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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
+0.55%
1 Year Est. Return
+13.28%
3 Year Est. Return
+65.31%
5 Year Est. Return
+99.15%
10 Year Est. Return
–
AUM
$2.32B
AUM Growth
-$80.7M
Cap. Flow
-$70.4M
Cap. Flow %
-3.04%
Top 10 Hldgs %
49.45%
Holding
86
New
2
Increased
29
Reduced
34
Closed
4

Top Buys

Rank Stock Value
1
ETN icon
Eaton
ETN
+$30.6M
2
TDY icon
Teledyne Technologies
TDY
+$22.2M
3
ATMU icon
Atmus Filtration Technologies
ATMU
+$21.6M
4
SPGI icon
S&P Global
SPGI
+$14.8M
5
AXP icon
American Express
AXP
+$11.4M

Top Sells

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$43.5M
2
ROP icon
Roper Technologies
ROP
+$32.1M
3
APH icon
Amphenol
APH
+$20.1M
4
PGR icon
Progressive
PGR
+$17.8M
5
UNH icon
UnitedHealth
UNH
+$17.7M

Sector Composition

Rank Sector Weight
1 Industrials 42.22%
2 Financials 24.82%
3 Technology 14.73%
4 Consumer Discretionary 7.65%
5 Materials 7.6%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
HEI.A icon
1
HEICO Corp Class A
HEI.A
$34.9B
$217M 9.36%
860,156
+3,965
+0.5% +$980K
RBC icon
2
RBC Bearings
RBC
$18.2B
$166M 7.15%
369,853
+2,005
+0.5% +$849K
APH icon
3
Amphenol
APH
$186B
$126M 5.41%
928,678
-150,071
-14% -$20.1M
TDY icon
4
Teledyne Technologies
TDY
$29.4B
$121M 5.21%
236,474
+42,165
+22% +$22.2M
AME icon
5
Ametek
AME
$54.3B
$92.7M 4%
451,704
-890
-0.2% -$173K
SPXC icon
6
SPX Corp
SPXC
$10.6B
$92.4M 3.98%
461,624
+2,415
+0.5% +$493K
RLI icon
7
RLI Corp
RLI
$5.66B
$89.9M 3.88%
1,405,163
-132,880
-9% -$8.35M
ORLY icon
8
O'Reilly Automotive
ORLY
$71.3B
$88.9M 3.84%
975,177
+2,585
+0.3% +$253K
PH icon
9
Parker-Hannifin
PH
$120B
$78M 3.36%
88,750
+5,624
+7% +$4.6M
LIN icon
10
Linde
LIN
$237B
$75.4M 3.25%
176,745
+726
+0.4% +$311K
GGG icon
11
Graco
GGG
$12.4B
$71.1M 3.07%
867,057
+5,974
+0.7% +$492K
WTS icon
12
Watts Water Technologies
WTS
$11.6B
$71M 3.06%
257,271
+6,065
+2% +$1.67M
SSD icon
13
Simpson Manufacturing
SSD
$7.78B
$66M 2.85%
408,705
+2,495
+0.6% +$422K
MA icon
14
Mastercard
MA
$480B
$63.3M 2.73%
110,904
+325
+0.3% +$182K
ICE icon
15
Intercontinental Exchange
ICE
$79B
$61.8M 2.66%
381,331
+1,375
+0.4% +$215K
PGR icon
16
Progressive
PGR
$121B
$60.8M 2.62%
267,040
-78,895
-23% -$17.8M
CPRT icon
17
Copart
CPRT
$25.6B
$56.6M 2.44%
1,445,358
+15,344
+1% +$636K
ACGL icon
18
Arch Capital
ACGL
$35.4B
$54.9M 2.37%
572,792
-77,480
-12% -$7.09M
CACI icon
19
CACI
CACI
$10.2B
$54.6M 2.35%
102,392
-16,269
-14% -$9.19M
ULS icon
20
UL Solutions
ULS
$17.7B
$45.9M 1.98%
581,550
-43,775
-7% -$3.51M
ATMU icon
21
Atmus Filtration Technologies
ATMU
$4.19B
$45.5M 1.96%
876,720
+446,260
+104% +$21.6M
V icon
22
Visa
V
$682B
$42.2M 1.82%
120,432
+7,940
+7% +$2.71M
SPGI icon
23
S&P Global
SPGI
$133B
$40.6M 1.75%
77,735
+29,825
+62% +$14.8M
WINA icon
24
Winmark
WINA
$1.39B
$39.8M 1.71%
98,188
+70
+0.1% +$29.9K
CP icon
25
Canadian Pacific Kansas City
CP
$83.2B
$39.1M 1.69%
530,479
+1,680
+0.3% +$124K
1
2 3 4

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Port Capital's Q4 2025 Portfolio in Review

As of Q4 2025, Port Capital held 86 positions worth $2.32B, down 3.4% from $2.4B the previous quarter. Its ten largest holdings account for 49% of the portfolio.

Port Capital withdrew a net $70.4M in Q4 2025, closing 4 positions and reducing 34 holdings. Its most notable exit was Fiserv Inc, an estimated $43.5M position sold in full.

By sector, the portfolio is most concentrated in Industrials at 42% of assets, up from 38% a quarter earlier, followed by Financials and Technology.

Against the trend, Port Capital opened a new position in Eaton worth $27.5M.

  • Port Capital's largest Q4 2025 buy was Eaton: 86,309 shares worth $27.5M.
  • Port Capital added most to Teledyne Technologies in Q4 2025, an estimated $22.2M increase.
  • Port Capital's biggest Q4 2025 reduction was Amphenol, cutting an estimated $20.1M.
  • Port Capital fully exited Fiserv Inc in Q4 2025, selling an estimated $43.5M.
  • Port Capital's ten largest holdings make up 49% of its $2.32B portfolio in Q4 2025.
  • Port Capital opened 2 new positions and closed 4 in Q4 2025.
  • Port Capital's portfolio value fell 3.4% quarter-over-quarter to $2.32B.

Based on Port Capital's 13F filing for Q4 2025, filed 17 Feb 2026.