Harbor Island Capital LLC
Filing Date
Global Rank
#3,602
/ 8,586
▲ 180
Top Industry
Semiconductor Equipment & Materials
35.1%
3Y Alpha vs SPY
+8.7%
Period ended 3 months ago
Filed May 12, 2026 · 35d
25 quarters · since Mar 2020
Clone Performance
Jun 2023–Jun 2026 · vs SPYHypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.
Cloned portfolio
+119.4%
SPY
+78.1%
Annualised alpha
+8.7%
Max drawdown
−26.1%
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
16 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025Top Position
15.0%
+1.8 pts
Top 5
52.5%
−1.7 pts
Top 10
81.6%
−2.9 pts
HHI
831
Diversified−16
Portfolio Trend
25 quarters · across all stocks
Sector Breakdown
As of Mar 31, 2026| Sector | % Portfolio | Value |
|---|---|---|
| Technology | 57.7% | $155,441,071 |
| Communication Services | 17.9% | $48,105,054 |
| Financial Services | 10.2% | $27,352,798 |
| Industrials | 5.3% | $14,239,033 |
| Consumer Cyclical | 4.8% | $12,830,770 |
| Basic Materials | 4.2% | $11,207,293 |
Last Quarter's Activity
Export CSVNew Positions
Positions the filer opened this quarter
1 positions
| Ticker | Company | Shares | Value | Open |
|---|---|---|---|---|
| VSNT | Versant Media Group, Inc. | 206,420 | $7,641,668 | |
| No positions match the current search. | ||||
Sold Out
Positions the filer fully exitedNo qualifying positions this quarter.
1 positions ·
$11,207,293 total
· Basic Materials only
· as of Mar 31, 2026
All sectors
Basic Materials
Communication Services
Consumer Cyclical
Financial Services
Industrials
Technology
| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| EXP |
Eagle Materials Inc
Basic Materials
|
Added | 59,157 | $11,207,293 | 100.00% |