SEC 13F Intelligence

Managers / Q1 2026

SCHWERIN BOYLE CAPITAL MANAGEMENT INC

CIK 0000937522 · ONE MONARCH PLACE, SUITE 700, SPRINGFIELD, MA, 01144 · 4137840990

Reported Value
$788M
Q1 2026
Positions
47
Filings on Record
30
2019–present window
Filed
May 14, 2026
original filing

Summary

Schwerin Boyle Capital Management Inc reported $788M in U.S.-listed holdings across 47 positions for Q1 2026.

Its largest position, BRK/B, represents 13.1% of the portfolio.

Compared with Q4 2025, the fund opened 2 new positions and exited 1.

Reported Value by Quarter

13F Reported Value
Q4 ’18: $797MQ4 ’18Q1 ’19: $911MQ2 ’19: $957MQ3 ’19: $970MQ4 ’19: $1.0BQ4 ’19Q1 ’20: $716MQ2 ’20: $795MQ3 ’20: $871MQ4 ’20: $1.1BQ4 ’20Q1 ’21: $1.1BQ2 ’21: $1.2BQ3 ’21: $1.2BQ4 ’21: $1.2BQ4 ’21Q1 ’22: $1.2BQ2 ’22: $980MQ3 ’22: $918MQ4 ’22: $991.5BQ4 ’22Q1 ’23: $973MQ2 ’23: $1.1BQ3 ’23: $852MQ4 ’23: $895MQ4 ’23Q1 ’24: $1.0BQ2 ’24: $953MQ3 ’24: $955MQ4 ’24: $975MQ4 ’24Q1 ’25: $970MQ2 ’25: $897MQ3 ’25: $915MQ4 ’25: $913MQ4 ’25Q1 ’26: $788Mfilingsflow.com

Portfolio Composition

By security type
Common Stock: 87.4%Other: 7.0%ETP: 4.5%Tracking Stk: 0.8%ADR: 0.4%
  • Common Stock · 87.4% · $688M
  • Other · 7.0% · $55M
  • ETP · 4.5% · $35M
  • Tracking Stk · 0.8% · $6M
  • ADR · 0.4% · $3M

Quarter-over-Quarter Changes full breakdown →

Holdings — Q1 2026

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Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$788M47May 14, 202613F-HRchanges · EDGAR ↗
Q4 2025$913M46Feb 12, 202613F-HRchanges · EDGAR ↗
Q3 2025$915M47Nov 13, 202513F-HRchanges · EDGAR ↗
Q2 2025$897M51Aug 14, 202513F-HRchanges · EDGAR ↗
Q1 2025$970M53May 14, 202513F-HRchanges · EDGAR ↗
Q4 2024$975M53Feb 13, 202513F-HRchanges · EDGAR ↗
Q3 2024$955M53Nov 13, 202413F-HRchanges · EDGAR ↗
Q2 2024$953M51Aug 13, 202413F-HRchanges · EDGAR ↗
Q1 2024$1.0B52May 14, 202413F-HRchanges · EDGAR ↗
Q4 2023$895M52Feb 13, 202413F-HRchanges · EDGAR ↗
Q3 2023$852M52Nov 13, 202313F-HRchanges · EDGAR ↗
Q2 2023$1.1B47Aug 14, 202313F-HRchanges · EDGAR ↗
Q1 2023$973M44May 12, 202313F-HRchanges · EDGAR ↗
Q4 2022$991.5B46Feb 9, 202313F-HRchanges · EDGAR ↗
Q3 2022$918M47Nov 14, 202213F-HRchanges · EDGAR ↗
Q2 2022$980M48Aug 15, 202213F-HRchanges · EDGAR ↗
Q1 2022$1.2B48May 13, 202213F-HRchanges · EDGAR ↗
Q4 2021$1.2B48Feb 11, 202213F-HRchanges · EDGAR ↗
Q3 2021$1.2B48Nov 15, 202113F-HRchanges · EDGAR ↗
Q2 2021$1.2B47Aug 16, 202113F-HRchanges · EDGAR ↗
Q1 2021$1.1B47May 17, 202113F-HRchanges · EDGAR ↗
Q4 2020$1.1B50Feb 12, 202113F-HRchanges · EDGAR ↗
Q3 2020$871M45Nov 13, 202013F-HRchanges · EDGAR ↗
Q2 2020$795M44Aug 14, 202013F-HRchanges · EDGAR ↗
Q1 2020$716M48May 14, 202013F-HRchanges · EDGAR ↗
Q4 2019$1.0B48Feb 13, 202013F-HRchanges · EDGAR ↗
Q3 2019$970M53Nov 13, 201913F-HRchanges · EDGAR ↗
Q2 2019$957M54Aug 13, 201913F-HRchanges · EDGAR ↗
Q1 2019$911M55May 13, 201913F-HRchanges · EDGAR ↗
Q4 2018$797M58Feb 12, 201913F-HRchanges · EDGAR ↗

13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.