Harbor Advisors LLC

Investment Portfolio & 13F Holdings Analysis

About

Type: FundHoldings: 193Value: $576.0MLatest: 2025Q1

Harbor Advisors LLC is an institutional investment manager that filed its latest Form 13F for 2025Q1, reporting 193 holdings worth $0.6 billion. Form 13F filings provide transparency into the equity holdings of institutional investment managers with over $100 million in assets under management. This page displays the most recent portfolio holdings, allowing investors to track position changes, new investments, and portfolio composition.

AI_NATIVE detailed information: This accession holds the following tickers:[
  "ARES",
  "ESGR",
  "ESSA",
  "MC",
  "NTR",
  "FTAI",
  "AKAM",
  "H",
  "SNOW",
  "MU",
  "PPBI",
  "ADBE",
  "BABA",
  "SBCF",
  "JEF",
  "JLL",
  "GOOGL",
  "AXP",
  "AMG",
  "AIG",
  "AMBC",
  "ASML",
  "BLK",
  "AVGO",
  "LOW",
  "BRO",
  "CP.TO",
  "AUB",
  "HTZ",
  "MLCO",
  "FG",
  "EOG",
  "SNRE",
  "FERG",
  "NTB",
  "BGC",
  "ANNX",
  "IBKR",
  "GILD",
  "HLT",
  "BRBS",
  "HD",
  "FNV",
  "FER.MC",
  "FIP",
  "ISRG",
  "HAFC",
  "HLI",
  "META",
  "PCB",
  "RBB",
  "SARO",
  null,
  "IONS",
  "KNSL",
  "LBTYK",
  "MA",
  "MSFT",
  "MS",
  "TMUS",
  "SATS",
  "EQIX",
  "EVR",
  "FHN",
  "FIS",
  "GE",
  "HUN",
  "HES",
  "OXY",
  "BX",
  "KKR",
  "PANW",
  "PNC",
  "UNH",
  "AAPL",
  "NVDA",
  "GS",
  "INTC",
  "PLTR",
  "PFE",
  "KVUE",
  "TFSL",
  "SPGI",
  "RTX",
  "TMO",
  "UBER",
  "UPS",
  "PNFP",
  null,
  "MCB",
  "IWV",
  "BCML",
  "GDDY",
  "TH",
  "IT",
  "RMD",
  "TT",
  "VRT",
  "TV",
  "RYAN",
  "ONB",
  "VOYA",
  "MTN",
  "AON",
  "ACGL",
  "AMD",
  "AJG",
  "FOX",
  "EFX",
  "CUBI",
  "FBK",
  "FIHL",
  null,
  "HONE",
  "KURA",
  "PJT",
  "AMZN",
  "OLN",
  "FAF",
  "VLTO",
  "VRSN",
  "V",
  "VKTX",
  "WMT",
  "WFC",
  "WAL",
  "WTW",
  "WMB",
  null,
  "YUMC",
  "FNF",
  "FOXA",
  "FCN",
  "CNQ",
  "AEM",
  "HIW",
  "JD",
  "MSCI",
  "NSC",
  "LBRDK",
  "LBTYA",
  "NXPI",
  "KDP",
  "BPOP",
  "SW",
  "PSX",
  "CRM",
  "PENN",
  "LII",
  "LYV",
  "LNTH",
  "GEV",
  "MCK",
  "NUE",
  "EG",
  "FDX",
  "OZK",
  "BHC",
  "BRK-A",
  "OWL",
  "BMY",
  "CARR",
  "CBNK",
  "CBRE",
  "CVX",
  "CHTR",
  "C",
  "CME",
  "CBU",
  "CAG",
  "COP",
  "CTRA",
  "CSGP",
  "CRWD",
  "CSX",
  "DHR",
  "DVN",
  "FANG",
  "DAL",
  "DLR",
  "MCO",
  "MAR",
  "DIS",
  "GOOG",
  "XOM",
  "JNJ",
  "LLY",
  "NFLX",
  "APO",
  "MLM",
  "URI",
  "JPM",
  "ZTS"
]

Filing Details

13F-HR • 2025-03-31

SEC FilingSEC DataHachi Filing

Report Date: 2025-03-31
Filing Date: 2025-05-15
Total Holdings: 193
Total Value: 575954021
Accession Number: 0001214659-25-007679
Form Type: 13F-HR
CIK: harbor-advisors
Manager Name: Harbor-Advisors

Data Enrichment

98% identified

189 identified4 unidentified

Holdings

SEC FilingSEC DataHachi Filing

Manager:

193 positions • $576.0M total value

SEC FilingSEC DataHachi Filing

Manager:

Search and click to pin securities to the top

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EQUINIX INC

EQIX|29444U700

Shares:252.5K

Value:$205.9M

% of Portfolio:35.7% ($205.9M/$576.0M)

Apple Inc.

