Harbor Advisors LLC Top Holdings and 13F Report (2026)

About Harbor Advisors LLC

Investment Activity

Harbor Advisors LLC has $692.18 million in total holdings as of March 31, 2026.
Harbor Advisors LLC owns shares of 197 different stocks, but just 27 companies or ETFs make up 80% of its holdings.
Approximately 0.95% of the portfolio was purchased this quarter.
About 2.95% of the portfolio was sold this quarter.
This quarter, Harbor Advisors LLC has purchased 193 new stocks and bought additional shares in 11 stocks.
Harbor Advisors LLC sold shares of 9 stocks and completely divested from 5 stocks this quarter.

Largest Holdings

Equinix: $234,512,618
Alphabet: $41,868,736
Apple: $37,662,436
Amazon.com: $31,906,964
NVIDIA: $31,392,000

Largest New Holdings this Quarter

72348N109 - PINNACLE FINL PARTNERS INC: $1,033,680 Holding
970646105 - Willis Lease Finance: $340,520 Holding
925283103 - VERSANT MEDIA GROUP INC: $277,650 Holding
558868105 - Madrigal Pharmaceuticals: $261,735 Holding
24703L202 - Dell Technologies: $246,195 Holding

Largest Purchases this Quarter

GDS: 27,500 shares (about $1.11M)
PINNACLE FINL PARTNERS INC: 12,000 shares (about $1.03M)
Micron Technology: 2,500 shares (about $844.60K)
Eli Lilly and Company: 400 shares (about $367.91K)
Willis Lease Finance: 2,000 shares (about $340.52K)

Largest Sales this Quarter

Equinix: 13,550 shares (about $13.28M)
Alphabet: 10,000 shares (about $2.88M)
Charter Communications: 7,198 shares (about $1.55M)
Bank of N.T. Butterfield & Son: 10,500 shares (about $551.04K)
Palo Alto Networks: 2,500 shares (about $400.80K)

