Harbor Advisors LLC

CIK 0001687156 • 6 13F filings • May 15, 2025 – Jul 28, 2026

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Filer information

Filed by: Harbor Advisors LLC, MANAGER
Address: 1400 Centrepark Blvd, Suite 950, West Palm Beach, FL, 33401
Phone: 5614592946
AUM: $665.8M

AUM over time

$795.1M latest

Sector allocation over time

Past 5 quarters

Q4 2025

Q3 2025

Q2 2026

Q2 2025

Q1 2026

TechnologyHealthcareConsumer DiscretionaryConsumer StaplesFinancialsCommunicationIndustrialsEnergyReal EstateOther

Holdings by filing

Portfolio value: $665.8M193 positionsView on SEC.gov

			% of Portfolio
ADOBE INC	COM	$2.1M	0.3%Prev: 0.3%	6,000 SH	Decreased
ADVANCED MICRO DEVICES INC	COM	$857K	0.1%Prev: 0.1%	4,000 SH	Increased
AFFILIATED MANAGERS GROUP	COM	$721K	0.1%	2,500 SH	New
AGNICO EAGLE MINES LTD	COM	$475K	0.1%Prev: 0.1%	2,800 SH	Increased
AKAMAI TECHNOLOGIES INC	COM	$1.7M	0.3%Prev: 0.2%	20,000 SH	Increased
ALERUS FINL CORP	COM	$222K	0.0%Prev: 0.0%	9,867 SH	Increased
ALIBABA GROUP HLDG LTD	SPONSORED ADS	$1.0M	0.2%Prev: 0.2%	7,000 SH	Increased+1,500 SH
ALPHABET INC	CAP STK CL A	$48.7M	7.3%Prev: 5.8%	155,600 SH	Increased
ALPHABET INC	CAP STK CL C	$6.3M	0.9%Prev: 0.8%	20,000 SH	Increased
AMAZON COM INC	COM	$35.4M	5.3%Prev: 5.2%	153,200 SH	Increased-1,500 SH
AMERICAN EXPRESS CO	COM	$740K	0.1%Prev: 0.1%	2,000 SH	Increased
AMERICAN INTEGRITY INS	COM	$687K	0.1%	33,000 SH	New
AMERICAN INTL GROUP INC	COM NEW	$599K	0.1%Prev: 0.1%	7,000 SH	Increased
AMERICOLD REALTY TRUST INC	COM	$129K	0.0%	10,000 SH	New
ANNEXON INC	COM	$50K	0.0%Prev: 0.0%	10,000 SH	Increased
AON PLC	SHS CL A	$882K	0.1%Prev: 0.1%	2,500 SH	Decreased
APOLLO GLOBAL MGMT INC	COM	$2.3M	0.3%Prev: 0.3%	15,947 SH	Increased
APPLE INC	COM	$40.3M	6.1%Prev: 5.8%	148,400 SH	Increased
ARCH CAP GROUP LTD	ORD	$1.1M	0.2%Prev: 0.2%	11,500 SH	Increased
ARES MANAGEMENT CORPORATION	CL A COM STK	$2.3M	0.4%Prev: 0.4%	14,500 SH	Increased
ASML HOLDING N V	N Y REGISTRY SHS	$749K	0.1%Prev: 0.1%	700 SH	Increased
ATLANTIC UN BANKSHARES CORP	COM	$658K	0.1%Prev: 0.1%	18,644 SH	Increased
BANK OF NT BUTTERFIELD&SON	SHS NEW	$7.7M	1.2%	155,408 SH	New
BANK OZK LITTLE ROCK ARK	COM	$987K	0.1%Prev: 0.2%	21,455 SH	Decreased
BARRICK MNG CORP	COM SHS	$218K	0.0%	5,000 SH	New
BAUSCH HEALTH COS INC	COM	$70K	0.0%Prev: 0.0%	10,000 SH	Increased
BERKSHIRE HATHAWAY INC DEL	CL A	$755K	0.1%Prev: 0.1%	1 SH	Increased
BGC GROUP INC	CL A	$89K	0.0%Prev: 0.0%	10,000 SH	Decreased
BLACKROCK INC	COM	$4.2M	0.6%Prev: 0.7%	3,924 SH	Decreased
BLACKSTONE INC	COM	$2.1M	0.3%Prev: 0.4%	13,700 SH	Decreased
