13F GuideFiling Basics
What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
AlphaSMO Research GuideRead Guide
CIK: 0001730580
Total reported value
$375.6M
$375.6M
16 檔
28.0%
The Q1 2025 SEC filing reveals that Harbor Island Capital LLC held a total portfolio value of $375.6M, covering 16 public equity positions.
In Q1 2025, Harbor Island Capital LLC displayed an active expansion posture, initiating 16 new positions and adding to 0 existing holdings, outstripping position reductions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | LRCX | Lam Research CORP | Stock-Tech | 12.79% | +4.50% | -1.60% | |
| 2 | AMAT | Applied Materials Inc | Stock-Tech | 12.56% | +2.82% | -1.51% | |
| 3 | WFC | Wells Fargo & Co | Stock-Financials | 9.80% | -1.93% | -1.56% | |
| 4 | AAPL | Apple Inc | Stock-Tech | 9.30% | -1.36% | -13.13% | |
| 5 | MSFT | Microsoft CORP | Stock-Tech | 7.67% | -1.25% | -1.95% | |
| 6 | GATX | Gatx CORP | Stock-Industrials | 6.94% | -1.36% | -1.68% | |
| 7 | CSCO | Cisco Systems Inc | Stock-Tech | 6.73% | +0.50% | -1.42% | |
| 8 | WBD | Warner Bros Discovery Inc | Stock-Comm Services | 5.60% | -3.32% | -2.03% | |
| 9 | HPQ | Hp Inc | Stock-Tech | 5.31% | -0.38% | +9.75% | |
| 10 | EXP | Eagle Materials Inc | Stock-Materials | 4.92% | -0.62% | -1.58% | |
| 11 | KLAC | Kla CORP | Stock-Tech | 4.90% | +3.48% | -1.39% | |
| 12 | CMCSA | Comcast Corp-class A | Stock-Comm Services | 4.35% | -1.53% | +38.56% | |
| 13 | BAC | Bank Of America CORP | Stock-Financials | 3.46% | -0.43% | -1.65% | |
| 14 | NKE | Nike Inc -cl B | Stock-Consumer Disc | 2.49% | -0.82% | — | |
| 15 | HPE | Hewlett Packard Enterprise | Stock-Tech | 1.76% | — | -0.32% | |
| 16 | INTC | Intel CORP | Stock-Tech | 1.41% | +2.39% | -2.15% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | LRCX | Lam Research CORP | — | NEW | New buy |
| 2 | AMAT | Applied Materials Inc | — | NEW | New buy |
| 3 | WFC | Wells Fargo & Co | — | NEW | New buy |
| 4 | AAPL | Apple Inc | — | NEW | New buy |
| 5 | MSFT | Microsoft CORP | — | NEW | New buy |
| 6 | GATX | Gatx CORP | — | NEW | New buy |
| 7 | CSCO | Cisco Systems Inc | — | NEW | New buy |
| 8 | WBD | Warner Bros Discovery Inc | — | NEW | New buy |
| 9 | HPQ | Hp Inc | — | NEW | New buy |
| 10 | EXP | Eagle Materials Inc | — | NEW | New buy |
| 11 | KLAC | Kla CORP | — | NEW | New buy |
| 12 | CMCSA | Comcast Corp-class A | — | NEW | New buy |
| 13 | BAC | Bank Of America CORP | — | NEW | New buy |
| 14 | NKE | Nike Inc -cl B | — | NEW | New buy |
| 15 | HPE | Hewlett Packard Enterprise | — | NEW | New buy |
| 16 | INTC | Intel CORP | — | NEW | New buy |
According to official SEC Form 13F filings, Harbor Island Capital LLC reported a total U.S. public equity portfolio value of $375.6M across 16 disclosed positions in Q1 2025.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including LRCX, AMAT, WFC) accounted for 28.0% of total reported equity market value during Q1 2025.
Top New Position Initiated
LRCX
市值: $25.8M
During Q1 2025, Harbor Island Capital LLC's top holdings by market value included LRCX (12.8%)、AMAT (12.6%)、WFC (9.8%). The largest single position, LRCX, represented 12.8% of total portfolio value.
In Q1 2025, Harbor Island Capital LLC made 16 total portfolio adjustments, initiating 16 new buys, adding to 0 positions, trimming 0 holdings, and fully liquidating 0 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.