Harbor Advisors LLC
- SEC CIK
- 0001687156
- Latest filing
- Jul 28, 2026
Holdings in Q4 2025
Holdings as of Dec 31, 2025, filed Jan 30, 2026. Long positions only; changes compare share counts with Q3 2025.
- Positions
- 193
- +3 vs. Q3 2025
- Portfolio value
- $665.8M
- +$17.4M (+2.7%) vs. Q3 2025
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| SLGSL Green Realty Corp | COM | 17,000 | $779.8K | 0.1% | +17,000 | New | History |
| PFEPfizer Inc | Stock | 31,962 | $795.9K | 0.1% | 00.0% | Unchanged | History |
| VRTVertiv Holdings Co | COM CL A | 5,000 | $810.0K | 0.1% | 00.0% | Unchanged | History |
| GEVGE Vernova Inc. | Stock | 1,250 | $817.0K | 0.1% | 00.0% | Unchanged | History |
| MCKMcKesson Corp | Stock | 1,000 | $820.3K | 0.1% | 00.0% | Unchanged | History |
| KDPKeurig Dr Pepper Inc. | COM | 30,000 | $840.3K | 0.1% | 00.0% | Unchanged | History |
| AMDAdvanced Micro Devices Inc | Stock | 4,000 | $856.6K | 0.1% | 00.0% | Unchanged | History |
| NSCNorfolk Southern Corp | Stock | 3,000 | $866.2K | 0.1% | 00.0% | Unchanged | History |
| COPConocoPhillips | Stock | 9,272 | $868.0K | 0.1% | 00.0% | Unchanged | History |
| AONAon plc | CL A | 2,500 | $882.2K | 0.1% | 00.0% | Unchanged | History |
| LOWLowes Companies Inc | Stock | 3,700 | $892.3K | 0.1% | 00.0% | Unchanged | History |
| YUMCYum China Holdings, Inc. | COM | 19,000 | $907.1K | 0.1% | 00.0% | Unchanged | History |
| LBRDKLiberty Broadband Corp | COM SER C | 18,674 | $907.6K | 0.1% | 00.0% | Unchanged | History |
| JEFJefferies Financial Group Inc. | COM | 15,000 | $929.5K | 0.1% | 00.0% | Unchanged | History |
| CBRECbre Group, Inc. | CL A | 6,000 | $964.7K | 0.1% | 00.0% | Unchanged | History |
| LLYEli Lilly & Co | Stock | 900 | $967.2K | 0.1% | 00.0% | Unchanged | History |
| XOMExxonMobil Holdings Corp | COM | 8,057 | $969.6K | 0.1% | 00.0% | Unchanged | History |
| OZKBank OZK | COM | 21,455 | $987.4K | 0.1% | 00.0% | Unchanged | History |
| MCMoelis & Co | CL A | 14,800 | $1.02M | 0.2% | 00.0% | Unchanged | History |
| BABAAlibaba Group Holding Ltd | ADR | 7,000 | $1.03M | 0.2% | +1,500+27.3% | Added | History |
| LIILennox International Inc | COM | 2,200 | $1.07M | 0.2% | 00.0% | Unchanged | History |
| ECHOEchoStar CORP | CL A | 10,000 | $1.09M | 0.2% | 00.0% | Unchanged | History |
| CSXCSX Corp | Stock | 30,000 | $1.09M | 0.2% | 00.0% | Unchanged | History |
| SNOWSnowflake Inc. | Stock | 5,000 | $1.10M | 0.2% | 00.0% | Unchanged | History |
| FCNCAFirst Citizens Bancshares Inc | CL A | 512 | $1.10M | 0.2% | 00.0% | Unchanged | History |
| ACGLArch Capital Group Ltd. | Stock | 11,500 | $1.10M | 0.2% | 00.0% | Unchanged | History |
| MSMorgan Stanley | Stock | 6,608 | $1.17M | 0.2% | 00.0% | Unchanged | History |
| WALWestern Alliance Bancorporation | COM | 14,000 | $1.18M | 0.2% | +5,000+55.6% | Added | History |
| AVGOBroadcom Inc. | Stock | 3,500 | $1.21M | 0.2% | 00.0% | Unchanged | History |
| URIUnited Rentals, Inc. | COM | 1,500 | $1.21M | 0.2% | 00.0% | Unchanged | History |
| RTXRTX Corp | Stock | 6,766 | $1.24M | 0.2% | 00.0% | Unchanged | History |
| TTTrane Technologies plc | SHS | 3,500 | $1.36M | 0.2% | 00.0% | Unchanged | History |
