Harbor Advisors LLC

West Palm Beach, FL · CIK 1687156 · 13F filing filed 2026-07-28

SEC-registered investment adviser since 2021 · limited liability company

Assets managed$851.7m
Staff1 · 1 in investment roles
Main clients (by assets)Companies 99%
Form ADV · 2026-02-27SEC adviser record

Legal entityHARBOR ADVISORS LLC (US)

Kindinstitutions
Others nearbyWest Palm Beach, FL

$795.1m reported value +14.9% vs Q1 2026

194positions

67.8%in top 10

10 new 7 added 4 reduced 13 sold out vs Q1 2026

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#	Security	Ticker	Shares	Value	% of portfolio	Change	Shares change
1	EQUINIX INC COM EQIX	EQIX	239,240	$249.4m31.36%	31.36%	Unchanged
2	MICRON TECHNOLOGY INC COM MU	MU	50,000	$57.7m7.26%	7.26%	Reduced -1.0k	-1,000 -2.0%
3	ALPHABET INC CAP STK CL A GOOGL	GOOGL	145,600	$52.0m6.54%	6.54%	Unchanged
4	APPLE INC COM AAPL	AAPL	148,400	$42.9m5.40%	5.40%	Unchanged
5	AMAZON COM INC COM AMZN	AMZN	153,200	$36.5m4.59%	4.59%	Unchanged
6	NVIDIA CORPORATION COM NVDA	NVDA	180,000	$36.0m4.53%	4.53%	Unchanged
7	CANADIAN NAT RES LTD COM CNQ	CNQ	499,800	$19.7m2.48%	2.48%	Unchanged
8	INTERACTIVE BROKERS GROUP IN COM CL A IBKR	IBKR	186,832	$16.3m2.05%	2.05%	Unchanged
9	FTAI AVIATION LTD SHS FTAI	FTAI	57,000	$15.4m1.94%	1.94%	Unchanged
10	MASTERCARD INCORPORATED CL A MA	MA	26,000	$13.4m1.68%	1.68%	Unchanged
11	MICROSOFT CORP COM MSFT	MSFT	26,500	$9.9m1.24%	1.24%	Unchanged
12	FERGUSON ENTERPRISES INC COMMON STOCK NEW FERG	FERG	41,255	$9.8m1.23%	1.23%	Unchanged
13	BANK OF NT BUTTERFIELD&SON L SHS NEW NTB	NTB	144,908	$8.6m1.08%	1.08%	Unchanged
14	JPMORGAN CHASE & CO COM JPM	JPM	24,148	$7.9m0.99%	0.99%	Unchanged
15	META PLATFORMS INC CL A META	META	13,800	$7.8m0.98%	0.98%	Unchanged
16	NEBIUS GROUP N.V. SHS CLASS A NBIS	NBIS	27,600	$7.6m0.96%	0.96%	Unchanged
17	ALPHABET INC CAP STK CL C GOOG	GOOG	20,000	$7.1m0.89%	0.89%	Unchanged
18	PJT PARTNERS INC COM CL A PJT	PJT	41,519	$6.3m0.79%	0.79%	Unchanged
19	NUCOR CORP COM NUE	NUE	27,992	$6.2m0.78%	0.78%	Unchanged
20	S&P GLOBAL INC COM SPGI	SPGI	13,667	$5.6m0.70%	0.70%	Unchanged
21	DIGITAL RLTY TR INC COM DLR	DLR	30,552	$5.5m0.69%	0.69%	Added +5.0k	+5,000 19.6%
22	EVERCORE INC CLASS A EVR	EVR	15,000	$5.1m0.64%	0.64%	Unchanged
23	CROWDSTRIKE HLDGS INC CL A CRWD	CRWD	6,250	$4.8m0.60%	0.60%	Unchanged
24	BLACKROCK INC COM BLK	BLK	3,924	$3.8m0.47%	0.47%	Unchanged
25	WALMART INC COM WMT	WMT	33,000	$3.7m0.47%	0.47%	Unchanged
26	MOODYS CORP COM MCO	MCO	8,000	$3.6m0.46%	0.46%	Unchanged
27	T-MOBILE US INC COM TMUS	TMUS	20,650	$3.5m0.44%	0.44%	Unchanged
28	PALO ALTO NETWORKS INC COM PANW	PANW	10,000	$3.4m0.43%	0.43%	Unchanged
29	EOG RES INC COM EOG	EOG	25,900	$3.4m0.42%	0.42%	Unchanged
30	HOULIHAN LOKEY INC CL A HLI	HLI	25,000	$3.4m0.42%	0.42%	Unchanged
31	METROPOLITAN BK HLDG CORP COM MCB	MCB	31,500	$3.1m0.39%	0.39%	Unchanged
