RDST Capital LLC 13F holdings, Q3 2025
Holdings as of September 30, 2025 · filings on SEC EDGAR · latest filing →
RDST Capital LLC disclosed 19 US equity positions worth $1.1bn in its Q3 2025 13F filing. The largest position was ENTG at 8.3% of the reported book, followed by UNP and OWL. Against the Q2 2025 filing, it opened 2 new positions, added to 7 and reduced 10 among the top 19 holdings.
What did RDST Capital LLC own in Q3 2025? Top 19 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs Q2 2025 |
|---|---|---|---|---|---|---|---|
| 1 | ENTG ENTEGRIS INC | Technology | 8.3% | $88.5m | 956,780 | -13% | reduced |
| 2 | UNP UNION PAC CORP | Industrials | 7.5% | $79.6m | 336,645 | – | new |
| 3 | OWL BLUE OWL CAPITAL INC | Financial Services | 7.2% | $76.0m | 4,490,815 | 33% | added |
| 4 | MSFT MICROSOFT CORP | Technology | 6.8% | $72.7m | 140,355 | -11% | reduced |
| 5 | MLM MARTIN MARIETTA MATLS INC | Basic Materials | 6.6% | $70.3m | 111,575 | 6% | added |
| 6 | MRVL MARVELL TECHNOLOGY INC | Technology | 6.5% | $69.4m | 825,485 | 90% | added |
| 7 | DDOG DATADOG INC | Technology | 6.4% | $67.7m | 475,095 | 2% | added |
| 8 | AMZN AMAZON COM INC | Consumer Cyclical | 5.8% | $61.9m | 281,775 | -10% | reduced |
| 9 | HUBS HUBSPOT INC | Technology | 5.4% | $56.8m | 121,505 | – | new |
| 10 | FND FLOOR & DECOR HLDGS INC | Consumer Cyclical | 5.3% | $55.8m | 756,750 | 13% | added |
| 11 | CSX CSX CORP | Industrials | 5.1% | $53.9m | 1,517,825 | -47% | reduced |
| 12 | AMAT APPLIED MATLS INC | Technology | 5.0% | $53.5m | 261,147 | -32% | reduced |
| 13 | MKTX MARKETAXESS HLDGS INC | Financial Services | 4.6% | $49.1m | 281,547 | 158% | added |
| 14 | DCO DUCOMMUN INC DEL | Industrials | 4.5% | $48.2m | 501,496 | -12% | reduced |
| 15 | WDAY WORKDAY INC | Technology | 4.5% | $48.0m | 199,545 | -18% | reduced |
| 16 | CVNA CARVANA CO | Consumer Cyclical | 3.8% | $40.4m | 107,205 | -22% | reduced |
| 17 | META META PLATFORMS INC | Communication Services | 3.5% | $37.4m | 50,955 | 40% | added |
| 18 | APO APOLLO GLOBAL MGMT INC | Financial Services | 1.8% | $19.6m | 147,055 | -1% | reduced |
| 19 | DASH DOORDASH INC | Consumer Cyclical | 1.2% | $13.2m | 48,570 | -71% | reduced |
Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.