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RDST Capital LLC

CIK 1912187 · latest 13F filed 14 August 2026 · Read the filing on EDGAR

RDST Capital LLC reported 18 US-listed holdings worth $1.21 billion in its 13F for the quarter ended 30 June 2026, filed 14 August 2026. Its largest: James Hardie Industries Plc - US ADR (8.7%), Taiwan Semiconductor Manufacturing Company Limited (8.1%) and Martin Marietta Materials Inc. (7.8%). Against the quarter before, it opened 2 positions, added to 12, trimmed 4 and sold out of 4.

Reported holdings$1.21B+16.3% on Q1 2026
Positions18-2 on Q1 2026
The largest ten71.0%of its reported holdings
Latest 13FQ2 2026filed 14 August 2026
Where the money is
OpenedAdded toTrimmed
JHX8.7%TSM8.1%MLM7.8%UNP7.4%ARES7.3%AMZN6.9%FND6.6%META6.6%DASH5.9%CPNG5.8%NVDA5.4%MSFT5.2%HUBS5.0%AVGO3.5%4 more9.9%

The 14 largest of its 18 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.

Reported holdings, quarter by quarter
Q3 2024: $443.2 million in 16 positions$443MQ3 24Q4 2024: $705.0 million in 20 positions$705MQ4 24Q1 2025: $703.4 million in 16 positions$703MQ1 25Q2 2025: $1.00 billion in 18 positions$1.00BQ2 25Q3 2025: $1.06 billion in 19 positions$1.06BQ3 25Q4 2025: $1.06 billion in 19 positions$1.06BQ4 25Q1 2026: $1.04 billion in 20 positions$1.04BQ1 26Q2 2026: $1.21 billion in 18 positions$1.21BQ2 26

What the fund reported holding at each quarter's end; hover a bar for the number of positions

What it did on the quarter

Opened 2Added 12Trimmed 4Sold out 4
Opened: 2Added: 12Trimmed: 4Sold out: 4

Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held

Opened 2

  1. NVIDIA Corp. NVDA$65.8 million
  2. Broadcom Inc. AVGO$41.8 million

Added to 12

  1. Ares Management Corp. ARES+470,316 shares · +147%
  2. Floor & Decor Holdings, Inc. FND+815,733 shares · +154%
  3. Martin Marietta Materials Inc. MLM+68,455 shares · +72%
  4. Hubspot Inc. HUBS+190,646 shares · +135%
  5. Carvana Co. CVNA+429,777 shares · +246%
  6. Meta Platforms, Inc. META+41,037 shares · +41%
  7. James Hardie Industries Plc - US ADR JHX+776,950 shares · +24%
  8. Taiwan Semiconductor Manufacturing Company Limited TSM+26,379 shares · +15%

and 4 more in the table below

Trimmed 4

  1. Datadog, Inc. DDOG-449,045 shares · -75%
  2. Apollo Global Management, Inc. APO-98,020 shares · -47%
  3. Marketaxess Holdings Inc. MKTX-48,155 shares · -16%
  4. Microsoft Corp. MSFT-13,216 shares · -7%

Sold out of 4

  1. Blue Owl Capital Inc. OWL$69.8 million last quarter
  2. Marvell Technology, Inc. MRVL$60.3 million last quarter
  3. Entegris Inc. ENTG$41.9 million last quarter
  4. ServiceNow, Inc. NOW$8.0 million last quarter

What it holds

CompanySharesValueOf its bookChange in shares
James Hardie Industries Plc - US ADR JHX4,015,067$105.1 million8.70%+776,950
Taiwan Semiconductor Manufacturing Company Limited TSM203,998$97.4 million8.07%+26,379
Martin Marietta Materials Inc. MLM163,550$94.3 million7.81%+68,455
Union Pacific Corp. UNP328,055$89.2 million7.39%+36,440
Ares Management Corp. ARES791,316$88.1 million7.29%+470,316
Amazon.com Inc. AMZN347,474$82.8 million6.86%+22,494
Floor & Decor Holdings, Inc. FND1,347,061$80.0 million6.62%+815,733
Meta Platforms, Inc. META140,667$79.2 million6.56%+41,037
DoorDash, Inc. DASH385,140$71.1 million5.89%+15,620
Coupang Inc. Class A CPNG4,034,829$70.1 million5.80%+387,929
NVIDIA Corp. NVDA328,839$65.8 million5.45%new
Microsoft Corp. MSFT167,344$62.4 million5.17%-13,216
Hubspot Inc. HUBS331,796$60.6 million5.01%+190,646
Broadcom Inc. AVGO110,720$41.8 million3.46%new
Carvana Co. CVNA604,579$39.8 million3.30%+429,777
Datadog, Inc. DDOG148,040$38.5 million3.19%-449,045
Marketaxess Holdings Inc. MKTX247,112$28.0 million2.32%-48,155
Apollo Global Management, Inc. APO112,385$13.3 million1.10%-98,020
Every US-listed position in the fund's 13F for the quarter ended 30 June 2026, by the value it reported.
Read moreChange is shares against its 13F for the quarter before; the 4 it sold out of are in the box above.