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Rosenberg Matthew Hamilton

Position in WDFC — Wd 40 Co

CIK 1812103 GRAND JUNCTION, CO

Position in WDFC

as of Jun 30, 2026 · filed Jul 17, 2026
Position Value
$89,903
+$14,650 QoQ
Shares Held
369
0.0% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#281
of 383 holders
Holding Since
Dec 2020
23 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in WDFC Over Time

Shares Held

Position Value (USD)

Position in Specialty Chemicals

Basic Materials · as of Jun 30, 2026

Rosenberg Matthew Hamilton holds $1,618,364 across 11 Specialty Chemicals names. WDFC ranks #8 (5.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 WDFC
Wd 40 Co
This page
369 $89,903

All Filings in WDFC

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23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $89,903 369
2026-03-31 $75,253 369
2025-12-31 $72,656 369
2025-09-30 $72,914 369
2025-06-30 $84,165 369
2025-03-31 $90,036 369
2024-12-31 $89,548 369
2024-09-30 $95,157 369
2024-06-30 $81,047 369
2024-03-31 $93,471 369
2023-12-31 $88,455 370
2023-09-30 $75,198 370
2023-06-30 $69,800 370
2023-03-31 $65,878 370
2022-12-31 $59,647 370
2022-09-30 $65,023 370
2022-06-30 $74,503 370
2022-03-31 $67,611 369
2021-12-31 $90,516 370
2021-09-30 $85,647 370
2021-06-30 $94,827 370
2021-03-31 $132,269 432
2020-12-31 $114,773 432