BLOOM ENERGY CORP	COM CL A	$261K	0.0%	3,000 SH	New
BLUE OWL CAPITAL INC	COM CL A	$598K	0.1%Prev: 0.1%	40,000 SH	Decreased
BLUE RIDGE BANKSHARES INC	COM	$90K	0.0%	21,081 SH	New
BROADCOM INC	COM	$1.2M	0.2%Prev: 0.2%	3,500 SH	Increased
BROWN & BROWN INC	COM	$1.9M	0.3%Prev: 0.3%	24,000 SH	Decreased
CANADIAN NAT RES LTD	COM	$16.9M	2.5%Prev: 2.5%	499,800 SH	Increased
CANADIAN PACIFIC KANSAS	COM	$1.4M	0.2%	18,746 SH	New
CAPITAL BANCORP INC MD	COM	$324K	0.0%Prev: 0.1%	11,517 SH	Decreased
CARRIER GLOBAL CORPORATION	COM	$687K	0.1%Prev: 0.1%	13,000 SH	Decreased
CBRE GROUP INC	CL A	$965K	0.1%Prev: 0.1%	6,000 SH	Increased
CENTENE CORP DEL	COM	$494K	0.1%Prev: 0.1%	12,000 SH	Increased
CHARTER COMMUNICATIONS INC	CL A	$3.3M	0.5%	15,942 SH	New
CHEVRON CORP NEW	COM	$1.9M	0.3%Prev: 0.3%	12,572 SH	Decreased
CIPHER MINING INC	COM	$148K	0.0%	10,000 SH	New
CITIGROUP INC	COM NEW	$583K	0.1%Prev: 0.1%	5,000 SH	Increased
CME GROUP INC	COM	$273K	0.0%Prev: 0.0%	1,000 SH	Increased
CONOCOPHILLIPS	COM	$868K	0.1%Prev: 0.1%	9,272 SH	Decreased
COREWEAVE INC	COM CL A	$286K	0.0%	4,000 SH	New
COSTAR GROUP INC	COM	$1.8M	0.3%Prev: 0.3%	26,560 SH	Decreased+4,000 SH
COTERRA ENERGY INC	COM	$1.6M	0.2%Prev: 0.2%	60,043 SH	Increased
CROWDSTRIKE HLDGS INC	CL A	$2.9M	0.4%Prev: 0.5%	6,250 SH	Decreased
CSX CORP	COM	$1.1M	0.2%Prev: 0.2%	30,000 SH	Increased
CUSTOMERS BANCORP INC	COM	$1.7M	0.3%Prev: 0.3%	23,000 SH	Decreased-6,000 SH
DANAHER CORPORATION	COM	$2.9M	0.4%Prev: 0.4%	12,505 SH	Increased
DELTA AIR LINES INC DEL	COM NEW	$319K	0.0%Prev: 0.0%	4,602 SH	Increased
DEVON ENERGY CORP NEW	COM	$378K	0.1%Prev: 0.1%	10,330 SH	Increased
DIAMONDBACK ENERGY INC	COM	$661K	0.1%Prev: 0.1%	4,398 SH	Increased
DIGITAL RLTY TR INC	COM	$4.0M	0.6%Prev: 0.7%	25,552 SH	Decreased
ECHOSTAR CORP	CL A	$1.1M	0.2%Prev: 0.1%	10,000 SH	Increased
ELI LILLY & CO	COM	$967K	0.1%Prev: 0.1%	900 SH	Increased
EOG RES INC	COM	$2.7M	0.4%Prev: 0.4%	25,900 SH	Decreased
EQUIFAX INC	COM	$2.6M	0.4%Prev: 0.5%	12,000 SH	Decreased
EQUINIX INC	COM	$193.7M	29.1%Prev: 30.5%	252,790 SH	Decreased
EVERCORE INC	CLASS A	$5.1M	0.8%Prev: 0.8%	15,000 SH	Increased
EVEREST GROUP LTD	COM	$1.7M	0.3%Prev: 0.3%	5,000 SH	Decreased
EXXON MOBIL CORP	COM	$970K	0.1%Prev: 0.1%	8,057 SH	Increased
F&G ANNUITIES & LIFE INC	COMMON STOCK	$440K	0.1%Prev: 0.1%	14,275 SH	Increased+2,004 SH
FB FINL CORP	COM	$2.3M	0.3%Prev: 0.4%	40,799 SH	Increased
FEDEX CORP	COM	$309K	0.0%Prev: 0.0%	1,071 SH	Increased
FERGUSON ENTERPRISES INC	COMMON STOCK NEW	$9.2M	1.4%Prev: 1.4%	41,255 SH	Decreased
FERROVIAL SE	ORD SHS	$583K	0.1%Prev: 0.1%	8,973 SH	Increased
