RDST Capital LLC
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), RDST Capital LLC reported 18 stock positions worth $1.2 billion. Its top holding was James Hardie Ind (JHX) at 8.7% of the portfolio, followed by Taiwan Semiconductor-SP ADR (TSM, 8.1%) and Martin Marietta Materials (MLM, 7.8%). Compared with Q1 2026, it opened 2 new positions, sold out of 4, added to 11 and reduced 5. The biggest buy was a new position in Nvidia (NVDA) and the biggest sale an exit from Blue Owl Capital (OWL).
- Most Recent 13F
- Q2 2026
- Location
- SEATTLE, WA
- CIK
- 0001912187
- Portfolio Value
- $1.2B (Q2 2026)
- SEC Filing
- 0001912187-26-000007 ↗ filed Aug 14, 2026
Holdings Value
Holdings 18 stocks · $1.2B
| JHX James Hardie Ind PLC | 8.70% | 4,015,067 | $105.1M | Add +24.0% |
| TSM Taiwan Semiconductor-SP ADR | 8.07% | 203,998 | $97.4M | Add +14.8% |
| MLM Martin Marietta Materials | 7.81% | 163,550 | $94.3M | Add +72.0% |
| UNP Union Pacific Corp. | 7.39% | 328,055 | $89.2M | Add +12.5% |
| ARES Ares Management Corp. Class A | 7.29% | 791,316 | $88.1M | Add +146.5% |
| AMZN Amazon.com Inc. | 6.86% | 347,474 | $82.8M | Add +6.9% |
| FND Floor & Decor Holdings Inc. Class A | 6.62% | 1,347,061 | $80.0M | Add +153.5% |
| META Meta Platforms Inc. Class A | 6.56% | 140,667 | $79.2M | Add +41.2% |
| DASH DoorDash Inc. Class A | 5.89% | 385,140 | $71.1M | Add +4.2% |
| CPNG Coupang Inc. | 5.80% | 4,034,829 | $70.1M | Add +10.6% |
| NVDA Nvidia Corp. | 5.45% | 328,839 | $65.8M | New |
| MSFT Microsoft Corp. | 5.17% | 167,344 | $62.4M | Reduce -7.3% |
| HUBS HubSpot Inc. | 5.01% | 331,796 | $60.6M | Add +135.1% |
| AVGO Broadcom Inc. | 3.46% | 110,720 | $41.8M | New |
| CVNA Carvana Co. | 3.30% | 604,579 | $39.8M | Reduce -30.8% |
| DDOG Datadog Inc. Class A | 3.19% | 148,040 | $38.5M | Reduce -75.2% |
| MKTX Marketaxess Holdings Inc. | 2.32% | 247,112 | $28.0M | Reduce -16.3% |
| APO Apollo Global Management Inc. | 1.10% | 112,385 | $13.3M | Reduce -46.6% |
Portfolio Sells Q1 2026 → Q2 2026
| OWL Blue Owl Capital Inc. | Sold out | 0.00% | −6.73 |
| MRVL Marvell Technology Inc. | Sold out | 0.00% | −5.81 |
| ENTG Entegris Inc. | Sold out | 0.00% | −4.03 |
| DDOG Datadog Inc. Class A | Reduce -75.2% | 3.19% | −3.60 |
| MKTX Marketaxess Holdings Inc. | Reduce -16.3% | 2.32% | −2.37 |
| CVNA Carvana Co. | Reduce -30.8% | 3.30% | −2.00 |
| MSFT Microsoft Corp. | Reduce -7.3% | 5.17% | −1.27 |
| APO Apollo Global Management Inc. | Reduce -46.6% | 1.10% | −1.16 |
| NOW ServiceNow Inc. | Sold out | 0.00% | −0.77 |
Portfolio Buys Q1 2026 → Q2 2026
| NVDA Nvidia Corp. | New | 5.45% | +5.45 |
| FND Floor & Decor Holdings Inc. Class A | Add +153.5% | 6.62% | +4.02 |
| ARES Ares Management Corp. Class A | Add +146.5% | 7.29% | +3.92 |
| AVGO Broadcom Inc. | New | 3.46% | +3.46 |
| JHX James Hardie Ind PLC | Add +24.0% | 8.70% | +2.80 |
| MLM Martin Marietta Materials | Add +72.0% | 7.81% | +2.42 |
| TSM Taiwan Semiconductor-SP ADR | Add +14.8% | 8.07% | +2.28 |
| HUBS HubSpot Inc. | Add +135.1% | 5.01% | +1.70 |
| META Meta Platforms Inc. Class A | Add +41.2% | 6.56% | +1.07 |
| UNP Union Pacific Corp. | Add +12.5% | 7.39% | +0.57 |
| DASH DoorDash Inc. Class A | Add +4.2% | 5.89% | +0.54 |
| AMZN Amazon.com Inc. | Add +6.9% | 6.86% | +0.34 |
| CPNG Coupang Inc. | Add +10.6% | 5.80% | −0.83 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 18 | $1.2B | JHX, TSM, MLM, UNP, ARES |
| Q1 2026 | 20 | $1.0B | UNP, DDOG, OWL, CPNG, AMZN |
| Q4 2025 | 19 | $1.1B | UNP, OWL, ENTG, MSFT, AMZN |
| Q3 2025Amended | 19 | $1.1B | ENTG, UNP, OWL, MSFT, MLM |
| Q2 2025 | 18 | $1.0B | CSX, ENTG, MSFT, AMAT, AMZN |
| Q1 2025 | 16 | $703.4M | QSR, MSFT, ENTG, CSX, WDAY |
| Q4 2024 | 20 | $705.0M | MSFT, CSX, ENTG, QSR, WDAY |
| Q3 2024 | 16 | $443.2M | QSR, MSFT, OWL, APO, DCO |
| Q2 2024 | 17 | $380.1M | COLD, QSR, MSFT, AJG, APO |
| Q1 2024 | 18 | $402.2M | QSR, MSFT, COLD, APO, AJG |