Harbor Advisors LLC

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 11, 2025), Harbor Advisors LLC reported 192 stock positions worth $636.5 million. Its top holding was Equinix (EQIX) at 37.4% of the portfolio, followed by Apple (AAPL, 5.8%) and Amazon.com (AMZN, 5.3%). Compared with Q3 2024, it opened 12 new positions, sold out of 8, added to 12 and reduced 6. The biggest buy was a new position in BlackRock (BLK) and the biggest sale Bank of N.T. Butterfield&son (NTB, shares −6%).

Most Recent 13F
Q2 2026
Location
West Palm Beach, FL
CIK
0001687156
Portfolio Value
$636.5M (Q4 2024)
SEC Filing
0001214659-25-002356 ↗ filed Feb 11, 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 $636.5M Q4 2024 Q1 2025: $576.0M Q1 2025 Q2 2025: $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 192 stocks · $636.5M
EQIX Equinix Inc. 37.40% 252,490 $238.1M No change
AAPL Apple Inc. 5.84% 148,400 $37.2M No change
AMZN Amazon.com Inc. 5.33% 154,700 $33.9M Reduce -0.2%
GOOGL Alphabet Inc. Class A 4.63% 155,600 $29.5M No change
NVDA Nvidia Corp. 3.80% 180,000 $24.2M No change
CNQ Canadian Natural Resources 2.42% 499,800 $15.4M No change
MA Mastercard Inc. Class A 2.15% 26,000 $13.7M No change
MSFT Microsoft Corp. 1.72% 26,000 $11.0M Add +2.0%
IBKR Interactive Brokers Gro Class A 1.30% 46,708 $8.3M No change
FTAI Ftai Aviation Ltd. 1.24% 55,000 $7.9M No change
META Meta Platforms Inc. Class A 1.18% 12,800 $7.5M No change
FERG Ferguson Enterprises Inc. 1.13% 41,255 $7.2M No change
SPGI S&P Global Inc. 1.07% 13,667 $6.8M No change
PJT PJT Partners Inc. Class A 1.03% 41,519 $6.6M No change
JPM JPMorgan Chase & Co. 0.91% 24,148 $5.8M No change
NTB Bank of N.T. Butterfield&son 0.89% 155,408 $5.7M Reduce -6.0%
CHTR Charter Communications Inc. Class A 0.86% 15,942 $5.5M No change
TMUS T-Mobile US Inc. 0.72% 20,650 $4.6M No change
DLR Digital Realty Trust Inc. 0.71% 25,552 $4.5M No change
HLI Houlihan Lokey Inc. 0.68% 25,000 $4.3M No change
EVR Evercore Inc. Class A 0.65% 15,000 $4.2M No change
MU Micron Technology Inc. 0.64% 48,500 $4.1M No change
BLK BlackRock Inc. 0.63% 3,924 $4.0M New
GOOG Alphabet Inc. Class C 0.60% 20,000 $3.8M No change
MCO Moody's Corp. 0.59% 8,000 $3.8M No change
NUE Nucor Corp. 0.51% 27,992 $3.3M No change
EOG EOG Resources Inc. 0.50% 25,900 $3.2M No change
EFX Equifax Inc. 0.48% 12,000 $3.1M No change
WMT Walmart Inc. 0.47% 33,000 $3.0M No change
DHR Danaher Corp. 0.45% 12,505 $2.9M No change
ADBE Adobe Inc. 0.42% 6,000 $2.7M No change
APO Apollo Global Management Inc. 0.41% 15,947 $2.6M No change
OSG Octave Specialty Group Inc. filed as AMBAC FINL GROUP INC 0.39% 196,382 $2.5M No change
ARES Ares Management Corp. Class A 0.39% 14,000 $2.5M No change
BRO Brown & Brown Inc. 0.38% 24,000 $2.4M No change
AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO 0.37% 8,375 $2.4M Add +28.9%
BX Blackstone Inc. 0.37% 13,700 $2.4M Add +77.9%
MLM Martin Marietta Materials 0.37% 4,500 $2.3M No change
PANW Palo Alto Networks Inc. 0.36% 12,500 $2.3M No change
CUBI Customers Bancorp Inc. 0.34% 44,450 $2.2M Add +33.2%
HD Home Depot Inc. 0.34% 5,500 $2.1M No change
CRWD CrowdStrike Holdings Inc. Class A 0.34% 6,250 $2.1M No change
