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Port Capital Portfolio holdings

AUM $2.25B
1-Year Est. Return 13.28%
This Fund
S&P 500
This Quarter Est. Return
+3.29%
1 Year Est. Return
+13.28%
3 Year Est. Return
+65.31%
5 Year Est. Return
+99.15%
10 Year Est. Return
–
AUM
$2.4B
AUM Growth
+$47.8M
Cap. Flow
+$3.09M
Cap. Flow %
0.13%
Top 10 Hldgs %
48.08%
Holding
89
New
4
Increased
32
Reduced
27
Closed
5

Top Buys

Rank Stock Value
1
SPGI icon
S&P Global
SPGI
+$25.7M
2
ORI icon
Old Republic International
ORI
+$18.7M
3
ATMU icon
Atmus Filtration Technologies
ATMU
+$18.1M
4
HEI.A icon
HEICO Corp Class A
HEI.A
+$1.3M
5
RBC icon
RBC Bearings
RBC
+$1.28M

Top Sells

Rank Stock Value
1
ONTO icon
Onto Innovation
ONTO
+$15.8M
2
SIGI icon
Selective Insurance
SIGI
+$13.5M
3
IEX icon
IDEX
IEX
+$12.1M
4
APH icon
Amphenol
APH
+$10.2M
5
ROP icon
Roper Technologies
ROP
+$5.53M

Sector Composition

Rank Sector Weight
1 Industrials 37.77%
2 Financials 25.34%
3 Technology 18.32%
4 Materials 7.86%
5 Consumer Discretionary 7.34%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SHW icon
26
Sherwin-Williams
SHW
$82.6B
$37M 1.54%
106,868
+249
+0.2% +$87.8K
PB icon
27
Prosperity Bancshares
PB
$8.96B
$36.7M 1.53%
553,083
+4,875
+0.9% +$335K
ADP icon
28
Automatic Data Processing
ADP
$106B
$36.4M 1.52%
123,979
+353
+0.3% +$106K
GBCI icon
29
Glacier Bancorp
GBCI
$6.38B
$34M 1.42%
699,148
+6,200
+0.9% +$291K
BRO icon
30
Brown & Brown
BRO
$23.5B
$32.2M 1.34%
343,450
+1,270
+0.4% +$124K
ROP icon
31
Roper Technologies
ROP
$38.9B
$32.1M 1.34%
64,329
-10,361
-14% -$5.53M
UNH icon
32
UnitedHealth
UNH
$380B
$28.5M 1.19%
82,659
-2,470
-3% -$747K
SPGI icon
33
S&P Global
SPGI
$123B
$23.3M 0.97%
+47,910
New +$25.7M
ORI icon
34
Old Republic International
ORI
$10.5B
$20.6M 0.86%
+485,805
New +$18.7M
ATMU icon
35
Atmus Filtration Technologies
ATMU
$4.26B
$19.4M 0.81%
+430,460
New +$18.1M
IEX icon
36
IDEX
IEX
$17B
$17.9M 0.74%
109,791
-71,644
-39% -$12.1M
RSP icon
37
Invesco S&P 500 Equal Weight ETF
RSP
$97.2B
$16.8M 0.7%
88,630
+679
+0.8% +$127K
AAPL icon
38
Apple
AAPL
$4.44T
$12.4M 0.52%
48,852
-447
-0.9% -$101K
SPY icon
39
State Street SPDR S&P 500 ETF Trust
SPY
$789B
$7.59M 0.32%
11,392
-27
-0.2% -$17.3K
MSFT icon
40
Microsoft
MSFT
$3.44T
$5.82M 0.24%
11,228
-2,764
-20% -$1.41M
CL icon
41
Colgate-Palmolive
CL
$72.9B
$5.32M 0.22%
66,589
-1,383
-2% -$118K
GOOG icon
42
Alphabet (Google) Class C
GOOG
$4.36T
$3.96M 0.17%
16,270
-411
-2% -$86.4K
SCHF icon
43
Schwab International Equity ETF
SCHF
$66.7B
$3.33M 0.14%
143,017
– –
GOOGL icon
44
Alphabet (Google) Class A
GOOGL
$4.36T
$1.91M 0.08%
7,864
-500
-6% -$105K
AMZN icon
45
Amazon
AMZN
$2.92T
$1.54M 0.06%
7,010
-342
-5% -$77.4K
IAU icon
46
iShares Gold Trust
IAU
$62.9B
$1.44M 0.06%
19,750
-1,100
-5% -$71.8K
CSW
47
CSW Industrials
CSW
$5.3B
$1.43M 0.06%
5,900
– –
IJR icon
48
iShares Core S&P Small-Cap ETF
IJR
$110B
$1.18M 0.05%
9,933
+4
+0% +$460
VTI icon
49
Vanguard Morningstar Total Stock Market ETF
VTI
$660B
$1.15M 0.05%
3,490
-100
-3% -$31.6K
JPM icon
50
JPMorgan Chase
JPM
$939B
$1.14M 0.05%
3,627
-129
-3% -$38.4K
1
2
3 4

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Port Capital's Q3 2025 Portfolio in Review

As of Q3 2025, Port Capital held 89 positions worth $2.4B, up 2% from $2.35B the previous quarter. Its ten largest holdings account for 48% of the portfolio.

Port Capital's Q3 2025 filing shows 4 new, 32 increased, 27 reduced and 5 closed positions. Its largest new stake was S&P Global: 47,910 shares worth $23.3M. The largest sale was Onto Innovation, an estimated $15.8M.

By sector, the portfolio is most concentrated in Industrials at 38% of assets, down from 39% a quarter earlier, followed by Financials and Technology.

  • Port Capital's largest Q3 2025 buy was S&P Global: 47,910 shares worth $23.3M.
  • Port Capital added most to HEICO Corp Class A in Q3 2025, an estimated $1.3M increase.
  • Port Capital's biggest Q3 2025 reduction was IDEX, cutting an estimated $12.1M.
  • Port Capital fully exited Onto Innovation in Q3 2025, selling an estimated $15.8M.
  • Port Capital's ten largest holdings make up 48% of its $2.4B portfolio in Q3 2025.
  • Port Capital opened 4 new positions and closed 5 in Q3 2025.
  • Port Capital's portfolio value rose 2% quarter-over-quarter to $2.4B.

Based on Port Capital's 13F filing for Q3 2025, filed 14 Nov 2025.