Harbor Advisors LLC

Institutional InvestorSimilar funds →SEC EDGAR: CIK 1687156
Institutional-grade research for retail investors

13F Reported Value

$692.2M

Holdings

197

Latest Filing

2026-03-31

Filing Quarter

Q1 2026

Portfolio Overview

Harbor Advisors LLC disclosed 197 positions worth $692.2M in its Form 13F-HR for Q1 2026, led by $EQIX (EQUINIX INC) at 33.9% of the equity portfolio, followed by $GOOG and $AAPL. During the quarter the fund opened 9 new positions and exited 5 — including a new stake in $PNFP and a full exit from $LNTH. The portfolio is most concentrated in Real Estate (34.9% of disclosed assets). All figures are sourced directly from Harbor Advisors LLC’s Form 13F-HR filing with the SEC under CIK 1687156.

Sector Allocation

Real EstateTechnologyFinancialsConsumer DiscretionaryEnergyIndustrials

AUM History

Top Equity Holdings by Value

Quarterly Activity — Q1 2026

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Top Holdings

AI Quality Scored

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32-signal composite ranking on each of Harbor Advisors LLC's 197 positions.

Showing top 10 of 197 holdings.

Sector Allocation

Real Estate

$241.4M

Technology

$180.8M

Financials

$114.8M

Consumer Discretionary

$53.7M

Energy

$38.5M

Industrials

$29.6M

Communication Services

$13.0M

Materials

$9.6M

Full Holdings — Harbor Advisors LLC (Q1 2026)

All 197 disclosed positions from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.

