Holders — by stockHoldings — by fund
Harbor Advisors LLC
Everything this manager disclosed owning in US-listed stocks — its complete Form 13F portfolio · as of 2026-06-30 · filed with the SEC up to 45 days after quarter end · CIK 0001687156
$795.1M
disclosed book value
194
positions
31.4%
largest position share
Positions, as of 2026-06-30
top 100 of 194 · 13F covers long US-listed positions only — cash, bonds, private and foreign stakes are not disclosed · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | EQIXEQUINIX INC | 239,240 | $249.4M | 31.4% |
| 2 | MUMICRON TECHNOLOGY INC | 50,000 | $57.7M | 7.3% |
| 3 | GOOGLALPHABET INC | 145,600 | $52.0M | 6.5% |
| 4 | AAPLAPPLE INC | 148,400 | $42.9M | 5.4% |
| 5 | AMZNAMAZON COM INC | 153,200 | $36.5M | 4.6% |
| 6 | NVDANVIDIA CORPORATION | 180,000 | $36.0M | 4.5% |
| 7 | CNQCANADIAN NAT RES LTD MED TER | 499,800 | $19.7M | 2.5% |
| 8 | IBKRINTERACTIVE BROKERS GROUP IN | 186,832 | $16.3M | 2% |
| 9 | FTAI AVIATION LTD | 57,000 | $15.4M | 1.9% |
| 10 | MAMASTERCARD INCORPORATED | 26,000 | $13.4M | 1.7% |
| 11 | MSFTMICROSOFT CORP | 26,500 | $9.9M | 1.2% |
| 12 | FERGFERGUSON ENTERPRISES INC | 41,255 | $9.8M | 1.2% |
| 13 | BANK OF N T BUTTERFIELD & SO | 144,908 | $8.6M | 1.1% |
| 14 | JPMJPMORGAN CHASE & CO | 24,148 | $7.9M | 1% |
| 15 | METAMETA PLATFORMS INC | 13,800 | $7.8M | 1% |
| 16 | NEBIUS GROUP N.V. | 27,600 | $7.6M | 1% |
| 17 | GOOGALPHABET INC | 20,000 | $7.1M | 0.9% |
| 18 | PJTPJT PARTNERS INC | 41,519 | $6.3M | 0.8% |
| 19 | NUENUCOR CORP | 27,992 | $6.2M | 0.8% |
| 20 | SPGIS&P GLOBAL INC | 13,667 | $5.6M | 0.7% |
| 21 | DLRDIGITAL RLTY TR INC | 30,552 | $5.5M | 0.7% |
| 22 | EVREVERCORE INC | 15,000 | $5.1M | 0.6% |
| 23 | CRWDCROWDSTRIKE HLDGS INC | 6,250 | $4.8M | 0.6% |
| 24 | BLKBLACKROCK INC | 3,924 | $3.8M | 0.5% |
| 25 | WMTWALMART INC | 33,000 | $3.7M | 0.5% |
| 26 | MCOMOODYS CORP | 8,000 | $3.6M | 0.5% |
| 27 | TMUST-MOBILE US INC | 20,650 | $3.5M | 0.4% |
| 28 | PANWPALO ALTO NETWORKS INC | 10,000 | $3.4M | 0.4% |
| 29 | EOGEOG RES INC | 25,900 | $3.4M | 0.4% |
| 30 | HLIHOULIHAN LOKEY INC | 25,000 | $3.4M | 0.4% |
| 31 | MCBMETROPOLITAN BK HLDG CORP | 31,500 | $3.1M | 0.4% |
| 32 | GEGE AEROSPACE | 7,000 | $2.6M | 0.3% |
| 33 | MLMMARTIN MARIETTA MATLS INC | 4,500 | $2.6M | 0.3% |
| 34 | PNCPNC FINL SVCS GROUP INC | 10,444 | $2.6M | 0.3% |
| 35 | DHRDANAHER CORP DEL | 12,505 | $2.4M | 0.3% |
| 36 | AKAMAKAMAI TECHNOLOGIES INC | 20,000 | $2.4M | 0.3% |
| 37 | HLTHILTON WORLDWIDE HLDGS INC | 7,133 | $2.4M | 0.3% |
| 38 | AMDADVANCED MICRO DEVICES INC | 4,000 | $2.3M | 0.3% |
| 39 | FBKFB FINL CORP | 40,799 | $2.3M | 0.3% |
| 40 | DVNDEVON ENERGY CORP NEW | 52,360 | $2.2M | 0.3% |
| 41 | BPOPPOPULAR INC | 13,000 | $2.1M | 0.3% |
| 42 | CVXCHEVRON CORPORATION | 12,572 | $2.1M | 0.3% |
| 43 | HDHOME DEPOT INC | 5,500 | $1.9M | 0.2% |
| 44 | FOXFOX CORP | 41,265 | $1.9M | 0.2% |
| 45 | AJGGALLAGHER ARTHUR J & CO | 8,375 | $1.9M | 0.2% |
| 46 | EFXEQUIFAX INC | 12,000 | $1.9M | 0.2% |
| 47 | APOAPOLLO GLOBAL MGMT INC | 15,947 | $1.9M | 0.2% |
