BISLETT MANAGEMENT, LLC
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 filingsBISLETT 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
What does BISLETT MANAGEMENT, own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| BRK/A BERKSHIRE HATHAWAY INC-CL A | Financials | 35 | $25.1M | 19.4% | Held |
| WSC WILLSCOT HOLDINGS CORP | Services media | 1.0M | $17.4M | 13.5% | Held |
| GOOG ALPHABET INC-CL C | Technology | 50.0K | $14.3M | 11.1% | Held |
| SIRI SIRIUS XM HOLDINGS INC | Communications | 600.0K | $13.8M | 10.7% | Held |
| KO COCA-COLA CO/THE | Consumer staples | 100.0K | $7.6M | 5.9% | Held |
| LBRDA LIBERTY BROADBAND-A | Communications | 140.0K | $7.0M | 5.4% | -15.2% |
| FWONA LIBERTY MEDIA CORP-FORMULA-A | Communications | 70.0K | $5.5M | 4.2% | Held |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 11.0K | $5.3M | 4.1% | Held |
| GLIBK LIBERTY CAPITAL CORP-CL C | Communications | 138.0K | $5.1M | 4.0% | Held |
| CMCSA COMCAST CORP-CLASS A | Communications | 160.0K | $4.6M | 3.5% | Held |
| BATRK ATLANTA BRAVES HOLDINGS IN-C | Services media | 103.3K | $4.4M | 3.4% | Held |
| BATRA ATLANTA BRAVES HOLDINGS IN-A | Services media | 75.0K | $3.5M | 2.7% | Held |
| AMRZ AMRIZE LTD | Industrials | 60.0K | $3.4M | 2.6% | Held |
| LLYVK LIBERTY LIVE HOLDINGS-C | Services media | 35.0K | $3.3M | 2.5% | Held |
| LLYVA LIBERTY LIVE HOLDINGS-A | Services media | 35.0K | $3.2M | 2.5% | Held |
| MLM MARTIN MARIETTA MATERIALS | Materials | 5.0K | $2.9M | 2.3% | Held |
| GLIBA LIBERTY CAPITAL CORP | Communications | 75.0K | $2.8M | 2.1% | Held |
| VSNT VERSANT MEDIA GROUP INC | Communications | 6.4K | $237K | 0.2% | New |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 11, 2026 | 18 | $129.6M | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 17 | $131.8M | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 13, 2025 | 16 | $138.1M | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 11, 2025 | 15 | $146.2M | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 14, 2025 | 14 | $141.3M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 12, 2025 | 13 | $141.3M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Oct 30, 2024 | 13 | $149.4M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 13, 2024 | 15 | $139.0M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 16 | $159.6M | canonical | SEC ↗ |
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