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Harbor Advisors LLC

SEC CIK
0001687156
Latest filing
Jul 28, 2026

Holdings in Q2 2025

Holdings as of Jun 30, 2025, filed Aug 13, 2025. Long positions only; changes compare share counts with Q1 2025.

Institution overview
Positions
190
−3 vs. Q1 2025
Portfolio value
$611.0M
+$35.1M (+6.1%) vs. Q1 2025
Filed
Aug 13, 2025
SEC
Holdings of Harbor Advisors LLC in Q2 2025
SecurityClassSharesValue% of portfolioShare changeActionHistory
EQIXEquinix IncCOM252,790$201.1M32.9%+300+0.1%AddedHistory
AMZNAmazon Com IncStock154,700$33.9M5.6%00.0%UnchangedHistory
AAPLApple Inc.Stock148,400$30.4M5.0%00.0%UnchangedHistory
NVDANVIDIA CorpStock180,000$28.4M4.7%00.0%UnchangedHistory
GOOGLAlphabet Inc.Stock155,600$27.4M4.5%00.0%UnchangedHistory
CNQCanadian Natural Resources LtdCOM499,800$15.7M2.6%00.0%UnchangedHistory
MAMastercard IncStock26,000$14.6M2.4%00.0%UnchangedHistory
MSFTMicrosoft CorpStock26,000$12.9M2.1%00.0%UnchangedHistory
IBKRInteractive Brokers Group, Inc.Stock186,832$10.4M1.7%00.0%UnchangedConverted for a 4-for-1 splitHistory
METAMeta Platforms, Inc.Stock12,800$9.45M1.5%00.0%UnchangedHistory
FERGFerguson Enterprises Inc.COMMON STOCK NEW41,255$8.98M1.5%00.0%UnchangedHistory
SPGIS&P Global Inc.Stock13,667$7.21M1.2%00.0%UnchangedHistory
JPMJPMorgan Chase & CoStock24,148$7.00M1.1%00.0%UnchangedHistory
NTBBank of N.T. Butterfield & Son LtdSHS NEW155,408$6.88M1.1%00.0%UnchangedHistory
PJTPJT Partners Inc.COM CL A41,519$6.85M1.1%00.0%UnchangedHistory
FTAIFTAI Aviation Ltd.SHS57,000$6.56M1.1%00.0%UnchangedHistory
CHTRCharter Communications, Inc.CL A15,942$6.52M1.1%00.0%UnchangedHistory
MUMicron Technology IncStock48,500$5.98M1.0%00.0%UnchangedHistory
TMUST-Mobile US, Inc.Stock20,650$4.92M0.8%00.0%UnchangedHistory
HLIHoulihan Lokey, Inc.CL A25,000$4.50M0.7%00.0%UnchangedHistory
DLRDigital Realty Trust, Inc.COM25,552$4.45M0.7%00.0%UnchangedHistory
BLKBlackRock, Inc.Stock3,924$4.12M0.7%00.0%UnchangedHistory
EVREvercore Inc.CLASS A15,000$4.05M0.7%00.0%UnchangedHistory
MCOMoodys CorpStock8,000$4.01M0.7%00.0%UnchangedHistory
NUENucor CorpCOM27,992$3.63M0.6%00.0%UnchangedHistory
GOOGAlphabet Inc.Stock20,000$3.55M0.6%00.0%UnchangedHistory
WMTWalmart Inc.Stock33,000$3.23M0.5%00.0%UnchangedHistory
CRWDCrowdStrike Holdings, Inc.Stock6,250$3.18M0.5%00.0%UnchangedHistory
EFXEquifax IncCOM12,000$3.11M0.5%00.0%UnchangedHistory
EOGEOG Resources IncStock25,900$3.10M0.5%00.0%UnchangedHistory
AJGArthur J. Gallagher & Co.COM8,375$2.68M0.4%00.0%UnchangedHistory
BROBrown & Brown, Inc.Stock24,000$2.66M0.4%00.0%UnchangedHistory