FIDELITY NATIONAL FINANCIAL	COM SHS	$1.8M	0.3%Prev: 0.3%	33,409 SH	Decreased
FIRST CTZNS BANCSHARES INC	CL A	$1.1M	0.2%	512 SH	New
FIRST HORIZON CORPORATION	COM	$519K	0.1%Prev: 0.1%	21,732 SH	Increased
FOX CORP	CL A COM	$348K	0.1%Prev: 0.0%	4,766 SH	Increased
FOX CORP	CL B COM	$2.7M	0.4%Prev: 0.4%	41,265 SH	Increased
FRANCO NEV CORP	COM	$415K	0.1%Prev: 0.1%	2,000 SH	Decreased
FREEPORT-MCMORAN INC	CL B	$254K	0.0%	5,000 SH	New
FTAI AVIATION LTD	SHS	$11.2M	1.7%Prev: 1.5%	57,000 SH	Increased
FTAI INFRASTRUCTURE INC	COMMON STOCK	$254K	0.0%Prev: 0.0%	55,000 SH	Increased
FTI CONSULTING INC	COM	$769K	0.1%Prev: 0.1%	4,500 SH	Increased
GALLAGHER ARTHUR J & CO	COM	$2.2M	0.3%Prev: 0.4%	8,375 SH	Decreased
GARTNER INC	COM	$631K	0.1%Prev: 0.1%	2,500 SH	Decreased
GCI LIBERTY INC	COM SER C	$231K	0.0%	6,220 SH	New
GDS HLDGS LTD	SPONSORED ADS	$698K	0.1%Prev: 0.1%	20,000 SH	Increased+5,000 SH
GE AEROSPACE	COM NEW	$2.2M	0.3%Prev: 0.3%	7,000 SH	Increased
GE VERNOVA INC	COM	$817K	0.1%Prev: 0.1%	1,250 SH	Increased
GILEAD SCIENCES INC	COM	$245K	0.0%Prev: 0.0%	2,000 SH	Increased
GODADDY INC	CL A	$372K	0.1%Prev: 0.1%	3,000 SH	Decreased
GOLDMAN SACHS GROUP INC	COM	$440K	0.1%Prev: 0.1%	500 SH	Increased
GRUPO TELEVISA S A B	SPON ADR REP ORD	$72K	0.0%Prev: 0.0%	24,628 SH	Increased
HANMI FINL CORP	COM NEW	$405K	0.1%Prev: 0.1%	15,000 SH	Decreased-2,500 SH
HCA HEALTHCARE INC	COM	$233K	0.0%Prev: 0.0%	500 SH	Increased
HERTZ GLOBAL HLDGS INC	COM NEW	$136K	0.0%Prev: 0.0%	26,467 SH	Decreased
HIGHWOODS PPTYS INC	COM	$258K	0.0%Prev: 0.0%	10,000 SH	Decreased
HILTON WORLDWIDE HLDGS INC	COM	$2.0M	0.3%Prev: 0.3%	7,133 SH	Increased
HOME DEPOT INC	COM	$1.9M	0.3%Prev: 0.3%	5,500 SH	Decreased
HOMETRUST BANCSHARES INC	COM	$300K	0.0%Prev: 0.0%	6,995 SH	Increased
HOULIHAN LOKEY INC	CL A	$4.4M	0.7%Prev: 0.8%	25,000 SH	Decreased
HOWARD HUGHES HOLDINGS INC	COM	$208K	0.0%Prev: 0.0%	2,613 SH	Decreased
HOYNE BANCORP INC	COM	$217K	0.0%	15,000 SH	New
HUNTSMAN CORP	COM	$291K	0.0%Prev: 0.0%	29,146 SH	Increased
HYATT HOTELS CORP	COM CL A	$641K	0.1%Prev: 0.1%	4,000 SH	Increased
INGLES MKTS INC	CL A	$206K	0.0%Prev: 0.0%	3,000 SH	Decreased
INTERACTIVE BROKERS GROUP	COM CL A	$12.0M	1.8%	186,832 SH	New
INTUITIVE SURGICAL INC	COM NEW	$283K	0.0%Prev: 0.0%	500 SH	Increased
ISHARES INC	MSCI BRAZIL ETF	$222K	0.0%Prev: 0.0%	7,000 SH	Increased
ISHARES TR	RUSSELL 3000 ETF	$774K	0.1%Prev: 0.1%	2,000 SH	Increased
JD.COM INC	SPON ADS CL A	$402K	0.1%Prev: 0.1%	14,000 SH	Decreased
JEFFERIES FINL GROUP INC	COM	$930K	0.1%Prev: 0.2%	15,000 SH	Decreased
JONES LANG LASALLE INC	COM	$336K	0.1%Prev: 0.0%	1,000 SH	Increased
