13F Filings History of Port Capital LLC

Latest 13F report
Q4 2025 - 17 Feb 2026
Value $
$2,318,692,729
Signature - Title
Tracy Rothmeyer - Chief Operating Officer and Chief Compliance Officer
Location
Chicago, IL
Summary
This page shows a list of all the recent 13F filings made by Port Capital LLC. Form 13F is required to be filed within 45 days of the end of a calendar quarter. Port Capital LLC reported 82 stock holdings with total value $2,318,692,729 as of Q4 2025. Top holdings included HEIA, RBC, APH, TDY, and AME.

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Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Filing Time
Q4 2025 82 $2,318,692,729 +$125,367,577 -$195,037,915 -$69,670,338 HEIA, RBC, APH, TDY, AME 13F-HR 17 Feb 2026, 16:16
Q3 2025 84 $2,399,414,000 +$74,623,003 -$72,014,754 +$2,608,249 HEIA, RBC, APH, TDY, ORLY 13F-HR 14 Nov 2025, 15:32
Q2 2025 85 $2,351,643,000 +$152,613,495 -$24,620,185 +$127,993,310 HEIA, RBC, APH, RLI, TDY 13F-HR 14 Aug 2025, 16:31
Q1 2025 87 $2,205,578,000 +$97,684,410 -$77,742,959 +$19,941,451 HEIA, RLI, RBC, ORLY, TDY 13F-HR 15 May 2025, 16:23
Q4 2024 88 $2,190,989,000 +$52,803,544 -$40,306,808 +$12,496,736 HEIA, RLI, RBC, APH, TDY 13F-HR 14 Feb 2025, 16:14
Q3 2024 87 $2,231,153,000 +$60,783,740 -$31,285,665 +$29,498,075 HEIA, RLI, RBC, APH, TDY 13F-HR 14 Nov 2024, 15:32
Q2 2024 85 $1,995,910,000 +$117,311,936 -$14,030,112 +$103,281,824 HEIA, RLI, RBC, CPRT, APH 13F-HR 14 Aug 2024, 16:04
Q1 2024 87 $1,994,958,000 +$87,064,406 -$60,368,966 +$26,695,440 HEIA, RLI, CPRT, RBC, TDY 13F-HR 15 May 2024, 16:05
Q4 2023 89 $1,792,540,000 +$60,945,461 -$37,488,600 +$23,456,861 HEIA, RBC, TDY, RLI, CPRT 13F-HR 15 Feb 2024, 09:27
Q3 2023 80 $1,602,182,000 +$62,111,557 -$58,908,421 +$3,203,136 HEIA, RLI, TDY, RBC, CPRT 13F-HR 14 Nov 2023, 16:18
Q2 2023 80 $1,662,181,000 +$123,807,499 -$75,883,078 +$47,924,421 HEIA, RLI, TDY, RBC, CPRT 13F-HR 14 Aug 2023, 16:11
Q1 2023 71 $1,538,792,000 +$120,925,058 -$56,165,684 +$64,759,374 HEIA, TDY, RLI, RBC, IEX 13F-HR 15 May 2023, 16:11
Q4 2022 68 $1,383,406,000 +$71,044,827 -$55,777,425 +$15,267,402 HEIA, RLI, TDY, RBC, IEX 13F-HR 14 Feb 2023, 17:36
Q3 2022 69 $1,231,638,000 +$44,657,677 -$45,325,914 -$668,237 HEIA, RBC, RLI, TDY, IEX 13F-HR 14 Nov 2022, 17:05
Q2 2022 71 $1,277,068,000 +$32,290,095 -$41,352,977 -$9,062,882 HEIA, RLI, TDY, RBC, IEX 13F-HR 15 Aug 2022, 09:10
Q1 2022 71 $1,446,376,000 +$44,261,077 -$117,386,215 -$73,125,138 HEIA, TDY, RBC, RLI, AME 13F-HR 16 May 2022, 17:13
Q4 2021 80 $1,625,990,000 +$105,458,792 -$667,121,013 -$561,662,221 HEIA, TDY, RBC, RLI, IEX 13F-HR 14 Feb 2022, 16:43
Q3 2021 81 $1,981,120,000 +$116,593,431 -$49,598,812 +$66,994,619 HEIA, TDY, RBC, CPRT, IEX 13F-HR 15 Nov 2021, 17:00
Q2 2021 83 $1,920,580,000 +$194,393,078 -$79,727,961 +$114,665,117 HEIA, TDY, CPRT, RBC, IEX 13F-HR 16 Aug 2021, 15:55
Q1 2021 83 $1,766,318,000 +$309,987,435 -$45,936,110 +$264,051,325 HEIA, TDY, RBC, CPRT, IEX 13F-HR 17 May 2021, 16:14
Q4 2020 81 $1,469,497,000 +$129,273,392 -$43,268,648 +$86,004,744 HEIA, RBC, TDY, CPRT, RLI 13F-HR 16 Feb 2021, 16:18
Q3 2020 76 $1,160,705,000 +$98,439,466 -$54,356,934 +$44,082,532 HEIA, CPRT, TDY, RLI, IEX 13F-HR 16 Nov 2020, 15:59
Q2 2020 75 $1,037,663,000 +$209,956,344 -$11,874,232 +$198,082,112 HEIA, RLI, IEX, CPRT, RBC Restatement 17 Aug 2020, 13:30
Q1 2020 74 $718,983,000 +$72,860,099 -$46,008,871 +$26,851,228 HEIA, RLI, AME, CP, IEX 13F-HR 15 May 2020, 16:01
Q4 2019 97 $906,229,000 +$101,904,972 -$105,329,150 -$3,424,178 HEIA, AME, CP, RLI, RBC 13F-HR 14 Feb 2020, 16:34
Q3 2019 118 $876,229,000 +$57,333,144 -$41,511,884 +$15,821,260 HEIA, AME, HXL, RLI, RBC 13F-HR 14 Nov 2019, 15:43
Q2 2019 127 $848,334,000 +$52,255,741 -$30,477,734 +$21,778,007 HEIA, AME, HXL, RBC, RLI 13F-HR 14 Aug 2019, 14:04
Q1 2019 126 $764,600,000 +$51,337,344 -$27,175,431 +$24,161,913 HEIA, AME, HXL, RLI, KAR 13F-HR 15 May 2019, 12:30
Q4 2018 127 $657,833,000 +$74,379,262 -$147,294,889 -$72,915,627 HEIA, AME, RLI, HXL, CP 13F-HR 13 Feb 2019, 16:24
Q3 2018 156 $825,013,000 +$103,757,585 -$41,848,495 +$61,909,090 HEIA, AME, RLI, HXL, RBC 13F-HR 13 Nov 2018, 19:39
Q2 2018 145 $718,793,000 +$80,909,589 -$164,662,184 -$83,752,595 HEIA, AME, RLI, HXL, PX 13F-HR 11 Jul 2018, 15:37
Q1 2018 147 $707,179,000 +$47,890,216 -$28,105,653 +$19,784,563 HEIA, AME, HXL, RLI, LTXB Restatement 08 May 2018, 13:25
Q4 2017 150 $707,850,000 $0 $0 $0 HEIA, AME, HXL, RLI, PX Restatement 01 Mar 2018, 15:13