Sector Allocation Over Time

Selling

Neutral

Buying

Latest 13F Holdings and Changes Since Previous Quarterly Filing

Issuer Name	Holdings Value	Approximate Purchase/Sale	Change in Shares	Shares Held	% of Portfolio	Sector
EQIX Equinix	$234,512,618	$13,282,252 ▼	-5.4%	239,240	33.9%	Finance
GOOGL Alphabet	$41,868,736	$2,875,600 ▼	-6.4%	145,600	6.0%	Computer and Technology
AAPL Apple	$37,662,436		0.0%	148,400	5.4%	Computer and Technology
AMZN Amazon.com	$31,906,964		0.0%	153,200	4.6%	Retail/Wholesale
NVDA NVIDIA	$31,392,000		0.0%	180,000	4.5%	Computer and Technology
CNQ Canadian Natural Resources	$24,355,254		0.0%	499,800	3.5%	Energy
MU Micron Technology	$17,229,840	$844,600 ▲	5.2%	51,000	2.5%	Computer and Technology
FTAI AVIATION LTD	$13,965,000		0.0%	57,000	2.0%	SHS
MA Mastercard	$12,991,160		0.0%	26,000	1.9%	Business Services
IBKR Interactive Brokers Group	$12,530,822		0.0%	186,832	1.8%	Finance
MSFT Microsoft	$9,809,505	$185,085 ▲	1.9%	26,500	1.4%	Computer and Technology
FERGUSON ENTERPRISES INC	$9,623,141		0.0%	41,255	1.4%	COMMON STOCK NEW
META Meta Platforms	$7,895,394		0.0%	13,800	1.1%	Computer and Technology
NTB Bank of N.T. Butterfield & Son	$7,604,772	$551,040 ▼	-6.8%	144,908	1.1%	Finance
JPM JPMorgan Chase & Co.	$7,103,376		0.0%	24,148	1.0%	Finance
SPGI S&P Global	$5,813,122		0.0%	13,667	0.8%	Finance
PJT PJT Partners	$5,801,035		0.0%	41,519	0.8%	Finance
GOOG Alphabet	$5,737,200		0.0%	20,000	0.8%	Computer and Technology
NUE Nucor	$4,733,447		0.0%	27,992	0.7%	Basic Materials
DLR Digital Realty Trust	$4,604,726		0.0%	25,552	0.7%	Finance
EVR Evercore	$4,477,650		0.0%	15,000	0.6%	Finance
TMUS T-Mobile US	$4,337,120		0.0%	20,650	0.6%	Computer and Technology
WALMART INC	$4,101,240		0.0%	33,000	0.6%	COM
BLACKROCK INC	$3,773,750		0.0%	3,924	0.5%	COM
EOG EOG Resources	$3,744,363		0.0%	25,900	0.5%	Energy
HLI Houlihan Lokey	$3,590,500		0.0%	25,000	0.5%	Finance
MCO Moody's	$3,490,000		0.0%	8,000	0.5%	Finance
YNDX Yandex	$2,863,776		0.0%	27,600	0.4%	Computer and Technology
MLM Martin Marietta Materials	$2,649,060		0.0%	4,500	0.4%	Construction
MCB Metropolitan Bank	$2,623,635		0.0%	31,500	0.4%	Finance
CVX Chevron	$2,601,147		0.0%	12,572	0.4%	Energy
CRWD CrowdStrike	$2,440,063		0.0%	6,250	0.4%	Computer and Technology
DHR Danaher	$2,370,948		0.0%	12,505	0.3%	Medical
AKAM Akamai Technologies	$2,297,000		0.0%	20,000	0.3%	Computer and Technology
FOX FOX	$2,191,224		0.0%	41,265	0.3%	Consumer Discretionary
PNC The PNC Financial Services Group	$2,173,292		0.0%	10,444	0.3%	Finance
HLT Hilton Worldwide	$2,169,003		0.0%	7,133	0.3%	Consumer Discretionary
EFX Equifax	$2,160,840		0.0%	12,000	0.3%	Business Services
FBK FB Financial	$2,119,100		0.0%	40,799	0.3%	Finance
CTRA Coterra Energy	$2,109,911		0.0%	60,043	0.3%	Energy
GE GE Aerospace	$1,986,390		0.0%	7,000	0.3%	Aerospace
GDS GDS	$1,913,775	$1,107,975 ▲	137.5%	47,500	0.3%	Business Services
CHTR Charter Communications	$1,887,655	$1,553,904 ▼	-45.2%	8,744	0.3%	Consumer Discretionary
AJG Arthur J. Gallagher & Co.	$1,813,858		0.0%	8,375	0.3%	Finance
HD Home Depot	$1,808,895		0.0%	5,500	0.3%	Retail/Wholesale
APO Apollo Global Management	$1,776,926		0.0%	15,947	0.3%	Finance
BPOP Popular	$1,744,210		0.0%	13,000	0.3%	Finance
EG Everest Group	$1,634,250		0.0%	5,000	0.2%	Finance
PALANTIR TECHNOLOGIES INC	$1,609,080		0.0%	11,000	0.2%	CL A
PANW Palo Alto Networks	$1,603,200	$400,800 ▼	-20.0%	10,000	0.2%	Computer and Technology
CUBI Customers Bancorp	$1,596,430		0.0%	23,000	0.2%	Finance
WFC Wells Fargo & Company	$1,592,200		0.0%	20,000	0.2%	Finance
ARES Ares Management	$1,581,950		0.0%	14,500	0.2%	Finance
BX Blackstone	$1,575,363		0.0%	13,700	0.2%	Finance
BRO Brown & Brown	$1,565,040		0.0%	24,000	0.2%	Finance
FNF Fidelity National Financial	$1,549,509		0.0%	33,409	0.2%	Finance
TMO Thermo Fisher Scientific	$1,474,590		0.0%	3,000	0.2%	Medical
CP Canadian Pacific Kansas City	$1,474,560		0.0%	18,746	0.2%	Transportation
TT Trane Technologies	$1,458,590		0.0%	3,500	0.2%	Construction
ADBE Adobe	$1,458,480		0.0%	6,000	0.2%	Computer and Technology
XOM ExxonMobil	$1,366,951		0.0%	8,057	0.2%	Energy
RTX RTX	$1,305,161		0.0%	6,766	0.2%	Aerospace
VRT Vertiv	$1,252,900		0.0%	5,000	0.2%	Computer and Technology
CSX CSX	$1,231,500		0.0%	30,000	0.2%	Transportation
COP ConocoPhillips	$1,223,904		0.0%	9,272	0.2%	Energy
V Visa	$1,208,960		0.0%	4,000	0.2%	Business Services
LLY Eli Lilly and Company	$1,195,701	$367,908 ▲	44.4%	1,300	0.2%	Medical
SATS EchoStar	$1,170,700		0.0%	10,000	0.2%	Computer and Technology
BABA Alibaba Group	$1,129,140	$250,920 ▲	28.6%	9,000	0.2%	Retail/Wholesale
ACGL Arch Capital Group	$1,103,885		0.0%	11,500	0.2%	Finance
URI United Rentals	$1,092,840		0.0%	1,500	0.2%	Construction
GE VERNOVA INC	$1,091,125		0.0%	1,250	0.2%	COM
MS Morgan Stanley	$1,087,479		0.0%	6,608	0.2%	Finance
AVGO Broadcom	$1,083,285		0.0%	3,500	0.2%	Computer and Technology
CSGP CoStar Group	$1,071,430		0.0%	26,560	0.2%	Computer and Technology
WAL Western Alliance Bancorporation	$1,062,750	$70,850 ▲	7.1%	15,000	0.2%	Finance
PINNACLE FINL PARTNERS INC	$1,033,680	$1,033,680 ▲	New Holding	12,000	0.1%	COM
LII Lennox International	$1,021,086		0.0%	2,200	0.1%	Construction
OZK Bank OZK	$984,570		0.0%	21,455	0.1%	Finance
FCNCA First Citizens BancShares	$964,946		0.0%	512	0.1%	Finance
LBRDK Liberty Broadband	$939,302		0.0%	18,674	0.1%	Consumer Discretionary
YUMC Yum China	$926,820		0.0%	19,000	0.1%	Retail/Wholesale
ASML ASML	$924,581		0.0%	700	0.1%	Computer and Technology
OCTAVE SPECIALTY GROUP INC	$913,176		0.0%	196,382	0.1%	COM NEW
PFE Pfizer	$897,493		0.0%	31,962	0.1%	Medical
LOW Lowe's Companies	$874,236		0.0%	3,700	0.1%	Retail/Wholesale
FANG Diamondback Energy	$869,880		0.0%	4,398	0.1%	Energy
MCK McKesson	$865,360		0.0%	1,000	0.1%	Medical
NSC Norfolk Southern	$861,000		0.0%	3,000	0.1%	Transportation
MC Moelis & Company	$843,600		0.0%	14,800	0.1%	Finance
SNOW Snowflake	$829,510	$75,410 ▲	10.0%	5,500	0.1%	Computer and Technology
AMD Advanced Micro Devices	$813,720		0.0%	4,000	0.1%	Computer and Technology
CBRE CBRE Group	$812,760		0.0%	6,000	0.1%	Finance
AON AON	$806,950		0.0%	2,500	0.1%	Finance
FCN FTI Consulting	$795,465		0.0%	4,500	0.1%	Business Services
KDP Keurig Dr Pepper	$789,900		0.0%	30,000	0.1%	Consumer Staples
IWV iShares Russell 3000 ETF	$741,360		0.0%	2,000	0.1%	ETF
CARR Carrier Global	$732,030		0.0%	13,000	0.1%	Construction
WMB Williams Companies	$727,800		0.0%	10,000	0.1%	Energy
BRK.A Berkshire Hathaway	$718,140		0.0%	1	0.1%	Finance

