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.
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