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Harbor Island Capital LLC
RIA/Wealth
Harbor Island Capital LLC is a RIA/Wealth based in Topsfield, MA led by Paul David Fortin, managing $233.7M across 15 long positions as of Q3 2025 with 60% Technology concentration, 83% concentrated in top 10 holdings, and 60% technology allocation.
OwnerPaul David Fortin
- Portfolio Value
- $233.7M
- Positions
- 15
- Top Holding
- LRCX at 13.23%
- Last Reported
- Q3 2025
Top Holdings
Largest long holdings in Harbor Island Capital LLC's portfolio (83.2% of total portfolio)
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| Holding | Sector | Position | Weight | Traded | Ownership |
|---|---|---|---|---|---|
Semiconductors Technology | $30.9M | 13.23% | -$12.5M Sold | 0.02% 230.8K shares | |
Semiconductors Technology | $29.4M | 12.59% | -$4.5M Sold | 0.02% 143.6K shares | |
Banks - Diversified Financial Services | $21.3M | 9.12% | — | 0.01% 254.2K shares | |
Consumer Electronics Technology | $20.0M | 8.56% | — | 0.00% 78.6K shares | |
Software - Infrastructure Technology | $20.0M | 8.54% | — | 0.00% 38.5K shares | |
Entertainment Communication Services | $19.2M | 8.20% | +$65.6K Bought | 0.04% 981.4K shares | |
Semiconductors Technology | $14.7M | 6.28% | — | 0.01% 13.6K shares | |
Rental & Leasing Services Industrials | $14.6M | 6.24% | — | 0.23% 83.4K shares | |
Communication Equipment Technology | $14.1M | 6.03% | — | 0.01% 206.0K shares | |
Apparel - Footwear & Accessories Consumer Cyclical | $10.4M | 4.45% | — | 0.01% 149.0K shares |
Changes
Portfolio activity, position movements, and quarter-over-quarter changes in Harbor Island Capital LLC's latest filing
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Market Value
Q/Q Change
Net Flows % of MV
Turnover Ratio
New Purchases
Added To
Sold Out Of
Reduced Holdings
Increased Positions
| Position | Shares Δ |
|---|---|
+43.18% | |
+0.34% |
Decreased Positions
| Position | Shares Δ |
|---|---|
-28.87% | |
-16.12% | |
-13.22% |
Analytics
Portfolio insights and performance metrics for Harbor Island Capital LLC
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