Harbor Advisors LLC

In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 14, 2024), Harbor Advisors LLC reported 188 stock positions worth $597.5 million. Its top holding was Equinix (EQIX) at 37.5% of the portfolio, followed by Apple (AAPL, 5.8%) and Amazon.com (AMZN, 4.8%). Compared with Q2 2024, it opened 16 new positions, sold out of 6, added to 8 and reduced 2. The biggest buy was Customers Bancorp (CUBI, shares +377%) and the biggest sale an exit from BlackRock Finance (BLK).

Most Recent 13F
Q2 2026
Location
West Palm Beach, FL
CIK
0001687156
Portfolio Value
$597.5M (Q3 2024)
SEC Filing
0001214659-24-019061 ↗ filed Nov 14, 2024

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 $597.5M Q3 2024 Q4 2024: $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 188 stocks · $597.5M
EQIX Equinix Inc. 37.51% 252,490 $224.1M No change
AAPL Apple Inc. 5.79% 148,400 $34.6M No change
AMZN Amazon.com Inc. 4.83% 155,000 $28.9M No change
GOOGL Alphabet Inc. Class A 4.32% 155,600 $25.8M No change
NVDA Nvidia Corp. 3.66% 180,000 $21.9M No change
CNQ Canadian Natural Resources 2.78% 499,800 $16.6M No change
MA Mastercard Inc. Class A 2.15% 26,000 $12.8M No change
MSFT Microsoft Corp. 1.84% 25,500 $11.0M No change
FERG Ferguson Enterprises Inc. 1.36% 41,255 $8.1M No change
META Meta Platforms Inc. Class A 1.23% 12,800 $7.3M No change
FTAI Ftai Aviation Ltd. 1.22% 55,000 $7.3M No change
SPGI S&P Global Inc. 1.18% 13,667 $7.1M No change
IBKR Interactive Brokers Gro Class A 1.09% 46,708 $6.5M No change
NTB Bank of N.T. Butterfield&son 1.02% 165,408 $6.1M No change
PJT PJT Partners Inc. Class A 0.93% 41,519 $5.5M No change
CHTR Charter Communications Inc. Class A 0.86% 15,942 $5.2M No change
JPM JPMorgan Chase & Co. 0.85% 24,148 $5.1M No change
MU Micron Technology Inc. 0.84% 48,500 $5.0M No change
TMUS T-Mobile US Inc. 0.71% 20,650 $4.3M No change
NUE Nucor Corp. 0.70% 27,992 $4.2M No change
DLR Digital Realty Trust Inc. 0.69% 25,552 $4.1M No change
HLI Houlihan Lokey Inc. 0.66% 25,000 $4.0M No change
EVR Evercore Inc. Class A 0.64% 15,000 $3.8M No change
MCO Moody's Corp. 0.64% 8,000 $3.8M No change
EFX Equifax Inc. 0.59% 12,000 $3.5M No change
DHR Danaher Corp. 0.58% 12,505 $3.5M No change
GOOG Alphabet Inc. Class C 0.56% 20,000 $3.3M No change
EOG EOG Resources Inc. 0.53% 25,900 $3.2M No change
ADBE Adobe Inc. 0.52% 6,000 $3.1M No change
WMT Walmart Inc. 0.45% 33,000 $2.7M No change
BRO Brown & Brown Inc. 0.42% 24,000 $2.5M No change
MLM Martin Marietta Materials 0.41% 4,500 $2.4M No change
HD Home Depot Inc. 0.37% 5,500 $2.2M No change
OSG Octave Specialty Group Inc. filed as AMBAC FINL GROUP INC 0.37% 196,382 $2.2M No change
ARES Ares Management Corp. Class A 0.37% 14,000 $2.2M No change
PANW Palo Alto Networks Inc. 0.36% 6,250 $2.1M No change
FNF Fidelity National Financial 0.35% 33,409 $2.1M No change
AKAM Akamai Technologies Inc. 0.34% 20,000 $2.0M No change
APO Apollo Global Management Inc. 0.33% 15,947 $2.0M Add +33.5%
EG Everest Group Ltd. 0.33% 5,000 $2.0M No change
PNC PNC Financial Services Group 0.32% 10,444 $1.9M No change
MCB Metropolitan Bank Holding Co. 0.32% 36,311 $1.9M Add +30.7%
TMO Thermo Fisher Scientific Inc. 0.31% 3,000 $1.9M No change
AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO 0.31% 6,500 $1.8M No change
FBK FB Financial Corp. filed as FB FINL CORP 0.29% 37,387 $1.8M No change
CRWD CrowdStrike Holdings Inc. Class A 0.29% 6,250 $1.8M Add +47.1%
HLT Hilton Worldwide Holdings Inc. 0.28% 7,133 $1.6M No change
CP Canadian Pacific Kansas City 0.27% 18,746 $1.6M No change
FOX Fox Corp. Class B 0.27% 41,265 $1.6M Reduce 0.0%
CUBI Customers Bancorp Inc. 0.26% 33,375 $1.6M Add +376.8%
CSGP Costar Group Inc. 0.25% 20,060 $1.5M Add +17.6%
LBRDK Liberty Broadband-C 0.24% 18,674 $1.4M No change
CTRA Coterra Energy Inc. 0.24% 60,043 $1.4M No change
MTN Vail Resorts Inc. 0.23% 8,000 $1.4M No change
TT Trane Technologies PLC 0.23% 3,500 $1.4M No change
LII Lennox International Inc. 0.22% 2,200 $1.3M No change
ACGL Arch Capital Group Ltd. 0.22% 11,500 $1.3M No change
IT Gartner Inc. 0.21% 2,500 $1.3M No change
URI United Rentals Inc. 0.20% 1,500 $1.2M No change
BX Blackstone Inc. 0.20% 7,700 $1.2M No change
PNFP Pinnacle Financial Partners 0.20% 12,000 $1.2M No change
ZTS Zoetis Inc. 0.20% 5,976 $1.2M No change
WFC Wells Fargo & Co. 0.19% 20,000 $1.1M No change
KDP Keurig Dr Pepper Inc. 0.19% 30,000 $1.1M No change
V Visa Inc. Class A 0.18% 4,000 $1.1M No change
CARR Carrier Global Corp. 0.18% 13,000 $1.0M No change
CSX CSX Corp. 0.17% 30,000 $1.0M No change
FCN Fti Consulting Inc. 0.17% 4,500 $1.0M No change
MC Moelis & Co. Class A 0.17% 14,800 $1.0M No change
BPOP Popular Inc. 0.17% 10,000 $1.0M No change
LOW Lowe's Cos Inc. 0.17% 3,700 $1.0M No change
COP Conocophillips 0.16% 9,272 $976K No change
XOM Exxon Mobil Corp. 0.16% 8,057 $944K New
GE General Electric filed as GE AEROSPACE 0.16% 5,000 $943K No change
PFE Pfizer Inc. 0.15% 31,962 $925K No change
JEF Jefferies Financial Group Inc. 0.15% 15,000 $923K No change
OZK Bank Ozk 0.15% 21,455 $922K No change
HONE Harborone Bancorp Inc. 0.15% 69,374 $900K Reduce -23.0%
AON Aon PLC Class A 0.14% 2,500 $865K No change
YUMC Yum China Holdings Inc. 0.14% 19,000 $855K No change
RTX RTX Corp. 0.14% 6,766 $820K No change
HES Hess Corp. 0.14% 6,000 $815K No change
ESGR Enstar Group Ltd. 0.13% 2,500 $804K No change
LLY Eli Lilly & Co. 0.13% 900 $797K No change
OWL Blue Owl Capital Inc. 0.13% 40,000 $774K No change
FANG Diamondback Energy Inc. 0.13% 4,398 $758K No change
CBRE CBRE Group Inc. Class A 0.13% 6,000 $747K No change
NSC Norfolk Southern Corp. 0.12% 3,000 $746K No change
HUN Huntsman Corp. 0.12% 29,146 $705K No change
AUB Atlantic Union Bankshares Co. 0.12% 18,644 $702K No change
BRK.A Berkshire Hathaway Inc. Class A 0.12% 1 $691K No change
MS Morgan Stanley 0.12% 6,608 $689K No change
VKTX Viking Therapeutics Inc. 0.11% 10,500 $665K No change
AMD Advanced Micro Devices 0.11% 4,000 $656K No change
IWV iShares Russell 3000 ETF 0.11% 2,000 $653K No change
CVX Chevron Corp. 0.11% 4,372 $644K No change
KVUE Kenvue Inc. 0.11% 27,745 $642K No change
H Hyatt Hotels Corp. Class A 0.10% 4,000 $609K No change
AVGO Broadcom Inc. 0.10% 3,500 $604K No change
ASML ASML Holding NV-NY Reg SHS 0.10% 700 $583K No change

