Port Capital LLC

CIK 0001729212 · CHICAGO, IL · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source

Port Capital LLC reported 108 positions worth $2.45B as of June 30, 2026 (13F filed August 14, 2026). Largest holding: HEI-A (8.5%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$2.45B
2026 Q2
Positions
108
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
51.1%
Est. Net Flow (Q)
2026 Q2
10 / 108 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1HEI-AHEICO CORP NEWSH$207.5M8.47%804,484
2RBCRBC BEARINGS INCSH$187.0M7.63%290,280
3TDYTELEDYNE TECHNOLOGIES INCSH$162.9M6.65%244,265
4APHAMPHENOL CORPSH$131.1M5.35%743,744
5SPXCSPX TECHNOLOGIES INCSH$109.2M4.46%445,236
6AMEAMETEK INCSH$102.4M4.18%423,376
7WTSWATTS WATER TECHNOLOGIES INCSH$97.4M3.98%248,896
8LINLINDE PLCSH$87.3M3.56%168,238
9ORLYOREILLY AUTOMOTIVE INCSH$85.5M3.49%928,311
10SSDSIMPSON MFG INCSH$82.6M3.37%394,379

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does Port Capital LLC hold as of Q2 2026?

Port Capital LLC reported 108 positions worth $2.45B in its Q2 2026 13F filing. Largest positions: HEI-A (8.5%), RBC (7.6%), TDY (6.6%), APH (5.4%) and SPXC (4.5%).

What did Port Capital LLC buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did Port Capital LLC sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.