# Harbor Advisors LLC

> Institutional holdings reported to the SEC as of Q2 2026 on Form 13F. CIK 1687156. Source: https://holderbook.com/funds/1687156-harbor-advisors-llc/

- Reported value: $795.1M
- Positions: 194
- Weight of the ten largest: 67.8%
- Filed: 2026-07-28

A 13F reports long US equity positions only. Short positions, bonds, foreign listings, private holdings and cash are not visible, so this is not the manager's whole book.

## Holdings

| Security | Ticker | Value | Shares | Weight | Quarters held |
|---|---|---|---|---|---|
| EQUINIX INC | [EQIX](https://holderbook.com/stocks/EQIX/) | $249.4M | 239,240 | 31.4% | 31 |
| MICRON TECHNOLOGY INC | [MU](https://holderbook.com/stocks/MU/) | $57.7M | 50,000 | 7.3% | 31 |
| ALPHABET INC | [GOOGL](https://holderbook.com/stocks/GOOGL/) | $52.0M | 145,600 | 6.5% | 31 |
| APPLE INC | [AAPL](https://holderbook.com/stocks/AAPL/) | $42.9M | 148,400 | 5.4% | 31 |
| AMAZON COM INC | [AMZN](https://holderbook.com/stocks/AMZN/) | $36.5M | 153,200 | 4.6% | 31 |
| NVIDIA CORPORATION | [NVDA](https://holderbook.com/stocks/NVDA/) | $36.0M | 180,000 | 4.5% | 31 |
| CANADIAN NAT RES LTD MED TER | [CNQ](https://holderbook.com/stocks/CNQ/) | $19.7M | 499,800 | 2.5% | 31 |
| INTERACTIVE BROKERS GROUP IN | [IBKR](https://holderbook.com/stocks/IBKR/) | $16.3M | 186,832 | 2.0% | 31 |
| FTAI AVIATION LTD | [FTAI](https://holderbook.com/stocks/FTAI/) | $15.4M | 57,000 | 1.9% | 15 |
| MASTERCARD INCORPORATED | [MA](https://holderbook.com/stocks/MA/) | $13.4M | 26,000 | 1.7% | 31 |
| MICROSOFT CORP | [MSFT](https://holderbook.com/stocks/MSFT/) | $9.9M | 26,500 | 1.2% | 31 |
| FERGUSON ENTERPRISES INC | [FERG](https://holderbook.com/stocks/FERG/) | $9.8M | 41,255 | 1.2% | 8 |
| BANK OF N T BUTTERFIELD & SO | [NTB](https://holderbook.com/stocks/NTB/) | $8.6M | 144,908 | 1.1% | 31 |
| JPMORGAN CHASE & CO | [JPM](https://holderbook.com/stocks/JPM/) | $7.9M | 24,148 | 1.0% | 31 |
| META PLATFORMS INC | [META](https://holderbook.com/stocks/META/) | $7.8M | 13,800 | 1.0% | 31 |
| NEBIUS GROUP N.V. | [NBIS](https://holderbook.com/stocks/NBIS/) | $7.6M | 27,600 | 1.0% | 31 |
| ALPHABET INC | [GOOG](https://holderbook.com/stocks/GOOG/) | $7.1M | 20,000 | 0.9% | 31 |
| PJT PARTNERS INC | [PJT](https://holderbook.com/stocks/PJT/) | $6.3M | 41,519 | 0.8% | 31 |
| NUCOR CORP | [NUE](https://holderbook.com/stocks/NUE/) | $6.2M | 27,992 | 0.8% | 31 |
| S&P GLOBAL INC | [SPGI](https://holderbook.com/stocks/SPGI/) | $5.6M | 13,667 | 0.7% | 31 |
| DIGITAL RLTY TR INC | [DLR](https://holderbook.com/stocks/DLR/) | $5.5M | 30,552 | 0.7% | 31 |
| EVERCORE INC | [EVR](https://holderbook.com/stocks/EVR/) | $5.1M | 15,000 | 0.6% | 31 |
| CROWDSTRIKE HLDGS INC | [CRWD](https://holderbook.com/stocks/CRWD/) | $4.8M | 6,250 | 0.6% | 13 |
| BLACKROCK INC | [BLK](https://holderbook.com/stocks/BLK/) | $3.8M | 3,924 | 0.5% | 7 |
| WALMART INC | [WMT](https://holderbook.com/stocks/WMT/) | $3.7M | 33,000 | 0.5% | 31 |
| MOODYS CORP | [MCO](https://holderbook.com/stocks/MCO/) | $3.6M | 8,000 | 0.5% | 31 |
| T-MOBILE US INC | [TMUS](https://holderbook.com/stocks/TMUS/) | $3.5M | 20,650 | 0.4% | 31 |
| PALO ALTO NETWORKS INC | [PANW](https://holderbook.com/stocks/PANW/) | $3.4M | 10,000 | 0.4% | 12 |
| EOG RES INC | [EOG](https://holderbook.com/stocks/EOG/) | $3.4M | 25,900 | 0.4% | 31 |
| HOULIHAN LOKEY INC | [HLI](https://holderbook.com/stocks/HLI/) | $3.4M | 25,000 | 0.4% | 31 |
