Institutional Manager · CIK 0001425041
BISLETT MANAGEMENT, LLC
Palo Alto, CA · File #028-12659
Latest AUM
$131.8M
Positions
17
Top-10 Concentration
83.2%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| NEW | GCI LIBERTY INC | GLIBK | +138,033 | +$5.1M | $0 |
| EXITED | LIBERTY MEDIA CORP DEL | 531229722 | -40,000 | -$3.9M | $0 |
| EXITED | LIBERTY MEDIA CORP DEL | 531229748 | -40,000 | -$3.8M | $0 |
| NEW | LIBERTY LIVE HOLDINGS INC | LLYVK | +35,000 | +$2.9M | $0 |
| REDUCE | SIRIUSXM HOLDINGS INC | 829933100 | -143,306 | -$2.9M | -$2.4M |
| NEW | LIBERTY LIVE HOLDINGS INC | LLYVK | +35,000 | +$2.9M | $0 |
| REDUCE | COMCAST CORP | CCZ | -90,000 | -$2.7M | -$382,500 |
| ADD | GCI LIBERTY INC | GLIBK | +35,000 | +$1.3M | -$27,400 |
| REDUCE | LIBERTY MEDIA CORP DEL | FWONB | -10,000 | -$893,800 | -$467,200 |
| REDUCE | ALPHABET INC | GOOG | 0 | $0 | +$3.5M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202517 pos · $131.8M
- 13F HOLDINGS REPORTQ/E Sep 202516 pos · $138.1M
- 13F HOLDINGS REPORTQ/E Jun 202515 pos · $146.2M
- 13F HOLDINGS REPORTQ/E Mar 202514 pos · $141.3M
- 13F HOLDINGS REPORTQ/E Dec 202413 pos · $141.3M
- 13F HOLDINGS REPORTQ/E Sep 202413 pos · $149.4M
- 13F HOLDINGS REPORTQ/E Jun 202415 pos · $139.0M
- 13F HOLDINGS REPORTQ/E Mar 202416 pos · $159.6M
- 13F HOLDINGS REPORTQ/E Dec 202315 pos · $141.8M
Top 17 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | BERKSHIRE HATHAWAY INC | BRK-A | 35 | $26.4M | 20.04% |
| 2 | WILLSCOT HOLDINGS CORP | WSC | 1,005,000 | $18.9M | 14.35% |
| 3 | ALPHABET INC | GOOG | 50,000 | $15.7M | 11.90% |
| 4 | SIRIUSXM HOLDINGS INC | 829933100 | 600,000 | $12.0M | 9.10% |
| 5 | LIBERTY BROADBAND CORP | LBRDP | 165,000 | $8.0M | 6.04% |
| 6 | COCA-COLA CO | KO | 100,000 | $7.0M | 5.30% |
| 7 | LIBERTY MEDIA CORP DEL | FWONB | 70,000 | $6.3M | 4.75% |
| 8 | BERKSHIRE HATHAWAY INC | BRK-A | 11,000 | $5.5M | 4.19% |
| 9 | GCI LIBERTY INC | GLIBK | 138,033 | $5.1M | 3.90% |
| 10 | COMCAST CORP | CCZ | 160,000 | $4.8M | 3.63% |
| 11 | ATLANTA BRAVES HLDGS INC | BATRB | 103,330 | $4.1M | 3.09% |
| 12 | AMRIZE LTD | AMRZ | 60,000 | $3.2M | 2.46% |
| 13 | ATLANTA BRAVES HLDGS INC | BATRB | 75,000 | $3.2M | 2.42% |
| 14 | MARTIN MARIETTA MATERIALS INC | 573284106 | 5,000 | $3.1M | 2.36% |
| 15 | LIBERTY LIVE HOLDINGS INC | LLYVK | 35,000 | $2.9M | 2.21% |
| 16 | LIBERTY LIVE HOLDINGS INC | LLYVK | 35,000 | $2.9M | 2.16% |
| 17 | GCI LIBERTY INC | GLIBK | 75,000 | $2.8M | 2.10% |