PANWPalo Alto Networks IncStock12,500$2.56M0.4%00.0%UnchangedHistory
ARESAres Management CorpCL A COM STK14,500$2.51M0.4%+500+3.6%AddedHistory
MLMMartin Marietta Materials IncCOM4,500$2.47M0.4%00.0%UnchangedHistory
DHRDanaher CorpStock12,505$2.47M0.4%00.0%UnchangedHistory
ADBEAdobe Inc.Stock6,000$2.32M0.4%00.0%UnchangedHistory
APOApollo Global Management, Inc.COM15,948$2.26M0.4%00.0%UnchangedHistory
MCBMetropolitan Bank Holding Corp.COM31,500$2.21M0.4%00.0%UnchangedHistory
FOXFox CorpCL B COM41,266$2.13M0.3%00.0%UnchangedHistory
BXBlackstone Inc.COM13,700$2.05M0.3%00.0%UnchangedHistory
HDHome Depot, Inc.Stock5,500$2.02M0.3%00.0%UnchangedHistory
PNCPNC Financial Services Group, Inc.Stock10,444$1.95M0.3%00.0%UnchangedHistory
HLTHilton Worldwide Holdings Inc.COM7,133$1.90M0.3%00.0%UnchangedHistory
FNFFidelity National Financial, Inc.COM SHS33,409$1.87M0.3%00.0%UnchangedHistory
LBRDKLiberty Broadband CorpCOM SER C18,674$1.84M0.3%00.0%UnchangedHistory
CSGPCostar Group, Inc.COM22,560$1.81M0.3%00.0%UnchangedHistory
EGEverest Group, Ltd.COM5,000$1.70M0.3%00.0%UnchangedHistory
FBKFB Financial CorpCOM37,387$1.69M0.3%00.0%UnchangedHistory
WFCWells Fargo & CompanyStock20,000$1.60M0.3%00.0%UnchangedHistory
AKAMAkamai Technologies IncCOM20,000$1.60M0.3%00.0%UnchangedHistory
GEGeneral Electric CoStock6,000$1.54M0.3%00.0%UnchangedHistory
TTTrane Technologies plcSHS3,500$1.53M0.3%00.0%UnchangedHistory
CTRACoterra Energy Inc.Stock60,043$1.52M0.2%00.0%UnchangedHistory
NBISNebius Group N.V.Stock27,500$1.52M0.2%00.0%UnchangedHistory
PLTRPalantir Technologies Inc.Stock11,000$1.50M0.2%00.0%UnchangedHistory
CPCanadian Pacific Kansas City LtdCOM18,746$1.49M0.2%00.0%UnchangedHistory
BPOPPopular, Inc.COM NEW13,000$1.43M0.2%00.0%UnchangedHistory
VVisa Inc.Stock4,000$1.42M0.2%00.0%UnchangedHistory
OSGOctave Specialty Group IncCOM NEW196,382$1.39M0.2%00.0%UnchangedHistory
CUBICustomers Bancorp, Inc.COM23,000$1.35M0.2%−12,500−35.2%ReducedHistory
PNFPPinnacle Financial Partners, Inc.COM12,000$1.32M0.2%00.0%UnchangedHistory
LIILennox International IncCOM2,200$1.26M0.2%00.0%UnchangedHistory
TMOThermo Fisher Scientific Inc.Stock3,000$1.22M0.2%00.0%UnchangedHistory
URIUnited Rentals, Inc.COM1,500$1.13M0.2%00.0%UnchangedHistory
SNOWSnowflake Inc.Stock5,000$1.12M0.2%00.0%UnchangedHistory
HESHess CorpStock8,000$1.11M0.2%+2,000+33.3%AddedHistory
ACGLArch Capital Group Ltd.Stock11,500$1.05M0.2%00.0%UnchangedHistory
ITGartner IncCOM2,500$1.01M0.2%00.0%UnchangedHistory
OZKBank OZKCOM21,455$1.01M0.2%00.0%UnchangedHistory
KDPKeurig Dr Pepper Inc.COM30,000$991.8K0.2%00.0%UnchangedHistory
RTXRTX CorpStock6,766$988.0K0.2%00.0%UnchangedHistory
