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Super Investors RDST Capital LLC
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RDST Capital LLC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$1.21B
Positions
18
Quarter ended
June 30, 2026
Filed
August 14, 2026

Reported portfolio value by quarter (19 quarters reported)

$1.21B $135M
Q4 21 Q4 22 Q4 23 Q4 24 Q4 25 Q2 26

$147M in Q4 2021 → $1.21B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
JH James Hardie Inds PLC 8.7% Added 24% 4,015,067 $105M
TS Taiwan Semiconductor Manufac 8.1% Added 15% 203,998 $97.4M
MM Martin Marietta Matls Inc 7.8% Added 72% 163,550 $94.3M
UP Union Pac Corp 7.4% Added 12% 328,055 $89.2M
Ares Management Corporation 7.3% Added 147% 791,316 $88.1M
Amazon Com Inc 6.9% Added 6.9% 347,474 $82.8M
F& Floor & Decor Hldgs Inc 6.6% Added 154% 1,347,061 $80M
Meta Platforms Inc 6.6% Added 41% 140,667 $79.2M
Doordash Inc 5.9% Added 4.2% 385,140 $71.1M
Coupang Inc 5.8% Added 11% 4,034,829 $70.1M
Nvidia Corporation 5.4% New 328,839 $65.8M
Microsoft Corp 5.2% Trimmed 7.3% 167,344 $62.4M
Hubspot Inc 5.0% Added 135% 331,796 $60.6M
Broadcom Inc 3.5% New 110,720 $41.8M
Carvana Co 3.3% Added 246% 604,579 $39.8M
Datadog Inc 3.2% Trimmed 75% 148,040 $38.5M
MH Marketaxess Hldgs Inc 2.3% Trimmed 16% 247,112 $28M
AG Apollo Global Mgmt Inc 1.1% Trimmed 47% 112,385 $13.3M

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 14, 2026

Company Action Shares changed Value of change % of portfolio
Datadog Inc Trimmed −449,045 −$117M 3.2%
Blue Owl Capital Inc Exited −7,648,935 −$69.8M —
Nvidia Corporation New +328,839 +$65.8M 5.4%
Marvell Technology Inc Exited −608,780 −$60.3M —
Ares Management Corporation Added +470,316 +$52.4M 7.3%
F& Floor & Decor Hldgs Inc Added +815,733 +$48.4M 6.6%
Entegris Inc Exited −357,125 −$41.9M —
Broadcom Inc New +110,720 +$41.8M 3.5%
MM Martin Marietta Matls Inc Added +68,455 +$39.5M 7.8%
Hubspot Inc Added +190,646 +$34.8M 5.0%

Showing the 10 largest of 22 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 15, 2026

Company Action Shares changed Value of change % of portfolio
Entegris Inc Trimmed −748,500 −$87.8M 4.0%
DD Ducommun Inc Del Exited −390,363 −$37.1M —
Doordash Inc Added +235,985 +$35.4M 5.3%
Ares Management Corporation New +321,000 +$35M 3.4%
Marvell Technology Inc Added +351,245 +$34.8M 5.8%
TS Taiwan Semiconductor Manufac Added +93,579 +$31.6M 5.8%
UP Union Pac Corp Trimmed −128,480 −$31.2M 6.8%
Coupang Inc Added +1,492,500 +$28.2M 6.6%
Datadog Inc Added +224,735 +$26.5M 6.8%
Meta Platforms Inc Added +37,225 +$21.3M 5.5%

Showing the 10 largest of 21 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 17, 2026

Company Action Shares changed Value of change % of portfolio
JH James Hardie Inds PLC New +2,693,617 +$55.9M 5.3%
Csx Corp Exited −1,517,825 −$53.9M —
AM Applied Matls Inc Exited −261,147 −$53.5M —
Coupang Inc New +2,154,400 +$50.8M 4.8%
Marvell Technology Inc Trimmed −567,950 −$48.3M 2.1%
Workday Inc Exited −199,545 −$48M —
Blue Owl Capital Inc Added +1,774,670 +$26.5M 8.8%
TS Taiwan Semiconductor Mfg Ltd New +84,040 +$25.5M 2.4%
UP Union Pac Corp Added +83,450 +$19.3M 9.2%
Doordash Inc Added +84,965 +$19.2M 2.8%