AAPL|037833100

Shares:148.4K

Value:$33.0M

% of Portfolio:5.7% ($33.0M/$576.0M)

AMAZON COM INC

AMZN|023135106

Shares:154.7K

Value:$29.4M

% of Portfolio:5.1% ($29.4M/$576.0M)

Alphabet Inc.

GOOGL|02079K305

Shares:155.6K

Value:$24.1M

% of Portfolio:4.2% ($24.1M/$576.0M)

NVIDIA CORP

NVDA|67066G104

Shares:180.0K

Value:$19.5M

% of Portfolio:3.4% ($19.5M/$576.0M)

CANADIAN NATURAL RESOURCES LTD

CNQ|136385101

Shares:499.8K

Value:$15.4M

% of Portfolio:2.7% ($15.4M/$576.0M)

Mastercard Inc

MA|57636Q104

Shares:26.0K

Value:$14.3M

% of Portfolio:2.5% ($14.3M/$576.0M)

MICROSOFT CORP

MSFT|594918104

Shares:26.0K

Value:$9.8M

% of Portfolio:1.7% ($9.8M/$576.0M)

Interactive Brokers Group, Inc.

IBKR|45841N107

Shares:46.7K

Value:$7.7M

% of Portfolio:1.3% ($7.7M/$576.0M)

Meta Platforms, Inc.

META|30303M102

Shares:12.8K

Value:$7.4M

% of Portfolio:1.3% ($7.4M/$576.0M)

S&P Global Inc.

SPGI|78409V104

Shares:13.7K

Value:$6.9M

% of Portfolio:1.2% ($6.9M/$576.0M)

Ferguson Enterprises Inc. /DE/

FERG|31488V107

Shares:41.3K

Value:$6.6M

% of Portfolio:1.1% ($6.6M/$576.0M)

FTAI Aviation Ltd.

FTAI|G3730V105

Shares:57.0K

Value:$6.3M

% of Portfolio:1.1% ($6.3M/$576.0M)

Bank of N.T. Butterfield & Son Ltd

NTB|G0772R208

Shares:155.4K

Value:$6.0M

% of Portfolio:1.1% ($6.0M/$576.0M)

JPMORGAN CHASE & CO

JPM|46625H100

Shares:24.1K

Value:$5.9M

% of Portfolio:1.0% ($5.9M/$576.0M)

CHARTER COMMUNICATIONS, INC. /MO/

CHTR|16119P108

Shares:15.9K

Value:$5.9M

% of Portfolio:1.0% ($5.9M/$576.0M)

PJT Partners Inc.

PJT|69343T107

Shares:41.5K

Value:$5.7M

% of Portfolio:1.0% ($5.7M/$576.0M)

T-Mobile US, Inc.

TMUS|872590104

Shares:20.6K

Value:$5.5M

% of Portfolio:1.0% ($5.5M/$576.0M)

MICRON TECHNOLOGY INC

MU|595112103

Shares:48.5K

Value:$4.2M

% of Portfolio:0.7% ($4.2M/$576.0M)

HOULIHAN LOKEY, INC.

HLI|441593100

Shares:25.0K

Value:$4.0M

% of Portfolio:0.7% ($4.0M/$576.0M)