Show all 188 holdings

Portfolio Sells Q2 2024 → Q3 2024
BLK BlackRock Finance Inc. Sold out 0.00% −0.57
CMCSA Comcast Corp. Class A Sold out 0.00% −0.11
WRK Westrock Co. Sold out 0.00% −0.05
MRNA Moderna Inc. Sold out 0.00% −0.04
DELL Dell Technologies -C Sold out 0.00% −0.04
HONE Harborone Bancorp Inc. Reduce -23.0% 0.15% −0.03
BFIN Bankfinancial Corp. Sold out 0.00% −0.02
FOX Fox Corp. Class B Reduce 0.0% 0.27% +0.03

Portfolio Buys Q2 2024 → Q3 2024
CUBI Customers Bancorp Inc. Add +376.8% 0.26% +0.20
XOM Exxon Mobil Corp. New 0.16% +0.16
MCB Metropolitan Bank Holding Co. Add +30.7% 0.32% +0.11
FYBR Frontier Communications Pare New 0.09% +0.09
APO Apollo Global Management Inc. Add +33.5% 0.33% +0.07
SW Smurfit Westrock PLC New 0.04% +0.04
BNTX Biontech SE-ADR New 0.04% +0.04
CBU Community Financial System I New 0.04% +0.04
ALRS Alerus Financial Corp. New 0.04% +0.04
AEM Agnico Eagle Mines Ltd. New 0.04% +0.04
CME Cme Group Inc. New 0.04% +0.04
IONS Ionis Pharmaceuticals Inc. New 0.04% +0.04
LYV Live Nation Entertainment Inc. New 0.04% +0.04
ALCO Alico Inc. New 0.04% +0.04
INTC Intel Corp. New 0.04% +0.04
EWZ iShares MSCI Brazil ETF New 0.03% +0.03
HCA HCA Healthcare Inc. New 0.03% +0.03
HHH Howard Hughes Holdings Inc. New 0.03% +0.03
FOXA Fox Corp. Class A New 0.03% +0.03
CSGP Costar Group Inc. Add +17.6% 0.25% +0.02
OXY Occidental Petroleum Corp. Add +41.7% 0.07% +0.00
SNOW Snowflake Inc. Add +25.0% 0.10% −0.00
CRWD CrowdStrike Holdings Inc. Class A Add +47.1% 0.29% −0.01
OM Outset Medical Inc. Add +28.6% 0.01% −0.02

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