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1620 INVESTMENT ADVISORS, INC.

Position in PDFS — Pdf Solutions Inc

CIK 1907281 PLYMOUTH, MA

Position in PDFS

as of Jun 30, 2026 · filed Jul 14, 2026
Position Value
$178,461
+$53,280 QoQ
Shares Held
2,521
-34.1% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
#215
of 281 holders
Holding Since
Mar 2025
6 quarters on record
Voting authority Sole 50% Shared 0% None 50%

Common Shares in PDFS Over Time

Shares Held

Position Value (USD)

Position in Software - Application

Technology · as of Jun 30, 2026

1620 INVESTMENT ADVISORS, INC. holds $1,484,838 across 16 Software - Application names. PDFS ranks #1 (12.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 PDFS
Pdf Solutions Inc
This page
2,521 $178,461

All Filings in PDFS

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6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $178,461 2,521
2026-03-31 $125,181 3,827
2025-12-31 $110,411 3,870
2025-09-30 $99,923 3,870
2025-06-30 $83,852 3,922
2025-03-31 $74,892 3,919