Harbor Advisors LLC
- SEC CIK
- 0001687156
- Latest filing
- Jul 28, 2026
Holdings in Q1 2026
Holdings as of Mar 31, 2026, filed May 7, 2026. Long positions only; changes compare share counts with Q4 2025.
- Positions
- 197
- +4 vs. Q4 2025
- Portfolio value
- $692.2M
- +$26.4M (+4.0%) vs. Q4 2025
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| EQIXEquinix Inc | COM | 239,240 | $234.5M | 33.9% | −13,550−5.4% | Reduced | History |
| GOOGLAlphabet Inc. | Stock | 145,600 | $41.9M | 6.0% | −10,000−6.4% | Reduced | History |
| AAPLApple Inc. | Stock | 148,400 | $37.7M | 5.4% | 00.0% | Unchanged | History |
| AMZNAmazon Com Inc | Stock | 153,200 | $31.9M | 4.6% | 00.0% | Unchanged | History |
| NVDANVIDIA Corp | Stock | 180,000 | $31.4M | 4.5% | 00.0% | Unchanged | History |
| CNQCanadian Natural Resources Ltd | COM | 499,800 | $24.4M | 3.5% | 00.0% | Unchanged | History |
| MUMicron Technology Inc | Stock | 51,000 | $17.2M | 2.5% | +2,500+5.2% | Added | History |
| FTAIFTAI Aviation Ltd. | SHS | 57,000 | $14.0M | 2.0% | 00.0% | Unchanged | History |
| MAMastercard Inc | Stock | 26,000 | $13.0M | 1.9% | 00.0% | Unchanged | History |
| IBKRInteractive Brokers Group, Inc. | Stock | 186,832 | $12.5M | 1.8% | 00.0% | Unchanged | History |
| MSFTMicrosoft Corp | Stock | 26,500 | $9.81M | 1.4% | +500+1.9% | Added | History |
| FERGFerguson Enterprises Inc. | COMMON STOCK NEW | 41,255 | $9.62M | 1.4% | 00.0% | Unchanged | History |
| METAMeta Platforms, Inc. | Stock | 13,800 | $7.90M | 1.1% | 00.0% | Unchanged | History |
| NTBBank of N.T. Butterfield & Son Ltd | SHS NEW | 144,908 | $7.60M | 1.1% | −10,500−6.8% | Reduced | History |
| JPMJPMorgan Chase & Co | Stock | 24,148 | $7.10M | 1.0% | 00.0% | Unchanged | History |
| SPGIS&P Global Inc. | Stock | 13,667 | $5.81M | 0.8% | 00.0% | Unchanged | History |
| PJTPJT Partners Inc. | COM CL A | 41,519 | $5.80M | 0.8% | 00.0% | Unchanged | History |
| GOOGAlphabet Inc. | Stock | 20,000 | $5.74M | 0.8% | 00.0% | Unchanged | History |
| NUENucor Corp | COM | 27,992 | $4.73M | 0.7% | 00.0% | Unchanged | History |
| DLRDigital Realty Trust, Inc. | COM | 25,552 | $4.60M | 0.7% | 00.0% | Unchanged | History |
| EVREvercore Inc. | CLASS A | 15,000 | $4.48M | 0.6% | 00.0% | Unchanged | History |
| TMUST-Mobile US, Inc. | Stock | 20,650 | $4.34M | 0.6% | 00.0% | Unchanged | History |
| WMTWalmart Inc. | Stock | 33,000 | $4.10M | 0.6% | 00.0% | Unchanged | History |
| BLKBlackRock, Inc. | Stock | 3,924 | $3.77M | 0.5% | 00.0% | Unchanged | History |
| EOGEOG Resources Inc | Stock | 25,900 | $3.74M | 0.5% | 00.0% | Unchanged | History |
| HLIHoulihan Lokey, Inc. | CL A | 25,000 | $3.59M | 0.5% | 00.0% | Unchanged | History |
| MCOMoodys Corp | Stock | 8,000 | $3.49M | 0.5% | 00.0% | Unchanged | History |
| NBISNebius Group N.V. | Stock | 27,600 | $2.86M | 0.4% | 00.0% | Unchanged | History |
| MLMMartin Marietta Materials Inc | COM | 4,500 | $2.65M | 0.4% | 00.0% | Unchanged | History |
| MCBMetropolitan Bank Holding Corp. | COM | 31,500 | $2.62M | 0.4% | 00.0% | Unchanged | History |
| CVXChevron Corp | Stock | 12,572 | $2.60M | 0.4% | 00.0% | Unchanged | History |
| CRWDCrowdStrike Holdings, Inc. | Stock | 6,250 | $2.44M | 0.4% | 00.0% | Unchanged | History |
| DHRDanaher Corp | Stock | 12,505 | $2.37M | 0.3% | 00.0% | Unchanged | History |
