RDST Capital LLC
CIK 1912187 · View on SEC EDGAR ↗
- Portfolio value
- $1.2B
- Positions
- 18
- As of
- June 30, 2026
Portfolio value QoQ: +16.3% 13F does not disclose cash
- Top 10 holdings weight
- 70.99%
- Top 25 holdings weight
- 100.00%
- Positions above 1%
- 18
- Effective number of positions
- 15.8
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 28.4% Est. buys $391,903,070 · sells $318,913,166
Median holding: 4.0 quarters Tracked Q4 2024–Q2 2026 · 52.9% still held
- New positions
- 2
- Increased
- 12
- Decreased
- 4
- Closed
- 4
On this page
- Performance vs S&P How this manager's 13F portfolio performed against the S&P 500.
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- High-conviction bets The holdings this manager is most concentrated in.
- Biggest new bets Brand-new positions opened in the latest quarter.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
Performance vs S&P 500
Annualized: +13.6% · S&P 500: +18.0%
Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.
Priceable coverage: 100.0% · Options excluded: 0.0%
Sector breakdown
Full portfolio 18 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| JHX James Hardie Industries plc. Ordinary Shares | $105,114,454 | 8.70% | 4,015,067 | $43,784,518 | Up ×2 | ||
| TSM Taiwan Semiconductor Manufacturing Company Ltd. | $97,423,325 | 8.07% | 203,998 | $37,396,984 | Up ×2 | ||
| MLM Martin Marietta Materials, Inc. Common Stock | $94,319,285 | 7.81% | 163,550 | $38,338,760 | Up ×1 | ||
| UNP Union Pacific Corporation Common Stock | $89,230,960 | 7.39% | 328,055 | $18,479,328 | Up ×1 | ||
| ARES Ares Management Corporation Class A Common Stock | $88,081,384 | 7.29% | 791,316 | $53,060,284 | Up ×1 | ||
| AMZN Amazon.com, Inc. - Common Stock | $82,816,953 | 6.86% | 347,474 | $15,133,369 | Up ×3 | ||
| FND Floor & Decor Holdings, Inc. Common Stock | $79,961,541 | 6.62% | 1,347,061 | $52,970,078 | Up ×1 | ||
| META Meta Platforms, Inc. - Class A Common Stock | $79,236,314 | 6.56% | 140,667 | $22,235,002 | Up ×4 | ||
| DASH DoorDash, Inc. - Common Stock | $71,069,884 | 5.89% | 385,140 | $15,586,456 | Up ×3 | ||
| CPNG Coupang, Inc. Class A Common Stock | $70,084,979 | 5.80% | 4,034,829 | $1,231,507 | Up ×2 | ||
| NVDA NVIDIA Corporation - Common Stock | $65,797,396 | 5.45% | 328,839 | Up ×1 | |||
| MSFT Microsoft Corporation - Common Stock | $62,422,659 | 5.17% | 167,344 | $-4,415,236 | Down ×1 | ||
| HUBS HubSpot, Inc. Common Stock | $60,556,088 | 5.01% | 331,796 | $26,101,373 | Up ×1 | ||
| AVGO Broadcom Inc. - Common Stock | $41,824,480 | 3.46% | 110,720 | Up ×1 | |||
| CVNA Carvana Co. Class A Common Stock | $39,793,390 | 3.30% | 604,579 | $-15,160,862 | Up ×3 | ||
| DDOG Datadog, Inc. - Class A Common Stock | $38,543,695 | 3.19% | 148,040 | $-31,942,190 | Down ×1 | ||
| MKTX MarketAxess Holdings, Inc. - Common Stock | $28,044,741 | 2.32% | 247,112 | $-20,668,409 | Down ×2 | ||
| APO Apollo Global Management, Inc. (New) Common Stock | $13,296,269 | 1.10% | 112,385 | $-10,147,056 | Down ×1 | ||
| No matches | |||||||
Conviction holdings
Positions increased for 3+ consecutive quarters.
Share counts are as reported in 13F filings (not split-adjusted)
Biggest new bets
New positions opened this quarter, largest first.
Top movers (QoQ)
| Security | Action | Shares Δ | Value Δ |
|---|---|---|---|
| ARES | Bought more | +470K | +$53.1M |
| FND | Bought more | +816K | +$53.0M |
| JHX | Bought more | +777K | +$43.8M |
| MLM | Bought more | +68K | +$38.3M |
| TSM | Bought more | +26K | +$37.4M |
| DDOG | Trimmed | -449K | -$31.9M |
| HUBS | Bought more | +191K | +$26.1M |
| META | Bought more | +41K | +$22.2M |
| MKTX | Trimmed | -48K | -$20.7M |
| UNP | Bought more | +36K | +$18.5M |
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| OWL | June 30, 2026 | 7,648,935 | $69,834,776 | 34.0% |
| QSR | Sept. 30, 2025 | 968,064 | $64,172,963 | 22.2% |
| MRVL | June 30, 2026 | 608,780 | $60,299,660 | -22.0% |
| CSX | Dec. 31, 2025 | 1,517,825 | $53,897,966 | 41.9% |
| AMAT | Dec. 31, 2025 | 261,147 | $53,467,237 | 92.4% |
| WDAY | Dec. 31, 2025 | 199,545 | $48,036,468 | -8.7% |
| SPY | March 31, 2025 | 71,500 | $41,904,720 | No longer tracked |
| ENTG | June 30, 2026 | 357,125 | $41,869,335 | -19.5% |
| DCO | March 31, 2026 | 390,363 | $37,135,232 | 66.5% |
| AJG | March 31, 2025 | 99,885 | $28,352,357 | -25.9% |
| COLD | June 30, 2025 | 1,013,598 | $21,751,813 | -8.7% |
| CRM | March 31, 2025 | 54,810 | $18,324,627 | -24.8% |
| GOOGL | March 31, 2025 | 88,980 | $16,843,914 | 121.1% |
| NOW | June 30, 2026 | 76,560 | $8,004,348 | 24.4% |
| LINE | March 31, 2025 | 83,240 | $4,875,367 | -27.8% |
| ARES | March 31, 2025 | 25,300 | $4,478,859 | -2.8% |
| MA | March 31, 2025 | 4,650 | $2,448,551 | 6.1% |