PNC PNC Financial Services Group 0.32% 10,444 $2.0M No change
FBK FB Financial Corp. filed as FB FINL CORP 0.30% 37,387 $1.9M No change
AKAM Akamai Technologies Inc. 0.30% 20,000 $1.9M No change
FOX Fox Corp. Class B 0.30% 41,265 $1.9M No change
FNF Fidelity National Financial 0.29% 33,409 $1.9M No change
MCB Metropolitan Bank Holding Co. 0.29% 31,500 $1.8M Reduce -13.3%
EG Everest Group Ltd. 0.28% 5,000 $1.8M No change
HLT Hilton Worldwide Holdings Inc. 0.28% 7,133 $1.8M No change
CSGP Costar Group Inc. 0.25% 22,560 $1.6M Add +12.5%
TMO Thermo Fisher Scientific Inc. 0.25% 3,000 $1.6M No change
CTRA Coterra Energy Inc. 0.24% 60,043 $1.5M No change
MTN Vail Resorts Inc. 0.24% 8,000 $1.5M No change
WFC Wells Fargo & Co. 0.22% 20,000 $1.4M No change
LBRDK Liberty Broadband-C 0.22% 18,674 $1.4M No change
PNFP Pinnacle Financial Partners 0.22% 12,000 $1.4M No change
CP Canadian Pacific Kansas City 0.21% 18,746 $1.4M No change
LII Lennox International Inc. 0.21% 2,200 $1.3M No change
TT Trane Technologies PLC 0.20% 3,500 $1.3M No change
V Visa Inc. Class A 0.20% 4,000 $1.3M No change
BPOP Popular Inc. 0.19% 13,000 $1.2M Add +30.0%
IT Gartner Inc. 0.19% 2,500 $1.2M No change
JEF Jefferies Financial Group Inc. 0.18% 15,000 $1.2M No change
MC Moelis & Co. Class A 0.17% 14,800 $1.1M No change
ACGL Arch Capital Group Ltd. 0.17% 11,500 $1.1M No change
URI United Rentals Inc. 0.17% 1,500 $1.1M No change
GE General Electric filed as GE AEROSPACE 0.16% 6,000 $1.0M Add +20.0%
ZTS Zoetis Inc. 0.15% 5,976 $974K No change
CSX CSX Corp. 0.15% 30,000 $968K No change
KDP Keurig Dr Pepper Inc. 0.15% 30,000 $964K No change
OZK Bank Ozk 0.15% 21,455 $955K No change
OWL Blue Owl Capital Inc. 0.15% 40,000 $930K No change
COP Conocophillips 0.14% 9,272 $920K No change
YUMC Yum China Holdings Inc. 0.14% 19,000 $915K No change
LOW Lowe's Cos Inc. 0.14% 3,700 $913K No change
AON Aon PLC Class A 0.14% 2,500 $898K No change
CARR Carrier Global Corp. 0.14% 13,000 $887K No change
XOM Exxon Mobil Corp. 0.14% 8,057 $867K No change
FCN Fti Consulting Inc. 0.14% 4,500 $860K No change
PFE Pfizer Inc. 0.13% 31,962 $848K No change
PLTR Palantir Technologies Inc. Class A 0.13% 11,000 $832K No change
MS Morgan Stanley 0.13% 6,608 $831K No change
HONE Harborone Bancorp Inc. 0.13% 69,374 $821K No change
AVGO Broadcom Inc. 0.13% 3,500 $811K No change
ESGR Enstar Group Ltd. 0.13% 2,500 $805K No change
HES Hess Corp. 0.13% 6,000 $798K No change
CBRE CBRE Group Inc. Class A 0.12% 6,000 $788K No change
RTX RTX Corp. 0.12% 6,766 $783K No change
SNOW Snowflake Inc. 0.12% 5,000 $772K No change
MBIN Merchants Bancorp 0.12% 20,232 $738K New
FANG Diamondback Energy Inc. 0.11% 4,398 $721K No change
AUB Atlantic Union Bankshares Co. 0.11% 18,644 $706K No change
NSC Norfolk Southern Corp. 0.11% 3,000 $704K No change
LLY Eli Lilly & Co. 0.11% 900 $695K No change
BRK.A Berkshire Hathaway Inc. Class A 0.11% 1 $681K No change
IWV iShares Russell 3000 ETF 0.10% 2,000 $669K No change
CVX Chevron Corp. 0.10% 4,372 $633K No change
H Hyatt Hotels Corp. Class A 0.10% 4,000 $628K No change
SARO Standardaero Inc. 0.10% 25,125 $622K New

