BISLETT MANAGEMENT, LLC

Fundamental concentrated ★Highest signal CIK 1425041
League rank
#536
in Fundamental concentrated · #2321 overall
Long book
$129.6M
Q1 2026
Positions
18
Top-10 weight
82%
concentration
Last quarter
+13.5%
SPY +14.8%
Turnover
6%
of book per quarter

Strategy in plain words

auto-generated from filings

BISLETT MANAGEMENT, LLC is a concentrated fundamental stock-picker, running a $129.6M US long book across 18 positions.

The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: BERKSHIRE HATHAWAY INC-CL A, WILLSCOT HOLDINGS CORP, ALPHABET INC-CL C, SIRIUS XM HOLDINGS INC, COCA-COLA CO/THE.

Over the last 9 quarters its long book ran on average 4.4pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. We rate its filings highest-signal: new buys here are worth attention.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
-8.1%
Q2 2024
+6.7%
Q3 2024
-4.0%
Q4 2024
-0.3%
Q1 2025
+1.9%
Q2 2025
-5.5%
Q3 2025
-3.0%
Q4 2025
-0.4%
Q1 2026
+13.5%

Sector allocation

Communications
30%
Services media
25%
Financials
23%
Technology
11%
Consumer staples
6%
Industrials
3%
Materials
2%

Long book by quarter

$159.6M
Q1 2024
$139.0M
Q2 2024
$149.4M
Q3 2024
$141.3M
Q4 2024
$141.3M
Q1 2025
$146.2M
Q2 2025
$138.1M
Q3 2025
$131.8M
Q4 2025
$129.6M
Q1 2026

What does BISLETT MANAGEMENT, own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
BRK/A BERKSHIRE HATHAWAY INC-CL AFinancials35$25.1M19.4%Held
WSC WILLSCOT HOLDINGS CORPServices media1.0M$17.4M13.5%Held
GOOG ALPHABET INC-CL CTechnology50.0K$14.3M11.1%Held
SIRI SIRIUS XM HOLDINGS INCCommunications600.0K$13.8M10.7%Held
KO COCA-COLA CO/THEConsumer staples100.0K$7.6M5.9%Held
LBRDA LIBERTY BROADBAND-ACommunications140.0K$7.0M5.4%-15.2%
FWONA LIBERTY MEDIA CORP-FORMULA-ACommunications70.0K$5.5M4.2%Held
BRK/B BERKSHIRE HATHAWAY INC-CL BFinancials11.0K$5.3M4.1%Held
GLIBK LIBERTY CAPITAL CORP-CL CCommunications138.0K$5.1M4.0%Held
CMCSA COMCAST CORP-CLASS ACommunications160.0K$4.6M3.5%Held
BATRK ATLANTA BRAVES HOLDINGS IN-CServices media103.3K$4.4M3.4%Held
BATRA ATLANTA BRAVES HOLDINGS IN-AServices media75.0K$3.5M2.7%Held
AMRZ AMRIZE LTDIndustrials60.0K$3.4M2.6%Held
LLYVK LIBERTY LIVE HOLDINGS-CServices media35.0K$3.3M2.5%Held
LLYVA LIBERTY LIVE HOLDINGS-AServices media35.0K$3.2M2.5%Held
MLM MARTIN MARIETTA MATERIALSMaterials5.0K$2.9M2.3%Held
GLIBA LIBERTY CAPITAL CORPCommunications75.0K$2.8M2.1%Held
VSNT VERSANT MEDIA GROUP INCCommunications6.4K$237K0.2%New

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 11, 202618$129.6M canonicalSEC ↗
Q4 202513F-HRFeb 17, 202617$131.8M canonicalSEC ↗
Q3 202513F-HRNov 13, 202516$138.1M canonicalSEC ↗
Q2 202513F-HRAug 11, 202515$146.2M canonicalSEC ↗
Q1 202513F-HRMay 14, 202514$141.3M canonicalSEC ↗
Q4 202413F-HRFeb 12, 202513$141.3M canonicalSEC ↗
Q3 202413F-HROct 30, 202413$149.4M canonicalSEC ↗
Q2 202413F-HRAug 13, 202415$139.0M canonicalSEC ↗
Q1 202413F-HRMay 15, 202416$159.6M canonicalSEC ↗