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Harbor Advisors LLC

SEC CIK
0001687156
Latest filing
Jul 28, 2026

Holdings in Q4 2023

Holdings as of Dec 31, 2023, filed Feb 1, 2024. Long positions only; changes compare share counts with Q3 2023.

Institution overview
Positions
175
+10 vs. Q3 2023
Portfolio value
$523.0M
+$56.2M (+12.0%) vs. Q3 2023
Filed
Feb 1, 2024
SEC
Holdings of Harbor Advisors LLC in Q4 2023
SecurityClassSharesValue% of portfolioShare changeActionHistory
EQIXEquinix IncCOM261,710$210.8M40.3%00.0%UnchangedHistory
AAPLApple Inc.Stock148,400$28.6M5.5%00.0%UnchangedHistory
AMZNAmazon Com IncStock154,000$23.4M4.5%00.0%UnchangedHistory
GOOGLAlphabet Inc.Stock155,600$21.7M4.2%00.0%UnchangedHistory
CNQCanadian Natural Resources LtdCOM249,900$16.4M3.1%00.0%UnchangedHistory
MAMastercard IncStock26,000$11.1M2.1%00.0%UnchangedHistory
CHTRCharter Communications, Inc.CL A27,656$10.7M2.1%00.0%UnchangedHistory
FERGFerguson Enterprises Inc.SHS50,190$9.65M1.8%00.0%UnchangedHistory
MSFTMicrosoft CorpStock25,500$9.59M1.8%00.0%UnchangedHistory
NVDANVIDIA CorpStock17,400$8.62M1.6%00.0%UnchangedHistory
SPGIS&P Global Inc.Stock13,667$6.02M1.2%00.0%UnchangedHistory
NTBBank of N.T. Butterfield & Son LtdSHS NEW165,408$5.29M1.0%00.0%UnchangedHistory
NUENucor CorpCOM27,992$4.87M0.9%00.0%UnchangedHistory
METAMeta Platforms, Inc.Stock12,800$4.53M0.9%00.0%UnchangedHistory
PJTPJT Partners Inc.COM CL A41,519$4.23M0.8%00.0%UnchangedHistory
MUMicron Technology IncStock48,500$4.14M0.8%00.0%UnchangedHistory
IBKRInteractive Brokers Group, Inc.Stock49,558$4.11M0.8%00.0%UnchangedHistory
JPMJPMorgan Chase & CoStock24,148$4.11M0.8%00.0%UnchangedHistory
DLRDigital Realty Trust, Inc.COM28,737$3.87M0.7%00.0%UnchangedHistory
ADBEAdobe Inc.Stock6,000$3.58M0.7%00.0%UnchangedHistory
TMUST-Mobile US, Inc.Stock20,650$3.31M0.6%00.0%UnchangedHistory
OSGOctave Specialty Group IncCOM NEW196,382$3.24M0.6%00.0%UnchangedHistory
BLKBlackRock, Inc.COM3,924$3.19M0.6%00.0%UnchangedHistory
EOGEOG Resources IncStock25,900$3.13M0.6%00.0%UnchangedHistory
MCOMoodys CorpStock8,000$3.12M0.6%00.0%UnchangedHistory
HLIHoulihan Lokey, Inc.CL A25,000$3.00M0.6%00.0%UnchangedHistory
EFXEquifax IncCOM12,000$2.97M0.6%00.0%UnchangedHistory
DHRDanaher CorpStock12,505$2.89M0.6%00.0%UnchangedHistory
GOOGAlphabet Inc.Stock20,000$2.82M0.5%00.0%UnchangedHistory
EVREvercore Inc.CLASS A15,000$2.57M0.5%00.0%UnchangedHistory
FTAIFTAI Aviation Ltd.SHS55,000$2.55M0.5%00.0%UnchangedHistory
AKAMAkamai Technologies IncCOM20,000$2.37M0.5%00.0%UnchangedHistory