| CPCanadian Pacific Kansas City Ltd | COM | 18,746 | $1.38M | 0.2% | 00.0% | Unchanged | History |
| VVisa Inc. | Stock | 4,000 | $1.40M | 0.2% | 00.0% | Unchanged | History |
| OSGOctave Specialty Group Inc | COM NEW | 196,382 | $1.53M | 0.2% | 00.0% | Unchanged | History |
| CTRACoterra Energy Inc. | Stock | 60,043 | $1.58M | 0.2% | 00.0% | Unchanged | History |
| BPOPPopular, Inc. | COM NEW | 13,000 | $1.62M | 0.2% | 00.0% | Unchanged | History |
| CUBICustomers Bancorp, Inc. | COM | 23,000 | $1.68M | 0.3% | −6,000−20.7% | Reduced | History |
| EGEverest Group, Ltd. | COM | 5,000 | $1.70M | 0.3% | 00.0% | Unchanged | History |
| TMOThermo Fisher Scientific Inc. | Stock | 3,000 | $1.74M | 0.3% | 00.0% | Unchanged | History |
| AKAMAkamai Technologies Inc | COM | 20,000 | $1.75M | 0.3% | 00.0% | Unchanged | History |
| CSGPCostar Group, Inc. | COM | 26,560 | $1.79M | 0.3% | +4,000+17.7% | Added | History |
| FNFFidelity National Financial, Inc. | COM SHS | 33,409 | $1.82M | 0.3% | 00.0% | Unchanged | History |
| WFCWells Fargo & Company | Stock | 20,000 | $1.86M | 0.3% | 00.0% | Unchanged | History |
| HDHome Depot, Inc. | Stock | 5,500 | $1.89M | 0.3% | 00.0% | Unchanged | History |
| BROBrown & Brown, Inc. | Stock | 24,000 | $1.91M | 0.3% | 00.0% | Unchanged | History |
| CVXChevron Corp | Stock | 12,572 | $1.92M | 0.3% | 00.0% | Unchanged | History |
| PLTRPalantir Technologies Inc. | Stock | 11,000 | $1.96M | 0.3% | 00.0% | Unchanged | History |
| HLTHilton Worldwide Holdings Inc. | COM | 7,133 | $2.05M | 0.3% | 00.0% | Unchanged | History |
| ADBEAdobe Inc. | Stock | 6,000 | $2.10M | 0.3% | 00.0% | Unchanged | History |
| BXBlackstone Inc. | COM | 13,700 | $2.11M | 0.3% | 00.0% | Unchanged | History |
| GEGeneral Electric Co | Stock | 7,000 | $2.16M | 0.3% | 00.0% | Unchanged | History |
| AJGArthur J. Gallagher & Co. | COM | 8,375 | $2.17M | 0.3% | 00.0% | Unchanged | History |
| PNCPNC Financial Services Group, Inc. | Stock | 10,444 | $2.18M | 0.3% | 00.0% | Unchanged | History |
| FBKFB Financial Corp | COM | 40,799 | $2.28M | 0.3% | 00.0% | Unchanged | History |
| PANWPalo Alto Networks Inc | Stock | 12,500 | $2.30M | 0.3% | 00.0% | Unchanged | History |
| APOApollo Global Management, Inc. | COM | 15,947 | $2.31M | 0.3% | 00.0% | Unchanged | History |
| NBISNebius Group N.V. | Stock | 27,600 | $2.31M | 0.3% | 00.0% | Unchanged | History |
| ARESAres Management Corp | CL A COM STK | 14,500 | $2.34M | 0.4% | 00.0% | Unchanged | History |
| MCBMetropolitan Bank Holding Corp. | COM | 31,500 | $2.41M | 0.4% | 00.0% | Unchanged | History |
| EFXEquifax Inc | COM | 12,000 | $2.60M | 0.4% | 00.0% | Unchanged | History |
| FOXFox Corp | CL B COM | 41,265 | $2.68M | 0.4% | 00.0% | Unchanged | History |
| EOGEOG Resources Inc | Stock | 25,900 | $2.72M | 0.4% | 00.0% | Unchanged | History |
| MLMMartin Marietta Materials Inc | COM | 4,500 | $2.80M | 0.4% | 00.0% | Unchanged | History |
| DHRDanaher Corp | Stock | 12,505 | $2.86M | 0.4% | 00.0% | Unchanged | History |
| CRWDCrowdStrike Holdings, Inc. | Stock | 6,250 | $2.93M | 0.4% | 00.0% | Unchanged | History |
| CHTRCharter Communications, Inc. | CL A | 15,942 | $3.33M | 0.5% | 00.0% | Unchanged | History |
| WMTWalmart Inc. | Stock | 33,000 | $3.68M | 0.6% | 00.0% | Unchanged | History |
