Harbor Advisors LLC

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 1, 2024), Harbor Advisors LLC reported 176 stock positions worth $544.4 million. Its top holding was Equinix (EQIX) at 38.3% of the portfolio, followed by Amazon.com (AMZN, 5.1%) and Apple (AAPL, 4.7%). Compared with Q4 2023, it opened 10 new positions, sold out of 9, added to 7 and reduced 7. The biggest buy was Nvidia (NVDA, shares +3%) and the biggest sale Equinix (EQIX, shares −4%).

Most Recent 13F
Q2 2026
Location
West Palm Beach, FL
CIK
0001687156
Portfolio Value
$544.4M (Q1 2024)
SEC Filing
0001214659-24-007947 ↗ filed May 1, 2024

Holdings Value

0$200.0M$400.0M$600.0M$800.0M Q1 2024: $544.4M $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 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 176 stocks · $544.4M
EQIX Equinix Inc. 38.28% 252,490 $208.4M Reduce -3.5%
AMZN Amazon.com Inc. 5.10% 154,000 $27.8M No change
AAPL Apple Inc. 4.67% 148,400 $25.4M No change
GOOGL Alphabet Inc. Class A 4.31% 155,600 $23.5M No change
CNQ Canadian Natural Resources 3.50% 249,900 $19.1M No change
NVDA Nvidia Corp. 2.99% 18,000 $16.3M Add +3.5%
MA Mastercard Inc. Class A 2.30% 26,000 $12.5M No change
MSFT Microsoft Corp. 1.97% 25,500 $10.7M No change
FERG Ferguson Jersey Ltd. 1.66% 41,255 $9.0M Reduce -17.8%
META Meta Platforms Inc. Class A 1.14% 12,800 $6.2M No change
SPGI S&P Global Inc. 1.07% 13,667 $5.8M No change
MU Micron Technology Inc. 1.05% 48,500 $5.7M No change
NUE Nucor Corp. 1.02% 27,992 $5.5M No change
NTB Bank of N.T. Butterfield&son 0.97% 165,408 $5.3M No change
IBKR Interactive Brokers Gro Class A 0.93% 45,208 $5.1M Reduce -8.8%
JPM JPMorgan Chase & Co. 0.89% 24,148 $4.8M No change
CHTR Charter Communications Inc. Class A 0.85% 15,942 $4.6M Reduce -42.4%
PJT PJT Partners Inc. Class A 0.72% 41,519 $3.9M No change
FTAI Ftai Aviation Ltd. 0.68% 55,000 $3.7M No change
DLR Digital Realty Trust Inc. 0.68% 25,552 $3.7M Reduce -11.1%
TMUS T-Mobile US Inc. 0.62% 20,650 $3.4M No change
EOG EOG Resources Inc. 0.61% 25,900 $3.3M No change
BLK BlackRock Finance Inc. 0.60% 3,924 $3.3M No change
EFX Equifax Inc. 0.59% 12,000 $3.2M No change
HLI Houlihan Lokey Inc. 0.59% 25,000 $3.2M No change
MCO Moody's Corp. 0.58% 8,000 $3.1M No change
DHR Danaher Corp. 0.57% 12,505 $3.1M No change
OSG Octave Specialty Group Inc. filed as AMBAC FINL GROUP INC 0.56% 196,382 $3.1M No change
GOOG Alphabet Inc. Class C 0.56% 20,000 $3.0M No change
ADBE Adobe Inc. 0.56% 6,000 $3.0M No change
EVR Evercore Inc. Class A 0.53% 15,000 $2.9M No change
MLM Martin Marietta Materials 0.51% 4,500 $2.8M No change
AKAM Akamai Technologies Inc. 0.40% 20,000 $2.2M No change
HD Home Depot Inc. 0.39% 5,500 $2.1M No change
BRO Brown & Brown Inc. 0.39% 24,000 $2.1M No change
EG Everest Group Ltd. 0.37% 5,000 $2.0M No change
WMT Walmart Inc. 0.36% 33,000 $2.0M No change
ARES Ares Management Corp. Class A 0.34% 14,000 $1.9M Add +75.0%
MTN Vail Resorts Inc. 0.33% 8,000 $1.8M No change
PANW Palo Alto Networks Inc. 0.33% 6,250 $1.8M Add +25.0%
FNF Fidelity National Financial 0.33% 33,409 $1.8M No change
TMO Thermo Fisher Scientific Inc. 0.32% 3,000 $1.7M No change
