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HA

Harbor Advisors Portfolio holdings

AUM $795M Turnover 11.11%
1-Year Est. Return 58.85%
This Fund
S&P 500
This Quarter Est. Return
+8.06%
1 Year Est. Return
+58.85%
3 Year Est. Return
+125.49%
5 Year Est. Return
+139.53%
10 Year Est. Return
–
AUM
$648M
AUM Growth
+$37.3M
Cap. Flow
+$1.2M
Cap. Flow %
0.19%
Top 10 Hldgs %
62.89%
Holding
200
New
10
Increased
8
Reduced
4
Closed
10
Avg Time Held
4.9 years
Top 10 Avg Time Held
5.5 years
Top 20 Avg Time Held
4.8 years

Top Buys

Rank Stock Value
1
CVX icon
Chevron
CVX
+$1.27M
2
FCNCA icon
First Citizens BancShares
FCNCA
+$591K
3
GDS icon
GDS Holdings
GDS
+$532K
4
CUBI icon
Customers Bancorp
CUBI
+$395K
5
CNC icon
Centene
CNC
+$362K

Top Sells

Rank Stock Value
1
HES icon
Hess
HES
+$1.11M
2
ESGR icon
Enstar Group
ESGR
+$841K
3
IONS icon
Ionis Pharmaceuticals
IONS
+$415K
4
SNRE
Sunrise Communications AG American Depositary Shares representing Class A shares
SNRE
+$389K
5
INTC icon
Intel
INTC
+$258K

Sector Composition

Rank Sector Weight
1 Real Estate 31.79%
2 Financials 19.55%
3 Technology 17.24%
4 Communication Services 10.88%
5 Consumer Discretionary 6.7%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
EQIX icon
1
Equinix
EQIX
$96.9B
$198M 30.54%
252,790
– –
2016 Q4
35 quarters
GOOGL icon
2
Alphabet (Google) Class A
GOOGL
$4.16T
$37.8M 5.83%
155,600
– –
2017 Q2
33 quarters
AAPL icon
3
Apple
AAPL
$5.02T
$37.8M 5.83%
148,400
– –
2016 Q4
35 quarters
AMZN icon
4
Amazon
AMZN
$2.69T
$34M 5.24%
154,700
– –
2016 Q4
35 quarters
NVDA icon
5
NVIDIA
NVDA
$5.17T
$33.6M 5.18%
180,000
– –
2017 Q1
34 quarters
CNQ icon
6
Canadian Natural Resources
CNQ
$111B
$16M 2.46%
499,800
– –
2016 Q4
35 quarters
MA icon
7
Mastercard
MA
$539B
$14.8M 2.28%
26,000
– –
2016 Q4
35 quarters
MSFT icon
8
Microsoft
MSFT
$3.91T
$13.5M 2.08%
26,000
– –
2016 Q4
35 quarters
IBKR icon
9
Interactive Brokers
IBKR
$37.4B
$12.9M 1.98%
186,832
– –
2016 Q4
35 quarters
FTAI icon
10
FTAI Aviation
FTAI
$17B
$9.51M 1.47%
57,000
– –
2016 Q4
35 quarters
META icon
11
Meta Platforms (Facebook)
META
$1.79T
$9.4M 1.45%
12,800
– –
2016 Q4
35 quarters
FERG icon
12
Ferguson
FERG
$44.7B
$9.27M 1.43%
41,255
– –
2021 Q1
18 quarters
MU icon
13
Micron Technology
MU
$993B
$8.12M 1.25%
48,500
– –
2017 Q4
31 quarters
JPM icon
14
JPMorgan Chase
JPM
$898B
$7.62M 1.17%
24,148
– –
2016 Q4
35 quarters
PJT icon
15
PJT Partners
PJT
$3.5B
$7.38M 1.14%
41,519
– –
2016 Q4
35 quarters
NTB icon
16
Bank of N.T. Butterfield & Son
NTB
$2.3B
$6.67M 1.03%
155,408
– –
2016 Q4
35 quarters
SPGI icon
17
S&P Global
SPGI
$126B
$6.65M 1.03%
13,667
– –
2016 Q4
35 quarters
HLI icon
18
Houlihan Lokey
HLI
$9.03B
$5.13M 0.79%
25,000
– –
2017 Q1
34 quarters
EVR icon
19
Evercore
EVR
$9.75B
$5.06M 0.78%
15,000
– –
2017 Q3
32 quarters
TMUS icon
20
T-Mobile US
TMUS
$170B
$4.94M 0.76%
20,650
– –
2016 Q4
35 quarters
GOOG icon
21
Alphabet (Google) Class C
GOOG
$4.11T
$4.87M 0.75%
20,000
– –
2017 Q1
34 quarters
BLK icon
22
Blackrock
BLK
$175B
$4.57M 0.71%
3,924
– –
2024 Q4
3 quarters
DLR icon
23
Digital Realty Trust
DLR
$65.1B
$4.42M 0.68%
25,552
– –
2016 Q4
35 quarters
CHTR icon
24
Charter Communications
CHTR
$12.5B
$4.39M 0.68%
15,942
– –
2016 Q4
35 quarters
MCO icon
25
Moody's
MCO
$83.7B
$3.81M 0.59%
8,000
– –
2016 Q4
35 quarters
1
2 3 4 5

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Harbor Advisors's Q3 2025 Portfolio in Review

As of Q3 2025, Harbor Advisors held 200 positions worth $648M, up 6.1% from $611M the previous quarter. Its ten largest holdings account for 63% of the portfolio.

Harbor Advisors's Q3 2025 filing shows 10 new, 8 increased, 4 reduced and 10 closed positions. Its largest new stake was GDS Holdings: 15,000 shares worth $581K. The largest sale was Hess, an estimated $1.11M.

By sector, the portfolio is most concentrated in Real Estate at 32% of assets, down from 34% a quarter earlier, followed by Financials and Technology.

  • Harbor Advisors's largest Q3 2025 buy was GDS Holdings: 15,000 shares worth $581K.
  • Harbor Advisors added most to Chevron in Q3 2025, an estimated $1.27M increase.
  • Harbor Advisors's biggest Q3 2025 reduction was Old National Bancorp, cutting an estimated $182K.
  • Harbor Advisors fully exited Hess in Q3 2025, selling an estimated $1.11M.
  • Harbor Advisors's ten largest holdings make up 63% of its $648M portfolio in Q3 2025.
  • Harbor Advisors opened 10 new positions and closed 10 in Q3 2025.
  • Harbor Advisors's portfolio value rose 6.1% quarter-over-quarter to $648M.

Based on Harbor Advisors's 13F filing for Q3 2025, filed 12 Nov 2025.