Harbor Advisors LLC

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed January 30, 2026), Harbor Advisors LLC reported 193 stock positions worth $665.8 million. Its top holding was Equinix (EQIX) at 29.1% of the portfolio, followed by Alphabet Class A (GOOGL, 7.3%) and Apple (AAPL, 6.1%). Compared with Q3 2025, it opened 13 new positions, sold out of 10, added to 7 and reduced 4. The biggest buy was a new position in SL Green Realty (SLG) and the biggest sale an exit from Pinnacle Financial Partners (PNFP).

Most Recent 13F
Q2 2026
Location
West Palm Beach, FL
CIK
0001687156
Portfolio Value
$665.8M (Q4 2025)
SEC Filing
0001214659-26-000986 ↗ filed Jan 30, 2026

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 Q2 2025 Q3 2025: $648.4M Q3 2025 Q4 2025: $665.8M $665.8M Q4 2025 Q1 2026: $692.2M Q1 2026 Q2 2026: $795.1M Q2 2026

Holdings 193 stocks · $665.8M
EQIX Equinix Inc. 29.09% 252,790 $193.7M No change
GOOGL Alphabet Inc. Class A 7.31% 155,600 $48.7M No change
AAPL Apple Inc. 6.06% 148,400 $40.3M No change
AMZN Amazon.com Inc. 5.31% 153,200 $35.4M Reduce -1.0%
NVDA Nvidia Corp. 5.04% 180,000 $33.6M No change
CNQ Canadian Natural Resources 2.54% 499,800 $16.9M No change
MA Mastercard Inc. Class A 2.23% 26,000 $14.8M No change
MU Micron Technology Inc. 2.08% 48,500 $13.8M No change
MSFT Microsoft Corp. 1.89% 26,000 $12.6M No change
IBKR Interactive Brokers Gro Class A 1.80% 186,832 $12.0M No change
FTAI Ftai Aviation Ltd. 1.69% 57,000 $11.2M No change
FERG Ferguson Enterprises Inc. 1.38% 41,255 $9.2M No change
META Meta Platforms Inc. Class A 1.37% 13,800 $9.1M Add +7.8%
JPM JPMorgan Chase & Co. 1.17% 24,148 $7.8M No change
NTB Bank of N.T. Butterfield&son 1.16% 155,408 $7.7M No change
SPGI S&P Global Inc. 1.07% 13,667 $7.1M No change
PJT PJT Partners Inc. Class A 1.04% 41,519 $6.9M No change
GOOG Alphabet Inc. Class C 0.94% 20,000 $6.3M No change
EVR Evercore Inc. Class A 0.77% 15,000 $5.1M No change
NUE Nucor Corp. 0.69% 27,992 $4.6M No change
HLI Houlihan Lokey Inc. 0.65% 25,000 $4.4M No change
BLK BlackRock Inc. 0.63% 3,924 $4.2M No change
TMUS T-Mobile US Inc. 0.63% 20,650 $4.2M No change
MCO Moody's Corp. 0.61% 8,000 $4.1M No change
DLR Digital Realty Trust Inc. 0.59% 25,552 $4.0M No change
WMT Walmart Inc. 0.55% 33,000 $3.7M No change
CHTR Charter Communications Inc. Class A 0.50% 15,942 $3.3M No change
CRWD CrowdStrike Holdings Inc. Class A 0.44% 6,250 $2.9M No change
DHR Danaher Corp. 0.43% 12,505 $2.9M No change
MLM Martin Marietta Materials 0.42% 4,500 $2.8M No change
EOG EOG Resources Inc. 0.41% 25,900 $2.7M No change
FOX Fox Corp. Class B 0.40% 41,265 $2.7M No change
EFX Equifax Inc. 0.39% 12,000 $2.6M No change
MCB Metropolitan Bank Holding Co. 0.36% 31,500 $2.4M No change
ARES Ares Management Corp. Class A 0.35% 14,500 $2.3M No change
NBIS Nebius Group NV 0.35% 27,600 $2.3M No change
APO Apollo Global Management Inc. 0.35% 15,947 $2.3M No change
PANW Palo Alto Networks Inc. 0.35% 12,500 $2.3M No change
FBK FB Financial Corp. filed as FB FINL CORP 0.34% 40,799 $2.3M No change
PNC PNC Financial Services Group 0.33% 10,444 $2.2M No change
AJG Arthur J Gallagher & Co. filed as GALLAGHER ARTHUR J & CO 0.33% 8,375 $2.2M No change
