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
190 檔
40.4%
As reported in its official Q2 2025 Form 13F filing, Harbor Advisors LLC's tracked investment portfolio stood at $795.1M with 190 total positions.
In Q2 2025, Harbor Advisors LLC adopted a defensive or profit-taking posture, trimming 1 positions and completely liquidating 8 holdings to manage risk exposure.
In terms of portfolio concentration, the top 5 core holdings (including EQIX, AMZN, AAPL) accounted for 40.4% of total reported equity market value during Q2 2025.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | EQIX | Equinix Inc | Stock-Real Estate | 32.91% | -2.52% | +0.12% | |
| 2 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 5.55% | -0.02% | — | |
| 3 | AAPL | Apple Inc | Stock-Tech | 4.98% | -0.04% | — | |
| 4 | NVDA | Nvidia CORP | Stock-Tech | 4.65% | -0.01% | — | |
| 5 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 4.49% | +0.49% | — | |
| 6 | CNQ | Canadian Natural Resources | Stock-Energy | 2.57% | -1.04% | — | |
| 7 | MA | Mastercard Inc - A | Stock-Financials | 2.39% | -0.20% | — | |
| 8 | MSFT | Microsoft CORP | Stock-Tech | 2.12% | -0.18% | — | |
| 9 | IBKR | Interactive Brokers Gro-cl A | Stock-Financials | 1.69% | +0.24% | +300.00% | |
| 10 | META | Meta Platforms Inc-class A | Stock-Comm Services | 1.55% | -0.16% | — | |
| 11 | FERG | Ferguson Enterprises Inc | Stock-Industrials | 1.47% | -0.16% | — | |
| 12 | SPGI | S&p Global Inc | Stock-Financials | 1.18% | -0.14% | — | |
| 13 | JPM | Jpmorgan Chase & Co | Stock-Financials | 1.15% | -0.04% | — | |
| 14 | ✓ | Bank Of Nt Butterfield&son L | Stock-Other | 1.13% | -0.02% | — | |
| 15 | PJT | Pjt Partners Inc - A | Stock-Financials | 1.12% | -0.05% | — | |
| 16 | FTAI | FTAI Aviation Ltd. | Stock-Industrials | 1.07% | -0.08% | — | |
| 17 | CHTR | Charter Communications Inc-a | Stock-Comm Services | 1.07% | -0.11% | — | |
| 18 | MU | Micron Technology Inc | Stock-Tech | 0.98% | +4.77% | — | |
| 19 | TMUS | T-mobile US Inc | Stock-Comm Services | 0.81% | -0.19% | — | |
| 20 | HLI | Houlihan Lokey Inc | Stock-Financials | 0.74% | -0.10% | — | |
| 21 | DLR | Digital Realty Trust Inc | Stock-Real Estate | 0.73% | +0.02% | — | |
| 22 | BLK | Blackrock Inc | Stock-Financials | 0.67% | -0.08% | — | |
| 23 | EVR | Evercore Inc - A | Stock-Financials | 0.66% | -0.01% | — | |
| 24 | MCO | Moody's CORP | Stock-Financials | 0.66% | -0.04% | — | |
| 25 | NUE | Nucor CORP | Stock-Materials | 0.59% | +0.10% | — | |
| 26 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 0.58% | +0.06% | — | |
| 27 | WMT | Walmart Inc | Stock-Consumer Staples | 0.53% | -0.12% | — | |
| 28 | CRWD | Crowdstrike Holdings Inc - A | Stock-Tech | 0.52% | +0.25% | — | |
| 29 | EFX | Equifax Inc | Stock-Industrials | 0.51% | -0.07% | — | |
| 30 | EOG | Eog Resources Inc | Stock-Energy | 0.51% | -0.12% | — | |
| 31 | AJG | Arthur J Gallagher & Co | Stock-Financials | 0.44% | -0.02% | — | |
| 32 | BRO | Brown & Brown Inc | Stock-Financials | 0.44% | -0.04% | — | |
| 33 | PANW | Palo Alto Networks Inc | Stock-Tech | 0.42% | +0.20% | — | |
| 34 | ARES | Ares Management CORP - A | Stock-Financials | 0.41% | -0.03% | +3.57% | |
| 35 | MLM | Martin Marietta Materials | Stock-Materials | 0.40% | -0.05% | — | |
| 36 | DHR | Danaher CORP | Stock-Healthcare | 0.40% | -0.04% | — | |
| 37 | ADBE | Adobe Inc | Stock-Tech | 0.38% | -0.06% | — | |
| 38 | APO | Apollo Global Management Inc | Stock-Financials | 0.37% | -0.02% | — | |
| 39 | MCB | Metropolitan Bank Holding Co | Stock-Other | 0.36% | +0.01% | — | |
| 40 | FOX | Fox CORP - Class B | Stock-Comm Services | 0.35% | -0.08% | — | |
| 41 | BX | Blackstone Inc | Stock-Financials | 0.34% | -0.03% | — | |
| 42 | HD | Home Depot Inc | Stock-Consumer Disc | 0.33% | -0.02% | — | |
| 43 | PNC | Pnc Financial Services Group | Stock-Financials | 0.32% | +0.01% | — | |
| 44 | HLT | Hilton Worldwide Holdings In | Stock-Consumer Disc | 0.31% | -0.01% | — | |
| 45 | FNF | Fidelity National Financial | Stock-Financials | 0.31% | -0.02% | — | |
