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Rossby Financial, LCC

Location
MELBOURNE, FL
Portfolio Value
Small $187,490,844
Diversification
Diversified
Filing Date
Global Rank
#4,310 / 8,603 ▲ 778 · as of Mar 2026
Top Industry
Semiconductors 8.8%
3Y Alpha vs SPY
-0.9%
Period ended 3 months ago
Filed May 11, 2026 · 59d
6 quarters · since Dec 2024

Clone Performance

Feb 2025–Jul 2026 · vs SPY

Hypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.

Cloned portfolio
+22.5%
SPY
+24.0%
Annualised alpha
-1.0%
Max drawdown
−14.8%

Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.

Portfolio Concentration

1,518 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025
Top Position
4.3%
−0.9 pts
Top 5
18.6%
−0.8 pts
Top 10
29.4%
−0.2 pts
HHI
123
Dec 2024 → Mar 2026 · range 103 – 185
Diversified−9

Portfolio Trend

6 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026
Sector % Portfolio Value
Technology 20.6% $38,612,881
Financial Services 16.0% $29,939,401
Unclassified 11.0% $20,715,861
Basic Materials 8.1% $15,126,397
Energy 7.9% $14,896,835
Healthcare 7.2% $13,508,817
Industrials 7.2% $13,448,709
Consumer Cyclical 6.2% $11,562,899
Communication Services 6.1% $11,377,682
Consumer Defensive 4.7% $8,737,084
Utilities 3.1% $5,810,083
Real Estate 2.0% $3,754,195

Last Quarter's Activity

Export CSV
Mar 31, 2026 vs Dec 31, 2025

Added To

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

Trimmed

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

New Positions

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

Sold Out

Positions the filer fully exited
23 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
1,518 positions · $187,490,844 total · as of Mar 31, 2026
Showing 1–50 of 1,518 positions by value · page 1 of 31
Ticker Company Shares Value (USD) % of Portfolio History