#TickerCompanyValueWeightQoQQuality
1EQIX$EQIXEQUINIX INC$234.5M33.9%-5%61.4
2GOOG$GOOGAlphabet Inc.$41.9M6.0%-6%80.2
3AAPL$AAPLApple Inc.$37.7M5.4%+0%76.1
4AMZN$AMZNAMAZON COM INC$31.9M4.6%+0%74.6
5NVDA$NVDANVIDIA CORP$31.4M4.5%+0%90.2
6CNQ$CNQCANADIAN NATURAL RESOURCES Ltd$24.4M3.5%+0%
7MU$MUMICRON TECHNOLOGY INC$17.2M2.5%+5%88.4
8FTAI$FTAIFTAI Aviation Ltd.$14.0M2.0%+0%
9MA$MAMastercard Inc$13.0M1.9%+0%81.7
10IBKR$IBKRInteractive Brokers Group, Inc.$12.5M1.8%+0%75.5
11MSFT$MSFTMICROSOFT CORP$9.8M1.4%+2%83.7
12FERG$FERGFerguson Enterprises Inc. /DE/$9.6M1.4%+0%58.9
13META$METAMeta Platforms, Inc.$7.9M1.1%+0%80.9
14NTB$NTBBank of N.T. Butterfield & Son Ltd$7.6M1.1%-7%
15JPM$JPMJPMORGAN CHASE & CO$7.1M1.0%+0%35.6
16SPGI$SPGIS&P Global Inc.$5.8M0.8%+0%79.4
17PJT$PJTPJT Partners Inc.$5.8M0.8%+0%73.7
18GOOGL$GOOGLAlphabet Inc.$5.7M0.8%+0%80.2
19NUE$NUENUCOR CORP$4.7M0.7%+0%58.9
20DLR$DLRDIGITAL REALTY TRUST, INC.$4.6M0.7%+0%70.2
21EVR$EVREvercore Inc.$4.5M0.7%+0%76.1
22TMUS$TMUST-Mobile US, Inc.$4.3M0.6%+0%72.7
23WMT$WMTWalmart Inc.$4.1M0.6%+0%63.2
24BLK$BLKBlackRock, Inc.$3.8M0.6%+0%70.3
25EOG$EOGEOG RESOURCES INC$3.7M0.5%+0%71.1
26HLI$HLIHOULIHAN LOKEY, INC.$3.6M0.5%+0%67.3
27MCO$MCOMOODYS CORP /DE/$3.5M0.5%+0%81.3
28NBIS$NBISNebius Group N.V.$2.9M0.4%+0%
29MLM$MLMMARTIN MARIETTA MATERIALS INC$2.6M0.4%+0%67.6
30MCB$MCBMetropolitan Bank Holding Corp.$2.6M0.4%+0%50.7
31CVX$CVXCHEVRON CORP$2.6M0.4%+0%54.7
32CRWD$CRWDCrowdStrike Holdings, Inc.$2.4M0.3%+0%55
33DHR$DHRDANAHER CORP /DE/$2.4M0.3%+0%63.9
34AKAM$AKAMAKAMAI TECHNOLOGIES INC$2.3M0.3%+0%62
35FOX$FOXFox Corp$2.2M0.3%+0%65.1
36PNC$PNCPNC FINANCIAL SERVICES GROUP, INC.$2.2M0.3%+0%70.9
37HLT$HLTHilton Worldwide Holdings Inc.$2.2M0.3%+0%73.1
38EFX$EFXEQUIFAX INC$2.2M0.3%+0%69.4
39FBK$FBKFB Financial Corp$2.1M0.3%+0%
40CTRA$CTRACoterra Energy Inc.$2.1M0.3%+0%80.6
41GE$GEGENERAL ELECTRIC CO$2.0M0.3%+0%74.8
42GDS$GDSGDS Holdings Ltd$1.9M0.3%+138%
43CHTR$CHTRCHARTER COMMUNICATIONS, INC. /MO/$1.9M0.3%-45%57.7
44AJG$AJGArthur J. Gallagher & Co.$1.8M0.3%+0%72.1
45HD$HDHOME DEPOT, INC.$1.8M0.3%+0%69.2
46APO$APOApollo Global Management, Inc.$1.8M0.3%+0%55.7
47BPOP$BPOPPOPULAR, INC.$1.7M0.3%+0%
48EG$EGEVEREST GROUP, LTD.$1.6M0.2%+0%
49PLTR$PLTRPalantir Technologies Inc.$1.6M0.2%+0%85.8
50PANW$PANWPalo Alto Networks Inc$1.6M0.2%-20%66.5
51CUBB$CUBBCustomers Bancorp, Inc.$1.6M0.2%+0%
52WFC$WFCWELLS FARGO & COMPANY/MN$1.6M0.2%+0%
53ARES$ARESAres Management Corp$1.6M0.2%+0%70.8
54BX$BXBlackstone Inc.$1.6M0.2%+0%68
