Port Capital LLC

All Holdings — 2025 Q4

AI Portfolio Summary
In 2025 Q4, Port Capital LLC maintained a portfolio of 86 distinct positions. They heavily accumulated shares in HEICO CORP NEW, increasing their position by 0.5%. Conversely, Port Capital LLC completely exited their position in FISERV INC.
PCA Score Concentration Risk
Risk ENB
Total Positions
86
Quarter
2025 Q4
Top Holding
HEI/A (9.4%)
Top 10 Concentration
49.4%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
1-25 of 86
Stock History Sector / Type Port % Prev % Rank / Prev Conviction Change % Change Influence Shares Mkt Value Avg Cost Price Held 1st Owned Source Source Date Date Reported
HEI/A
HEICO CORP NEW
Industrials 9.36% 9.07% #1
Prev: #1
5.7 3,965 0.5%
P
S
860,156 $217,129,179 2017 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
RBC
RBC BEARINGS IN...
Industrials 7.15% 5.98% #2
Prev: #2
4.9 2,005 0.5%
P
S
369,853 $165,853,181 2017 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
APH
AMPHENOL CORP N...
Technology 5.41% 5.56% #3
Prev: #3
2.2 -150,071 -13.9%
P
S
928,678 $125,501,545 2017 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
TDY
TELEDYNE TECHNO...
Technology 5.21% 4.75% #4
Prev: #4
4.1 42,165 21.7%
P
S
236,474 $120,774,366 2017 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
AME
AMETEK INC
Industrials 4.00% 3.55% #5 4
Prev: #9
1.6 -890 -0.2%
P
S
451,704 $92,739,348 2017 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
SPXC
SPX TECHNOLOGIE...
Industrials 3.98% 3.57% #6 1
Prev: #7
3.6 2,415 0.5%
P
S
461,624 $92,352,497 2023 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
RLI
RLI CORP
Financial Services 3.88% 4.18% #7 1
Prev: #6
1.6 -132,880 -8.6%
P
S
1,405,163 $89,902,329 2017 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
ORLY
OREILLY AUTOMOT...
Consumer Cyclical 3.84% 4.37% #8 3
Prev: #5
3.5 2,585 0.3%
P
S
975,177 $88,945,894 2017 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
PH
PARKER-HANNIFIN...
Industrials 3.36% 2.63% #9 7
Prev: #16
3.4 5,624 6.8%
P
S
88,750 $78,007,700 2023 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
LIN
LINDE PLC
Basic Materials 3.25% 3.48% #10
Prev: #10
3.3 726 0.4%
P
S
176,745 $75,362,301 2018 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
GGG
GRACO INC
Industrials 3.07% 3.05% #11
Prev: #11
3.2 5,974 0.7%
P
S
867,057 $71,072,662 2017 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
WTS
WATTS WATER TEC...
Industrials 3.06% 2.92% #12
Prev: #12
3.2 6,065 2.4%
P
S
257,271 $71,011,941 2023 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
SSD
SIMPSON MFG INC
Basic Materials 2.85% 2.84% #13
Prev: #13
3.1 2,495 0.6%
P
S
408,705 $65,993,596 2019 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
MA
MASTERCARD INCO...
Financial Services 2.73% 2.62% #14 3
Prev: #17
3.1 325 0.3%
P
S
110,904 $63,312,876 2017 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
ICE
INTERCONTINENTA...
Financial Services 2.66% 2.67% #15
Prev: #15
3.1 1,375 0.4%
P
S
381,331 $61,760,369 2017 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
PGR
PROGRESSIVE COR...
Financial Services 2.62% 3.56% #16 8
Prev: #8
1.1 -78,895 -22.8%
P
S
267,040 $60,810,349 2019 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
CPRT
COPART INC
Industrials 2.44% 2.68% #17 3
Prev: #14
3.0 15,344 1.1%
P
S
1,445,358 $56,585,766 2017 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
ACGL
ARCH CAP GROUP ...
Financial Services 2.37% 2.46% #18 1
Prev: #19
1.0 -77,480 -11.9%
P
S
572,792 $54,942,209 2018 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
CACI
CACI INTL INC
Technology 2.35% 2.47% #19 1
Prev: #18
1.0 -16,269 -13.7%
P
S
102,392 $54,555,482 2023 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
ULS
UL SOLUTIONS IN...
Industrials 1.98% 1.85% #20 2
Prev: #22
0.8 -43,775 -7.0%
P
S
581,550 $45,861,033 2024 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
ATMU
ATMUS FILTRATIO...
Consumer Cyclical 1.96% 0.81% #21 14
Prev: #35
3.1 446,260 103.7%
P
S
876,720 $45,510,535 2025 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
V
VISA INC
Financial Services 1.82% 1.60% #22 3
Prev: #25
2.7 7,940 7.1%
P
S
120,432 $42,236,707 2017 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
SPGI
S&P GLOBAL INC
Financial Services 1.75% 0.97% #23 10
Prev: #33
2.9 29,825 62.3%
P
S
77,735 $40,623,534 2025 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
WINA
WINMARK CORP
Consumer Cyclical 1.71% 2.04% #24 4
Prev: #20
2.7 70 0.1%
P
S
98,188 $39,760,249 2017 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
CP
CANADIAN PACIFI...
Industrials 1.69% 1.64% #25 1
Prev: #24
2.7 1,680 0.3%
P
S
530,479 $39,110,512 2017 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
FI
FISERV INC
Unknown 0.00% 1.81%
Sold All 😨
(Was: #23)
0.3 -337,120 -100.0%
CLOSED
$— 2021 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
ROP
ROPER TECHNOLOG...
Technology 0.00% 1.34%
Sold All 😨
(Was: #31)
0.3 -64,329 -100.0%
CLOSED
$— 2017 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
PFE
PFIZER INC
Healthcare 0.00% 0.01%
Sold All 😨
(Was: #82)
0.3 -9,219 -100.0%
CLOSED
$— 2018 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
PPL
PPL CORP
Utilities 0.00% 0.01%
Sold All 😨
(Was: #83)
0.3 -5,654 -100.0%
CLOSED
$— 2025 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
Showing 1-25 of 86 holdings

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