CIK: 0001425041
Total reported value
$129.6M
Reporting period: 2026-03-31 · Number of holdings: 18
BISLETT MANAGEMENT, LLC disclosed 18 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $129.6M and a quarterly turnover rate of 8.2%.
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Bislett Management, LLC's disclosed holdings carry a Herfindahl concentration index of 0.097 — mathematically equivalent to about 10 equally-sized positions, well below its 18 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes are fairly uniform across the portfolio (a coefficient of variation of 0.89), suggesting a disciplined, rules-based approach to how much capital goes into each idea.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Sector classification currently covers about 54% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
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Add SIRI
0.0% $1.9M
Trim WSC
0.0% -$1.5M
Trim GOOG
0.0% -$1.3M
Trim BRK-A
0.0% -$1.3M
Trim LBRDA
-15.2% -$935.4K
Add KO
0.0% $614.0K
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | BRK-A | Berkshire Hathaway Inc-cl A | Stock-Other | 19.39% | -0.65% | — | |
| 2 | WSC | Willscot Holdings CORP | Stock-Industrials | 13.46% | -0.89% | — | |
| 3 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 11.06% | -0.84% | — | |
| 4 | SIRI | Sirius Xm Holdings INC | Stock-Comm Services | 10.68% | +1.58% | — | |
| 5 | KO | Coca-cola Co/the | Stock-Consumer Staples | 5.87% | +0.57% | — | |
| 6 | LBRDA | Liberty Broadband-a | Stock-Other | 5.42% | -0.62% | -15.15% | |
| 7 | FWONA | Liberty Media Corp-formula-a | Stock-Other | 4.22% | -0.53% | — | |
| 8 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 4.07% | -0.12% | — | |
| 9 | GLIBK | Liberty Capital Corp-cl C | Stock-Other | 3.96% | +0.06% | — | |
| 10 | CMCSA | Comcast Corp-class A | Stock-Comm Services | 3.54% | -0.09% | — | |
| 11 | BATRK | Atlanta Braves Holdings In-c | Stock-Other | 3.40% | +0.31% | — | |
| 12 | BATRA | Atlanta Braves Holdings In-a | Stock-Other | 2.73% | +0.31% | — | |
| 13 | AMRZ | Amrize Ltd | Stock-Materials | 2.59% | +0.13% | — | |
| 14 | LLYVK | Liberty Live Holdings-c | Stock-Other | 2.54% | +0.33% | — | |
| 15 | LLYVA | Liberty Live Holdings-a | Stock-Other | 2.47% | +0.31% | — | |
| 16 | MLM | Martin Marietta Materials | Stock-Materials | 2.27% | -0.09% | — | |
| 17 | GLIBA | Liberty Capital CORP | Stock-Other | 2.13% | +0.03% | — | |
| 18 | VSNT | Versant Media Group INC | Stock-Comm Services | 0.18% | +0.18% | NEW |
Performance for Q3 2026
+1.4%
Performance Last 4 Quarters
+12.2%
Based on 55% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 18 | $129.6M | 8 | |
| 2025-12-31 | 17 | $131.8M | 29 | |
| 2025-09-30 | 16 | $138.1M | 17 | |
| 2025-06-30 | 15 | $146.2M | 0 | |
| 2025-03-31 | 14 | $141.3M | 100 | |
| 2024-12-31 | 13 | $141.3M | 0 | |
| 2024-09-30 | 13 | $149.4M | 0 | |
| 2024-06-30 | 15 | $139.0M | 0 | |
| 2024-03-31 | 16 | $159.6M | 0 | |
