MondegarAI
← Tracker

Institutional

SCHWERIN BOYLE CAPITAL MANAGEMENT INC

CIK 0000937522
$788.0M
Reported AUM
47
Positions
Q1 2026
Period
2026-05-14
Filed

The Brief · SCHWERIN BOYLE CAPITAL MANAGEMENT INC · Q1 2026

AI · grounded in 13F

SCHWERIN BOYLE CAPITAL MANAGEMENT INC established a new position in CHTR valued at $15.99M. The fund also opened a new stake in AMZN worth $8.98M. These additions occurred alongside a reduction in 43 existing positions, including a 31.34% decrease in shares of GOOG and a 12.41% decrease in WMT2.

Portfolio · Q1 2026

BERKSHI$103.2MWELLS$51.7MMETA$44.8MGOOG$43.7MAXP$43.4MXOMJPMMASPXCAYISTVZOther$325.3MSI

Top holdings

QoQ vs Q4 2025

#StockIssuerPriceDay %1Y Gr.5Y Gr.Value% of bookΔ shares (QoQ)Status
1BRK/BBERKSHIRE HATH B$103.2M13.10%25,749−10.7%
2WMT2WELLS FARGO$51.7M6.56%91,971−12.4%
3METAMETA PLATFORMS$593.00-5.51%-14.74%67.74%$44.8M5.69%10,238−11.6%
4GOOGALPHABET, INC$365.76-0.95%109.82%172.71%$43.7M5.55%69,594−31.3%
5AXPAMER EXPRESS$310.66-0.60%3.78%93.56%$43.4M5.50%15,925−10.0%
6XOMEXXON MOBIL$149.92-1.39%48.36%212.97%$34.1M4.33%14,430−6.7%
7JPMJP MORGAN CHASE$312.370.48%19.84%133.52%$32.8M4.17%7,930−6.6%
8MAMASTERCARD INC$491.081.93%-16.29%31.00%$24.7M3.14%6,240−11.2%
9SPXCSPX TECH. INC.$227.80-3.53%44.45%241.73%$24.0M3.04%12,500−9.4%
10AYIACUITY INC.$302.04-1.94%12.18%74.53%$20.8M2.63%5,855−7.3%
11STSENSATA TECH$49.84-5.32%86.93%-10.14%$20.7M2.63%85,250−12.7%
12VZVERIZON COMM$45.371.11%10.56%10.94%$18.7M2.37%26,250−6.6%
13ACNACCENTURE PLC$178.25-0.34%-43.13%-39.60%$18.1M2.30%10,385−10.2%
14AGCOAGCO CORP$116.41-2.89%16.44%2.21%$17.4M2.21%11,803−7.3%
15LLOEWS CORP$107.572.43%20.96%104.13%$16.9M2.15%18,875−10.6%
16PSXPHILLIPS 66$183.08-0.58%65.68%201.14%$16.7M2.12%2,928−3.1%
17OXYOCCIDENTAL PETROLEUM$56.93-2.97%36.73%132.42%$16.0M2.03%27,778−10.1%
18CHTRCHARTER COMM.$132.122.38%-66.67%-82.24%$16.0M2.03%+74,095NEW
19SCHFSCHWAB INTL EQUITY ETF$26.81-3.77%26.99%57.05%$15.7M1.99%74,119−10.5%
20PFEPFIZER INC$26.041.36%19.31%-21.41%$15.3M1.94%40,925−7.0%
21KOCOCA COLA$79.483.46%14.62%60.54%$14.8M1.88%25,580−11.6%
22VWOVANGUARD FTSE EMERGING MARKET$58.03-3.78%23.65%32.53%$14.3M1.82%31,056−10.5%
23MCKMCKESSON CORP$775.662.47%9.36%290.98%$13.8M1.76%7,550−32.1%
24GNTXGENTEX CORP$24.63-1.68%17.40%-21.13%$13.6M1.72%74,432−10.7%
25SLBSLB$54.87-5.41%67.83%112.39%$13.3M1.68%17,375−6.3%
26ALLEALLEGION PLC$130.16-0.15%-5.76%1.51%$9.3M1.18%4,217−6.2%
27ITGARTNER INC$164.02-0.52%-61.18%-38.04%$9.3M1.18%5,525−8.6%
28DGDOLLAR GENERAL$103.700.17%-6.76%-51.68%$9.0M1.14%9,243−10.8%
29AMZNAMAZON.COM$246.03-3.06%15.20%47.87%$9.0M1.14%+43,150NEW
30CTSHCOGNIZANT TECH$53.21-0.36%-32.32%-21.38%$8.2M1.04%13,741−9.3%
31FISVFISERV INC$54.43-3.20%$7.9M1.00%17,082−10.8%
32CORCENCORA INC$275.041.75%$7.4M0.94%3,688−13.5%
33ICEINTERCONT'L EXCH$141.50-0.39%$7.3M0.92%6,875−13.0%
34LUVSOUTHWEST AIR$41.540.56%$6.9M0.88%21,673−10.5%
35MSFTMICROSOFT$416.67-2.66%$6.8M0.86%+10+0.1%
36AEBIAEBI-SCHMIDT$11.51-5.35%$6.7M0.85%82,106−10.6%
37FWONKLIBERTY MED FORM 1$87.681.99%$6.3M0.80%700−0.9%
38XMTRXOMETRY INC-A$80.66-2.47%$6.2M0.78%17,713−10.5%
39EVTCEVERTEC, INC$22.34-1.76%$5.5M0.70%22,823−10.5%
40DFJWISDOMTREE JPN S$104.78-1.50%$5.3M0.68%6,134−10.5%
41PYPLPAYPAL HOLDINGS$41.29-3.42%$4.3M0.55%5,125−5.1%
42BUDANHEUSER BUSCH$78.500.74%$3.0M0.38%475−1.1%
43LLYVALIBERTY LIVE A$90.612.22%$2.4M0.30%6,649−20.4%
44BRK/ABERKSHIRE HATH A$1.4M0.18%HELD
45WABWABTEC CORP$260.40-0.81%$668K0.08%318−10.6%
46LLYVKLIBERTY LIVE C$93.351.99%$320K0.04%29−0.8%
47DNOWNOW INC$13.23-2.00%$151K0.02%HELD
48IBMINTL BUS MACHINES$284.84-5.61%750EXITED

Source: SEC EDGAR · accession 0001376474-26-000375. 13F discloses long positions only — shorts, foreign equities, and options are excluded.