| 46 | LBRDK | Liberty Broadband-c | Stock-Comm Services | 0.30% | -0.06% | — | |
| 47 | CSGP | Costar Group Inc | Stock-Real Estate | 0.30% | -0.06% | — | |
| 48 | EG | Everest Group, Ltd. | Stock-Financials | 0.28% | -0.02% | — | |
| 49 | FBK | Fb Financial CORP | Stock-Other | 0.28% | -0.03% | — | |
| 50 | WFC | Wells Fargo & Co | Stock-Financials | 0.26% | -0.02% | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | NVDA | Nvidia CORP | +1.3% | — | Unchanged |
| 2 | AMZN | Amazon.com Inc | +0.4% | — | Unchanged |
| 3 | MSFT | Microsoft CORP | +0.4% | — | Unchanged |
| 4 | IBKR | Interactive Brokers Gro-cl A | +0.4% | +300.00% | Add |
| 5 | FERG | Ferguson Enterprises Inc | +0.3% | — | Unchanged |
| 6 | GOOGL | Alphabet Inc-cl A | +0.3% | — | Unchanged |
| 7 | META | Meta Platforms Inc-class A | +0.3% | — | Unchanged |
| 8 | MU | Micron Technology Inc | +0.3% | — | Unchanged |
| 9 | NBIS | Nebius Group N.V. | +0.2% | — | Unchanged |
| 10 | EVR | Evercore Inc - A | +0.1% | — | Unchanged |
| 11 | CRWD | Crowdstrike Holdings Inc - A | +0.1% | — | Unchanged |
| 12 | PJT | Pjt Partners Inc - A | +0.1% | — | Unchanged |
| 13 | JPM | Jpmorgan Chase & Co | +0.1% | — | Unchanged |
| 14 | DLR | Digital Realty Trust Inc | +0.1% | — | Unchanged |
| 15 | PLTR | Palantir Technologies Inc-a | +0.1% | — | Unchanged |
| 16 | RNST | Renasant CORP | +0.1% | NEW | New buy |
| 17 | ✓ | Bank Of Nt Butterfield&son L | +0.1% | — | Unchanged |
| 18 | AII | American Integrity Insurance | +0.1% | NEW | New buy |
| 19 | FCNCA | First Citizens Bcshs -cl A | +0.1% | NEW | New buy |
| 20 | AVGO | Broadcom Inc | +0.1% | — | Unchanged |
| 21 | CHTR | Charter Communications Inc-a | +0.1% | — | Unchanged |
| 22 | ARES | Ares Management CORP - A | +0.1% | +3.57% | Add |
| 23 | MCB | Metropolitan Bank Holding Co | +0.1% | — | Unchanged |
| 24 | PANW | Palo Alto Networks Inc | +0.1% | — | Unchanged |
| 25 | SNOW | Snowflake Inc | +0.1% | — | Unchanged |
| 26 | TT | Trane Technologies plc | +0.1% | — | Unchanged |
| 27 | HLI | Houlihan Lokey Inc | 0% | — | Unchanged |
| 28 | GOOG | Alphabet Inc-cl C | 0% | — | Unchanged |
| 29 | GE | General Electric | 0% | — | Unchanged |
| 30 | BLK | Blackrock Inc | 0% | — | Unchanged |
| 31 | WMT | Walmart Inc | 0% | — | Unchanged |
| 32 | MLM | Martin Marietta Materials | 0% | — | Unchanged |
| 33 | MCO | Moody's CORP | 0% | — | Unchanged |
| 34 | FIS | Fidelity National Info Serv | -0.1% | EXIT | Sold out |
| 35 | DIS | Walt Disney Co/the | -0.1% | EXIT | Sold out |
| 36 | FAF | First American Financial | -0.1% | EXIT | Sold out |
| 37 | OSG | Octave Specialty Group Inc | -0.1% | — | Unchanged |
| 38 | FNF | Fidelity National Financial | -0.1% | — | Unchanged |
| 39 | BCML | Baycom CORP | -0.1% | EXIT | Sold out |
| 40 | CAG | Conagra Brands Inc | -0.1% | EXIT | Sold out |
| 41 | MA | Mastercard Inc - A | -0.1% | — | Unchanged |
| 42 | BRO | Brown & Brown Inc | -0.1% | — | Unchanged |
| 43 | FBMSUSD | First Bancshares Inc/ms | -0.1% | EXIT | Sold out |
| 44 | NTR | Nutrien LTD | -0.1% | EXIT | Sold out |
| 45 | CUBI | Customers Bancorp Inc | -0.1% | -35.21% | Trim |
| 46 | CNQ | Canadian Natural Resources | -0.1% | — | Unchanged |
| 47 | 1S4 | Harborone Bancorp Inc | -0.1% | EXIT | Sold out |
| 48 | TMUS | T-mobile US Inc | -0.2% | — | Unchanged |
| 49 | AAPL | Apple Inc | -0.7% | — | Unchanged |
| 50 | EQIX | Equinix Inc | -2.8% | +0.12% | Add |
According to official SEC Form 13F filings, Harbor Advisors LLC reported a total U.S. public equity portfolio value of $795.1M across 190 disclosed positions in Q2 2025.
During Q2 2025, Harbor Advisors LLC's top holdings by market value included EQIX (32.9%)、AMZN (5.5%)、AAPL (5.0%). The largest single position, EQIX, represented 32.9% 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.
Top New Position Initiated
RNST
市值: $563.1K
Top Position Liquidated / Trimmed
1S4
前期市值: $719.4K
In Q2 2025, Harbor Advisors LLC made 15 total portfolio adjustments, initiating 3 new buys, adding to 3 positions, trimming 1 holdings, and fully liquidating 8 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.