MLMMartin Marietta Materials IncCOM4,500$2.25M0.4%00.0%UnchangedHistory
HDHome Depot, Inc.Stock5,500$1.91M0.4%00.0%UnchangedHistory
EGEverest Group, Ltd.COM5,000$1.77M0.3%00.0%UnchangedHistory
WMTWalmart Inc.Stock11,000$1.73M0.3%00.0%UnchangedHistory
MTNVail Resorts IncCOM8,000$1.71M0.3%00.0%UnchangedHistory
BROBrown & Brown, Inc.Stock24,000$1.71M0.3%00.0%UnchangedHistory
FNFFidelity National Financial, Inc.COM SHS33,409$1.70M0.3%00.0%UnchangedHistory
PNCPNC Financial Services Group, Inc.Stock10,444$1.62M0.3%00.0%UnchangedHistory
TMOThermo Fisher Scientific Inc.Stock3,000$1.59M0.3%+1,000+50.0%AddedHistory
CTRACoterra Energy Inc.Stock60,043$1.53M0.3%00.0%UnchangedHistory
LBRDKLiberty Broadband CorpCOM SER C18,674$1.50M0.3%00.0%UnchangedHistory
CSGPCostar Group, Inc.COM17,060$1.49M0.3%+7,000+69.6%AddedHistory
FBKFB Financial CorpCOM37,387$1.49M0.3%00.0%UnchangedHistory
CPCanadian Pacific Kansas City LtdCOM18,746$1.48M0.3%00.0%UnchangedHistory
PANWPalo Alto Networks IncStock5,000$1.47M0.3%+1,000+25.0%AddedHistory
AJGArthur J. Gallagher & Co.COM6,500$1.46M0.3%+1,000+18.2%AddedHistory
MCBMetropolitan Bank Holding Corp.COM24,783$1.37M0.3%+2,283+10.1%AddedHistory
HLTHilton Worldwide Holdings Inc.COM7,133$1.30M0.2%00.0%UnchangedHistory
ZTSZoetis Inc.Stock5,976$1.18M0.2%00.0%UnchangedHistory
FOXFox CorpCL B COM41,266$1.14M0.2%+10.0%AddedHistory
ITGartner IncCOM2,500$1.13M0.2%00.0%UnchangedHistory
APOApollo Global Management, Inc.COM11,948$1.11M0.2%+10.0%AddedHistory
CMCSAComcast CorpStock25,000$1.10M0.2%00.0%UnchangedHistory
CRWDCrowdStrike Holdings, Inc.Stock4,250$1.09M0.2%00.0%UnchangedHistory
HONEHarborOne Bancorp, Inc.COM NEW90,101$1.08M0.2%00.0%UnchangedHistory
COPConocoPhillipsStock9,272$1.08M0.2%00.0%UnchangedHistory
OZKBank OZKCOM21,455$1.07M0.2%00.0%UnchangedHistory
State Street SPDR S&P Regional Banking ETF78464A698ETF20,000$1.05M0.2%+20,000New–
NTRNutrien Ltd.COM18,608$1.05M0.2%00.0%UnchangedHistory
PNFPPinnacle Financial Partners, Inc.COM12,000$1.05M0.2%00.0%UnchangedHistory
VVisa Inc.Stock4,000$1.04M0.2%00.0%UnchangedHistory
CSXCSX CorpStock30,000$1.04M0.2%00.0%UnchangedHistory
BXBlackstone Inc.COM7,700$1.01M0.2%00.0%UnchangedHistory
KDPKeurig Dr Pepper Inc.COM30,000$999.6K0.2%00.0%UnchangedHistory
LIILennox International IncCOM2,200$984.5K0.2%00.0%UnchangedHistory
WFCWells Fargo & CompanyStock20,000$984.4K0.2%00.0%UnchangedHistory
ARESAres Management CorpCL A COM STK8,000$951.4K0.2%00.0%UnchangedHistory
PFEPfizer IncStock31,962$920.2K0.2%+13,000+68.6%AddedHistory
