Harbor Advisors LLC 13F Holdings

CIK 0001687156 · West Palm Beach, FL

As of Sep 30, 2025, Harbor Advisors LLC reported 190 positions worth $648.4M in its SEC Form 13F filing.

Top 25 holdings

SecurityTickerSectorSharesValue% of portfolio
EQUINIX INCEQIXReal Estate252,790 98.0M30.54%
ALPHABET INCGOOGLEquity155,600$37.8M5.83%
APPLE INCAAPLTechnology148,400$37.8M5.83%
AMAZON.COM INCAMZNEquity154,700$34.0M5.24%
NVIDIA CORPNVDATechnology180,000$33.6M5.18%
CANADIAN NATURAL RESOURCES LTDCNQEnergy499,800 6.0M2.46%
MASTERCARD INCMAFinancial Services26,000 4.8M2.28%
MICROSOFT CORPMSFTTechnology26,000 3.5M2.08%
INTERACTIVE BROKERS GROUP INCIBKRFinancial Services186,832 2.9M1.98%
FTAI AVIATION LTDFTAIIndustrials57,000$9.5M1.47%
META PLATFORMS INCMETACommunication Services12,800$9.4M1.45%
FERGUSON ENTERPRISES INCFERGIndustrials41,255$9.3M1.43%
MICRON TECHNOLOGY INCMUTechnology48,500$8.1M1.25%
JPMORGAN CHASE & COJPMFinancial Services24,148$7.6M1.17%
PJT PARTNERS INCPJTFinancial Services41,519$7.4M1.14%
BANK OF NT BUTTERFIELD & SON LTDNTBFinancial Services155,408$6.7M1.03%
S&P GLOBAL INCSPGIFinancial Services13,667$6.7M1.03%
HOULIHAN LOKEY INCHLIFinancial Services25,000$5.1M0.79%
EVERCORE INCEVRFinancial Services15,000$5.1M0.78%
T-MOBILE US INCTMUSCommunication Services20,650$4.9M0.76%
ALPHABET INCGOOGEquity20,000$4.9M0.75%
BLACKROCK INCBLKFinancial Services3,924$4.6M0.71%
DIGITAL REALTY TRUST INCDLRReal Estate25,552$4.4M0.68%
CHARTER COMMUNICATIONS INCCHTRCommunication Services15,942$4.4M0.68%
MOODYS CORPMCOFinancial Services8,000$3.8M0.59%