JPMORGAN CHASE & CO.	COM	$7.8M	1.2%Prev: 1.2%	24,148 SH	Increased
KENVUE INC	COM	$292K	0.0%Prev: 0.0%	16,951 SH	Increased
KEURIG DR PEPPER INC	COM	$840K	0.1%Prev: 0.1%	30,000 SH	Increased
KINROSS GOLD CORP	COM	$208K	0.0%	7,400 SH	New
KINSALE CAP GROUP INC	COM	$508K	0.1%Prev: 0.1%	1,300 SH	Decreased
KKR & CO INC	COM	$255K	0.0%Prev: 0.0%	2,000 SH	Decreased
LANTHEUS HLDGS INC	COM	$266K	0.0%Prev: 0.0%	4,000 SH	Increased
LENNOX INTL INC	COM	$1.1M	0.2%Prev: 0.2%	2,200 SH	Decreased
LIBERTY BROADBAND CORP	COM SER C	$908K	0.1%Prev: 0.2%	18,674 SH	Decreased
LIBERTY GLOBAL LTD	COM CL A	$112K	0.0%Prev: 0.0%	10,044 SH	Decreased
LIBERTY GLOBAL LTD	COM CL C	$268K	0.0%Prev: 0.0%	24,320 SH	Decreased
LIVE NATION ENTERTAINMENT	COM	$285K	0.0%	2,000 SH	New
LOWES COS INC	COM	$892K	0.1%Prev: 0.1%	3,700 SH	Decreased
MARRIOTT INTL INC NEW	CL A	$310K	0.0%Prev: 0.0%	1,000 SH	Increased
MARTIN MARIETTA MATLS INC	COM	$2.8M	0.4%Prev: 0.4%	4,500 SH	Decreased
MASTERCARD INCORPORATED	CL A	$14.8M	2.2%Prev: 2.3%	26,000 SH	Increased
MCKESSON CORP	COM	$820K	0.1%Prev: 0.1%	1,000 SH	Increased
MELCO RESORTS AND ENTMNT	ADR	$132K	0.0%	17,500 SH	New
META PLATFORMS INC	CL A	$9.1M	1.4%Prev: 1.4%	13,800 SH	Decreased+1,000 SH
METROPOLITAN BK HLDG CORP	COM	$2.4M	0.4%Prev: 0.4%	31,500 SH	Increased
MICRON TECHNOLOGY INC	COM	$13.8M	2.1%Prev: 1.3%	48,500 SH	Increased
MICROSOFT CORP	COM	$12.6M	1.9%Prev: 2.1%	26,000 SH	Decreased
MOELIS & CO	CL A	$1.0M	0.2%Prev: 0.2%	14,800 SH	Decreased
MOODYS CORP	COM	$4.1M	0.6%Prev: 0.6%	8,000 SH	Increased
MORGAN STANLEY	COM NEW	$1.2M	0.2%Prev: 0.2%	6,608 SH	Increased
MSCI INC	COM	$574K	0.1%Prev: 0.1%	1,000 SH	Increased
NB BANCORP INC	COM	$198K	0.0%Prev: 0.0%	10,000 SH	Increased
NEBIUS GROUP N.V.	SHS CLASS A	$2.3M	0.3%Prev: 0.5%	27,600 SH	Decreased
NETFLIX INC	COM	$469K	0.1%Prev: 0.1%	5,000 SH	Decreased+4,500 SH
NORFOLK SOUTHN CORP	COM	$866K	0.1%Prev: 0.1%	3,000 SH	Decreased
NUCOR CORP	COM	$4.6M	0.7%Prev: 0.6%	27,992 SH	Increased
NUSCALE PWR CORP	CL A COM	$177K	0.0%	12,500 SH	New
NVIDIA CORPORATION	COM	$33.6M	5.0%Prev: 5.2%	180,000 SH	Decreased
NXP SEMICONDUCTORS N V	COM	$326K	0.0%Prev: 0.1%	1,500 SH	Decreased
OCCIDENTAL PETE CORP	COM	$247K	0.0%Prev: 0.1%	6,000 SH	Decreased-2,500 SH
OCTAVE SPECIALTY GROUP INC	COM NEW	$1.5M	0.2%	196,382 SH	New
OLD NATL BANCORP IND	COM	$258K	0.0%Prev: 0.0%	11,550 SH	Increased
OLIN CORP	COM PAR $1	$208K	0.0%Prev: 0.0%	10,000 SH	Decreased
ORACLE CORP	COM	$468K	0.1%	2,400 SH	New
PALANTIR TECHNOLOGIES INC	CL A	$2.0M	0.3%Prev: 0.3%	11,000 SH	Decreased
PALO ALTO NETWORKS INC	COM	$2.3M	0.3%Prev: 0.4%	12,500 SH	Decreased