| METROPOLITAN BK HLDG CORP | [MCB](https://holderbook.com/stocks/MCB/) | $3.1M | 31,500 | 0.4% | 13 |
| GE AEROSPACE | [GE](https://holderbook.com/stocks/GE/) | $2.6M | 7,000 | 0.3% | 13 |
| MARTIN MARIETTA MATLS INC | [MLM](https://holderbook.com/stocks/MLM/) | $2.6M | 4,500 | 0.3% | 31 |
| PNC FINL SVCS GROUP INC | [PNC](https://holderbook.com/stocks/PNC/) | $2.6M | 10,444 | 0.3% | 31 |
| DANAHER CORP DEL | [DHR](https://holderbook.com/stocks/DHR/) | $2.4M | 12,505 | 0.3% | 31 |
| AKAMAI TECHNOLOGIES INC | [AKAM](https://holderbook.com/stocks/AKAM/) | $2.4M | 20,000 | 0.3% | 31 |
| HILTON WORLDWIDE HLDGS INC | [HLT](https://holderbook.com/stocks/HLT/) | $2.4M | 7,133 | 0.3% | 31 |
| ADVANCED MICRO DEVICES INC | [AMD](https://holderbook.com/stocks/AMD/) | $2.3M | 4,000 | 0.3% | 12 |
| FB FINL CORP | [FBK](https://holderbook.com/stocks/FBK/) | $2.3M | 40,799 | 0.3% | 31 |
| DEVON ENERGY CORP NEW | [DVN](https://holderbook.com/stocks/DVN/) | $2.2M | 52,360 | 0.3% | 22 |
| POPULAR INC | [BPOP](https://holderbook.com/stocks/BPOP/) | $2.1M | 13,000 | 0.3% | 31 |
| CHEVRON CORPORATION | [CVX](https://holderbook.com/stocks/CVX/) | $2.1M | 12,572 | 0.3% | 31 |
| HOME DEPOT INC | [HD](https://holderbook.com/stocks/HD/) | $1.9M | 5,500 | 0.2% | 31 |
| FOX CORP | [FOX](https://holderbook.com/stocks/FOX/) | $1.9M | 41,265 | 0.2% | 30 |
| GALLAGHER ARTHUR J & CO | [AJG](https://holderbook.com/stocks/AJG/) | $1.9M | 8,375 | 0.2% | 12 |
| EQUIFAX INC | [EFX](https://holderbook.com/stocks/EFX/) | $1.9M | 12,000 | 0.2% | 31 |
| APOLLO GLOBAL MGMT INC | [APO](https://holderbook.com/stocks/APO/) | $1.9M | 15,947 | 0.2% | 18 |
| CUSTOMERS BANCORP INC | [CUBI](https://holderbook.com/stocks/CUBI/) | $1.8M | 23,000 | 0.2% | 13 |
| GDS HLDGS LTD | [GDS](https://holderbook.com/stocks/GDS/) | $1.8M | 60,000 | 0.2% | 4 |
| EVEREST GROUP LTD | [EG](https://holderbook.com/stocks/EG/) | $1.8M | 5,000 | 0.2% | 31 |
| TRANE TECHNOLOGIES PLC | [TT](https://holderbook.com/stocks/TT/) | $1.7M | 3,500 | 0.2% | 26 |
| UNITED RENTALS INC | [URI](https://holderbook.com/stocks/URI/) | $1.7M | 1,500 | 0.2% | 25 |
| VERTIV HOLDINGS CO | [VRT](https://holderbook.com/stocks/VRT/) | $1.7M | 5,000 | 0.2% | 7 |
| WELLS FARGO & CO | [WFC](https://holderbook.com/stocks/WFC/) | $1.7M | 20,000 | 0.2% | 31 |
| CANADIAN PACIFIC KANSAS CITY | [CP](https://holderbook.com/stocks/CP/) | $1.6M | 18,746 | 0.2% | 13 |
| ARES MANAGEMENT CORPORATION | [ARES](https://holderbook.com/stocks/ARES/) | $1.6M | 14,500 | 0.2% | 21 |
| BLACKSTONE INC | [BX](https://holderbook.com/stocks/BX/) | $1.6M | 13,700 | 0.2% | 16 |
| FIDELITY NATL FINL INC | [FNF](https://holderbook.com/stocks/FNF/) | $1.6M | 33,409 | 0.2% | 25 |
| ELI LILLY & CO | [LLY](https://holderbook.com/stocks/LLY/) | $1.6M | 1,300 | 0.2% | 13 |
| BROWN & BROWN INC | [BRO](https://holderbook.com/stocks/BRO/) | $1.5M | 24,000 | 0.2% | 31 |
| THERMO FISHER SCIENTIFIC INC | [TMO](https://holderbook.com/stocks/TMO/) | $1.5M | 3,000 | 0.2% | 13 |
| GE VERNOVA INC | [GEV](https://holderbook.com/stocks/GEV/) | $1.5M | 1,250 | 0.2% | 9 |
| CSX CORP | [CSX](https://holderbook.com/stocks/CSX/) | $1.4M | 30,000 | 0.2% | 31 |
| SNOWFLAKE INC | [SNOW](https://holderbook.com/stocks/SNOW/) | $1.4M | 5,500 | 0.2% | 12 |
| ASML HLDG NV | [ASML](https://holderbook.com/stocks/ASML/) | $1.4M | 700 | 0.2% | 17 |