Instrument	Shares		Other Manager	Value	% of Portfolio
EQUINIX INC(EQIXcusip29444U700)	252.5K	QoQ 0.00% (-0) YoY 0.00% (-0)	All Managers (Combined)	$205.9M	35.7% ($205.9M/$576.0M)	QoQ -13.52% (-$32.2M) YoY -1.20% (-$2.5M)
Apple Inc.(AAPLcusip037833100)	148.4K	QoQ 0.00% (-0) YoY 0.00% (+0)	All Managers (Combined)	$33.0M	5.7% ($33.0M/$576.0M)	QoQ -11.29% (-$4.2M) YoY +29.53% (+$7.5M)
AMAZON COM INC(AMZNcusip023135106)	154.7K	QoQ 0.00% (-0) YoY +0.45% (+700)	All Managers (Combined)	$29.4M	5.1% ($29.4M/$576.0M)	QoQ -13.27% (-$4.5M) YoY +5.95% (+$1.7M)
Alphabet Inc.(GOOGLcusip02079K305)	155.6K	QoQ 0.00% (-0) YoY 0.00% (+0)	All Managers (Combined)	$24.1M	4.2% ($24.1M/$576.0M)	QoQ -18.30% (-$5.4M) YoY +2.45% (+$577.3K)
NVIDIA CORP(NVDAcusip67066G104)	180.0K	QoQ 0.00% (-0) YoY +900.00% (+162.0K)	All Managers (Combined)	$19.5M	3.4% ($19.5M/$576.0M)	QoQ -19.29% (-$4.7M) YoY +19.94% (+$3.2M)
CANADIAN NATURAL RESOURCES LTD(CNQcusip136385101)	499.8K	QoQ 0.00% (-0) YoY +100.00% (-249.9K)	All Managers (Combined)	$15.4M	2.7% ($15.4M/$576.0M)	QoQ -0.22% (-$35.0K) YoY -19.28% (-$3.7M)
Mastercard Inc(MAcusip57636Q104)	26.0K	QoQ 0.00% (+0) YoY 0.00% (+0)	All Managers (Combined)	$14.3M	2.5% ($14.3M/$576.0M)	QoQ +4.09% (+$560.3K) YoY +13.81% (+$1.7M)
MICROSOFT CORP(MSFTcusip594918104)	26.0K	QoQ 0.00% (-0) YoY +1.96% (-500)	All Managers (Combined)	$9.8M	1.7% ($9.8M/$576.0M)	QoQ -10.93% (-$1.2M) YoY -9.02% (-$968.2K)
Interactive Brokers Group, Inc.(IBKRcusip45841N107)	46.7K	QoQ 0.00% (-0) YoY +3.31% (+1.5K)	All Managers (Combined)	$7.7M	1.3% ($7.7M/$576.0M)	QoQ -6.27% (-$517.5K) YoY +53.15% (+$2.7M)
Meta Platforms, Inc.(METAcusip30303M102)	12.8K	QoQ 0.00% (-0) YoY 0.00% (+0)	All Managers (Combined)	$7.4M	1.3% ($7.4M/$576.0M)	QoQ -1.56% (-$117.1K) YoY +18.69% (+$1.2M)
S&P Global Inc.(SPGIcusip78409V104)	13.7K	QoQ 0.00% (+0) YoY 0.00% (+0)	All Managers (Combined)	$6.9M	1.2% ($6.9M/$576.0M)	QoQ +2.02% (+$137.6K) YoY +19.42% (+$1.1M)
Ferguson Enterprises Inc. /DE/(FERGcusip31488V107)	41.3K	QoQ 0.00% (-0) YoY NEW(+41.3K)	All Managers (Combined)	$6.6M	1.1% ($6.6M/$576.0M)	QoQ -7.68% (-$550.3K) YoY NEW(+$6.6M)
FTAI Aviation Ltd.(FTAIcusipG3730V105)	57.0K	QoQ +3.63% (-2.0K) YoY +3.63% (+2.0K)	All Managers (Combined)	$6.3M	1.1% ($6.3M/$576.0M)	QoQ -20.11% (-$1.6M) YoY +70.97% (+$2.6M)
Bank of N.T. Butterfield & Son Ltd(NTBcusipG0772R208)	155.4K	QoQ 0.00% (+0) YoY -6.04% (-10.0K)	All Managers (Combined)	$6.0M	1.1% ($6.0M/$576.0M)	QoQ +6.48% (+$368.3K) YoY +14.30% (-$757.1K)
JPMORGAN CHASE & CO(JPMcusip46625H100)	24.1K	QoQ 0.00% (+0) YoY 0.00% (+0)	All Managers (Combined)	$5.9M	1.0% ($5.9M/$576.0M)	QoQ +2.33% (+$135.0K) YoY +22.46% (+$1.1M)
CHARTER COMMUNICATIONS, INC. /MO/(CHTRcusip16119P108)	15.9K	QoQ 0.00% (+0) YoY 0.00% (+0)	All Managers (Combined)	$5.9M	1.0% ($5.9M/$576.0M)	QoQ +7.51% (+$410.7K) YoY +26.80% (+$1.2M)
PJT Partners Inc.(PJTcusip69343T107)	41.5K	QoQ 0.00% (-0) YoY 0.00% (+0)	All Managers (Combined)	$5.7M	1.0% ($5.7M/$576.0M)	QoQ -12.62% (-$827.5K) YoY +46.27% (+$1.8M)
T-Mobile US, Inc.(TMUScusip872590104)	20.6K	QoQ 0.00% (+0) YoY 0.00% (+0)	All Managers (Combined)	$5.5M	1.0% ($5.5M/$576.0M)	QoQ +20.83% (+$949.5K) YoY +63.40% (+$2.1M)
MICRON TECHNOLOGY INC(MUcusip595112103)	48.5K	QoQ 0.00% (+0) YoY 0.00% (-0)	All Managers (Combined)	$4.2M	0.7% ($4.2M/$576.0M)	QoQ +3.24% (+$132.4K) YoY -26.29% (-$1.5M)
HOULIHAN LOKEY, INC.(HLIcusip441593100)	25.0K	QoQ 0.00% (-0) YoY 0.00% (+0)	All Managers (Combined)	$4.0M	0.7% ($4.0M/$576.0M)	QoQ -7.00% (-$304.0K) YoY +25.98% (+$832.8K)