| AKAMAkamai Technologies Inc | COM | 20,000 | $2.30M | 0.3% | 00.0% | Unchanged | History |
| FOXFox Corp | CL B COM | 41,265 | $2.19M | 0.3% | 00.0% | Unchanged | History |
| PNCPNC Financial Services Group, Inc. | Stock | 10,444 | $2.17M | 0.3% | 00.0% | Unchanged | History |
| HLTHilton Worldwide Holdings Inc. | COM | 7,133 | $2.17M | 0.3% | 00.0% | Unchanged | History |
| EFXEquifax Inc | COM | 12,000 | $2.16M | 0.3% | 00.0% | Unchanged | History |
| FBKFB Financial Corp | COM | 40,799 | $2.12M | 0.3% | 00.0% | Unchanged | History |
| CTRACoterra Energy Inc. | Stock | 60,043 | $2.11M | 0.3% | 00.0% | Unchanged | History |
| GEGeneral Electric Co | Stock | 7,000 | $1.99M | 0.3% | 00.0% | Unchanged | History |
| GDSGDS Holdings Ltd | SPONSORED ADS | 47,500 | $1.91M | 0.3% | +27,500+137.5% | Added | History |
| CHTRCharter Communications, Inc. | CL A | 8,744 | $1.89M | 0.3% | −7,198−45.2% | Reduced | History |
| AJGArthur J. Gallagher & Co. | COM | 8,375 | $1.81M | 0.3% | 00.0% | Unchanged | History |
| HDHome Depot, Inc. | Stock | 5,500 | $1.81M | 0.3% | 00.0% | Unchanged | History |
| APOApollo Global Management, Inc. | COM | 15,947 | $1.78M | 0.3% | 00.0% | Unchanged | History |
| BPOPPopular, Inc. | COM NEW | 13,000 | $1.74M | 0.3% | 00.0% | Unchanged | History |
| EGEverest Group, Ltd. | COM | 5,000 | $1.63M | 0.2% | 00.0% | Unchanged | History |
| PLTRPalantir Technologies Inc. | Stock | 11,000 | $1.61M | 0.2% | 00.0% | Unchanged | History |
| PANWPalo Alto Networks Inc | Stock | 10,000 | $1.60M | 0.2% | −2,500−20.0% | Reduced | History |
| CUBICustomers Bancorp, Inc. | COM | 23,000 | $1.60M | 0.2% | 00.0% | Unchanged | History |
| WFCWells Fargo & Company | Stock | 20,000 | $1.59M | 0.2% | 00.0% | Unchanged | History |
| ARESAres Management Corp | CL A COM STK | 14,500 | $1.58M | 0.2% | 00.0% | Unchanged | History |
| BXBlackstone Inc. | COM | 13,700 | $1.58M | 0.2% | 00.0% | Unchanged | History |
| BROBrown & Brown, Inc. | Stock | 24,000 | $1.57M | 0.2% | 00.0% | Unchanged | History |
| FNFFidelity National Financial, Inc. | COM SHS | 33,409 | $1.55M | 0.2% | 00.0% | Unchanged | History |
| TMOThermo Fisher Scientific Inc. | Stock | 3,000 | $1.47M | 0.2% | 00.0% | Unchanged | History |
| CPCanadian Pacific Kansas City Ltd | COM | 18,746 | $1.47M | 0.2% | 00.0% | Unchanged | History |
| TTTrane Technologies plc | SHS | 3,500 | $1.46M | 0.2% | 00.0% | Unchanged | History |
| ADBEAdobe Inc. | Stock | 6,000 | $1.46M | 0.2% | 00.0% | Unchanged | History |
| XOMExxonMobil Holdings Corp | COM | 8,057 | $1.37M | 0.2% | 00.0% | Unchanged | History |
| RTXRTX Corp | Stock | 6,766 | $1.31M | 0.2% | 00.0% | Unchanged | History |
| VRTVertiv Holdings Co | COM CL A | 5,000 | $1.25M | 0.2% | 00.0% | Unchanged | History |
| CSXCSX Corp | Stock | 30,000 | $1.23M | 0.2% | 00.0% | Unchanged | History |
| COPConocoPhillips | Stock | 9,272 | $1.22M | 0.2% | 00.0% | Unchanged | History |
| VVisa Inc. | Stock | 4,000 | $1.21M | 0.2% | 00.0% | Unchanged | History |
| LLYEli Lilly & Co | Stock | 1,300 | $1.20M | 0.2% | +400+44.4% | Added | History |
| ECHOEchoStar CORP | CL A | 10,000 | $1.17M | 0.2% | 00.0% | Unchanged | History |
| BABAAlibaba Group Holding Ltd | ADR | 9,000 | $1.13M | 0.2% | +2,000+28.6% | Added | History |
| ACGLArch Capital Group Ltd. | Stock | 11,500 | $1.10M | 0.2% | 00.0% | Unchanged | History |