32	GE AEROSPACE COM NEW GE	GE	7,000	$2.6m0.33%	0.33%	Unchanged
33	MARTIN MARIETTA MATLS INC COM MLM	MLM	4,500	$2.6m0.33%	0.33%	Unchanged
34	PNC FINL SVCS GROUP INC COM PNC	PNC	10,444	$2.6m0.32%	0.32%	Unchanged
35	DANAHER CORPORATION COM DHR	DHR	12,505	$2.4m0.30%	0.30%	Unchanged
36	AKAMAI TECHNOLOGIES INC COM AKAM	AKAM	20,000	$2.4m0.30%	0.30%	Unchanged
37	HILTON WORLDWIDE HLDGS INC COM HLT	HLT	7,133	$2.4m0.30%	0.30%	Unchanged
38	ADVANCED MICRO DEVICES INC COM AMD	AMD	4,000	$2.3m0.29%	0.29%	Unchanged
39	FB FINL CORP COM FBK	FBK	40,799	$2.3m0.28%	0.28%	Unchanged
40	DEVON ENERGY CORP NEW COM DVN	DVN	52,360	$2.2m0.27%	0.27%	Added +42.0k	+42,030 406.9%
41	POPULAR INC COM NEW BPOP	BPOP	13,000	$2.1m0.27%	0.27%	Unchanged
42	CHEVRON CORP NEW COM CVX	CVX	12,572	$2.1m0.26%	0.26%	Unchanged
43	HOME DEPOT INC COM HD	HD	5,500	$1.9m0.24%	0.24%	Unchanged
44	FOX CORP CL B COM FOX	FOX	41,265	$1.9m0.24%	0.24%	Unchanged
45	GALLAGHER ARTHUR J & CO COM AJG	AJG	8,375	$1.9m0.24%	0.24%	Unchanged
46	EQUIFAX INC COM EFX	EFX	12,000	$1.9m0.24%	0.24%	Unchanged
47	APOLLO GLOBAL MGMT INC COM APO	APO	15,947	$1.9m0.24%	0.24%	Unchanged
48	CUSTOMERS BANCORP INC COM CUBI	CUBI	23,000	$1.8m0.23%	0.23%	Unchanged
49	GDS HLDGS LTD SPONSORED ADS GDS	GDS	60,000	$1.8m0.23%	0.23%	Added +12.5k	+12,500 26.3%
50	EVEREST GROUP LTD COM EG	EG	5,000	$1.8m0.22%	0.22%	Unchanged
51	TRANE TECHNOLOGIES PLC SHS TT	TT	3,500	$1.7m0.22%	0.22%	Unchanged
52	UNITED RENTALS INC COM URI	URI	1,500	$1.7m0.21%	0.21%	Unchanged
53	VERTIV HOLDINGS CO COM CL A VRT	VRT	5,000	$1.7m0.21%	0.21%	Unchanged
54	WELLS FARGO CO NEW COM WFC	WFC	20,000	$1.7m0.21%	0.21%	Unchanged
55	CANADIAN PACIFIC KANSAS CITY COM CP	CP	18,746	$1.6m0.20%	0.20%	Unchanged
56	ARES MANAGEMENT CORPORATION CL A COM STK ARES	ARES	14,500	$1.6m0.20%	0.20%	Unchanged
57	BLACKSTONE INC COM BX	BX	13,700	$1.6m0.20%	0.20%	Unchanged
58	FIDELITY NATIONAL FINANCIAL FNF GROUP COM FNF	FNF	33,409	$1.6m0.20%	0.20%	Unchanged
59	ELI LILLY & CO COM LLY	LLY	1,300	$1.6m0.20%	0.20%	Unchanged
60	BROWN & BROWN INC COM BRO	BRO	24,000	$1.5m0.19%	0.19%	Unchanged
61	THERMO FISHER SCIENTIFIC INC COM TMO	TMO	3,000	$1.5m0.19%	0.19%	Unchanged
62	GE VERNOVA INC COM GEV	GEV	1,250	$1.5m0.18%	0.18%	Unchanged
63	CSX CORP COM CSX	CSX	30,000	$1.4m0.18%	0.18%	Unchanged
64	SNOWFLAKE INC CL A SNOW	SNOW	5,500	$1.4m0.18%	0.18%	Unchanged
65	ASML HOLDING N V N Y REGISTRY SHS ASML	ASML	700	$1.4m0.18%	0.18%	Unchanged
66	MORGAN STANLEY COM NEW MS	MS	6,608	$1.4m0.17%	0.17%	Unchanged
67	VISA INC COM CL A V	V	4,000	$1.4m0.17%	0.17%	Unchanged
68	BROADCOM INC COM AVGO	AVGO	3,500	$1.3m0.17%	0.17%	Unchanged
69	RTX CORPORATION COM RTX	RTX	6,766	$1.3m0.16%	0.16%	Unchanged
70	PALANTIR TECHNOLOGIES INC CL A PLTR	PLTR	11,000	$1.3m0.16%	0.16%	Unchanged
71	LENNOX INTL INC COM LII	LII	2,200	$1.3m0.16%	0.16%	Unchanged
