Harbor Advisors LLC

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 13, 2025), Harbor Advisors LLC reported 190 stock positions worth $611.0 million. Its top holding was Equinix (EQIX) at 32.9% of the portfolio, followed by Amazon.com (AMZN, 5.6%) and Apple (AAPL, 5.0%). Compared with Q1 2025, it opened 8 new positions, sold out of 11, added to 6 and reduced 4. The biggest buy was a new position in Renasant (RNST) and the biggest sale an exit from Harborone Bancorp (HONE).

Most Recent 13F
Q2 2026
Location
West Palm Beach, FL
CIK
0001687156
Portfolio Value
$611.0M (Q2 2025)
SEC Filing
0001214659-25-011966 ↗ filed Aug 13, 2025

Holdings Value

0$200.0M$400.0M$600.0M$800.0M Q1 2024: $544.4M Q1 2024 Q2 2024: $545.4M Q2 2024 Q3 2024: $597.5M Q3 2024 Q4 2024: $636.5M Q4 2024 Q1 2025: $576.0M Q1 2025 Q2 2025: $611.0M $611.0M Q2 2025 Q3 2025: $648.4M Q3 2025 Q4 2025: $665.8M Q4 2025 Q1 2026: $692.2M Q1 2026 Q2 2026: $795.1M Q2 2026