| DLRDigital Realty Trust, Inc. | COM | 25,552 | $3.95M | 0.6% | 00.0% | Unchanged | History |
| MCOMoodys Corp | Stock | 8,000 | $4.09M | 0.6% | 00.0% | Unchanged | History |
| TMUST-Mobile US, Inc. | Stock | 20,650 | $4.19M | 0.6% | 00.0% | Unchanged | History |
| BLKBlackRock, Inc. | Stock | 3,924 | $4.20M | 0.6% | 00.0% | Unchanged | History |
| HLIHoulihan Lokey, Inc. | CL A | 25,000 | $4.35M | 0.7% | 00.0% | Unchanged | History |
| NUENucor Corp | COM | 27,992 | $4.57M | 0.7% | 00.0% | Unchanged | History |
| EVREvercore Inc. | CLASS A | 15,000 | $5.10M | 0.8% | 00.0% | Unchanged | History |
| GOOGAlphabet Inc. | Stock | 20,000 | $6.28M | 0.9% | 00.0% | Unchanged | History |
| PJTPJT Partners Inc. | COM CL A | 41,519 | $6.94M | 1.0% | 00.0% | Unchanged | History |
| SPGIS&P Global Inc. | Stock | 13,667 | $7.14M | 1.1% | 00.0% | Unchanged | History |
| NTBBank of N.T. Butterfield & Son Ltd | SHS NEW | 155,408 | $7.74M | 1.2% | 00.0% | Unchanged | History |
| JPMJPMorgan Chase & Co | Stock | 24,148 | $7.78M | 1.2% | 00.0% | Unchanged | History |
| METAMeta Platforms, Inc. | Stock | 13,800 | $9.11M | 1.4% | +1,000+7.8% | Added | History |
| FERGFerguson Enterprises Inc. | COMMON STOCK NEW | 41,255 | $9.18M | 1.4% | 00.0% | Unchanged | History |
| FTAIFTAI Aviation Ltd. | SHS | 57,000 | $11.2M | 1.7% | 00.0% | Unchanged | History |
| IBKRInteractive Brokers Group, Inc. | Stock | 186,832 | $12.0M | 1.8% | 00.0% | Unchanged | History |
| MSFTMicrosoft Corp | Stock | 26,000 | $12.6M | 1.9% | 00.0% | Unchanged | History |
| MUMicron Technology Inc | Stock | 48,500 | $13.8M | 2.1% | 00.0% | Unchanged | History |
| MAMastercard Inc | Stock | 26,000 | $14.8M | 2.2% | 00.0% | Unchanged | History |
| CNQCanadian Natural Resources Ltd | COM | 499,800 | $16.9M | 2.5% | 00.0% | Unchanged | History |
| NVDANVIDIA Corp | Stock | 180,000 | $33.6M | 5.0% | 00.0% | Unchanged | History |
| AMZNAmazon Com Inc | Stock | 153,200 | $35.4M | 5.3% | −1,500−1.0% | Reduced | History |
| AAPLApple Inc. | Stock | 148,400 | $40.3M | 6.1% | 00.0% | Unchanged | History |
| GOOGLAlphabet Inc. | Stock | 155,600 | $48.7M | 7.3% | 00.0% | Unchanged | History |
| EQIXEquinix Inc | COM | 252,790 | $193.7M | 29.1% | 00.0% | Unchanged | History |
Sold out since Q3 2025 (10)
Positions held at the end of Q3 2025 that are gone from this filing.
| Security | Class | Shares in Q3 2025 | Value in Q3 2025 | % of portfolio in Q3 2025 | History |
|---|---|---|---|---|---|
| PNFPPinnacle Financial Partners, Inc. | COM | 12,000 | $1.13M | 0.2% | History |
| JNJJohnson & Johnson | Stock | 2,304 | $427.2K | 0.1% | History |
| PENNPENN Entertainment, Inc. | COM | 12,000 | $231.1K | <0.1% | History |
| BMYBristol Myers Squibb Co | Stock | 5,000 | $225.5K | <0.1% | History |
| DELLDell Technologies Inc. | Stock | 1,500 | $212.7K | <0.1% | History |
| WTWWillis Towers Watson PLC | SHS | 605 | $209.0K | <0.1% | History |
| RBBRBB Bancorp | COM | 10,000 | $187.6K | <0.1% | History |
| PLGOPelagos Insurance Capital Ltd | COM | 10,000 | $181.5K | <0.1% | History |
| SLDESlide Insurance Holdings, Inc. | COM | 10,000 | $157.8K | <0.1% | History |
| KURAKura Oncology, Inc. | COM | 10,000 | $88.5K | <0.1% | History |