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Harbor Advisors LLC

SEC CIK
0001687156
Latest filing
Jul 28, 2026

Holdings in Q1 2025

Holdings as of Mar 31, 2025, filed May 15, 2025. Long positions only; changes compare share counts with Q4 2024.

Institution overview
Positions
193
+1 vs. Q4 2024
Portfolio value
$576.0M
−$60.6M (−9.5%) vs. Q4 2024
Filed
May 15, 2025
SEC
Holdings of Harbor Advisors LLC in Q1 2025
SecurityClassSharesValue% of portfolioShare changeActionHistory
NSCNorfolk Southern CorpStock3,000$710.5K0.1%00.0%UnchangedHistory
HONEHarborOne Bancorp, Inc.COM NEW69,374$719.4K0.1%00.0%UnchangedHistory
SNOWSnowflake Inc.Stock5,000$730.8K0.1%00.0%UnchangedHistory
CVXChevron CorpStock4,372$731.4K0.1%00.0%UnchangedHistory
FCNFti Consulting, IncCOM4,500$738.4K0.1%00.0%UnchangedHistory
LLYEli Lilly & CoStock900$743.3K0.1%00.0%UnchangedHistory
MSMorgan StanleyStock6,608$771.0K0.1%00.0%UnchangedHistory
CBRECbre Group, Inc.CL A6,000$784.7K0.1%00.0%UnchangedHistory
BRK.ABerkshire Hathaway IncCL A1$798.4K0.1%00.0%UnchangedHistory
MTNVail Resorts IncCOM5,000$800.1K0.1%−3,000−37.5%ReducedHistory
OWLBlue Owl Capital Inc.COM CL A40,000$801.6K0.1%00.0%UnchangedHistory
JEFJefferies Financial Group Inc.COM15,000$803.5K0.1%00.0%UnchangedHistory
PFEPfizer IncStock31,962$809.9K0.1%00.0%UnchangedHistory
CARRCarrier Global CorpStock13,000$824.2K0.1%00.0%UnchangedHistory
ESGREnstar Group LTDSHS2,500$831.0K0.1%00.0%UnchangedHistory
LOWLowes Companies IncStock3,700$863.0K0.1%00.0%UnchangedHistory
MCMoelis & CoCL A14,800$863.7K0.1%00.0%UnchangedHistory
CSXCSX CorpStock30,000$882.9K0.2%00.0%UnchangedHistory
RTXRTX CorpStock6,766$896.2K0.2%00.0%UnchangedHistory
PLTRPalantir Technologies Inc.Stock11,000$928.4K0.2%00.0%UnchangedHistory
OZKBank OZKCOM21,455$932.2K0.2%00.0%UnchangedHistory
URIUnited Rentals, Inc.COM1,500$940.0K0.2%00.0%UnchangedHistory
XOMExxonMobil Holdings CorpCOM8,057$958.2K0.2%00.0%UnchangedHistory
HESHess CorpStock6,000$958.4K0.2%00.0%UnchangedHistory
COPConocoPhillipsStock9,272$973.7K0.2%00.0%UnchangedHistory
ZTSZoetis Inc.Stock5,976$983.9K0.2%00.0%UnchangedHistory
YUMCYum China Holdings, Inc.COM19,000$989.1K0.2%00.0%UnchangedHistory
AONAon plcCL A2,500$997.7K0.2%00.0%UnchangedHistory
KDPKeurig Dr Pepper Inc.COM30,000$1.03M0.2%00.0%UnchangedHistory
ITGartner IncCOM2,500$1.05M0.2%00.0%UnchangedHistory
ACGLArch Capital Group Ltd.Stock11,500$1.11M0.2%00.0%UnchangedHistory
TTTrane Technologies plcSHS3,500$1.18M0.2%00.0%UnchangedHistory
BPOPPopular, Inc.COM NEW13,000$1.20M0.2%00.0%UnchangedHistory
GEGeneral Electric CoStock6,000$1.20M0.2%00.0%UnchangedHistory
LIILennox International IncCOM2,200$1.23M0.2%00.0%UnchangedHistory
PNFPPinnacle Financial Partners, Inc.COM12,000$1.27M0.2%00.0%UnchangedHistory
CPCanadian Pacific Kansas City LtdCOM18,746$1.32M0.2%00.0%UnchangedHistory
VVisa Inc.Stock4,000$1.40M0.2%00.0%UnchangedHistory
WFCWells Fargo & CompanyStock20,000$1.44M0.2%00.0%UnchangedHistory
TMOThermo Fisher Scientific Inc.Stock3,000$1.49M0.3%00.0%UnchangedHistory
LBRDKLiberty Broadband CorpCOM SER C18,674$1.59M0.3%00.0%UnchangedHistory
AKAMAkamai Technologies IncCOM20,000$1.61M0.3%00.0%UnchangedHistory
HLTHilton Worldwide Holdings Inc.COM7,133$1.62M0.3%00.0%UnchangedHistory
OSGOctave Specialty Group IncCOM NEW196,382$1.72M0.3%00.0%UnchangedHistory
FBKFB Financial CorpCOM37,387$1.73M0.3%00.0%UnchangedHistory
CTRACoterra Energy Inc.Stock60,043$1.74M0.3%00.0%UnchangedHistory
MCBMetropolitan Bank Holding Corp.COM31,500$1.76M0.3%00.0%UnchangedHistory