| MORGAN STANLEY | [MS](https://holderbook.com/stocks/MS/) | $1.4M | 6,608 | 0.2% | 23 |
| VISA INC | [V](https://holderbook.com/stocks/V/) | $1.4M | 4,000 | 0.2% | 19 |
| BROADCOM INC | [AVGO](https://holderbook.com/stocks/AVGO/) | $1.3M | 3,500 | 0.2% | 10 |
| RTX CORPORATION | [RTX](https://holderbook.com/stocks/RTX/) | $1.3M | 6,766 | 0.2% | 22 |
| PALANTIR TECHNOLOGIES INC | [PLTR](https://holderbook.com/stocks/PLTR/) | $1.3M | 11,000 | 0.2% | 13 |
| LENNOX INTL INC | [LII](https://holderbook.com/stocks/LII/) | $1.3M | 2,200 | 0.2% | 31 |
| CHARTER COMMUNICATIONS INC | [CHTR](https://holderbook.com/stocks/CHTR/) | $1.2M | 8,744 | 0.2% | 31 |
| WESTERN ALLIANCE BANCORP | [WAL](https://holderbook.com/stocks/WAL/) | $1.2M | 15,000 | 0.2% | 12 |
| ADOBE INC | [ADBE](https://holderbook.com/stocks/ADBE/) | $1.2M | 6,000 | 0.2% | 31 |
| OCTAVE SPECIALTY GROUP INC | [OSG](https://holderbook.com/stocks/OSG/) | $1.2M | 196,382 | 0.2% | 31 |
| PINNACLE FINL PARTNERS INC | [PNFP](https://holderbook.com/stocks/PNFP/) | $1.2M | 12,000 | 0.2% | 2 |
| BANK OZK LITTLE ROCK ARK | [OZK](https://holderbook.com/stocks/OZK/) | $1.1M | 21,455 | 0.1% | 31 |
| ARCH CAP GROUP LTD | [ACGL](https://holderbook.com/stocks/ACGL/) | $1.1M | 11,500 | 0.1% | 12 |
| FIRST CTZNS BANCSHARES INC D | [FCNCA](https://holderbook.com/stocks/FCNCA/) | $1.1M | 512 | 0.1% | 5 |
| ECHOSTAR CORP | [ECHO](https://holderbook.com/stocks/ECHO/) | $1.0M | 10,000 | 0.1% | 31 |
| KEURIG DR PEPPER INC | [KDP](https://holderbook.com/stocks/KDP/) | $981.9K | 30,000 | 0.1% | 31 |
| MOELIS & CO | [MC](https://holderbook.com/stocks/MC/) | $968.2K | 14,800 | 0.1% | 31 |
| CONOCOPHILLIPS | [COP](https://holderbook.com/stocks/COP/) | $963.9K | 9,272 | 0.1% | 31 |
| CARRIER GLOBAL CORPORATION | [CARR](https://holderbook.com/stocks/CARR/) | $953.5K | 13,000 | 0.1% | 12 |
| NORFOLK SOUTHN CORP | [NSC](https://holderbook.com/stocks/NSC/) | $943.8K | 3,000 | 0.1% | 31 |
| SL GREEN RLTY CORP | [SLG](https://holderbook.com/stocks/SLG/) | $880.1K | 17,000 | 0.1% | 3 |
| ALIBABA GROUP HLDG LTD | [BABA](https://holderbook.com/stocks/BABA/) | $863.8K | 9,000 | 0.1% | 10 |
| ISHARES TR | [IWV](https://holderbook.com/stocks/IWV/) | $852.8K | 2,000 | 0.1% | 11 |
| AFFILIATED MANAGERS GROUP | [AMG](https://holderbook.com/stocks/AMG/) | $846.0K | 2,500 | 0.1% | 23 |
| AON PLC | [AON](https://holderbook.com/stocks/AON/) | $829.2K | 2,500 | 0.1% | 25 |
| LOWES COS INC | [LOW](https://holderbook.com/stocks/LOW/) | $815.8K | 3,700 | 0.1% | 31 |
| CBRE GROUP INC | [CBRE](https://holderbook.com/stocks/CBRE/) | $808.1K | 6,000 | 0.1% | 31 |
| ATLANTIC UN BANKSHARES CORP | [AUB](https://holderbook.com/stocks/AUB/) | $788.8K | 18,644 | 0.1% | 9 |
| YUM CHINA HLDGS INC | [YUMC](https://holderbook.com/stocks/YUMC/) | $776.5K | 19,000 | 0.1% | 31 |
| HYATT HOTELS CORP | [H](https://holderbook.com/stocks/H/) | $775.4K | 4,000 | 0.1% | 25 |
| DIAMONDBACK ENERGY INC | [FANG](https://holderbook.com/stocks/FANG/) | $773.1K | 4,398 | 0.1% | 23 |
| PFIZER INC | [PFE](https://holderbook.com/stocks/PFE/) | $769.6K | 31,962 | 0.1% | 31 |
| MCKESSON CORP | [MCK](https://holderbook.com/stocks/MCK/) | $755.6K | 1,000 | 0.1% | 12 |
| COSTAR GROUP INC | [CSGP](https://holderbook.com/stocks/CSGP/) | $752.2K | 26,560 | 0.1% | 31 |
| STANDARDAERO INC | [SARO](https://holderbook.com/stocks/SARO/) | $751.5K | 25,125 | 0.1% | 7 |