Showing largest 100 holdings. View all holdings.

More Institutional Buying and Selling Information

SEC Filings and Trading Data

Get 30 Days of MarketBeat All Access for Free

Start Your 30-Day Trial

In-depth profiles and analysis for 20,000 public companies.
Real-time analyst ratings, insider transactions, earnings data, and more.
Our daily ratings and market update email newsletter.

Sign In
Create Account

Your Email Address:

Your Password:

Forgot your password?

Your Email Address:

Choose a Password:

By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Harbor Advisors LLC Top Holdings and 13F Report (2026)

About Harbor Advisors LLC

Investment Activity

Largest Holdings

Largest New Holdings this Quarter

Largest Purchases this Quarter

Largest Sales this Quarter

Sector Allocation Over Time

Latest 13F Holdings and Changes Since Previous Quarterly Filing

More Institutional Buying and Selling Information

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools

About MarketBeat

MarketBeat Products

Popular Tools

Financial Calendars

Terms & Info

Harbor Advisors LLC Top Holdings and 13F Report (2026)

About Harbor Advisors LLC

Investment Activity

Largest Holdings

Largest New Holdings this Quarter

Largest Purchases this Quarter

Largest Sales this Quarter

Sector Allocation Over Time

Map of 500 Largest Holdings ofHarbor Advisors LLC

Latest 13F Holdings and Changes Since Previous Quarterly Filing

More Institutional Buying and Selling Information

MarketBeat All Access Features

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools