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: 0001687156
Total reported value
$795.1M
$795.1M
193 檔
39.2%
During the Q1 2025 filing period, Harbor Advisors LLC (CIK: 0001687156) submitted its Form 13F report to the U.S. SEC, disclosing a tracked public equity portfolio valued at $795.1M across 193 reported positions.
In Q1 2025, Harbor Advisors LLC displayed an active expansion posture, initiating 50 new positions and adding to 0 existing holdings, outstripping position reductions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | EQIX | Equinix Inc | Stock-Real Estate | 35.74% | -2.52% | — | |
| 2 | AAPL | Apple Inc | Stock-Tech | 5.72% | -0.04% | — | |
| 3 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 5.11% | -0.02% | — | |
| 4 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 4.18% | +0.49% | — | |
| 5 | NVDA | Nvidia CORP | Stock-Tech | 3.39% | -0.01% | — | |
| 6 | CNQ | Canadian Natural Resources | Stock-Energy | 2.67% | -1.04% | — | |
| 7 | MA | Mastercard Inc - A | Stock-Financials | 2.47% | -0.20% | — | |
| 8 | MSFT | Microsoft CORP | Stock-Tech | 1.69% | -0.18% | — | |
| 9 | IBKR | Interactive Brokers Gro-cl A | Stock-Financials | 1.34% | +0.24% | — | |
| 10 | META | Meta Platforms Inc-class A | Stock-Comm Services | 1.28% | -0.16% | — | |
| 11 | SPGI | S&p Global Inc | Stock-Financials | 1.21% | -0.14% | — | |
| 12 | FERG | Ferguson Enterprises Inc | Stock-Industrials | 1.15% | -0.16% | — | |
| 13 | FTAI | FTAI Aviation Ltd. | Stock-Industrials | 1.10% | -0.08% | +3.64% | |
| 14 | ✓ | Bank Of Nt Butterfield&son L | Stock-Other | 1.05% | -0.02% | — | |
| 15 | JPM | Jpmorgan Chase & Co | Stock-Financials | 1.03% | -0.04% | — | |
| 16 | CHTR | Charter Communications Inc-a | Stock-Comm Services | 1.02% | -0.11% | — | |
| 17 | PJT | Pjt Partners Inc - A | Stock-Financials | 0.99% | -0.05% | — | |
| 18 | TMUS | T-mobile US Inc | Stock-Comm Services | 0.96% | -0.19% | — | |
| 19 | MU | Micron Technology Inc | Stock-Tech | 0.73% | +4.77% | — | |
| 20 | HLI | Houlihan Lokey Inc | Stock-Financials | 0.70% | -0.10% | — | |
| 21 | MCO | Moody's CORP | Stock-Financials | 0.65% | -0.04% | — | |
| 22 | BLK | Blackrock Inc | Stock-Financials | 0.64% | -0.08% | — | |
| 23 | DLR | Digital Realty Trust Inc | Stock-Real Estate | 0.64% | +0.02% | — | |
| 24 | NUE | Nucor CORP | Stock-Materials | 0.58% | +0.10% | — | |
| 25 | EOG | Eog Resources Inc | Stock-Energy | 0.58% | -0.12% | — | |
| 26 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 0.54% | +0.06% | — | |
| 27 | EVR | Evercore Inc - A | Stock-Financials | 0.52% | -0.01% | — | |
| 28 | BRO | Brown & Brown Inc | Stock-Financials | 0.52% | -0.04% | — | |
| 29 | EFX | Equifax Inc | Stock-Industrials | 0.51% | -0.07% | — | |
| 30 | WMT | Walmart Inc | Stock-Consumer Staples | 0.50% | -0.12% | — | |
| 31 | AJG | Arthur J Gallagher & Co | Stock-Financials | 0.50% | -0.02% | — | |
| 32 | DHR | Danaher CORP | Stock-Healthcare | 0.45% | -0.04% | — | |
| 33 | ADBE | Adobe Inc | Stock-Tech | 0.40% | -0.06% | — | |
| 34 | CRWD | Crowdstrike Holdings Inc - A | Stock-Tech | 0.38% | +0.25% | — | |
| 35 | APO | Apollo Global Management Inc | Stock-Financials | 0.38% | -0.02% | +0.01% | |
| 36 | FOX | Fox CORP - Class B | Stock-Comm Services | 0.38% | -0.08% | +0.00% | |
| 37 | FNF | Fidelity National Financial | Stock-Financials | 0.38% | -0.02% | — | |
| 38 | MLM | Martin Marietta Materials | Stock-Materials | 0.37% | -0.05% | — | |
| 39 | PANW | Palo Alto Networks Inc | Stock-Tech | 0.37% | +0.20% | — | |
| 40 | ARES | Ares Management CORP - A | Stock-Financials | 0.36% | -0.03% | — | |
| 41 | HD | Home Depot Inc | Stock-Consumer Disc | 0.35% | -0.02% | — | |
| 42 | BX | Blackstone Inc | Stock-Financials | 0.33% | -0.03% | — | |
| 43 | PNC | Pnc Financial Services Group | Stock-Financials | 0.32% | +0.01% | — | |
| 44 | EG | Everest Group, Ltd. | Stock-Financials | 0.32% | -0.02% | — | |
