RDST Capital LLC
Long book
$1.04B
Q1 2026
Positions
20
Top-10 weight
63%
concentration
Last quarter
+25.2%
SPY +14.8%
Turnover
14%
of book per quarter
Strategy in plain words
auto-generated from filingsRDST Capital LLC is a concentrated fundamental stock-picker, running a $1.04B US long book across 20 positions.
The portfolio is concentrated: the top 10 names carry 63% of the portfolio. Turnover is modest: positions are typically held for years. Current anchor positions: UNION PACIFIC CORP, DATADOG INC - CLASS A, BLUE OWL CAPITAL INC, COUPANG INC, AMAZON.COM INC.
Over the last 9 quarters its long book ran on average 0.2pp per quarter ahead of the S&P 500, beating the index in 4 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
+0.3%
Q2 2024
+7.1%
Q3 2024
+8.8%
Q4 2024
-9.2%
Q1 2025
+16.8%
Q2 2025
+5.0%
Q3 2025
-2.5%
Q4 2025
-9.4%
Q1 2026
+25.2%
Sector allocation
Technology 30%
Consumer discretionary 22%
Financials 18%
Industrials 14%
Materials 6%
Services media 6%
Other 4%
Long book by quarter
What does RDST Capital own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| UNP UNION PACIFIC CORP | Industrials | 291.6K | $70.8M | 6.8% | -30.6% |
| DDOG DATADOG INC - CLASS A | Technology | 597.1K | $70.5M | 6.8% | +60.4% |
| OWL BLUE OWL CAPITAL INC | Financials | 7.6M | $69.8M | 6.7% | +22.1% |
| CPNG COUPANG INC | Consumer discretionary | 3.6M | $68.9M | 6.6% | +69.3% |
| AMZN AMAZON.COM INC | Consumer discretionary | 325.0K | $67.7M | 6.5% | +4.3% |
| MSFT MICROSOFT CORP | Technology | 180.6K | $66.8M | 6.4% | +15.8% |
| JHX JAMES HARDIE IND PLC | Industrials | 3.2M | $61.3M | 5.9% | +20.2% |
| MRVL MARVELL TECHNOLOGY INC | Technology | 608.8K | $60.3M | 5.8% | +136.4% |
| META META PLATFORMS INC-CLASS A | Technology | 99.6K | $57.0M | 5.5% | +59.7% |
| MLM MARTIN MARIETTA MATERIALS | Materials | 95.1K | $56.0M | 5.4% | -6.3% |
| DASH DOORDASH INC - A | Services media | 369.5K | $55.5M | 5.3% | +176.7% |
| CVNA CARVANA CO | Consumer discretionary | 174.8K | $55.0M | 5.3% | +43.0% |
| MKTX MARKETAXESS HOLDINGS INC | Financials | 295.3K | $48.7M | 4.7% | -5.0% |
| ENTG ENTEGRIS INC | Other | 357.1K | $41.9M | 4.0% | -67.7% |
| ARES ARES MANAGEMENT CORP - A | Financials | 321.0K | $35.0M | 3.4% | New |
| HUBS HUBSPOT INC | Technology | 141.2K | $34.5M | 3.3% | -10.5% |
| FND FLOOR & DECOR HOLDINGS INC-A | Consumer discretionary | 531.3K | $27.0M | 2.6% | -42.6% |
| APO APOLLO GLOBAL MANAGEMENT INC | Financials | 210.4K | $23.4M | 2.3% | +17.2% |
| NOW SERVICENOW INC | Technology | 76.6K | $8.0M | 0.8% | New |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 15, 2026 | 20 | $1.04B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 19 | $1.06B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR/ARESTATEMENT | Nov 18, 2025 | 19 | $1.06B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 13, 2025 | 19 | $1.06B | SEC ↗ | |
| Q2 2025 | 13F-HR | Aug 12, 2025 | 18 | $1.00B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 16 | $703.4M | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 20 | $705.0M | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 16 | $443.2M | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 14, 2024 | 17 | $380.1M | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 14, 2024 | 18 | $402.2M | canonical | SEC ↗ |
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