HedgeMountain

Schwerin Boyle Capital Management, Inc

Springfield, MA · CRD 105004
Hedge fund manager

Schwerin Boyle Capital Management, Inc is an SEC-registered investment adviser based in Springfield, MA that reports managing 1 hedge fund on Form ADV. It reports $1.2 billion in regulatory assets under management. Its private funds, of all types, hold $270.0 million in gross assets. Its disclosed U.S. stock holdings returned an estimated -1.8% 2026 YTD through Jun 30 (S&P 500: +9.5%), based on 13F filings. Over a longer period they returned an estimated +18.5% from Q3 2024 to Q2 2026, compared with +37.2% for the S&P 500, based on 13F filings.

Regulatory assets under management
$1.2 billionForm ADV Item 5.F
Gross assets of private funds
$270.0 millionAll private fund types, Form ADV
Hedge funds managed
11 private funds in total
Employees
6Form ADV Item 5.A
Registration
SEC-registered adviserCRD 105004
Latest Form ADV
03/20/2026Disciplinary disclosures: none reported

Estimated 13F portfolio performance

Est. 2026 YTD-1.8%Through Q2 2026 · S&P 500 +9.5%
Est. 2-year return+18.5%Q3 2024 – Q2 2026
S&P 500+37.2%Same quarters, price only
13F holdings$816.0 million49 positions, 2026-06-30
$100$119$137Q3 2024Q1 2025Q3 2025Q1 202613F est. $119S&P 500 $137
QuarterEst. 13F returnS&P 500
Q2 2026+3.6%+14.8%
Q1 2026-5.3%-4.6%
Q4 2025+2.6%+2.4%
Q3 2025+3.1%+7.8%
Q2 2025+4.9%+10.4%
Q1 2025+0.3%-4.5%
Q4 2024+1.9%+2.1%
Q3 2024+6.5%+5.4%

Estimate of the firm's disclosed long U.S. stock portfolio from its quarterly 13F filings, holding each quarter-end portfolio to the next quarter-end at prices implied by all 13F filers. It is a price return before dividends and fees, ignores shorts, options, bonds, cash and trading within the quarter, and is not the return of any fund. Disclosures

Largest disclosed holdings

  • Berkshire Hathaway Inc Del CL B New$106.6 million
  • Alphabet, Inc Non-voting Class$52.2 million
  • Wells Fargo Co New Com$50.8 million
  • American Express Co Com$47.2 million
  • Meta Platforms, Inc.$43.5 million
  • J P Morgan Chase & Co.$36.0 million
  • SPX Technologies Inc$28.9 million
  • Acuity Brands Inc Com$27.4 million
  • 30233q108$27.0 million
  • Sensata Technologies Hldg PL$26.7 million

As of 2026-06-30, from 13F filing by Schwerin Boyle Capital Management Inc.

From SEC filings. Firm data comes from the SEC's Form ADV data as of Oct 2, 2026; performance estimates come from Form 13F. HedgeMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures