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Harbor Advisors LLC

SEC CIK
0001687156
Latest filing
Jul 28, 2026

Holdings in Q2 2021

Holdings as of Jun 30, 2021, filed Aug 3, 2021. Long positions only; changes compare share counts with Q1 2021.

Institution overview
Positions
187
−12 vs. Q1 2021
Portfolio value
$505.6M
+$54.6M (+12.1%) vs. Q1 2021
Filed
Aug 3, 2021
SEC
Holdings of Harbor Advisors LLC in Q2 2021
SecurityClassSharesValue% of portfolioShare changeActionHistory
EQIXEquinix IncCOM261,711$210.0M41.5%00.0%UnchangedHistory
AMZNAmazon Com IncStock7,700$26.5M5.2%00.0%UnchangedHistory
AAPLApple Inc.Stock148,400$20.3M4.0%00.0%UnchangedHistory
CHTRCharter Communications, Inc.CL A27,656$20.0M3.9%00.0%UnchangedHistory
GOOGLAlphabet Inc.Stock7,570$18.5M3.7%+170+2.3%AddedHistory
DISWalt Disney CoStock56,138$9.87M2.0%00.0%UnchangedHistory
MAMastercard IncStock26,000$9.49M1.9%00.0%UnchangedHistory
CNQCanadian Natural Resources LtdCOM249,900$9.07M1.8%00.0%UnchangedHistory
FERGFerguson Enterprises Inc.SHS50,190$6.98M1.4%00.0%UnchangedHistory
MSFTMicrosoft CorpStock25,000$6.77M1.3%00.0%UnchangedHistory
DLRDigital Realty Trust, Inc.COM42,630$6.41M1.3%00.0%UnchangedHistory
NTBBank of N.T. Butterfield & Son LtdSHS NEW180,407$6.39M1.3%00.0%UnchangedHistory
SPGIS&P Global Inc.Stock11,000$4.51M0.9%00.0%UnchangedHistory
SOCSable Offshore Corp.COM CL A430,230$4.16M0.8%+430,230NewHistory
MUMicron Technology IncStock48,500$4.12M0.8%00.0%UnchangedHistory
OSGOctave Specialty Group IncCOM NEW261,382$4.09M0.8%00.0%UnchangedHistory
JPMJPMorgan Chase & CoStock24,148$3.76M0.7%00.0%UnchangedHistory
METAMeta Platforms, Inc.Stock10,800$3.75M0.7%00.0%UnchangedHistory
ADBEAdobe Inc.Stock6,000$3.51M0.7%00.0%UnchangedHistory
BLKBlackRock, Inc.COM3,924$3.43M0.7%00.0%UnchangedHistory
IBKRInteractive Brokers Group, Inc.Stock49,558$3.26M0.6%00.0%UnchangedHistory
NVDANVIDIA CorpStock4,000$3.20M0.6%00.0%UnchangedHistory
DHRDanaher CorpStock11,505$3.09M0.6%00.0%UnchangedHistory
TMUST-Mobile US, Inc.Stock20,650$2.99M0.6%00.0%UnchangedHistory
PJTPJT Partners Inc.COM CL A41,519$2.96M0.6%00.0%UnchangedHistory
MCOMoodys CorpStock8,000$2.90M0.6%00.0%UnchangedHistory
EFXEquifax IncCOM12,000$2.87M0.6%00.0%UnchangedHistory
CoreSite Realty Corp21870Q105COM20,000$2.69M0.5%00.0%Unchanged–
NUENucor CorpCOM27,992$2.69M0.5%00.0%UnchangedHistory
LBRDKLiberty Broadband CorpCOM SER C15,020$2.61M0.5%00.0%UnchangedHistory
MTNVail Resorts IncCOM8,000$2.53M0.5%00.0%UnchangedHistory
GOOGAlphabet Inc.Stock1,000$2.51M0.5%00.0%UnchangedHistory
AKAMAkamai Technologies IncCOM20,000$2.33M0.5%00.0%UnchangedHistory
EOGEOG Resources IncStock25,900$2.16M0.4%00.0%UnchangedHistory
EVREvercore Inc.CLASS A15,000$2.11M0.4%00.0%UnchangedHistory
HLIHoulihan Lokey, Inc.CL A25,000$2.04M0.4%00.0%UnchangedHistory
PNCPNC Financial Services Group, Inc.Stock10,444$1.99M0.4%00.0%UnchangedHistory
FTAIFTAI Aviation Ltd.COM REP LTD LIAB55,000$1.84M0.4%00.0%UnchangedHistory
KSUKansas City SouthernCOM NEW6,500$1.84M0.4%00.0%UnchangedHistory
HDHome Depot, Inc.Stock5,000$1.59M0.3%00.0%UnchangedHistory
MLMMartin Marietta Materials IncCOM4,500$1.58M0.3%00.0%UnchangedHistory
WMTWalmart Inc.Stock11,000$1.55M0.3%00.0%UnchangedHistory
HONEHarborOne Bancorp, Inc.COM NEW103,255$1.48M0.3%00.0%UnchangedHistory
FOXFox CorpCL B COM41,266$1.45M0.3%00.0%UnchangedHistory
FNFFidelity National Financial, Inc.COM SHS33,409$1.45M0.3%00.0%UnchangedHistory
CMCSAComcast CorpStock25,000$1.43M0.3%00.0%UnchangedHistory
FBKFB Financial CorpCOM37,387$1.40M0.3%00.0%UnchangedHistory
QTSQTS Realty Trust, Inc.COM CL A18,029$1.39M0.3%00.0%UnchangedHistory
BROBrown & Brown, Inc.Stock24,000$1.27M0.3%00.0%UnchangedHistory
YUMCYum China Holdings, Inc.COM19,000$1.26M0.2%00.0%UnchangedHistory
NBISNebius Group N.V.Stock17,500$1.24M0.2%00.0%UnchangedHistory
NTRNutrien Ltd.COM18,608$1.13M0.2%00.0%UnchangedHistory
ZTSZoetis Inc.Stock5,976$1.11M0.2%00.0%UnchangedHistory
OPTUOptimum Communications, Inc.CL A31,358$1.07M0.2%00.0%UnchangedHistory
PNFPPinnacle Financial Partners, Inc.COM12,000$1.06M0.2%00.0%UnchangedHistory
KDPKeurig Dr Pepper Inc.COM30,000$1.06M0.2%00.0%UnchangedHistory
TFSLTFS Financial CORPCOM50,000$1.01M0.2%00.0%UnchangedHistory
SWCHSwitch, Inc.CL A48,000$1.01M0.2%00.0%UnchangedHistory
CSXCSX CorpStock30,000$962.0K0.2%00.0%UnchangedConverted for a 3-for-1 splitHistory
JDJD.com, Inc.SPON ADS CL A12,000$958.0K0.2%00.0%UnchangedHistory
PENNPENN Entertainment, Inc.COM12,000$918.0K0.2%00.0%UnchangedHistory
WFCWells Fargo & CompanyStock20,000$906.0K0.2%00.0%UnchangedHistory
OZKBank OZKCOM21,455$905.0K0.2%00.0%UnchangedHistory
CONECyrusOne Holdco LLCCOM12,200$873.0K0.2%00.0%UnchangedHistory
HLTHilton Worldwide Holdings Inc.COM7,133$860.0K0.2%00.0%UnchangedHistory
MCMoelis & CoCL A14,800$842.0K0.2%00.0%UnchangedHistory
CTRACoterra Energy Inc.Stock48,000$838.0K0.2%00.0%UnchangedHistory
CSGPCostar Group, Inc.COM10,060$833.0K0.2%00.0%UnchangedConverted for a 10-for-1 splitHistory
SICPSilvergate Capital CorpCL A7,200$816.0K0.2%+1,800+33.3%AddedHistory
GTMZoomInfo Technologies Inc.Stock15,500$809.0K0.2%00.0%UnchangedHistory
NSCNorfolk Southern CorpStock3,000$796.0K0.2%00.0%UnchangedHistory
HUNHuntsman CORPCOM29,146$773.0K0.2%00.0%UnchangedHistory
LIILennox International IncCOM2,200$772.0K0.2%00.0%UnchangedHistory
CLRContinental Resources, IncCOM20,000$761.0K0.2%00.0%UnchangedHistory
BPOPPopular, Inc.COM NEW10,000$751.0K0.1%00.0%UnchangedHistory
PFEPfizer IncStock18,962$743.0K0.1%00.0%UnchangedHistory
FOXAFox CorpCL A COM19,766$734.0K0.1%00.0%UnchangedHistory
TVGrupo Televisa, S.A.B.SPON ADR REP ORD50,628$723.0K0.1%00.0%UnchangedHistory
UBERUber Technologies, IncStock14,000$702.0K0.1%00.0%UnchangedHistory
Athene Holding Ltd.G0684D107CL A10,399$702.0K0.1%00.0%Unchanged–
LBTYKLiberty Global Ltd.SHS CL C24,320$658.0K0.1%00.0%UnchangedHistory
DALDelta Air Lines, Inc.COM NEW14,602$632.0K0.1%00.0%UnchangedHistory
LBRDALiberty Broadband CorpCOM SER A3,669$617.0K0.1%00.0%UnchangedHistory
FCNFti Consulting, IncCOM4,500$615.0K0.1%00.0%UnchangedHistory
MSMorgan StanleyStock6,608$606.0K0.1%00.0%UnchangedHistory
ITGartner IncCOM2,500$606.0K0.1%00.0%UnchangedHistory
CAGConagra Brands Inc.Stock16,500$600.0K0.1%00.0%UnchangedHistory
ESGREnstar Group LTDSHS2,500$597.0K0.1%00.0%UnchangedHistory
AONAon plcCL A2,500$597.0K0.1%00.0%UnchangedHistory
LOWLowes Companies IncStock3,000$582.0K0.1%00.0%UnchangedHistory
COPConocoPhillipsStock9,272$565.0K0.1%00.0%UnchangedHistory
PXDPioneer Natural Resources CoCOM3,468$564.0K0.1%00.0%UnchangedHistory
GHLGreenhill & Co IncCOM35,000$545.0K0.1%00.0%UnchangedHistory
MSCIMSCI Inc.Stock1,000$533.0K0.1%00.0%UnchangedHistory
ZLABZai Lab LtdADR3,000$531.0K0.1%00.0%UnchangedHistory
HESHess CorpStock6,000$524.0K0.1%00.0%UnchangedHistory
CBRECbre Group, Inc.CL A6,000$514.0K0.1%00.0%UnchangedHistory
JEFJefferies Financial Group Inc.COM15,000$513.0K0.1%00.0%UnchangedHistory
URIUnited Rentals, Inc.COM1,500$479.0K0.1%00.0%UnchangedHistory
PPBIPacific Premier Bancorp IncCOM11,082$469.0K0.1%00.0%UnchangedHistory

Sold out since Q1 2021 (19)

Positions held at the end of Q1 2021 that are gone from this filing.

Positions of Harbor Advisors LLC sold out since Q1 2021
SecurityClassShares in Q1 2021Value in Q1 2021% of portfolio in Q1 2021History
Flame Acquisition Corp33850F207UNIT 99/99/9999500,000$4.96M1.1%–
Standard Avb Finl Corp85303B100COM17,284$564.0K0.1%–
DYDycom Industries IncCOM4,500$418.0K0.1%History
OMOutset Medical, Inc.COM7,600$413.0K0.1%History
AERAerCap Holdings N.V.SHS6,750$396.0K0.1%History
Perspecta Inc715347100COM13,100$381.0K0.1%–
Paramount Global92556H107CL A5,000$236.0K0.1%–
ATSGAir Transport Services Group, Inc.COM7,214$211.0K<0.1%History
ALKAlaska Air Group, Inc.COM3,000$208.0K<0.1%History
TFCTruist Financial CorpCOM3,500$204.0K<0.1%History
Foresight Acquisition Corp34552Y205UNIT 01/29/202620,000$198.0K<0.1%–
Apollo Strategic Growth CaptG0411R122UNIT 99/99/999918,500$191.0K<0.1%–
Tastemaker Acquisition Corp876545203UNIT 12/31/202515,000$150.0K<0.1%–
Churchill Capital Corp V17144T206UNIT 99/99/999910,000$102.0K<0.1%–
Northern Genesis Acquisition66516U200UNIT 99/99/999910,000$102.0K<0.1%–
Trepont Acquisition Corp IG9095M119UNIT 99/99/999910,000$102.0K<0.1%–
Apollo Strategic Growth CaptG0411R106SHS CL A10,000$99.0K<0.1%–
Nextgen Acquisition Corp IIG65317110UNIT 03/23/202610,000$99.0K<0.1%–
DMKDMK Pharmaceuticals CorpCOM NEW10,000$9.00K<0.1%History