Q2 2026 13F · SEC CIK 1912187
RDST Capital LLC
Hedge fundFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $1.2B
- Reported positions
- 18
- Top holdings a year, 3 yrs
- +19.1%
- Assets under management
- $1.3B
RDST Capital LLC is a hedge fund that reported 18 positions worth $1.2B in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were James Hardie Inds PLC (JHX, 8.7%), Taiwan Semiconductor Manufac (TSM, 8.1%), Martin Marietta Matls Inc (MLM, 7.8%). A portfolio copying its top holdings returned 19.1% a year over the last 3 years, against 22.3% for the S&P 500.
RDST Capital LLC holdings all 18 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
| Stock | % of 13F value | Share change | Reported value |
|---|---|---|---|
| JHXJames Hardie Inds PLC | 8.7% | +24.0% | $105.1M |
| TSMTaiwan Semiconductor Manufac | 8.1% | +14.9% | $97.4M |
| MLMMartin Marietta Matls Inc | 7.8% | +72.0% | $94.3M |
| UNPUnion Pac Corp | 7.4% | +12.5% | $89.2M |
| ARESAres Management Corp | 7.3% | +146.5% | $88.1M |
| AMZNAmazon Com Inc | 6.9% | +6.9% | $82.8M |
| FNDFloor & Decor Hldgs Inc | 6.6% | +153.5% | $80.0M |
| METAMeta Platforms Inc | 6.6% | +41.2% | $79.2M |
| DASHDoordash Inc | 5.9% | +4.2% | $71.1M |
| CPNGCoupang Inc | 5.8% | +10.6% | $70.1M |
| NVDANvidia Corporation | 5.4% | — | $65.8M |
| MSFTMicrosoft Corp | 5.2% | -7.3% | $62.4M |
| HUBSHubspot Inc | 5.0% | +135.1% | $60.6M |
| AVGOBroadcom Inc | 3.5% | — | $41.8M |
| CVNACarvana Co | 3.3% | +245.9% | $39.8M |
| DDOGDatadog Inc | 3.2% | -75.2% | $38.5M |
| MKTXMarketaxess Hldgs Inc | 2.3% | -16.3% | $28.0M |
| APOApollo Global Management Inc | 1.1% | -46.6% | $13.3M |
What RDST Capital LLC bought and sold in Q2 2026, against Q1 2026.
New positions
- NVDA Nvidia Corporation5.4% of 13F
- AVGO Broadcom Inc3.5% of 13F
Added to
- CVNA Carvana Co+245.9% shares
- FND Floor & Decor Hldgs Inc+153.5% shares
- ARES Ares Management Corp+146.5% shares
- HUBS Hubspot Inc+135.1% shares
- MLM Martin Marietta Matls Inc+72.0% shares
- META Meta Platforms Inc+41.2% shares
- JHX James Hardie Inds PLC+24.0% shares
- TSM Taiwan Semiconductor Manufac+14.9% shares
Reduced
- DDOG Datadog Inc-75.2% shares
- APO Apollo Global Management Inc-46.6% shares
- MKTX Marketaxess Hldgs Inc-16.3% shares
- MSFT Microsoft Corp-7.3% shares
Sold out
- OWL Blue Owl Capital Incwas 6.7%
- MRVL Marvell Technology Incwas 5.8%
- ENTG Entegris Incwas 4.0%
- NOW Servicenow Incwas 0.8%
Share counts compared with the Q1 2026 13F; a split also changes share counts.
How the holdings did against the S&P 500.
- 1 year
- +12.9% /yr
- S&P 500 +11.7%
- 3 years
- +19.1% /yr
- S&P 500 +22.3%
- 5 years
- +13.4% /yr
- S&P 500 +13.0%
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $1.2B | 18 |
| Q1 2026 | $1.0B | 20 |
| Q4 2025 | $1.1B | 19 |
| Q3 2025 | $1.1B | 19 |
| Q2 2025 | $1.0B | 18 |
| Q1 2025 | $703.4M | 16 |
| Q4 2024 | $705.0M | 20 |
| Q3 2024 | $443.2M | 16 |
| Q2 2024 | $380.1M | 17 |
| Q1 2024 | $402.2M | 18 |
| Q4 2023 | $313.8M | 18 |
| Q3 2023 | $264.7M | 16 |
Questions about RDST Capital LLC's portfolio
What stocks does RDST Capital LLC own?
RDST Capital LLC's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 18 positions worth $1.2B. The largest are James Hardie Inds PLC (JHX) at 8.7%, Taiwan Semiconductor Manufac (TSM) at 8.1%, Martin Marietta Matls Inc (MLM) at 7.8%, Union Pac Corp (UNP) at 7.4% and Ares Management Corp (ARES) at 7.3%.
What did RDST Capital LLC buy last quarter?
In Q2 2026, RDST Capital LLC added a new position in Nvidia Corporation (NVDA), a new position in Broadcom Inc (AVGO), Carvana Co (CVNA) (+245.9% shares), Floor & Decor Hldgs Inc (FND) (+153.5% shares) and Ares Management Corp (ARES) (+146.5% shares), compared with its Q1 2026 filing.
What did RDST Capital LLC sell last quarter?
In Q2 2026, RDST Capital LLC sold all of Blue Owl Capital Inc (OWL), sold all of Marvell Technology Inc (MRVL), sold all of Entegris Inc (ENTG), sold all of Servicenow Inc (NOW), Datadog Inc (DDOG) (-75.2% shares), Apollo Global Management Inc (APO) (-46.6% shares) and Marketaxess Hldgs Inc (MKTX) (-16.3% shares), compared with its Q1 2026 filing.
How has RDST Capital LLC's portfolio performed?
A portfolio copying RDST Capital LLC's 20 largest 13F holdings each quarter, from the day each filing was public, returned +19.1% a year over the last 3 years, against +22.3% for the S&P 500. Over 1 year: +12.9% against +11.7%. Over 5 years: +13.4% a year against +13.0%.
When is RDST Capital LLC's next 13F filing due?
13F filings are due 45 days after each quarter ends. RDST Capital LLC's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.
How much money does RDST Capital LLC manage?
RDST Capital LLC reported $1.3B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $1.2B.