HERALD INVESTMENT MANAGEMENT Ltd — 13F Holdings & Portfolio

CIK 1512022 · latest 13F-HR filed 2026-07-23

HERALD INVESTMENT MANAGEMENT Ltd manages $737.3M in 13F-reported U.S. long-equity assets across 92 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SIMO (6.67%), CLS (4.08%), VICR (3.97%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions, exited 5, added to 55, and trimmed 31.

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.

Filer Information
Address
10-11 CHARTERHOUSE SQUARE
LONDON EC1M 6EE
Phone
0207 553 6300
Filing Manager
HERALD INVESTMENT MANAGEMENT Ltd
LONDON, X0
Signatory
Andrew Miller
Finance Manager
Loading holdings…
AUM

$737.3M

Long-equity book

Holdings

92

Distinct positions

Period

2026-06-30

Filed 2026-07-23

Q/Q Activity

+0 / −5 / ↑55 / ↓31

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • Micron Technology Inc$13.6M +187.0%
  • Red Violet Inc$9.6M +146.6%
  • Silicon Motion Technology Corp$7.9M +19.1%
  • Arteris Inc$7.8M +119.2%
  • Ceva Inc$7.7M +79.4%
Show all 55

Top Trims

  • Celestica Inc-$28.8M -48.9%
  • Fabrinet-$28.8M -55.2%
  • Pegasystems Inc-$12.6M -43.2%
  • Vicor Corp-$6.1M -17.3%
  • Intellicheck Inc-$4.5M -78.5%
Show all 31

New Positions

  • No new positions this quarter.
Show all 0

Exited Positions

  • CSG Systems International Inc$3.3M
  • Genasys Inc$763.3K
  • N-Able Inc$294.2K
  • Ribbon Communications Inc$212.0K
  • M-Tron Industries Inc$115.5K
Show all 5
All Holdings

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 Silicon Motion Technology Corp SIMO 82706C108 $49.2M 6.67% 147,700 SH
2 Celestica Inc CLS 15101Q207 $30.1M 4.08% 82,550 SH
3 Vicor Corp VICR 925815102 $29.3M 3.97% 77,100 SH
4 Tower Semiconductor Ltd TSEM M87915274 $25.8M 3.50% 99,000 SH
5 Kulicke & Soffa Industries Inc KLIC 501242101 $23.6M 3.20% 176,600 SH
6 Fabrinet FN G3323L100 $23.4M 3.17% 41,600 SH
7 DigitalOcean Holdings Inc DOCN 25402D102 $23.2M 3.14% 147,500 SH
8 Micron Technology Inc MU 595112103 $20.8M 2.82% 18,100 SH
9 Ceva Inc CEVA 157210105 $17.4M 2.36% 369,363 SH
10 Pegasystems Inc PEGA 705573103 $16.6M 2.25% 554,450 SH
11 Red Violet Inc RDVT 75704L104 $16.2M 2.20% 254,250 SH
12 Varonis Systems Inc VRNS 922280102 $16.0M 2.17% 380,834 SH
13 Alphabet Inc GOOGL 02079K305 $15.7M 2.14% 44,100 SH
14 Arlo Technologies Inc ARLO 04206A101 $15.3M 2.07% 1,134,325 SH
15 Arteris Inc AIP 04302A104 $14.4M 1.95% 296,800 SH
16 RADWARE Ltd RDWR M81873107 $14.1M 1.91% 456,817 SH
17 JFrog Ltd FROG M6191J100 $14.0M 1.89% 153,550 SH
18 Vishay Precision Group Inc VPG 92835K103 $12.5M 1.70% 83,750 SH
19 Super Micro Computer Inc SMCI 86800U302 $12.4M 1.68% 421,600 SH
20 Amazon.com Inc AMZN 023135106 $11.8M 1.60% 49,400 SH
21 Advanced Micro Devices Inc AMD 007903107 $10.9M 1.48% 18,820 SH
22 Vishay Intertechnology Inc VSH 928298108 $9.7M 1.32% 180,475 SH
23 Microsoft Corp MSFT 594918104 $9.6M 1.30% 25,800 SH
24 Leonardo DRS Inc DRS 52661A108 $9.4M 1.27% 219,500 SH
25 PDF Solutions Inc PDFS 693282105 $8.5M 1.15% 119,667 SH
26 nLight Inc LASR 65487K100 $8.5M 1.15% 121,500 SH
27 Power Integrations Inc POWI 739276103 $8.4M 1.14% 100,384 SH
28 Bandwidth Inc BAND 05988J103 $7.8M 1.06% 124,000 SH
29 Five9 Inc FIVN 338307101 $7.6M 1.02% 354,500 SH
30 Descartes Systems Group Inc/The DSGX 249906108 $7.5M 1.01% 108,000 SH
31 Electrovaya Inc ELVA 28617B606 $7.4M 1.00% 704,500 SH
32 Teradyne Inc TER 880770102 $7.2M 0.98% 15,000 SH
33 Alkami Technology Inc ALKT 01644J108 $7.2M 0.98% 400,000 SH
34 Ouster Inc OUST 68989M202 $7.2M 0.97% 114,500 SH
35 Digital Turbine Inc APPS 25400W102 $7.1M 0.96% 550,329 SH
36 Apple Inc AAPL 037833100 $7.1M 0.96% 24,500 SH
37 Qualys Inc QLYS 74758T303 $6.5M 0.88% 47,500 SH
38 AvePoint Inc AVPT 053604104 $6.4M 0.87% 575,250 SH
39 Viavi Solutions Inc VIAV 925550105 $6.1M 0.83% 128,167 SH
40 FormFactor Inc FORM 346375108 $6.0M 0.82% 37,650 SH
41 Bel Fuse Inc BELFB 077347300 $6.0M 0.81% 17,950 SH
42 Everspin Technologies Inc MRAM 30041T104 $5.8M 0.79% 241,750 SH
43 M-Tron Industries Inc MPTI 55380K109 $5.8M 0.79% 58,500 SH
44 First Advantage Corp FA 31846B108 $5.6M 0.76% 312,500 SH
45 ePlus Inc PLUS 294268107 $5.6M 0.76% 67,500 SH
46 Kopin Corp KOPN 500600101 $5.6M 0.76% 1,247,500 SH
47 Digi International Inc DGII 253798102 $5.6M 0.76% 74,500 SH
48 Veeco Instruments Inc VECO 922417100 $5.3M 0.71% 69,500 SH
49 QuickLogic Corp QUIK 74837P405 $5.2M 0.71% 261,500 SH
50 Climb Global Solutions Inc CLMB 946760105 $5.1M 0.70% 221,836 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-07-23 $737.3M 92 0001512022-26-000006
2026-03-31 2026-05-13 $717.6M 97 0001512022-26-000005
2025-12-31 2026-02-13 $765.5M 97 0001512022-26-000004
2025-09-30 2025-11-07 $750.7M 94 0001512022-25-000011