| URIUnited Rentals, Inc. | COM | 1,500 | $1.09M | 0.2% | 00.0% | Unchanged | History |
| GEVGE Vernova Inc. | Stock | 1,250 | $1.09M | 0.2% | 00.0% | Unchanged | History |
| MSMorgan Stanley | Stock | 6,608 | $1.09M | 0.2% | 00.0% | Unchanged | History |
| AVGOBroadcom Inc. | Stock | 3,500 | $1.08M | 0.2% | 00.0% | Unchanged | History |
| CSGPCostar Group, Inc. | COM | 26,560 | $1.07M | 0.2% | 00.0% | Unchanged | History |
| WALWestern Alliance Bancorporation | COM | 15,000 | $1.06M | 0.2% | +1,000+7.1% | Added | History |
| PNFPPinnacle Financial Partners, Inc. | COM | 12,000 | $1.03M | 0.1% | +12,000 | New | History |
| LIILennox International Inc | COM | 2,200 | $1.02M | 0.1% | 00.0% | Unchanged | History |
| OZKBank OZK | COM | 21,455 | $984.6K | 0.1% | 00.0% | Unchanged | History |
| FCNCAFirst Citizens Bancshares Inc | CL A | 512 | $964.9K | 0.1% | 00.0% | Unchanged | History |
| LBRDKLiberty Broadband Corp | COM SER C | 18,674 | $939.3K | 0.1% | 00.0% | Unchanged | History |
| YUMCYum China Holdings, Inc. | COM | 19,000 | $926.8K | 0.1% | 00.0% | Unchanged | History |
| ASMLASML Holding NV | ADR | 700 | $924.6K | 0.1% | 00.0% | Unchanged | History |
| OSGOctave Specialty Group Inc | COM NEW | 196,382 | $913.2K | 0.1% | 00.0% | Unchanged | History |
| PFEPfizer Inc | Stock | 31,962 | $897.5K | 0.1% | 00.0% | Unchanged | History |
| LOWLowes Companies Inc | Stock | 3,700 | $874.2K | 0.1% | 00.0% | Unchanged | History |
| FANGDiamondback Energy, Inc. | Stock | 4,398 | $869.9K | 0.1% | 00.0% | Unchanged | History |
| MCKMcKesson Corp | Stock | 1,000 | $865.4K | 0.1% | 00.0% | Unchanged | History |
| NSCNorfolk Southern Corp | Stock | 3,000 | $861.0K | 0.1% | 00.0% | Unchanged | History |
| MCMoelis & Co | CL A | 14,800 | $843.6K | 0.1% | 00.0% | Unchanged | History |
| SNOWSnowflake Inc. | Stock | 5,500 | $829.5K | 0.1% | +500+10.0% | Added | History |
| AMDAdvanced Micro Devices Inc | Stock | 4,000 | $813.7K | 0.1% | 00.0% | Unchanged | History |
| CBRECbre Group, Inc. | CL A | 6,000 | $812.8K | 0.1% | 00.0% | Unchanged | History |
| AONAon plc | CL A | 2,500 | $807.0K | 0.1% | 00.0% | Unchanged | History |
| FCNFti Consulting, Inc | COM | 4,500 | $795.5K | 0.1% | 00.0% | Unchanged | History |
| KDPKeurig Dr Pepper Inc. | COM | 30,000 | $789.9K | 0.1% | 00.0% | Unchanged | History |
| iShares Tr464287689 | RUSSELL 3000 ETF | 2,000 | $741.4K | 0.1% | 00.0% | Unchanged | – |
| CARRCarrier Global Corp | Stock | 13,000 | $732.0K | 0.1% | 00.0% | Unchanged | History |
| WMBWilliams Companies, Inc. | COM | 10,000 | $727.8K | 0.1% | 00.0% | Unchanged | History |
| BRK.ABerkshire Hathaway Inc | CL A | 1 | $718.1K | 0.1% | 00.0% | Unchanged | History |
Sold out since Q4 2025 (5)
Positions held at the end of Q4 2025 that are gone from this filing.
| Security | Class | Shares in Q4 2025 | Value in Q4 2025 | % of portfolio in Q4 2025 | History |
|---|---|---|---|---|---|
| LNTHLantheus Holdings, Inc. | Stock | 4,000 | $266.2K | <0.1% | History |
| KKRKKR & Co. Inc. | COM | 2,000 | $255.0K | <0.1% | History |
| OXYOccidental Petroleum Corp | Stock | 6,000 | $246.7K | <0.1% | History |
| GLIBKLiberty Capital Corp | SER C GCI GROUP | 6,220 | $231.4K | <0.1% | History |
| HHHHoward Hughes Holdings Inc. | COM | 2,613 | $208.4K | <0.1% | History |