GE General Electric filed as GE AEROSPACE 0.32% 7,000 $2.2M No change
BX Blackstone Inc. 0.32% 13,700 $2.1M No change
ADBE Adobe Inc. 0.32% 6,000 $2.1M No change
HLT Hilton Worldwide Holdings Inc. 0.31% 7,133 $2.0M No change
PLTR Palantir Technologies Inc. Class A 0.29% 11,000 $2.0M No change
CVX Chevron Corp. 0.29% 12,572 $1.9M No change
BRO Brown & Brown Inc. 0.29% 24,000 $1.9M No change
HD Home Depot Inc. 0.28% 5,500 $1.9M No change
WFC Wells Fargo & Co. 0.28% 20,000 $1.9M No change
FNF Fidelity National Financial 0.27% 33,409 $1.8M No change
CSGP Costar Group Inc. 0.27% 26,560 $1.8M Add +17.7%
AKAM Akamai Technologies Inc. 0.26% 20,000 $1.7M No change
TMO Thermo Fisher Scientific Inc. 0.26% 3,000 $1.7M No change
EG Everest Group Ltd. 0.25% 5,000 $1.7M No change
CUBI Customers Bancorp Inc. 0.25% 23,000 $1.7M Reduce -20.7%
BPOP Popular Inc. 0.24% 13,000 $1.6M No change
CTRA Coterra Energy Inc. 0.24% 60,043 $1.6M No change
OSG Octave Specialty Group Inc. 0.23% 196,382 $1.5M No change
V Visa Inc. Class A 0.21% 4,000 $1.4M No change
CP Canadian Pacific Kansas City 0.21% 18,746 $1.4M No change
TT Trane Technologies PLC 0.20% 3,500 $1.4M No change
RTX RTX Corp. 0.19% 6,766 $1.2M No change
URI United Rentals Inc. 0.18% 1,500 $1.2M No change
AVGO Broadcom Inc. 0.18% 3,500 $1.2M No change
WAL Western Alliance Bancorp 0.18% 14,000 $1.2M Add +55.6%
MS Morgan Stanley 0.18% 6,608 $1.2M No change
ACGL Arch Capital Group Ltd. 0.17% 11,500 $1.1M No change
FCNCA First Citizens Bcshs Class A 0.17% 512 $1.1M No change
SNOW Snowflake Inc. 0.16% 5,000 $1.1M No change
CSX CSX Corp. 0.16% 30,000 $1.1M No change
ECHO Echostar Corp. Class A 0.16% 10,000 $1.1M No change
LII Lennox International Inc. 0.16% 2,200 $1.1M No change
BABA Alibaba Group Holding-SP ADR 0.15% 7,000 $1.0M Add +27.3%
MC Moelis & Co. Class A 0.15% 14,800 $1.0M No change
OZK Bank Ozk 0.15% 21,455 $987K No change
XOM Exxon Mobil Corp. 0.15% 8,057 $970K No change
LLY Eli Lilly & Co. 0.15% 900 $967K No change
CBRE CBRE Group Inc. Class A 0.14% 6,000 $965K No change
JEF Jefferies Financial Group Inc. 0.14% 15,000 $930K No change
LBRDK Liberty Broadband-C 0.14% 18,674 $908K No change
YUMC Yum China Holdings Inc. 0.14% 19,000 $907K No change
LOW Lowe's Cos Inc. 0.13% 3,700 $892K No change
AON Aon PLC Class A 0.13% 2,500 $882K No change
COP Conocophillips 0.13% 9,272 $868K No change
NSC Norfolk Southern Corp. 0.13% 3,000 $866K No change
AMD Advanced Micro Devices 0.13% 4,000 $857K No change
KDP Keurig Dr Pepper Inc. 0.13% 30,000 $840K No change
MCK McKesson Corp. 0.12% 1,000 $820K No change
GEV GE Vernova Inc. 0.12% 1,250 $817K No change
VRT Vertiv Holdings Co. Class A 0.12% 5,000 $810K No change
PFE Pfizer Inc. 0.12% 31,962 $796K No change
SLG SL Green Realty Corp. 0.12% 17,000 $780K New
IWV iShares Russell 3000 ETF 0.12% 2,000 $774K No change
FCN Fti Consulting Inc. 0.12% 4,500 $769K No change
BRK.A Berkshire Hathaway Inc. Class A 0.11% 1 $755K No change
ZTS Zoetis Inc. 0.11% 5,976 $752K No change
ASML ASML Holding NV-NY Reg SHS 0.11% 700 $749K No change
AXP American Express Co. 0.11% 2,000 $740K No change
AMG Affiliated Managers Group 0.11% 2,500 $721K No change