CUBICustomers Bancorp, Inc.COM35,500$1.78M0.3%−8,950−20.1%ReducedHistory
CSGPCostar Group, Inc.COM22,560$1.79M0.3%00.0%UnchangedHistory
EGEverest Group, Ltd.COM5,000$1.82M0.3%00.0%UnchangedHistory
PNCPNC Financial Services Group, Inc.Stock10,444$1.84M0.3%00.0%UnchangedHistory
BXBlackstone Inc.COM13,700$1.91M0.3%00.0%UnchangedHistory
HDHome Depot, Inc.Stock5,500$2.02M0.3%00.0%UnchangedHistory
ARESAres Management CorpCL A COM STK14,000$2.05M0.4%00.0%UnchangedHistory
PANWPalo Alto Networks IncStock12,500$2.13M0.4%00.0%UnchangedHistory
MLMMartin Marietta Materials IncCOM4,500$2.15M0.4%00.0%UnchangedHistory
FNFFidelity National Financial, Inc.COM SHS33,409$2.17M0.4%00.0%UnchangedHistory
FOXFox CorpCL B COM41,266$2.18M0.4%+10.0%AddedHistory
APOApollo Global Management, Inc.COM15,948$2.18M0.4%+10.0%AddedHistory
CRWDCrowdStrike Holdings, Inc.Stock6,250$2.20M0.4%00.0%UnchangedHistory
ADBEAdobe Inc.Stock6,000$2.30M0.4%00.0%UnchangedHistory
DHRDanaher CorpStock12,505$2.56M0.4%00.0%UnchangedHistory
AJGArthur J. Gallagher & Co.COM8,375$2.89M0.5%00.0%UnchangedHistory
WMTWalmart Inc.Stock33,000$2.90M0.5%00.0%UnchangedHistory
EFXEquifax IncCOM12,000$2.92M0.5%00.0%UnchangedHistory
BROBrown & Brown, Inc.Stock24,000$2.99M0.5%00.0%UnchangedHistory
EVREvercore Inc.CLASS A15,000$3.00M0.5%00.0%UnchangedHistory
GOOGAlphabet Inc.Stock20,000$3.12M0.5%00.0%UnchangedHistory
EOGEOG Resources IncStock25,900$3.32M0.6%00.0%UnchangedHistory
NUENucor CorpCOM27,992$3.37M0.6%00.0%UnchangedHistory
DLRDigital Realty Trust, Inc.COM25,552$3.66M0.6%00.0%UnchangedHistory
BLKBlackRock, Inc.Stock3,924$3.71M0.6%00.0%UnchangedHistory
MCOMoodys CorpStock8,000$3.73M0.6%00.0%UnchangedHistory
HLIHoulihan Lokey, Inc.CL A25,000$4.04M0.7%00.0%UnchangedHistory
MUMicron Technology IncStock48,500$4.21M0.7%00.0%UnchangedHistory
TMUST-Mobile US, Inc.Stock20,650$5.51M1.0%00.0%UnchangedHistory
PJTPJT Partners Inc.COM CL A41,519$5.72M1.0%00.0%UnchangedHistory
CHTRCharter Communications, Inc.CL A15,942$5.88M1.0%00.0%UnchangedHistory
JPMJPMorgan Chase & CoStock24,148$5.92M1.0%00.0%UnchangedHistory
NTBBank of N.T. Butterfield & Son LtdSHS NEW155,408$6.05M1.1%00.0%UnchangedHistory
FTAIFTAI Aviation Ltd.SHS57,000$6.33M1.1%+2,000+3.6%AddedHistory
FERGFerguson Enterprises Inc.COMMON STOCK NEW41,255$6.61M1.1%00.0%UnchangedHistory
SPGIS&P Global Inc.Stock13,667$6.94M1.2%00.0%UnchangedHistory
METAMeta Platforms, Inc.Stock12,800$7.38M1.3%00.0%UnchangedHistory
IBKRInteractive Brokers Group, Inc.Stock46,708$7.73M1.3%00.0%UnchangedHistory
MSFTMicrosoft CorpStock26,000$9.76M1.7%00.0%UnchangedHistory
MAMastercard IncStock26,000$14.3M2.5%00.0%UnchangedHistory
CNQCanadian Natural Resources LtdCOM499,800$15.4M2.7%00.0%UnchangedHistory
NVDANVIDIA CorpStock180,000$19.5M3.4%00.0%UnchangedHistory
GOOGLAlphabet Inc.Stock155,600$24.1M4.2%00.0%UnchangedHistory
AMZNAmazon Com IncStock154,700$29.4M5.1%00.0%UnchangedHistory
AAPLApple Inc.Stock148,400$33.0M5.7%00.0%UnchangedHistory
EQIXEquinix IncCOM252,490$205.9M35.7%00.0%UnchangedHistory

Sold out since Q4 2024 (6)

Positions held at the end of Q4 2024 that are gone from this filing.

Positions of Harbor Advisors LLC sold out since Q4 2024
SecurityClassShares in Q4 2024Value in Q4 2024% of portfolio in Q4 2024History
MBINMerchants BancorpCOM20,232$737.9K0.1%History
NVONovo Nordisk A SADR2,800$240.9K<0.1%History
BNTXBioNTech SESPONSORED ADS2,000$227.9K<0.1%History
HHHHoward Hughes Holdings Inc.COM2,613$201.0K<0.1%History
DOWDow Inc.Stock5,000$200.7K<0.1%History
OMOutset Medical, Inc.COM45,000$50.0K<0.1%History