Show all 192 holdings

Portfolio Sells Q3 2024 → Q4 2024
NTB Bank of N.T. Butterfield&son Reduce -6.0% 0.89% −0.13
FYBR Frontier Communications Pare Sold out 0.00% −0.09
FCX Freeport-McMoran Inc. Sold out 0.00% −0.04
ALRS Alerus Financial Corp. Sold out 0.00% −0.04
IR Ingersoll-Rand Inc. Sold out 0.00% −0.04
ALCO Alico Inc. Sold out 0.00% −0.04
AB Alliancebernstein Holding LP Sold out 0.00% −0.04
EWZ iShares MSCI Brazil ETF Sold out 0.00% −0.03
HCA HCA Healthcare Inc. Sold out 0.00% −0.03
MCB Metropolitan Bank Holding Co. Reduce -13.3% 0.29% −0.03
DIS The Walt Disney Co. Reduce -30.1% 0.06% −0.02
KVUE Kenvue Inc. Reduce -2.9% 0.09% −0.02
PENN Penn Entertainment Inc. Reduce -14.3% 0.04% −0.01
AMZN Amazon.com Inc. Reduce -0.2% 5.33% +0.50

Portfolio Buys Q3 2024 → Q4 2024
BLK BlackRock Inc. New 0.63% +0.63
BX Blackstone Inc. Add +77.9% 0.37% +0.17
MBIN Merchants Bancorp New 0.12% +0.12
SARO Standardaero Inc. New 0.10% +0.10
CUBI Customers Bancorp Inc. Add +33.2% 0.34% +0.08
AJG Arthur J Gallagher & Co. Add +28.9% 0.37% +0.07
INTC Intel Corp. Add +222.2% 0.09% +0.06
RMD Resmed Inc. New 0.05% +0.05
CBNK Capital Bancorp Inc. New 0.05% +0.05
SNREY Sunrise Communicat Class A New 0.05% +0.05
ISRG Intuitive Surgical Inc. New 0.04% +0.04
NVO Novo-Nordisk A/S-Spons ADR New 0.04% +0.04
VRT Vertiv Holdings Co. Class A New 0.04% +0.04
LNTH Lantheus Holdings Inc. New 0.04% +0.04
DOW Dow Inc. New 0.03% +0.03
BPOP Popular Inc. Add +30.0% 0.19% +0.02
IONS Ionis Pharmaceuticals Inc. Add +90.9% 0.06% +0.02
WAL Western Alliance Bancorp Add +40.0% 0.09% +0.02
HAFC Hanmi Financial Corporation Add +16.7% 0.06% +0.02
KURA Kura Oncology Inc. New 0.01% +0.01
BABA Alibaba Group Holding-SP ADR Add +50.0% 0.06% +0.01
CSGP Costar Group Inc. Add +12.5% 0.25% +0.00
GE General Electric Add +20.0% 0.16% −0.00
MSFT Microsoft Corp. Add +2.0% 1.72% −0.11

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