Show all 193 holdings

Portfolio Sells Q3 2025 → Q4 2025
PNFP Pinnacle Financial Partners Sold out 0.00% −0.17
JNJ Johnson & Johnson Sold out 0.00% −0.07
CUBI Customers Bancorp Inc. Reduce -20.7% 0.25% −0.04
PENN Penn Entertainment Inc. Sold out 0.00% −0.04
BMY Bristol-Myers Squibb Co. Sold out 0.00% −0.03
DELL Dell Technologies -C Sold out 0.00% −0.03
WTW Willis Towers Watson PLC Sold out 0.00% −0.03
RBB RBB Bancorp Sold out 0.00% −0.03
PLGO Pelagos Insurance Capital LT Sold out 0.00% −0.03
OXY Occidental Petroleum Corp. Reduce -29.4% 0.04% −0.02
SLDE Slide Insurance Holdings Inc. Sold out 0.00% −0.02
KURA Kura Oncology Inc. Sold out 0.00% −0.01
HAFC Hanmi Financial Corporation Reduce -14.3% 0.06% −0.01
AMZN Amazon.com Inc. Reduce -1.0% 5.31% +0.07

Portfolio Buys Q3 2025 → Q4 2025
SLG SL Green Realty Corp. New 0.12% +0.12
ORCL Oracle Corp. New 0.07% +0.07
WAL Western Alliance Bancorp Add +55.6% 0.18% +0.06
PXED Phoenix Education Partners I New 0.05% +0.05
CRWV Coreweave Inc. Class A New 0.04% +0.04
BE Bloom Energy Corp. Class A New 0.04% +0.04
FCX Freeport-McMoran Inc. New 0.04% +0.04
GLIBK Liberty Capital Corp. Class C New 0.03% +0.03
B Barrick Mining Corp. New 0.03% +0.03
HYNE Hoyne Bancorp Inc. New 0.03% +0.03
KGC Kinross Gold Corp. New 0.03% +0.03
SMR Nuscale Power Corp. New 0.03% +0.03
AII American Integrity Insurance Add +43.5% 0.10% +0.02
CIFR Cipher Digital Inc. New 0.02% +0.02
COLD Americold Realty Trust Inc. New 0.02% +0.02
GDS GDS Holdings Ltd. - ADR Add +33.3% 0.10% +0.02
FG F&G Annuities & Life Inc. Add +16.3% 0.07% +0.01
BABA Alibaba Group Holding-SP ADR Add +27.3% 0.15% +0.00
CSGP Costar Group Inc. Add +17.7% 0.27% −0.03
META Meta Platforms Inc. Class A Add +7.8% 1.37% −0.08

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