PCB BANCORP	COM	$433K	0.1%Prev: 0.1%	20,000 SH	Increased
PFIZER INC	COM	$796K	0.1%Prev: 0.1%	31,962 SH	Decreased
PHILLIPS 66	COM	$457K	0.1%Prev: 0.1%	3,541 SH	Decreased
PHOENIX ED PARTNERS INC	COM	$303K	0.0%	10,000 SH	New
PJT PARTNERS INC	COM CL A	$6.9M	1.0%Prev: 1.1%	41,519 SH	Decreased
PNC FINL SVCS GROUP INC	COM	$2.2M	0.3%Prev: 0.3%	10,444 SH	Increased
POPULAR INC	COM NEW	$1.6M	0.2%Prev: 0.3%	13,000 SH	Decreased
RENASANT CORP	COM	$552K	0.1%Prev: 0.1%	15,671 SH	Decreased
RESMED INC	COM	$361K	0.1%Prev: 0.1%	1,500 SH	Decreased
RTX CORPORATION	COM	$1.2M	0.2%Prev: 0.2%	6,766 SH	Increased
S&P GLOBAL INC	COM	$7.1M	1.1%Prev: 1.0%	13,667 SH	Increased
SALESFORCE INC	COM	$397K	0.1%Prev: 0.1%	1,500 SH	Increased
SEACOAST BKG CORP FLA	COM NEW	$417K	0.1%Prev: 0.1%	13,272 SH	Increased
SL GREEN RLTY CORP	COM	$780K	0.1%	17,000 SH	New
SMURFIT WESTROCK PLC	SHS	$206K	0.0%Prev: 0.0%	5,315 SH	Decreased
SNOWFLAKE INC	COM SHS	$1.1M	0.2%Prev: 0.2%	5,000 SH	Decreased
STANDARDAERO INC	COM	$721K	0.1%Prev: 0.1%	25,125 SH	Increased
T-MOBILE US INC	COM	$4.2M	0.6%Prev: 0.8%	20,650 SH	Decreased
TAIWAN SEMICONDUCTOR MFG	SPONSORED ADS	$304K	0.0%	1,000 SH	New
TARGET HOSPITALITY CORP	COM	$120K	0.0%Prev: 0.0%	15,000 SH	Decreased
TFS FINL CORP	COM	$565K	0.1%Prev: 0.1%	42,260 SH	Increased
THERMO FISHER SCIENTIFIC	COM	$1.7M	0.3%	3,000 SH	New
TRANE TECHNOLOGIES PLC	SHS	$1.4M	0.2%Prev: 0.2%	3,500 SH	Decreased
TRANSDIGM GROUP INC	COM	$266K	0.0%Prev: 0.0%	200 SH	Increased
UBER TECHNOLOGIES INC	COM	$596K	0.1%Prev: 0.1%	7,298 SH	Decreased
UNITED RENTALS INC	COM	$1.2M	0.2%Prev: 0.2%	1,500 SH	Decreased
UNITEDHEALTH GROUP INC	COM	$528K	0.1%Prev: 0.1%	1,600 SH	Decreased
VAIL RESORTS INC	COM	$664K	0.1%Prev: 0.1%	5,000 SH	Decreased
VENTURE GLOBAL INC	COM CL A	$273K	0.0%Prev: 0.1%	40,000 SH	Decreased
VERALTO CORP	COM SHS	$416K	0.1%Prev: 0.1%	4,167 SH	Decreased
VERISIGN INC	COM	$364K	0.1%Prev: 0.1%	1,500 SH	Decreased
VERTIV HOLDINGS CO	COM CL A	$810K	0.1%Prev: 0.1%	5,000 SH	Increased
VIKING THERAPEUTICS INC	COM	$369K	0.1%Prev: 0.0%	10,500 SH	Increased
VISA INC	COM CL A	$1.4M	0.2%Prev: 0.2%	4,000 SH	Increased
VOYA FINANCIAL INC	COM	$447K	0.1%Prev: 0.1%	6,000 SH	Decreased
WALMART INC	COM	$3.7M	0.6%Prev: 0.5%	33,000 SH	Increased
WELLS FARGO CO NEW	COM	$1.9M	0.3%Prev: 0.3%	20,000 SH	Increased
WESTERN ALLIANCE BANCORP	COM	$1.2M	0.2%Prev: 0.1%	14,000 SH	Increased+5,000 SH
WILLIAMS COS INC	COM	$601K	0.1%Prev: 0.1%	10,000 SH	Decreased
YUM CHINA HLDGS INC	COM	$907K	0.1%Prev: 0.1%	19,000 SH	Increased
ZOETIS INC	CL A	$752K	0.1%Prev: 0.1%	5,976 SH	Decreased