CSXCSX CorpStock30,000$978.9K0.2%00.0%UnchangedHistory
AVGOBroadcom Inc.Stock3,500$964.8K0.2%00.0%UnchangedHistory
CARRCarrier Global CorpStock13,000$951.5K0.2%00.0%UnchangedHistory
ZTSZoetis Inc.Stock5,976$932.0K0.2%00.0%UnchangedHistory
MSMorgan StanleyStock6,608$930.8K0.2%00.0%UnchangedHistory
MCMoelis & CoCL A14,800$922.3K0.2%00.0%UnchangedHistory
AONAon plcCL A2,500$891.9K0.1%00.0%UnchangedHistory
XOMExxonMobil Holdings CorpCOM8,057$868.5K0.1%00.0%UnchangedHistory
YUMCYum China Holdings, Inc.COM19,000$849.5K0.1%00.0%UnchangedHistory
ESGREnstar Group LTDSHS2,500$840.9K0.1%00.0%UnchangedHistory
CBRECbre Group, Inc.CL A6,000$840.7K0.1%00.0%UnchangedHistory
COPConocoPhillipsStock9,272$832.1K0.1%00.0%UnchangedHistory
LOWLowes Companies IncStock3,700$820.9K0.1%00.0%UnchangedHistory
JEFJefferies Financial Group Inc.COM15,000$820.4K0.1%00.0%UnchangedHistory
SAROStandardAero, Inc.COM25,125$795.2K0.1%00.0%UnchangedHistory
MTNVail Resorts IncCOM5,000$785.6K0.1%00.0%UnchangedHistory
PFEPfizer IncStock31,962$774.8K0.1%00.0%UnchangedHistory
OWLBlue Owl Capital Inc.COM CL A40,000$768.4K0.1%00.0%UnchangedHistory
NSCNorfolk Southern CorpStock3,000$767.9K0.1%00.0%UnchangedHistory
MCKMcKesson CorpStock1,000$732.8K0.1%00.0%UnchangedHistory
BRK.ABerkshire Hathaway IncCL A1$728.8K0.1%00.0%UnchangedHistory
FCNFti Consulting, IncCOM4,500$726.8K0.1%00.0%UnchangedHistory
iShares Tr464287689RUSSELL 3000 ETF2,000$702.0K0.1%00.0%Unchanged–
WALWestern Alliance BancorporationCOM9,000$701.8K0.1%00.0%UnchangedHistory
LLYEli Lilly & CoStock900$701.6K0.1%00.0%UnchangedHistory
UBERUber Technologies, IncStock7,298$680.9K0.1%00.0%UnchangedHistory
NFLXNetflix IncStock500$669.6K0.1%00.0%UnchangedHistory
GEVGE Vernova Inc.Stock1,250$661.4K0.1%00.0%UnchangedHistory

Sold out since Q1 2025 (11)

Positions held at the end of Q1 2025 that are gone from this filing.

Positions of Harbor Advisors LLC sold out since Q1 2025
SecurityClassShares in Q1 2025Value in Q1 2025% of portfolio in Q1 2025History
HONEHarborOne Bancorp, Inc.COM NEW69,374$719.4K0.1%History
FBMSFirst Bancshares IncCOM15,671$529.8K0.1%History
NTRNutrien Ltd.COM10,208$507.0K0.1%History
BCMLBayCom CorpCOM18,182$457.6K0.1%History
CAGConagra Brands Inc.Stock16,500$440.1K0.1%History
FISFidelity National Information Services, Inc.Stock4,750$354.7K0.1%History
DISWalt Disney CoStock3,328$328.5K0.1%History
FAFFirst American Financial CorpStock5,000$328.1K0.1%History
CBUCommunity Financial System, Inc.COM4,058$230.7K<0.1%History
WTWWillis Towers Watson PLCSHS605$204.5K<0.1%History
ESSAESSA Bancorp, Inc.COM10,000$188.5K<0.1%History