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Super Investors HERALD INVESTMENT MANAGEMENT Ltd
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HERALD INVESTMENT MANAGEMENT Ltd

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
—
Positions
1
Quarter ended
September 30, 2026
Filed
October 05, 2026

Reported portfolio value by quarter (53 quarters reported)

$766M —
Q2 13 Q2 16 Q1 19 Q4 21 Q3 24 Q3 26

$214M in Q2 2013 → — now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
N N/a NaN% New 0 —

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 05, 2026

Company Action Shares changed Value of change % of portfolio
Silicon Motion Technology Corp Exited −147,700 −$49.2M —
Celestica Inc Exited −82,550 −$30.1M —
Vicor Corp Exited −77,100 −$29.3M —
Tower Semiconductor Ltd Exited −99,000 −$25.8M —
K& Kulicke & Soffa Industries Inc Exited −176,600 −$23.6M —
Fabrinet Exited −41,600 −$23.4M —
Digitalocean Holdings Inc Exited −147,500 −$23.2M —
Micron Technology Inc Exited −18,100 −$20.8M —
Ceva Inc Exited −369,363 −$17.4M —
Pegasystems Inc Exited −554,450 −$16.6M —

Showing the 10 largest of 93 changes.

Q2 2026

quarter ended June 30, 2026 · filed July 23, 2026

Company Action Shares changed Value of change % of portfolio
Silicon Motion Technology Corp Trimmed −220,000 −$73.3M 6.7%
Vicor Corp Trimmed −142,900 −$54.2M 4.0%
Celestica Inc Trimmed −126,950 −$46.3M 4.1%
Fabrinet Trimmed −58,500 −$32.9M 3.2%
Tower Semiconductor Ltd Trimmed −67,000 −$17.4M 3.5%
Vishay Precision Group Inc Trimmed −86,250 −$12.9M 1.7%
Digitalocean Holdings Inc Trimmed −69,500 −$10.9M 3.1%
Veeco Instruments Inc Trimmed −130,500 −$9.89M 0.7%
K& Kulicke & Soffa Industries Inc Trimmed −67,500 −$9.03M 3.2%
Everspin Technologies Inc Trimmed −358,250 −$8.65M 0.8%

Showing the 10 largest of 67 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 13, 2026

Company Action Shares changed Value of change % of portfolio
Celestica Inc Trimmed −20,000 −$5.63M 8.2%
Vishay Intertechnology Inc New +300,000 +$5.4M 0.8%
Climb Global Solutions Inc Added +221,836 +$4.39M 0.8%
Workiva Inc Exited −50,000 −$4.32M —
Micron Technology Inc Trimmed −12,000 −$4.05M 1.0%
Vicor Corp Trimmed −25,000 −$4.02M 4.9%
Fabrinet Trimmed −7,500 −$3.91M 7.3%
Formfactor Inc Trimmed −33,000 −$3.2M 1.0%
DS Descartes Systems Group Inc/the Trimmed −40,000 −$2.86M 1.4%
Powell Industries Inc Trimmed −5,000 −$2.7M 0.4%

Showing the 10 largest of 55 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 13, 2026

Company Action Shares changed Value of change % of portfolio
Celestica Inc Trimmed −105,500 −$31.2M 8.9%
Fabrinet Trimmed −38,000 −$17.3M 6.4%
Digitalocean Holdings Inc New +202,000 +$9.71M 1.3%
Eplus Inc New +75,000 +$6.56M 0.9%
Avidxchange Holdings Inc Exited −500,000 −$4.98M —
Viavi Solutions Inc New +275,000 +$4.9M 0.6%
Braze Inc New +125,000 +$4.29M 0.6%
Power Integrations Inc Added +112,000 +$3.98M 0.7%
Powell Industries Inc New +10,000 +$3.19M 0.4%
Csg Systems International Inc New +41,240 +$3.16M 0.4%

Showing the 10 largest of 57 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 07, 2025

Company Action Shares changed Value of change % of portfolio
Cyberark Software Ltd Exited −42,300 −$17.2M —
Celestica Inc Trimmed −55,700 −$13.7M 11.0%
Alkami Technology Inc Added +220,000 +$5.46M 1.3%
Couchbase Inc Exited −200,000 −$4.88M —
Workiva Inc New +50,000 +$4.3M 0.6%
Cts Corp New +100,000 +$3.99M 0.5%
Silicon Laboratories Inc New +27,500 +$3.61M 0.5%
Faro Technologies Inc Exited −80,000 −$3.51M —
Fabrinet Trimmed −9,000 −$3.29M 7.1%
Simulations Plus Inc New +200,000 +$3.02M 0.4%

Showing the 10 largest of 38 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 22, 2025

Company Action Shares changed Value of change % of portfolio
Pegasystems Inc Added +351,800 +$19M 5.6%
Logility Supply Chain Solutions Inc Exited −823,655 −$11.7M —
Celestica Inc Trimmed −32,500 −$5.07M 9.0%
Fabrinet Trimmed −14,900 −$4.39M 6.8%
Inuvo Inc New +577,500 +$2.66M 0.4%
Similarweb Ltd Added +300,000 +$2.36M 0.7%
TI Tecogen Inc/waltham Ma New +321,078 +$2.19M 0.3%
Inuvo Inc Exited −5,775,000 −$2.09M —
Spire Global Inc Added +156,249 +$1.86M 0.7%
Ceva Inc Added +75,000 +$1.65M 1.3%

Showing the 10 largest of 23 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 12, 2025

Company Action Shares changed Value of change % of portfolio
Celestica Inc Trimmed −42,500 −$3.35M 6.3%
Yelp Inc Exited −80,000 −$3.1M —
Arista Networks Inc Trimmed −38,764 −$3M 0.3%
Similarweb Ltd New +300,000 +$2.48M 0.5%
Pdf Solutions Inc Added +125,000 +$2.39M 0.7%
Digi International Inc New +80,000 +$2.23M 0.4%
Faro Technologies Inc New +80,000 +$2.18M 0.4%
Secureworks Corp Exited −250,000 −$2.12M —
Jamf Holding Corp Exited −150,000 −$2.11M —
Integral Ad Science Holding Corp Exited −200,000 −$2.09M —

Showing the 10 largest of 43 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 13, 2025

Company Action Shares changed Value of change % of portfolio
Super Micro Computer Inc Added +668,050 +$20.4M 3.8%
Arista Networks Inc New +61,464 +$6.8M 1.1%
Arista Networks Inc Exited −17,000 −$6.52M —
K& Kulicke & Soffa Industries Inc Added +70,000 +$3.27M 1.9%
Celestica Inc Trimmed −30,000 −$2.77M 7.0%
Quicklogic Corp Added +230,379 +$2.6M 1.3%
DS Descartes Systems Group Inc/the Trimmed −20,000 −$2.27M 3.5%
Electrovaya Inc Added +930,000 +$2.25M 0.5%
Bel Fuse Inc New +24,000 +$1.97M 0.3%
Chipmos Technologies Inc Exited −78,394 −$1.83M —

Showing the 10 largest of 36 changes.

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