| 2023-12-31 | 16 | $156.3M | 0 | |
| 2023-09-30 | 15 | $141.8M | 0 | |
| 2023-06-30 | 13 | $154.6M | 0 | |
| 2023-03-31 | 13 | $150.6M | 0 | |
| 2022-12-31 | 13 | $138.9M | 0 | |
| 2022-09-30 | 15 | $145.8M | 0 | |
| 2022-06-30 | 14 | $151.6M | 0 | |
| 2022-03-31 | 14 | $190.8M | 0 | |
| 2021-12-31 | 15 | $207.7M | 0 | |
| 2021-09-30 | 15 | $201.4M | 0 | |
| 2021-06-30 | 15 | $203.6M | 99 | |
| 2021-03-31 | 15 | $198.4M | 21 | |
| 2020-12-31 | 16 | $178.4M | 48 | |
| 2020-09-30 | 17 | $161.1M | 48 | |
| 2020-06-30 | 18 | $144.7M | 19 | |
| 2020-03-31 | 17 | $125.9M | 32 | |
| 2019-12-31 | 18 | $174.5M | 24 | |
| 2019-09-30 | 18 | $168.8M | 11 | |
| 2019-06-30 | 18 | $164.1M | 13 | |
| 2019-03-31 | 20 | $165.5M | 18 | |
| 2018-12-31 | 20 | $148.8M | 22 | |
| 2018-09-30 | 20 | $185.9M | 13 | |
| 2018-06-30 | 21 | $180.6M | 28 | |
| 2018-03-31 | 22 | $179.9M | 36 | |
| 2017-12-31 | 23 | $172.3M | 15 | |
| 2017-09-30 | 24 | $168.3M | 15 | |
| 2017-06-30 | 24 | $164.2M | 14 | |
| 2017-03-31 | 26 | $159.8M | 18 | |
| 2016-12-31 | 26 | $154.5M | 25 | |
| 2016-09-30 | 29 | $151.1M | 11 | |
| 2016-06-30 | 25 | $144.8M | 19 | |
| 2016-03-31 | 22 | $147.7M | 33 | |
| 2015-12-31 | 24 | $144.0M | 9 | |
| 2015-09-30 | 26 | $142.5M | 14 | |
| 2015-06-30 | 25 | $145.5M | 12 | |
| 2015-03-31 | 26 | $158.6M | 97 | |
| 2014-12-31 | 26 | $147.9M | 0 | |
| 2014-09-30 | 26 | $152.5M | 16 | |
| 2014-06-30 | 26 | $168.1M | 9 | |
| 2014-03-31 | 25 | $158.5M | 16 | |
| 2013-12-31 | 25 | $154.7M | 14 | |
| 2013-09-30 | 28 | $152.8M | 9 | |
| 2013-06-30 | 28 | $150.5M | 0 |
Bislett Management, LLC's most significant position changes for 2026-03-31: New buy: Versant Media Group INC (VSNT); Trim: Liberty Broadband-a (LBRDA) — shares -15.15%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | SIRI | Sirius Xm Holdings INC | +1.6% | — | Unchanged |
| 2 | KO | Coca-cola Co/the | +0.6% | — | Unchanged |
| 3 | LLYVK | Liberty Live Holdings-c | +0.3% | — | Unchanged |
| 4 | LLYVA | Liberty Live Holdings-a | +0.3% | — | Unchanged |
| 5 | BATRA | Atlanta Braves Holdings In-a | +0.3% | — | Unchanged |
| 6 | BATRK | Atlanta Braves Holdings In-c | +0.3% | — | Unchanged |
| 7 | AMRZ | Amrize Ltd | +0.1% | — | Unchanged |
| 8 | GLIBK | Liberty Capital Corp-cl C | +0.1% | — | Unchanged |
| 9 | GLIBA | Liberty Capital CORP | 0% | — | Unchanged |
| 10 | CMCSA | Comcast Corp-class A | -0.1% | — | Unchanged |
| 11 | MLM | Martin Marietta Materials | -0.1% | — | Unchanged |
| 12 | BRK-B | Berkshire Hathaway Inc-cl B | -0.1% | — | Unchanged |
| 13 | FWONA | Liberty Media Corp-formula-a | -0.5% | — | Unchanged |
| 14 | LBRDA | Liberty Broadband-a | -0.6% | -15.15% | Trim |
| 15 | BRK-A | Berkshire Hathaway Inc-cl A | -0.7% | — | Unchanged |
| 16 | GOOG | Alphabet Inc-cl C | -0.8% | — | Unchanged |
| 17 | WSC | Willscot Holdings CORP | -0.9% | — | Unchanged |