FCNFti Consulting, IncCOM4,500$896.2K0.2%00.0%UnchangedHistory
HESHess CorpStock6,000$865.0K0.2%00.0%UnchangedHistory
URIUnited Rentals, Inc.COM1,500$860.1K0.2%00.0%UnchangedHistory
ACGLArch Capital Group Ltd.Stock11,500$854.1K0.2%+2,500+27.8%AddedHistory
TTTrane Technologies plcSHS3,500$853.6K0.2%00.0%UnchangedHistory
MCMoelis & CoCL A14,800$830.7K0.2%00.0%UnchangedHistory
LOWLowes Companies IncStock3,700$823.4K0.2%00.0%UnchangedHistory
BPOPPopular, Inc.COM NEW10,000$820.7K0.2%00.0%UnchangedHistory
YUMCYum China Holdings, Inc.COM19,000$806.2K0.2%00.0%UnchangedHistory
PXDPioneer Natural Resources CoCOM3,468$779.9K0.1%00.0%UnchangedHistory
CARRCarrier Global CorpStock13,000$746.9K0.1%+5,589+75.4%AddedHistory
ESGREnstar Group LTDSHS2,500$735.9K0.1%00.0%UnchangedHistory
HUNHuntsman CORPCOM29,146$732.4K0.1%00.0%UnchangedHistory
AONAon plcCL A2,500$727.5K0.1%00.0%UnchangedHistory
NSCNorfolk Southern CorpStock3,000$709.1K0.1%00.0%UnchangedHistory
FANGDiamondback Energy, Inc.Stock4,398$682.0K0.1%00.0%UnchangedHistory
AMNBAmerican National Bankshares Inc.COM13,811$673.3K0.1%00.0%UnchangedHistory
CVXChevron CorpStock4,372$652.1K0.1%00.0%UnchangedHistory
GEGeneral Electric CoStock5,000$638.1K0.1%00.0%UnchangedHistory
TFSLTFS Financial CORPCOM42,260$620.8K0.1%00.0%UnchangedHistory
MSMorgan StanleyStock6,608$616.2K0.1%00.0%UnchangedHistory
JEFJefferies Financial Group Inc.COM15,000$606.1K0.1%00.0%UnchangedHistory
KVUEKenvue Inc.Stock27,745$597.4K0.1%00.0%UnchangedHistory
RTXRTX CorpStock6,766$569.3K0.1%00.0%UnchangedHistory
MSCIMSCI Inc.Stock1,000$565.6K0.1%00.0%UnchangedHistory
CBRECbre Group, Inc.CL A6,000$558.5K0.1%00.0%UnchangedHistory
iShares Tr464287689RUSSELL 3000 ETF2,000$547.5K0.1%+2,000New–
BRK.ABerkshire Hathaway IncCL A1$542.6K0.1%00.0%UnchangedHistory
OLNOLIN CorpStock10,000$539.5K0.1%00.0%UnchangedHistory
ASMLASML Holding NVADR700$529.8K0.1%00.0%UnchangedHistory

Sold out since Q3 2023 (7)

Positions held at the end of Q3 2023 that are gone from this filing.

Positions of Harbor Advisors LLC sold out since Q3 2023
SecurityClassShares in Q3 2023Value in Q3 2023% of portfolio in Q3 2023History
ATVIActivision Blizzard, Inc.COM4,000$374.5K0.1%History
Chindata Group Hldgs Ltd16955F107ADS15,600$129.5K<0.1%–
PROFProfound Medical Corp.COM NEW12,400$126.5K<0.1%History
IHSIHS Holding LtdORD SHS10,000$55.5K<0.1%History
CMCTCreative Media & Community Trust CorpCOM NEW10,000$40.5K<0.1%History
INVZInnoviz Technologies Ltd.SHS20,000$39.0K<0.1%History
AGILWAgileThought, Inc.*W EXP 99/99/99920,000$198<0.1%History