72	CHARTER COMMUNICATIONS INC N CL A CHTR	CHTR	8,744	$1.2m0.16%	0.16%	Unchanged
73	WESTERN ALLIANCE BANCORP COM WAL	WAL	15,000	$1.2m0.16%	0.16%	Unchanged
74	ADOBE INC COM ADBE	ADBE	6,000	$1.2m0.15%	0.15%	Unchanged
75	AMBAC FINL GROUP INC COM NEW OSG	OSG	196,382	$1.2m0.15%	0.15%	Unchanged
76	PINNACLE FINL PARTNERS INC COM PNFP	PNFP	12,000	$1.2m0.15%	0.15%	Unchanged
77	BANK OZK LITTLE ROCK ARK COM OZK	OZK	21,455	$1.1m0.14%	0.14%	Unchanged
78	ARCH CAP GROUP LTD ORD ACGL	ACGL	11,500	$1.1m0.14%	0.14%	Unchanged
79	FIRST CTZNS BANCSHARES INC N CL A FCNCA	FCNCA	512	$1.1m0.13%	0.13%	Unchanged
80	ECHOSTAR CORP CL A ECHO	ECHO	10,000	$1.0m0.13%	0.13%	Unchanged
81	KEURIG DR PEPPER INC COM KDP	KDP	30,000	$981.9k0.12%	0.12%	Unchanged
82	MOELIS & CO CL A MC	MC	14,800	$968.2k0.12%	0.12%	Unchanged
83	CONOCOPHILLIPS COM COP	COP	9,272	$963.9k0.12%	0.12%	Unchanged
84	CARRIER GLOBAL CORPORATION COM CARR	CARR	13,000	$953.5k0.12%	0.12%	Unchanged
85	NORFOLK SOUTHN CORP COM NSC	NSC	3,000	$943.8k0.12%	0.12%	Unchanged
86	SL GREEN RLTY CORP COM SLG	SLG	17,000	$880.1k0.11%	0.11%	Unchanged
87	ALIBABA GROUP HLDG LTD SPONSORED ADS BABA	BABA	9,000	$863.8k0.11%	0.11%	Unchanged
88	ISHARES TR RUSSELL 3000 ETF IWV	IWV	2,000	$852.8k0.11%	0.11%	Unchanged
89	AFFILIATED MANAGERS GROUP IN COM AMG	AMG	2,500	$846.0k0.11%	0.11%	Unchanged
90	AON PLC SHS CL A AON	AON	2,500	$829.2k0.10%	0.10%	Unchanged
91	LOWES COS INC COM LOW	LOW	3,700	$815.8k0.10%	0.10%	Unchanged
92	CBRE GROUP INC CL A CBRE	CBRE	6,000	$808.1k0.10%	0.10%	Unchanged
93	ATLANTIC UN BANKSHARES CORP COM AUB	AUB	18,644	$788.8k0.10%	0.10%	Unchanged
94	YUM CHINA HLDGS INC COM YUMC	YUMC	19,000	$776.5k0.10%	0.10%	Unchanged
95	HYATT HOTELS CORP COM CL A H	H	4,000	$775.4k0.10%	0.10%	Unchanged
96	DIAMONDBACK ENERGY INC COM FANG	FANG	4,398	$773.1k0.10%	0.10%	Unchanged
97	PFIZER INC COM PFE	PFE	31,962	$769.6k0.10%	0.10%	Unchanged
98	MCKESSON CORP COM MCK	MCK	1,000	$755.6k0.10%	0.10%	Unchanged
99	COSTAR GROUP INC COM CSGP	CSGP	26,560	$752.2k0.09%	0.09%	Unchanged
100	STANDARDAERO INC COM SARO	SARO	25,125	$751.5k0.09%	0.09%	Unchanged

Sold out since Q1 2026

Security	Ticker	Shares held before	Value then
COTERRA ENERGY INC CTRA	CTRA	60,043	$2.1m60.0k shares
EXXON MOBIL CORP XOM	XOM	8,057	$1.4m8.1k shares
LIBERTY GLOBAL LTD LBTYK	LBTYK	24,320	$285.3k24.3k shares
VERSANT MEDIA GROUP INC VSNT	VSNT	7,500	$277.6k7.5k shares
HCA HEALTHCARE INC HCA	HCA	500	$236.6k500 shares
INTUITIVE SURGICAL INC ISRG	ISRG	500	$230.5k500 shares
KINROSS GOLD CORP KGC	KGC	7,400	$225.8k7.4k shares
DOW INC DOW	DOW	5,000	$208.2k5.0k shares
HERSHEY CO HSY	HSY	1,000	$207.9k1.0k shares
BARRICK MNG CORP B	B	5,000	$203.9k5.0k shares
KURA ONCOLOGY INC KURA	KURA	20,000	$162.6k20.0k shares
TARGET HOSPITALITY CORP TH	TH	15,000	$139.2k15.0k shares
LIBERTY GLOBAL LTD LBTYA	LBTYA	10,044	$121.4k10.0k shares