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Rockingstone Advisors LLC

Location
GREAT BARRINGTON, MA
Portfolio Value
Small $133,050,328
Diversification
Diversified
Filing Date
Global Rank
#5,511 / 8,700 ▲ 273
Top Industry
Semiconductors 12.0%
Period ended 2 months ago
Filed Jul 14, 2026 · 2mo
15 quarters · since Dec 2022

Portfolio Concentration

49 tracked positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026
Top Position
6.3%
−2.6 pts
Top 5
25.0%
−3.1 pts
Top 10
43.5%
+1.7 pts
HHI
318
Sep 2023 → Jun 2026 · range 290 – 349
Diversified+28

Portfolio Trend

15 quarters · across all stocks

Sector Breakdown

As of Jun 30, 2026
Sector % Portfolio Value
Technology 28.1% $37,368,276
Communication Services 14.1% $18,738,552
Healthcare 11.1% $14,730,549
Financial Services 11.0% $14,618,833
Industrials 8.6% $11,413,712
Basic Materials 6.9% $9,237,835
Consumer Defensive 6.1% $8,098,726
Unclassified 5.9% $7,785,873
Consumer Cyclical 4.6% $6,174,703
Energy 3.7% $4,883,269

Last Quarter's Activity

Export CSV
Jun 30, 2026 vs Mar 31, 2026

Added To

Positions the filer increased
25 positions
Ticker Δ Shares Shares Value Open

Trimmed

Positions the filer reduced
13 positions
Ticker Δ Shares Shares Value Open

New Positions

Positions the filer opened this quarter
3 positions
Ticker Shares Value Open

Sold Out

Positions the filer fully exited
25 positions
Ticker Shares Value Open
10,595 $1,317,908
9,916 $661,506
3,085 $520,902

Portfolio Positions

Export CSV View 13F filing
49 tracked positions · $133,050,328 total · as of Jun 30, 2026
Ticker Company Shares Value (USD) % of Portfolio History

Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.