Sold (vs prior filing)

AFFILIATED MANAGERS GROUP IN — $596K
AMBAC FINL GROUP INC — $1.6M
AMERICAN INTEGRITY INS GROUP — $513K
BANK OF NT BUTTERFIELD&SON L — $6.7M
BLUE RIDGE BANKSHARES INC VA — $89K
BRISTOL-MYERS SQUIBB CO — $226K
CANADIAN PACIFIC KANSAS CITY — $1.4M
CHARTER COMMUNICATIONS INC N — $4.4M
DELL TECHNOLOGIES INC — $213K
FIDELIS INSURANCE HOLDINGS L — $182K
FIRST CTZNS BANCSHARES INC D — $916K
INTERACTIVE BROKERS GROUP IN — $12.9M
JOHNSON & JOHNSON — $427K
KURA ONCOLOGY INC — $89K
LIVE NATION ENTERTAINMENT IN — $327K
MELCO RESORTS AND ENTMNT LTD — $160K
PENN ENTERTAINMENT INC — $231K
PINNACLE FINL PARTNERS INC — $1.1M
RBB BANCORP — $188K
SLIDE INS HLDGS INC — $158K
… and 3 more

All filings

Open a filing on Jive Data

Filing Date	Quarter	Form	Accession	Portfolio	Filing
Jan 30, 2026	Q4 2025	13F-HR	0001214659-26-000986	$665.8M	View
Nov 12, 2025	Q3 2025	13F-HR	0001214659-25-016246	$648.4M	View
Jul 28, 2026	Q2 2026