## What the disclosed book did

Not the fund's return. This is the change in value of the positions disclosed on Form 13F, had they been left untouched, against SPY over the same quarter ends.

| Quarter | Book | Market | Difference | Priced |
|---|---|---|---|---|
| Q2 2026 | +15.0% | +14.8% | +0.2% | 100% |
| Q1 2026 | +6.1% | -4.6% | +10.7% | 100% |
| Q4 2025 | +2.4% | +2.4% | +0.1% | 100% |
| Q3 2025 | +6.0% | +7.8% | -1.9% | 100% |
| Q2 2025 | +6.4% | +10.5% | -4.0% | 100% |
| Q1 2025 | -9.5% | -4.6% | -5.0% | 100% |
| Q4 2024 | +5.1% | +2.1% | +2.9% | 100% |
| Q3 2024 | +9.1% | +5.4% | +3.7% | 100% |

## Quarter by quarter

| Quarter | Value | Positions |
|---|---|---|
| Q2 2026 | $795.1M | 194 |
| Q1 2026 | $692.2M | 197 |
| Q4 2025 | $665.8M | 193 |
| Q3 2025 | $648.4M | 190 |
| Q2 2025 | $611.0M | 190 |
| Q1 2025 | $576.0M | 193 |
| Q4 2024 | $636.5M | 192 |
| Q3 2024 | $597.5M | 188 |
| Q2 2024 | $545.4M | 178 |
| Q1 2024 | $544.4M | 176 |
| Q4 2023 | $523.0M | 175 |
| Q3 2023 | $466.8M | 165 |