55BRO$BROBROWN & BROWN, INC.$1.6M0.2%+0%75.1
56FNF$FNFFidelity National Financial, Inc.$1.5M0.2%+0%69.7
57TMO$TMOTHERMO FISHER SCIENTIFIC INC.$1.5M0.2%+0%63.7
58CP$CPCANADIAN PACIFIC KANSAS CITY LTD/CN$1.5M0.2%+0%
59TT$TTTrane Technologies plc$1.5M0.2%+0%
60ADBE$ADBEADOBE INC.$1.5M0.2%+0%80.4
61XOM$XOMEXXON MOBIL CORP$1.4M0.2%+0%61.8
62RTX$RTXRTX Corp$1.3M0.2%+0%70
63VRT$VRTVertiv Holdings Co$1.3M0.2%+0%82.7
64CSX$CSXCSX CORP$1.2M0.2%+0%66.4
65COP$COPCONOCOPHILLIPS$1.2M0.2%+0%74.8
66V$VVISA INC.$1.2M0.2%+0%83.5
67LLY$LLYELI LILLY & Co$1.2M0.2%+44%89.3
68ECHO$ECHOEchoStar CORP$1.2M0.2%+0%29.5
69BABA$BABAAlibaba Group Holding Ltd$1.1M0.2%+29%
70ACGL$ACGLARCH CAPITAL GROUP LTD.$1.1M0.2%+0%
71URI$URIUNITED RENTALS, INC.$1.1M0.2%+0%70.7
72GEV$GEVGE Vernova Inc.$1.1M0.2%+0%70.1
73MS$MSMORGAN STANLEY$1.1M0.2%+0%
74AVGO$AVGOBroadcom Inc.$1.1M0.2%+0%86.4
75CSGP$CSGPCOSTAR GROUP, INC.$1.1M0.1%+0%49.5
76WAL$WALWESTERN ALLIANCE BANCORPORATION$1.1M0.1%+7%56.1
77PNFP$PNFPPinnacle Financial Partners, Inc.$1.0M0.1%NEW
78LII$LIILENNOX INTERNATIONAL INC$1.0M0.1%+0%64.8
79OZK$OZKBank OZK$984,5700.1%+0%
80FCNCA$FCNCAFIRST CITIZENS BANCSHARES INC /DE/$964,9460.1%+0%54.8
81LBRDA$LBRDALiberty Broadband Corp$939,3020.1%+0%59.4
82YUMC$YUMCYum China Holdings, Inc.$926,8200.1%+0%65.2
83ASML$ASMLASML HOLDING NV$924,5810.1%+0%
84OSG$OSGOCTAVE SPECIALTY GROUP INC$913,1760.1%+0%39
85PFE$PFEPFIZER INC$897,4930.1%+0%69
86LOW$LOWLOWES COMPANIES INC$874,2360.1%+0%63.5
87FANG$FANGDiamondback Energy, Inc.$869,8800.1%+0%81.4
88MCK$MCKMCKESSON CORP$865,3600.1%+0%63.7
89NSC$NSCNORFOLK SOUTHERN CORP$861,0000.1%+0%70.8
90MC$MCMoelis & Co$843,6000.1%+0%
91SNOW$SNOWSnowflake Inc.$829,5100.1%+10%49.6
92AMD$AMDADVANCED MICRO DEVICES INC$813,7200.1%+0%78.8
93CBRE$CBRECBRE GROUP, INC.$812,7600.1%+0%62.9
94AON$AONAon plc$806,9500.1%+0%
95FCN$FCNFTI CONSULTING, INC$795,4650.1%+0%55.2
96KDP$KDPKeurig Dr Pepper Inc.$789,9000.1%+0%63.1
97ISHARES TR$741,3600.1%+0%
98CARR$CARRCARRIER GLOBAL Corp$732,0300.1%+0%61.5
99WMB$WMBWILLIAMS COMPANIES, INC.$727,8000.1%+0%72.8
100BRK.A$BRK.ABERKSHIRE HATHAWAY INC$718,1400.1%+0%64.5
101ZTS$ZTSZoetis Inc.$706,4230.1%+0%72.6
102AMG$AMGAFFILIATED MANAGERS GROUP, INC.$691,7500.1%+0%60.3
103AIG$AIGAMERICAN INTERNATIONAL GROUP, INC.$677,2500.1%+29%59.5
104AUB$AUBAtlantic Union Bankshares Corp$666,3370.1%+0%
105SARO$SAROStandardAero, Inc.$648,9790.1%+0%67.4
106PSX$PSXPhillips 66$645,0990.1%+0%47.6
107MTN$MTNVAIL RESORTS INC$641,6000.1%+0%65
