Marble Bar Asset Management LLP
Long book
$101.8M
Q1 2026
Positions
30
Top-10 weight
83%
concentration
Last quarter
+13.4%
SPY +14.8%
Turnover
76%
of book per quarter
Strategy in plain words
auto-generated from filingsMarble Bar Asset Management LLP is a concentrated fundamental stock-picker, running a $101.8M US long book across 30 positions.
The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is high — positions rotate quickly, so individual names matter less than the process. Current anchor positions: NORFOLK SOUTHERN CORP, VISTANCE NETWORKS INC, WARNER BROS DISCOVERY INC, NEWS CORP - CLASS B, ECHOSTAR CORP-A.
We rate its filings as signal-bearing: position changes reflect genuine views.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q4 2025
-4.9%
Q1 2026
+13.4%
Sector allocation
Industrials 54%
Communications 15%
Technology 9%
Other 7%
Healthcare 5%
Services media 5%
Consumer discretionary 2%
Utilities 2%
Long book by quarter
What does Marble Bar own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| NSC NORFOLK SOUTHERN CORP | Industrials | 185.0K | $53.1M | 52.1% | New |
| VISN VISTANCE NETWORKS INC | Technology | 338.0K | $6.2M | 6.0% | New |
| WBD WARNER BROS DISCOVERY INC | Communications | 159.4K | $4.4M | 4.3% | +1328.3% |
| NWS NEWS CORP - CLASS B | Other | 150.8K | $4.3M | 4.2% | New |
| ECHO ECHOSTAR CORP-A | Communications | 35.9K | $4.2M | 4.1% | New |
| FWONA LIBERTY MEDIA CORP-FORMULA-A | Communications | 43.0K | $3.9M | 3.9% | New |
| BRSL BRIGHTSTAR LOTTERY PLC | Services media | 198.2K | $2.5M | 2.5% | New |
| ATEX ANTERIX INC | Communications | 53.5K | $2.0M | 2.0% | +303.4% |
| RNA ATRIUM THERAPEUTICS INC | Healthcare | 147.0K | $2.0M | 1.9% | New |
| HO1 HOLOGIC INC | — | 24.2K | $1.8M | 1.8% | New |
| LE LANDS' END INC | Consumer discretionary | 133.5K | $1.5M | 1.5% | New |
| PRTH PRIORITY TECHNOLOGY HOLDINGS | Services media | 295.3K | $1.4M | 1.4% | New |
| TBPH THERAVANCE BIOPHARMA INC | Healthcare | 85.1K | $1.4M | 1.4% | New |
| EA ELECTRONIC ARTS INC | Technology | 6.6K | $1.3M | 1.3% | +208.5% |
| VG VENTURE GLOBAL INC-CL A | Utilities | 79.3K | $1.2M | 1.2% | New |
| KVUE KENVUE INC | Other | 62.8K | $1.1M | 1.1% | +72.4% |
| GRND GRINDR INC | Technology | 87.4K | $1.1M | 1.0% | +222.0% |
| OCUL OCULAR THERAPEUTIX INC | Healthcare | 123.9K | $1.0M | 1.0% | New |
| BCRX BIOCRYST PHARMACEUTICALS INC | Healthcare | 94.4K | $899K | 0.9% | New |
| GLNG GOLAR LNG LTD | Industrials | 14.8K | $799K | 0.8% | New |
| RSVR RESERVOIR MEDIA INC | Services media | 58.6K | $574K | 0.6% | New |
| NOW SERVICENOW INC | Technology | 5.3K | $552K | 0.5% | New |
| CHTR CHARTER COMMUNICATIONS INC-A | Communications | 2.5K | $549K | 0.5% | New |
| LNG CHENIERE ENERGY INC | Utilities | 1.9K | $538K | 0.5% | New |
| FLNG FLEX LNG LTD | Industrials | 17.6K | $521K | 0.5% | New |
| KHC KRAFT HEINZ CO/THE | Consumer staples | 17.8K | $401K | 0.4% | New |
| PZZA PAPA JOHN'S INTL INC | Consumer discretionary | 9.3K | $301K | 0.3% | New |
| LION LIONSGATE STUDIOS CORP | Services media | 28.1K | $270K | 0.3% | Held |
| SGRY SURGERY PARTNERS INC | Healthcare | 15.8K | $189K | 0.2% | +50.0% |
13F filing history
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