BISLETT MANAGEMENT, LLC — 13F Holdings & Portfolio

CIK 1425041 · latest 13F-HR filed 2026-08-11

BISLETT MANAGEMENT, LLC manages $147.6M in 13F-reported U.S. long-equity assets across 18 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are WSC (18.17%), BRK.A (17.76%), SIRI (12.01%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions, exited 0, added to 11, and trimmed 3.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Filer Information
Address
PO BOX 61179
PALO ALTO, CA 94306-1179
Phone
(650) 322-7600
Filing Manager
BISLETT MANAGEMENT, LLC
Palo Alto, CA
Signatory
James D. Harris
Manager
Loading holdings…
AUM

$147.6M

Long-equity book

Holdings

18

Distinct positions

Period

2026-06-30

Filed 2026-08-11

Q/Q Activity

+0 / −0 / ↑11 / ↓3

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • WILLSCOT HLDGS CORP$9.4M +53.8%
  • SIRIUSXM HOLDINGS INC$3.9M +28.0%
  • ALPHABET INC$3.3M +23.2%
  • ATLANTA BRAVES HLDGS INC$950.6K +21.5%
  • COMCAST CORP$807.4K +17.6%
Show all 11

Top Trims

  • LIBERTY BROADBAND CORP-$2.4M -33.7%
  • LIBERTY CAP CORP-$1.9M -37.0%
  • LIBERTY CAP CORP-$573.8K -20.8%
Show all 3

New Positions

  • No new positions this quarter.
Show all 0

Exited Positions

  • No exits this quarter.
Show all 0
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 WILLSCOT HLDGS CORP WSC 971378104 $26.8M 18.17% 929,522 SH
2 BERKSHIRE HATHAWAY INC BRK.A 084670108 $26.2M 17.76% 35 SH
3 SIRIUSXM HOLDINGS INC SIRI 829933100 $17.7M 12.01% 600,000 SH
4 ALPHABET INC GOOG 02079K107 $17.7M 11.97% 50,000 SH
5 COCA-COLA CO KO 191216100 $8.1M 5.51% 100,000 SH
6 LIBERTY MEDIA CORP DEL FWONA 531229771 $6.1M 4.15% 70,000 SH
7 BERKSHIRE HATHAWAY INC BRK.B 084670702 $5.5M 3.73% 11,000 SH
8 COMCAST CORP CMCSA 20030N101 $5.4M 3.66% 220,000 SH
9 ATLANTA BRAVES HLDGS INC BATRK 047726302 $5.4M 3.63% 103,330 SH
10 LIBERTY BROADBAND CORP LBRDA 530307107 $4.7M 3.16% 140,000 SH
11 ATLANTA BRAVES HLDGS INC BATRA 047726104 $4.2M 2.86% 75,000 SH
12 AMRIZE LTD. AMRZ H2927K103 $4.0M 2.71% 75,000 SH
13 LIBERTY LIVE HOLDINGS INC LLYVK 530909308 $3.7M 2.50% 35,000 SH
14 LIBERTY LIVE HOLDINGS INC LLYVA 530909100 $3.5M 2.40% 35,000 SH
15 LIBERTY CAP CORP GLIBK 36164V800 $3.2M 2.19% 150,000 SH
16 MARTIN MARIETTA MATERIALS INC MLM 573284106 $2.9M 1.95% 5,000 SH
17 LIBERTY CAP CORP GLIBA 36164V602 $2.2M 1.48% 100,000 SH
18 VERSANT MEDIA GROUP INC VSNT 925283103 $230.5K 0.16% 6,400 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-11 $147.6M 18 0000935836-26-000381
2026-03-31 2026-05-11 $129.6M 18 0000935836-26-000235
2025-12-31 2026-02-17 $131.8M 17 0000935836-26-000094
2025-09-30 2025-11-13 $138.1M 16 0000935836-25-000663