PNC PNC Financial Services Group 0.31% 10,444 $1.7M No change
CTRA Coterra Energy Inc. 0.31% 60,043 $1.7M No change
CP Canadian Pacific Kansas City 0.30% 18,746 $1.7M No change
CSGP Costar Group Inc. 0.30% 17,060 $1.6M No change
AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO 0.30% 6,500 $1.6M No change
HLT Hilton Worldwide Holdings Inc. 0.28% 7,133 $1.5M No change
FBK FB Financial Corp. filed as FB FINL CORP 0.26% 37,387 $1.4M No change
CRWD CrowdStrike Holdings Inc. Class A 0.25% 4,250 $1.4M No change
APO Apollo Global Management Inc. 0.25% 11,948 $1.3M No change
IT Gartner Inc. 0.22% 2,500 $1.2M No change
FOX Fox Corp. Class B 0.22% 41,266 $1.2M No change
COP Conocophillips 0.22% 9,272 $1.2M No change
WFC Wells Fargo & Co. 0.21% 20,000 $1.2M No change
V Visa Inc. Class A 0.21% 4,000 $1.1M No change
CSX CSX Corp. 0.20% 30,000 $1.1M No change
CMCSA Comcast Corp. Class A 0.20% 25,000 $1.1M No change
URI United Rentals Inc. 0.20% 1,500 $1.1M No change
LII Lennox International Inc. 0.20% 2,200 $1.1M No change
MCB Metropolitan Bank Holding Co. 0.20% 27,783 $1.1M Add +12.1%
LBRDK Liberty Broadband-C 0.20% 18,674 $1.1M No change
ACGL Arch Capital Group Ltd. 0.20% 11,500 $1.1M No change
TT Trane Technologies PLC 0.19% 3,500 $1.1M No change
PNFP Pinnacle Financial Partners 0.19% 12,000 $1.0M No change
BX Blackstone Inc. 0.19% 7,700 $1.0M No change
ZTS Zoetis Inc. 0.19% 5,976 $1.0M No change
OZK Bank Ozk 0.18% 21,455 $975K No change
HONE Harborone Bancorp Inc. 0.18% 90,101 $960K No change
FCN Fti Consulting Inc. 0.17% 4,500 $946K No change
LOW Lowe's Cos Inc. 0.17% 3,700 $943K No change
KDP Keurig Dr Pepper Inc. 0.17% 30,000 $920K No change
HES Hess Corp. 0.17% 6,000 $916K No change
PXD Pioneer Natural Resources Co. 0.17% 3,468 $910K No change
PFE Pfizer Inc. 0.16% 31,962 $887K No change
BPOP Popular Inc. 0.16% 10,000 $881K No change
GE General Electric 0.16% 5,000 $878K No change
FANG Diamondback Energy Inc. 0.16% 4,398 $872K No change
VKTX Viking Therapeutics Inc. 0.16% 10,500 $861K New
MC Moelis & Co. Class A 0.15% 14,800 $840K No change
AON Aon PLC Class A 0.15% 2,500 $834K No change
ESGR Enstar Group Ltd. 0.14% 2,500 $777K No change
NSC Norfolk Southern Corp. 0.14% 3,000 $765K No change
HUN Huntsman Corp. 0.14% 29,146 $759K No change
YUMC Yum China Holdings Inc. 0.14% 19,000 $756K No change
CARR Carrier Global Corp. 0.14% 13,000 $756K No change
AMD Advanced Micro Devices 0.13% 4,000 $722K Add +100.0%
LLY Eli Lilly & Co. 0.13% 900 $700K Add +80.0%
CVX Chevron Corp. 0.13% 4,372 $690K No change
ASML ASML Holding NV-NY Reg SHS 0.12% 700 $679K No change
JEF Jefferies Financial Group Inc. 0.12% 15,000 $662K No change
RTX RTX Corp. 0.12% 6,766 $660K No change
AMNB Amer Natl Bnkshs/Danville Va filed as AMERICAN NATL BANKSHARES INC 0.12% 13,811 $660K No change
H Hyatt Hotels Corp. Class A 0.12% 4,000 $638K No change
BRK.A Berkshire Hathaway Inc. Class A 0.12% 1 $634K No change
MS Morgan Stanley 0.11% 6,608 $622K No change
IWV iShares Russell 3000 ETF 0.11% 2,000 $600K No change
KVUE Kenvue Inc. 0.11% 27,745 $595K No change
OLN Olin Corp. 0.11% 10,000 $588K No change
CBRE CBRE Group Inc. Class A 0.11% 6,000 $583K No change

Show all 176 holdings

Portfolio Sells Q4 2023 → Q1 2024
EQIX Equinix Inc. Reduce -3.5% 38.28% −2.02
CHTR Charter Communications Inc. Class A Reduce -42.4% 0.85% −1.20
KRE SS SPDR S&P Regional Bank Sold out 0.00% −0.20
FERG Ferguson Jersey Ltd. Reduce -17.8% 1.66% −0.19
NTR Nutrien Ltd. Reduce -45.1% 0.10% −0.10
FMC FMC Corp. Sold out 0.00% −0.07
DLR Digital Realty Trust Inc. Reduce -11.1% 0.68% −0.06
HHH Howard Hughes Holdings Inc. Sold out 0.00% −0.04
ADM Archer-Daniels-Midland Co. Sold out 0.00% −0.04
BNTX Biontech SE-ADR Sold out 0.00% −0.04
CBU Community Financial System I Sold out 0.00% −0.04
SCHW Schwab (charles) Corp. Sold out 0.00% −0.04
CFB Crossfirst Bankshares Inc. Sold out 0.00% −0.03
MRNA Moderna Inc. Reduce -33.3% 0.04% −0.02
ACB Aurora Cannabis Inc. Sold out 0.00% −0.00
IBKR Interactive Brokers Gro Class A Reduce -8.8% 0.93% +0.14

Portfolio Buys Q4 2023 → Q1 2024
NVDA Nvidia Corp. Add +3.5% 2.99% +1.34
ARES Ares Management Corp. Class A Add +75.0% 0.34% +0.16
VKTX Viking Therapeutics Inc. New 0.16% +0.16
AVGO Broadcom Inc. New 0.09% +0.09
AMD Advanced Micro Devices Add +100.0% 0.13% +0.08
LLY Eli Lilly & Co. Add +80.0% 0.13% +0.07
UPS United Parcel Service Class B New 0.05% +0.05
PANW Palo Alto Networks Inc. Add +25.0% 0.33% +0.04
DAL Delta Air Lines Inc. New 0.04% +0.04
BABA Alibaba Group Holding-SP ADR New 0.04% +0.04
LYV Live Nation Entertainment Inc. New 0.04% +0.04
IR Ingersoll-Rand Inc. New 0.04% +0.04
GS Goldman Sachs Group Inc. New 0.04% +0.04
AB Alliancebernstein Holding LP New 0.04% +0.04
KKR KKR & Co. Inc. New 0.04% +0.04
SNOW Snowflake Inc. Add +100.0% 0.09% +0.03
MCB Metropolitan Bank Holding Co. Add +12.1% 0.20% −0.07

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