Holdings 190 stocks · $611.0M
EQIX Equinix Inc. 32.91% 252,790 $201.1M Add +0.1%
AMZN Amazon.com Inc. 5.55% 154,700 $33.9M No change
AAPL Apple Inc. 4.98% 148,400 $30.4M No change
NVDA Nvidia Corp. 4.65% 180,000 $28.4M No change
GOOGL Alphabet Inc. Class A 4.49% 155,600 $27.4M No change
CNQ Canadian Natural Resources 2.57% 499,800 $15.7M No change
MA Mastercard Inc. Class A 2.39% 26,000 $14.6M No change
MSFT Microsoft Corp. 2.12% 26,000 $12.9M No change
IBKR Interactive Brokers Gro Class A 1.69% 186,832 $10.4M No change
META Meta Platforms Inc. Class A 1.55% 12,800 $9.4M No change
FERG Ferguson Enterprises Inc. 1.47% 41,255 $9.0M No change
SPGI S&P Global Inc. 1.18% 13,667 $7.2M No change
JPM JPMorgan Chase & Co. 1.15% 24,148 $7.0M No change
NTB Bank of N.T. Butterfield&son 1.13% 155,408 $6.9M No change
PJT PJT Partners Inc. Class A 1.12% 41,519 $6.9M No change
FTAI Ftai Aviation Ltd. 1.07% 57,000 $6.6M No change
CHTR Charter Communications Inc. Class A 1.07% 15,942 $6.5M No change
MU Micron Technology Inc. 0.98% 48,500 $6.0M No change
TMUS T-Mobile US Inc. 0.81% 20,650 $4.9M No change
HLI Houlihan Lokey Inc. 0.74% 25,000 $4.5M No change
DLR Digital Realty Trust Inc. 0.73% 25,552 $4.5M No change
BLK BlackRock Inc. 0.67% 3,924 $4.1M No change
EVR Evercore Inc. Class A 0.66% 15,000 $4.1M No change
MCO Moody's Corp. 0.66% 8,000 $4.0M No change
NUE Nucor Corp. 0.59% 27,992 $3.6M No change
GOOG Alphabet Inc. Class C 0.58% 20,000 $3.5M No change
WMT Walmart Inc. 0.53% 33,000 $3.2M No change
CRWD CrowdStrike Holdings Inc. Class A 0.52% 6,250 $3.2M No change
EFX Equifax Inc. 0.51% 12,000 $3.1M No change
EOG EOG Resources Inc. 0.51% 25,900 $3.1M No change
AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO 0.44% 8,375 $2.7M No change
BRO Brown & Brown Inc. 0.44% 24,000 $2.7M No change
PANW Palo Alto Networks Inc. 0.42% 12,500 $2.6M No change
ARES Ares Management Corp. Class A 0.41% 14,500 $2.5M Add +3.6%
MLM Martin Marietta Materials 0.40% 4,500 $2.5M No change
DHR Danaher Corp. 0.40% 12,505 $2.5M No change
ADBE Adobe Inc. 0.38% 6,000 $2.3M No change
APO Apollo Global Management Inc. 0.37% 15,948 $2.3M No change
MCB Metropolitan Bank Holding Co. 0.36% 31,500 $2.2M No change
FOX Fox Corp. Class B 0.35% 41,266 $2.1M No change
BX Blackstone Inc. 0.34% 13,700 $2.0M No change
HD Home Depot Inc. 0.33% 5,500 $2.0M No change
PNC PNC Financial Services Group 0.32% 10,444 $1.9M No change
HLT Hilton Worldwide Holdings Inc. 0.31% 7,133 $1.9M No change
FNF Fidelity National Financial 0.31% 33,409 $1.9M No change
LBRDK Liberty Broadband-C 0.30% 18,674 $1.8M No change
CSGP Costar Group Inc. 0.30% 22,560 $1.8M No change
EG Everest Group Ltd. 0.28% 5,000 $1.7M No change
FBK FB Financial Corp. filed as FB FINL CORP 0.28% 37,387 $1.7M No change
WFC Wells Fargo & Co. 0.26% 20,000 $1.6M No change
AKAM Akamai Technologies Inc. 0.26% 20,000 $1.6M No change
GE General Electric filed as GE AEROSPACE 0.25% 6,000 $1.5M No change
TT Trane Technologies PLC 0.25% 3,500 $1.5M No change
CTRA Coterra Energy Inc. 0.25% 60,043 $1.5M No change
NBIS Nebius Group NV 0.25% 27,500 $1.5M No change
PLTR Palantir Technologies Inc. Class A 0.25% 11,000 $1.5M No change
CP Canadian Pacific Kansas City 0.24% 18,746 $1.5M No change
BPOP Popular Inc. 0.23% 13,000 $1.4M No change
V Visa Inc. Class A 0.23% 4,000 $1.4M No change
OSG Octave Specialty Group Inc. filed as AMBAC FINL GROUP INC 0.23% 196,382 $1.4M No change
CUBI Customers Bancorp Inc. 0.22% 23,000 $1.4M Reduce -35.2%
PNFP Pinnacle Financial Partners 0.22% 12,000 $1.3M No change
LII Lennox International Inc. 0.21% 2,200 $1.3M No change
TMO Thermo Fisher Scientific Inc. 0.20% 3,000 $1.2M No change
URI United Rentals Inc. 0.18% 1,500 $1.1M No change
SNOW Snowflake Inc. 0.18% 5,000 $1.1M No change
HES Hess Corp. 0.18% 8,000 $1.1M Add +33.3%
ACGL Arch Capital Group Ltd. 0.17% 11,500 $1.0M No change
IT Gartner Inc. 0.17% 2,500 $1.0M No change
OZK Bank Ozk 0.17% 21,455 $1.0M No change
KDP Keurig Dr Pepper Inc. 0.16% 30,000 $992K No change
RTX RTX Corp. 0.16% 6,766 $988K No change
CSX CSX Corp. 0.16% 30,000 $979K No change
AVGO Broadcom Inc. 0.16% 3,500 $965K No change
CARR Carrier Global Corp. 0.16% 13,000 $951K No change
ZTS Zoetis Inc. 0.15% 5,976 $932K No change
MS Morgan Stanley 0.15% 6,608 $931K No change
MC Moelis & Co. Class A 0.15% 14,800 $922K No change
AON Aon PLC Class A 0.15% 2,500 $892K No change
XOM Exxon Mobil Corp. 0.14% 8,057 $869K No change
YUMC Yum China Holdings Inc. 0.14% 19,000 $849K No change
ESGR Enstar Group Ltd. 0.14% 2,500 $841K No change
CBRE CBRE Group Inc. Class A 0.14% 6,000 $841K No change
COP Conocophillips 0.14% 9,272 $832K No change
LOW Lowe's Cos Inc. 0.13% 3,700 $821K No change
JEF Jefferies Financial Group Inc. 0.13% 15,000 $820K No change
SARO Standardaero Inc. 0.13% 25,125 $795K No change
MTN Vail Resorts Inc. 0.13% 5,000 $786K No change
PFE Pfizer Inc. 0.13% 31,962 $775K No change
OWL Blue Owl Capital Inc. 0.13% 40,000 $768K No change
NSC Norfolk Southern Corp. 0.13% 3,000 $768K No change
MCK McKesson Corp. 0.12% 1,000 $733K No change
BRK.A Berkshire Hathaway Inc. Class A 0.12% 1 $729K No change
FCN Fti Consulting Inc. 0.12% 4,500 $727K No change
IWV iShares Russell 3000 ETF 0.11% 2,000 $702K No change
WAL Western Alliance Bancorp 0.11% 9,000 $702K No change
LLY Eli Lilly & Co. 0.11% 900 $702K No change
UBER Uber Technologies Inc. 0.11% 7,298 $681K No change
NFLX Netflix Inc. 0.11% 500 $670K No change
GEV GE Vernova Inc. 0.11% 1,250 $661K No change

