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Harbor Advisors Portfolio holdings

AUM $692M
1-Year Est. Return 33.65%
This Fund
S&P 500
This Quarter Est. Return
+4%
1 Year Est. Return
+33.65%
3 Year Est. Return
+92.17%
5 Year Est. Return
+110.8%
10 Year Est. Return
AUM
$666M
AUM Growth
+$17.4M
Cap. Flow
+$2.23M
Cap. Flow %
0.34%
Top 10 Hldgs %
63.36%
Holding
203
New
13
Increased
7
Reduced
4
Closed
10

Sector Composition

1 Real Estate 30.35%
2 Financials 18.74%
3 Technology 18%
4 Communication Services 12.07%
5 Consumer Discretionary 6.68%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
RBB icon
201
RBB Bancorp
RBB
$461M
-10,000
Closed -$188K
WTW icon
202
Willis Towers Watson
WTW
$27.8B
-605
Closed -$209K
SLDE
203
Slide Insurance Holdings
SLDE
$2.36B
-10,000
Closed -$158K

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Harbor Advisors's Q4 2025 Portfolio in Review

As of Q4 2025, Harbor Advisors held 203 positions worth $666M, up 2.7% from $648M the previous quarter. Its ten largest holdings account for 63% of the portfolio.

Harbor Advisors's Q4 2025 filing shows 13 new, 7 increased, 4 reduced and 10 closed positions. Its largest new stake was SL Green Realty: 17,000 shares worth $780K. The largest sale was Pinnacle Financial Partners Inc, an estimated $1.13M.

By sector, the portfolio is most concentrated in Real Estate at 30% of assets, down from 32% a quarter earlier, followed by Financials and Technology.

  • Harbor Advisors's largest Q4 2025 buy was SL Green Realty: 17,000 shares worth $780K.
  • Harbor Advisors added most to Meta Platforms (Facebook) in Q4 2025, an estimated $668K increase.
  • Harbor Advisors's biggest Q4 2025 reduction was Customers Bancorp, cutting an estimated $412K.
  • Harbor Advisors fully exited Pinnacle Financial Partners Inc in Q4 2025, selling an estimated $1.13M.
  • Harbor Advisors's ten largest holdings make up 63% of its $666M portfolio in Q4 2025.
  • Harbor Advisors opened 13 new positions and closed 10 in Q4 2025.
  • Harbor Advisors's portfolio value rose 2.7% quarter-over-quarter to $666M.

Based on Harbor Advisors's 13F filing for Q4 2025, filed 30 Jan 2026.