| 18 | VSNT | Versant Media Group INC | — | NEW | New buy |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-05-11 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-02-17 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-11-13 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-08-11 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-05-14 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-02-12 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-10-30 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-08-13 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-05-15 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-01-24 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-11-13 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-08-09 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-05-12 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-02-13 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-11-14 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-08-10 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-05-13 | 13F-HR | View on EDGAR |
| 2021-12-31 | 2022-02-03 | 13F-HR | View on EDGAR |
| 2021-09-30 | 2021-11-12 | 13F-HR | View on EDGAR |
| 2021-06-30 | 2021-08-02 | 13F-HR | View on EDGAR |
| 2021-03-31 | 2021-05-11 | 13F-HR | View on EDGAR |
| 2020-12-31 | 2021-02-12 | 13F-HR | View on EDGAR |
| 2020-09-30 | 2020-11-10 | 13F-HR | View on EDGAR |
| 2020-06-30 | 2020-08-06 | 13F-HR | View on EDGAR |
| 2020-03-31 | 2020-05-12 | 13F-HR | View on EDGAR |
| 2019-12-31 | 2020-02-11 | 13F-HR | View on EDGAR |
| 2019-09-30 | 2019-11-13 | 13F-HR | View on EDGAR |
| 2019-06-30 | 2019-08-06 | 13F-HR | View on EDGAR |
| 2019-03-31 | 2019-05-10 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-02-05 | 13F-HR | View on EDGAR |
| 2018-09-30 | 2018-11-08 | 13F-HR | View on EDGAR |
| 2018-06-30 | 2018-08-13 | 13F-HR | View on EDGAR |
| 2018-03-31 | 2018-05-11 | 13F-HR | View on EDGAR |
| 2017-12-31 | 2018-02-06 | 13F-HR | View on EDGAR |
| 2017-09-30 | 2017-11-13 | 13F-HR | View on EDGAR |
| 2017-06-30 | 2017-08-10 | 13F-HR | View on EDGAR |
| 2017-03-31 | 2017-05-12 | 13F-HR | View on EDGAR |
| 2016-12-31 | 2017-02-13 | 13F-HR | View on EDGAR |
| 2016-09-30 | 2016-11-04 | 13F-HR | View on EDGAR |
| 2016-06-30 | 2016-08-04 | 13F-HR | View on EDGAR |
| 2016-03-31 | 2016-05-12 | 13F-HR | View on EDGAR |
| 2015-12-31 | 2016-02-12 | 13F-HR | View on EDGAR |
| 2015-09-30 | 2015-11-10 | 13F-HR | View on EDGAR |
| 2015-06-30 | 2015-08-14 | 13F-HR | View on EDGAR |
| 2015-03-31 | 2015-05-12 | 13F-HR | View on EDGAR |
| 2014-12-31 | 2015-08-14 | Amendment | View on EDGAR |
| 2014-12-31 | 2015-02-17 | 13F-HR | View on EDGAR |
| 2014-09-30 | 2014-11-13 | 13F-HR | View on EDGAR |
| 2014-06-30 | 2014-08-11 | 13F-HR | View on EDGAR |
| 2014-03-31 | 2014-05-09 | 13F-HR | View on EDGAR |
| 2013-12-31 | 2014-02-11 | 13F-HR | View on EDGAR |
| 2013-09-30 | 2013-11-06 | 13F-HR | View on EDGAR |
| 2013-06-30 | 2013-08-09 | 13F-HR | View on EDGAR |
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