Show all 190 holdings

Portfolio Sells Q1 2025 → Q2 2025
HONE Harborone Bancorp Inc. Sold out 0.00% −0.12
FBMS First Bancshares Inc. Sold out 0.00% −0.09
CUBI Customers Bancorp Inc. Reduce -35.2% 0.22% −0.09
NTR Nutrien Ltd. Sold out 0.00% −0.09
BCML Baycom Corp. Sold out 0.00% −0.08
CAG Conagra Brands Inc. Sold out 0.00% −0.08
FIS Fidelity National Info Serv Sold out 0.00% −0.06
DIS The Walt Disney Co. Sold out 0.00% −0.06
FAF First American Financial Sold out 0.00% −0.06
CBU Community Financial System I Sold out 0.00% −0.04
WTW Willis Towers Watson PLC Sold out 0.00% −0.04
ESSA Essa Bancorp Inc. Sold out 0.00% −0.03
INTC Intel Corp. Reduce -30.3% 0.04% −0.02
FHN First Horizon Corp. Reduce -18.7% 0.08% −0.01
VG Venture Global Inc. Class A Reduce -8.3% 0.07% +0.02

Portfolio Buys Q1 2025 → Q2 2025
RNST Renasant Corp. New 0.09% +0.09
AII American Integrity Insurance New 0.07% +0.07
FCNCA First Citizens Bcshs Class A New 0.07% +0.07
ARES Ares Management Corp. Class A Add +3.6% 0.41% +0.05
TSM Taiwan Semiconductor-SP ADR New 0.04% +0.04
UNH Unitedhealth Group Inc. Add +220.0% 0.08% +0.04
FCX Freeport-McMoran Inc. New 0.04% +0.04
ALRS Alerus Financial Corp. New 0.03% +0.03
BNTX Biontech SE-ADR New 0.03% +0.03
EWZ iShares MSCI Brazil ETF New 0.03% +0.03
HES Hess Corp. Add +33.3% 0.18% +0.01
LNTH Lantheus Holdings Inc. Add +60.0% 0.05% +0.01
FER Ferrovial NV Add +2.8% 0.08% +0.01
EQIX Equinix Inc. Add +0.1% 32.91% −2.84

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 194$795.1MEQIX, MU, GOOGL, AAPL, AMZN
Q1 2026 197$692.2MEQIX, GOOGL, AAPL, AMZN, NVDA
Q4 2025 193$665.8MEQIX, GOOGL, AAPL, AMZN, NVDA
Q3 2025 190$648.4MEQIX, GOOGL, AAPL, AMZN, NVDA
Q2 2025 190$611.0MEQIX, AMZN, AAPL, NVDA, GOOGL
Q1 2025 193$576.0MEQIX, AAPL, AMZN, GOOGL, NVDA
Q4 2024 192$636.5MEQIX, AAPL, AMZN, GOOGL, NVDA
Q3 2024 188$597.5MEQIX, AAPL, AMZN, GOOGL, NVDA
Q2 2024 178$545.4MEQIX, AAPL, AMZN, GOOGL, NVDA
Q1 2024 176$544.4MEQIX, AMZN, AAPL, GOOGL, CNQ