108SLG$SLGSL GREEN REALTY CORP$627,9800.1%+0%41.5
109JEF$JEFJefferies Financial Group Inc.$619,0500.1%+0%65.6
110AXP$AXPAMERICAN EXPRESS CO$604,9600.1%+0%73.2
111TFSL$TFSLTFS Financial CORP$593,7530.1%+0%
112AII$AIIAmerican Integrity Insurance Group, Inc.$591,7420.1%-7%77.3
113H$HHyatt Hotels Corp$575,1600.1%+0%46.6
114FER$FERFerrovial N.V.$574,4960.1%+0%
115AEM$AEMAGNICO EAGLE MINES LTD$568,3440.1%+0%
116C$CCITIGROUP INC$567,0500.1%+0%54.8
117RNST$RNSTRENASANT CORP$566,1930.1%+0%
118MSCI$MSCIMSCI Inc.$539,0100.1%+0%77.6
119HAFC$HAFCHANMI FINANCIAL CORP$527,2000.1%+33%59.8
120UBER$UBERUber Technologies, Inc$524,9450.1%+0%79.3
121DVN$DVNDEVON ENERGY CORP/DE$519,8060.1%+0%70.2
122ORCL$ORCLORACLE CORP$500,1740.1%+42%67.2
123FHN$FHNFIRST HORIZON CORP$494,6200.1%+0%43.8
124FNV$FNVFRANCO NEVADA Corp$494,1000.1%+0%
125NFLX$NFLXNETFLIX INC$480,7500.1%+0%86.7
126PCB$PCBPCB BANCORP$449,8000.1%+0%57.2
127KNSL$KNSLKinsale Capital Group, Inc.$444,1580.1%+0%79.6
128UNH$UNHUNITEDHEALTH GROUP INC$432,9440.1%+0%66.8
129GS$GSGOLDMAN SACHS GROUP INC$422,9950.1%+0%
130JD$JDJD.com, Inc.$413,9800.1%+0%
131VOYA$VOYAVoya Financial, Inc.$409,9200.1%+0%62.4
132SBCF$SBCFSEACOAST BANKING CORP OF FLORIDA$402,0090.1%+0%
133IT$ITGARTNER INC$395,8500.1%+0%65.2
134CNC$CNCCENTENE CORP$392,8800.1%+0%52.7
135HUN$HUNHuntsman CORP$387,9330.1%+0%40
136CIFR$CIFRCipher Digital Inc.$386,1000.1%+200%30.1
137FDX$FDXFEDEX CORP$381,4690.1%+0%60.3
138VRSN$VRSNVERISIGN INC/CA$372,5400.1%+0%71.6
139VLTO$VLTOVeralto Corp$368,4460.1%+0%74.4
140OWL$OWLBLUE OWL CAPITAL INC.$365,2000.1%+0%59.4
141FG$FGF&G Annuities & Life, Inc.$361,4430.1%+0%61.9
142CBNK$CBNKCapital Bancorp Inc$342,5160.1%+0%
143VKTX$VKTXViking Therapeutics, Inc.$341,6700.1%+0%
144WLFC$WLFCWILLIS LEASE FINANCE CORP$340,5200.1%NEW70.2
145TSM$TSMTAIWAN SEMICONDUCTOR MANUFACTURING CO LTD$337,9500.1%+0%
146RMD$RMDRESMED INC$336,7200.1%+0%79.8
147MAR$MARMARRIOTT INTERNATIONAL INC /MD/$327,0700.1%+0%65.9
148VG$VGVenture Global, Inc.$315,2000.1%-50%69
149PXED$PXEDPhoenix Education Partners, Inc.$314,6000.1%+0%68.5
150CRWV$CRWVCoreWeave, Inc.$309,8800.0%+0%46.5
151DAL$DALDELTA AIR LINES, INC.$305,9410.0%+0%64.4
152LYV$LYVLive Nation Entertainment, Inc.$305,0200.0%+0%55
153JLL$JLLJONES LANG LASALLE INC$304,3200.0%+0%59.8
154HTB$HTBHomeTrust Bancshares, Inc.$298,3370.0%+0%
155OLN$OLNOLIN Corp$297,3000.0%+0%42.9
156CME$CMECME GROUP INC.$295,3500.0%+0%74.5
157NXPI$NXPINXP Semiconductors N.V.$295,2900.0%+0%
158FCX$FCXFREEPORT-MCMORAN INC$293,9000.0%+0%73.1
159KVUE$KVUEKenvue Inc.$292,2350.0%+0%60.2
160LBTYA$LBTYALiberty Global Ltd.$285,2740.0%+0%
161CRM$CRMSalesforce, Inc.$280,0050.0%+0%75.2
162GILD$GILDGILEAD SCIENCES, INC.$278,7400.0%+0%77.8
163FOXA$FOXAFox Corp$278,3340.0%+0%65.1
164VSNT$VSNTVersant Media Group, Inc.$277,6500.0%NEW
165FIP$FIPFTAI Infrastructure Inc.$271,7000.0%+0%36.4
166BE$BEBloom Energy Corp$270,9800.0%-33%54.4
167IMKTA$IMKTAINGLES MARKETS INC$269,6700.0%+0%50.6
168ISHARES INC$268,7300.0%+0%
169MDGL$MDGLMADRIGAL PHARMACEUTICALS, INC.$261,7350.0%NEW25.4
170ONB$ONBOLD NATIONAL BANCORP /IN/$255,2550.0%+0%
171GDDY$GDDYGoDaddy Inc.$248,0100.0%+0%72.4
172DELL$DELLDell Technologies Inc.$246,1950.0%NEW76
173HCA$HCAHCA Healthcare, Inc.$236,6200.0%+0%70.5
174JAN$JANJanus Living, Inc.$235,7000.0%NEW
175ALRS$ALRSALERUS FINANCIAL CORP$233,9470.0%+0%
176TDG$TDGTransDigm Group INC$231,7920.0%+0%75.4
177ISRG$ISRGINTUITIVE SURGICAL INC$230,4950.0%+0%81.4
178KGC$KGCKINROSS GOLD CORP$225,8480.0%+0%
179HYNE$HYNEHoyne Bancorp, Inc.$217,1250.0%+0%
180HIW$HIWHIGHWOODS PROPERTIES, INC.$214,1000.0%+0%59.5
181SW$SWSmurfit Westrock plc$211,8030.0%+0%
182NBBK$NBBKNB Bancorp, Inc.$210,7000.0%+0%
183DOW$DOWDOW INC.$208,2500.0%NEW38
184HSY$HSYHERSHEY CO$207,8900.0%NEW59.4
185B$BBARRICK MINING CORP$203,9500.0%+0%
186KURA$KURAKura Oncology, Inc.$162,6000.0%NEW9.1
187TH$THTarget Hospitality Corp.$139,2000.0%+0%29.5
188HTZ$HTZHERTZ GLOBAL HOLDINGS, INC$122,0130.0%+0%39
189LBTYA$LBTYALiberty Global Ltd.$121,4320.0%+0%
190COLD$COLDAMERICOLD REALTY TRUST$114,6000.0%+0%37.1
191SMR$SMRNUSCALE POWER Corp$108,4000.0%-20%26.6
192MLCO$MLCOMelco Resorts & Entertainment LTD$99,4000.0%+0%
193BGC$BGCBGC Group, Inc.$97,8000.0%+0%69.9
194BRBS$BRBSBLUE RIDGE BANKSHARES, INC.$88,5400.0%+0%
195TV$TVGRUPO TELEVISA, S.A.B.$71,6670.0%+0%
196ANNX$ANNXAnnexon, Inc.$55,4000.0%+0%
197BHC$BHCBausch Health Companies Inc.$54,0000.0%+0%46.8

New Positions (9)

PNFP$PNFP Pinnacle Financial Partners, Inc.$1.0M
WLFC$WLFC WILLIS LEASE FINANCE CORP$340,520
VSNT$VSNT Versant Media Group, Inc.$277,650
MDGL$MDGL MADRIGAL PHARMACEUTICALS, INC.$261,735
DELL$DELL Dell Technologies Inc.$246,195
JAN$JAN Janus Living, Inc.$235,700
DOW$DOW DOW INC.$208,250
HSY$HSY HERSHEY CO$207,890
KURA$KURA Kura Oncology, Inc.$162,600

Exited Positions (5)

LNTH$LNTH Lantheus Holdings, Inc.
KKR$KKR KKR & Co. Inc.
OXY$OXY OCCIDENTAL PETROLEUM CORP /DE/
GCI LIBERTY INC
HHH$HHH Howard Hughes Holdings Inc.

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