| 45 | CSGP | Costar Group Inc | Stock-Real Estate | 0.31% | -0.06% | — | |
| 46 | CUBI | Customers Bancorp Inc | Stock-Other | 0.31% | — | -20.14% | |
| 47 | MCB | Metropolitan Bank Holding Co | Stock-Other | 0.31% | +0.01% | — | |
| 48 | CTRA | Coterra Energy Inc | Stock-Energy | 0.30% | -0.30% | EXIT | |
| 49 | FBK | Fb Financial CORP | Stock-Other | 0.30% | -0.03% | — | |
| 50 | OSG | Octave Specialty Group Inc | Stock-Other | 0.30% | +0.02% | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | EQIX | Equinix Inc | — | NEW | New buy |
| 2 | AAPL | Apple Inc | — | NEW | New buy |
| 3 | AMZN | Amazon.com Inc | — | NEW | New buy |
| 4 | GOOGL | Alphabet Inc-cl A | — | NEW | New buy |
| 5 | NVDA | Nvidia CORP | — | NEW | New buy |
| 6 | CNQ | Canadian Natural Resources | — | NEW | New buy |
| 7 | MA | Mastercard Inc - A | — | NEW | New buy |
| 8 | MSFT | Microsoft CORP | — | NEW | New buy |
| 9 | IBKR | Interactive Brokers Gro-cl A | — | NEW | New buy |
| 10 | META | Meta Platforms Inc-class A | — | NEW | New buy |
| 11 | SPGI | S&p Global Inc | — | NEW | New buy |
| 12 | FERG | Ferguson Enterprises Inc | — | NEW | New buy |
| 13 | FTAI | FTAI Aviation Ltd. | — | NEW | New buy |
| 14 | ✓ | Bank Of Nt Butterfield&son L | — | NEW | New buy |
| 15 | JPM | Jpmorgan Chase & Co | — | NEW | New buy |
| 16 | CHTR | Charter Communications Inc-a | — | NEW | New buy |
| 17 | PJT | Pjt Partners Inc - A | — | NEW | New buy |
| 18 | TMUS | T-mobile US Inc | — | NEW | New buy |
| 19 | MU | Micron Technology Inc | — | NEW | New buy |
| 20 | HLI | Houlihan Lokey Inc | — | NEW | New buy |
| 21 | MCO | Moody's CORP | — | NEW | New buy |
| 22 | BLK | Blackrock Inc | — | NEW | New buy |
| 23 | DLR | Digital Realty Trust Inc | — | NEW | New buy |
| 24 | NUE | Nucor CORP | — | NEW | New buy |
| 25 | EOG | Eog Resources Inc | — | NEW | New buy |
| 26 | GOOG | Alphabet Inc-cl C | — | NEW | New buy |
| 27 | EVR | Evercore Inc - A | — | NEW | New buy |
| 28 | BRO | Brown & Brown Inc | — | NEW | New buy |
| 29 | EFX | Equifax Inc | — | NEW | New buy |
| 30 | WMT | Walmart Inc | — | NEW | New buy |
| 31 | AJG | Arthur J Gallagher & Co | — | NEW | New buy |
| 32 | DHR | Danaher CORP | — | NEW | New buy |
| 33 | ADBE | Adobe Inc | — | NEW | New buy |
| 34 | CRWD | Crowdstrike Holdings Inc - A | — | NEW | New buy |
| 35 | APO | Apollo Global Management Inc | — | NEW | New buy |
| 36 | FOX | Fox CORP - Class B | — | NEW | New buy |
| 37 | FNF | Fidelity National Financial | — | NEW | New buy |
| 38 | MLM | Martin Marietta Materials | — | NEW | New buy |
| 39 | PANW | Palo Alto Networks Inc | — | NEW | New buy |
| 40 | ARES | Ares Management CORP - A | — | NEW | New buy |
| 41 | HD | Home Depot Inc | — | NEW | New buy |
| 42 | BX | Blackstone Inc | — | NEW | New buy |
| 43 | PNC | Pnc Financial Services Group | — | NEW | New buy |
| 44 | EG | Everest Group, Ltd. | — | NEW | New buy |
| 45 | CSGP | Costar Group Inc | — | NEW | New buy |
| 46 | CUBI | Customers Bancorp Inc | — | NEW | New buy |
| 47 | MCB | Metropolitan Bank Holding Co | — | NEW | New buy |
| 48 | CTRA | Coterra Energy Inc | — | NEW | New buy |
| 49 | FBK | Fb Financial CORP | — | NEW | New buy |
| 50 | OSG | Octave Specialty Group Inc | — | NEW | New buy |
According to official SEC Form 13F filings, Harbor Advisors LLC reported a total U.S. public equity portfolio value of $795.1M across 193 disclosed positions in Q1 2025.
During Q1 2025, Harbor Advisors LLC's top holdings by market value included EQIX (35.7%)、AAPL (5.7%)、AMZN (5.1%). The largest single position, EQIX, represented 35.7% of total portfolio value.
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 EQIX, AAPL, AMZN) accounted for 39.2% of total reported equity market value during Q1 2025.
Top New Position Initiated
EQIX
市值: $205.9M
In Q1 2025, Harbor Advisors LLC made 50 total portfolio adjustments, initiating 50 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.