732 SH
42 Spruce Biosciences, Inc. SPRB 85209E108 $7.9M 0.69% 146,988 SH
43 Tigo Energy, Inc. TYGO 88675P103 $7.8M 0.68% 3,347,933 SH
44 Citi Trends, Inc. CTRN 17306X102 $7.8M 0.67% 134,127 SH
45 Spire Global Inc. SPIR 848560306 $7.7M 0.67% 413,522 SH
46 Lantronix, Inc. LTRX 516548203 $7.3M 0.64% 1,250,000 SH
47 Ideal Power, Inc. IPWR 451622203 $7.2M 0.63% 1,346,244 SH
48 Owlet, Inc. OWLT 69120X206 $7.0M 0.61% 1,225,353 SH
49 Elmet Group Co. ELMT 289395105 $6.8M 0.59% 344,853 SH
50 Mayville Engineering Company, MEC 578605107 $6.7M 0.59% 180,000 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $1.15B 106 0001535264-26-000051
2026-03-31 2026-05-15 $903.4M 98 0001535264-26-000032
2025-12-31 2026-02-13 $1.04B 103 0001535264-26-000016
2025-09-30 2025-11-13 $1.07B 104 0001535264-25-000059
Filer Information
Address
527 MADISON AVENUE
SUITE 2600
NEW YORK, NY 10022
Phone
(212) 319-6670
Filing Manager
AWM Investment Company, Inc.
NEW YORK, NY
Signatory
Adam Stettner
Executive Vice President