Showing the 10 largest of 22 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 18, 2025

Company Action Shares changed Value of change % of portfolio
UP Union Pac Corp New +336,645 +$79.6M 7.5%
RB Restaurant Brands Intl Inc Exited −968,064 −$64.2M —
Hubspot Inc New +121,505 +$56.8M 5.4%
Csx Corp Trimmed −1,371,060 −$48.7M 5.1%
Doordash Inc Trimmed −120,980 −$32.9M 1.2%
Marvell Technology Inc Added +391,310 +$32.9M 6.5%
MH Marketaxess Hldgs Inc Added +172,542 +$30.1M 4.6%
AM Applied Matls Inc Trimmed −123,513 −$25.3M 5.0%
Blue Owl Capital Inc Added +1,109,735 +$18.8M 7.2%
Entegris Inc Trimmed −145,895 −$13.5M 8.3%

Showing the 10 largest of 20 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 12, 2025

Company Action Shares changed Value of change % of portfolio
MM Martin Marietta Matls Inc New +105,540 +$57.9M 5.8%
F& Floor & Decor Hldgs Inc New +669,870 +$50.9M 5.1%
Carvana Co Trimmed −86,055 −$29M 4.6%
Blue Owl Capital Inc Added +1,416,730 +$27.2M 6.5%
Meta Platforms Inc New +36,355 +$26.8M 2.7%
Entegris Inc Added +328,255 +$26.5M 8.9%
Microsoft Corp Trimmed −45,605 −$22.7M 7.9%
Americold Realty Trust Inc Exited −1,013,598 −$21.8M —
Csx Corp Added +609,340 +$19.9M 9.4%
Datadog Inc Added +139,215 +$18.7M 6.3%

Showing the 10 largest of 19 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
Carvana Co New +222,940 +$46.6M 6.6%
SS SPDR S&P 500 ETF Tr Exited −71,500 −$41.9M —
Datadog Inc New +327,450 +$32.5M 4.6%
GA Gallagher Arthur J & Co Exited −99,885 −$28.4M —
RB Restaurant Brands Intl Inc Added +425,325 +$28.3M 11.5%
AM Applied Matls Inc Added +151,260 +$22M 6.8%
Entegris Inc Added +242,305 +$21.2M 9.6%
Americold Realty Trust Inc Trimmed −893,637 −$19.2M 3.1%
Salesforce Inc Exited −54,810 −$18.3M —
Alphabet Inc Exited −88,980 −$16.8M —

Showing the 10 largest of 23 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
Entegris Inc New +532,115 +$52.7M 7.5%
SS SPDR S&P 500 ETF Tr New +71,500 +$41.9M 5.9%
Csx Corp Added +1,029,160 +$33.2M 8.3%
AM Applied Matls Inc New +178,390 +$29M 4.1%
Microsoft Corp Added +66,495 +$28M 10.0%
Americold Realty Trust Inc Added +739,840 +$15.8M 5.8%
Amazon Com Inc Added +71,510 +$15.7M 5.9%
Workday Inc Added +59,605 +$15.4M 6.7%
Salesforce Inc Trimmed −30,485 −$10.2M 2.6%
AG Apollo Global Mgmt Inc Trimmed −52,365 −$8.65M 5.5%

Showing the 10 largest of 20 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
Marvell Technology Inc New +424,650 +$30.6M 6.9%
Doordash Inc New +176,760 +$25.2M 5.7%
Rtx Corporation Exited −242,825 −$24.4M —
Csx Corp Added +590,125 +$20.4M 6.1%
Amazon Com Inc Added +85,840 +$16M 4.9%
GA Gallagher Arthur J & Co Trimmed −53,970 −$15.2M 5.4%
Americold Realty Trust Inc Trimmed −528,430 −$14.9M 7.4%
UP Union Pac Exited −31,250 −$7.07M —
Blue Owl Capital Inc Added +355,635 +$6.89M 9.1%
RB Restaurant Brands Intl Inc Added +93,304 +$6.73M 11.3%

Showing the 10 largest of 18 changes.

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