| 48 | CUBICUSTOMERS BANCORP INC | 23,000 | $1.8M | 0.2% |
| 49 | GDSGDS HLDGS LTD | 60,000 | $1.8M | 0.2% |
| 50 | EVEREST GROUP LTD | 5,000 | $1.8M | 0.2% |
| 51 | TRANE TECHNOLOGIES PLC | 3,500 | $1.7M | 0.2% |
| 52 | URIUNITED RENTALS INC | 1,500 | $1.7M | 0.2% |
| 53 | VRTVERTIV HOLDINGS CO | 5,000 | $1.7M | 0.2% |
| 54 | WFCWELLS FARGO & CO | 20,000 | $1.7M | 0.2% |
| 55 | CPCANADIAN PACIFIC KANSAS CITY | 18,746 | $1.6M | 0.2% |
| 56 | ARESARES MANAGEMENT CORPORATION | 14,500 | $1.6M | 0.2% |
| 57 | BXBLACKSTONE INC | 13,700 | $1.6M | 0.2% |
| 58 | FNFFIDELITY NATL FINL INC | 33,409 | $1.6M | 0.2% |
| 59 | LLYELI LILLY & CO | 1,300 | $1.6M | 0.2% |
| 60 | BROBROWN & BROWN INC | 24,000 | $1.5M | 0.2% |
| 61 | TMOTHERMO FISHER SCIENTIFIC INC | 3,000 | $1.5M | 0.2% |
| 62 | GEVGE VERNOVA INC | 1,250 | $1.5M | 0.2% |
| 63 | CSXCSX CORP | 30,000 | $1.4M | 0.2% |
| 64 | SNOWSNOWFLAKE INC | 5,500 | $1.4M | 0.2% |
| 65 | ASML HLDG NV | 700 | $1.4M | 0.2% |
| 66 | MSMORGAN STANLEY | 6,608 | $1.4M | 0.2% |
| 67 | VVISA INC | 4,000 | $1.4M | 0.2% |
| 68 | AVGOBROADCOM INC | 3,500 | $1.3M | 0.2% |
| 69 | RTXRTX CORPORATION | 6,766 | $1.3M | 0.2% |
| 70 | PLTRPALANTIR TECHNOLOGIES INC | 11,000 | $1.3M | 0.2% |
| 71 | LIILENNOX INTL INC | 2,200 | $1.3M | 0.2% |
| 72 | CHTRCHARTER COMMUNICATIONS INC | 8,744 | $1.2M | 0.2% |
| 73 | WALWESTERN ALLIANCE BANCORP | 15,000 | $1.2M | 0.2% |
| 74 | ADBEADOBE INC | 6,000 | $1.2M | 0.2% |
| 75 | OSGOCTAVE SPECIALTY GROUP INC | 196,382 | $1.2M | 0.2% |
| 76 | PNFPPINNACLE FINL PARTNERS INC | 12,000 | $1.2M | 0.2% |
| 77 | OZKBANK OZK LITTLE ROCK ARK | 21,455 | $1.1M | 0.1% |
| 78 | ARCH CAP GROUP LTD | 11,500 | $1.1M | 0.1% |
| 79 | FCNCAFIRST CTZNS BANCSHARES INC D | 512 | $1.1M | 0.1% |
| 80 | ECHOECHOSTAR CORP | 10,000 | $1.0M | 0.1% |
| 81 | KDPKEURIG DR PEPPER INC | 30,000 | $981,900 | 0.1% |
| 82 | MCMOELIS & CO | 14,800 | $968,216 | 0.1% |
| 83 | COPCONOCOPHILLIPS | 9,272 | $963,917 | 0.1% |
| 84 | CARRCARRIER GLOBAL CORPORATION | 13,000 | $953,550 | 0.1% |
| 85 | NSCNORFOLK SOUTHN CORP | 3,000 | $943,770 | 0.1% |
| 86 | SLGSL GREEN RLTY CORP | 17,000 | $880,090 | 0.1% |
| 87 | BABAALIBABA GROUP HLDG LTD | 9,000 | $863,820 | 0.1% |
| 88 | IWVISHARES TR | 2,000 | $852,800 | 0.1% |
| 89 | AMGAFFILIATED MANAGERS GROUP | 2,500 | $846,000 | 0.1% |
| 90 | AON PLC | 2,500 | $829,225 | 0.1% |
| 91 | LOWLOWES COS INC | 3,700 | $815,813 | 0.1% |
| 92 | CBRECBRE GROUP INC | 6,000 | $808,140 | 0.1% |
| 93 | AUBATLANTIC UN BANKSHARES CORP | 18,644 | $788,828 | 0.1% |
| 94 | YUMCYUM CHINA HLDGS INC | 19,000 | $776,530 | 0.1% |
| 95 | HHYATT HOTELS CORP | 4,000 | $775,360 | 0.1% |
| 96 | FANGDIAMONDBACK ENERGY INC | 4,398 | $773,080 | 0.1% |
| 97 | PFEPFIZER INC | 31,962 | $769,645 | 0.1% |
| 98 | MCKMCKESSON CORP | 1,000 | $755,600 | 0.1% |
| 99 | CSGPCOSTAR GROUP INC | 26,560 | $752,179 | 0.1% |
| 100 | SAROSTANDARDAERO INC | 25,125 | $751,489 | 0.1% |
Source: SEC Form 13F-HR, reporting period 2026-06-30. Values are the manager's filed June-30-style quarter-end marks, not live prices. Research, not investment advice.