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RDST Capital LLC

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13F filer, CIK 1912187, SEATTLE, WA

RDST Capital LLC reported $1,038,020,134 across 20 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-15. Its ten largest share positions make up 62.92% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001912187-26-000005

Period
2026-03-31
Reported value
$1.04B
Holdings
20
Top 10 weight
62.92%
New
2
Sold out
1

Largest buys vs the previous quarter

SecurityShares changeApprox. value
DASHadded+235,985$35.4M
ARESnew+321,000$35M
MRVLadded+351,245$34.8M
TSMadded+93,579$31.6M
CPNGadded+1,492,500$28.2M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
ENTGreduced-748,500-$87.8M
DCOexited-390,363-$37.1M
UNPreduced-128,480-$31.2M
FNDreduced-393,919-$20M
HUBSreduced-16,635-$4.06M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001912187-26-000005, largest first. % of portfolio is the value over $1,038,020,134, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
UNPUNION PAC CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 336,645 shares; 2025Q4: 420,095 shares; 2026Q1: 291,615 shares 291,615$70.8M6.82%-128,480Timeline
DDOGDATADOG INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 327,450 shares; 2025Q2: 466,665 shares; 2025Q3: 475,095 shares; 2025Q4: 372,350 shares; 2026Q1: 597,085 shares 597,085$70.5M6.79%+224,735Timeline
OWLBLUE OWL CAPITAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 2,085,955 shares; 2024Q4: 1,728,545 shares; 2025Q1: 1,964,350 shares; 2025Q2: 3,381,080 shares; 2025Q3: 4,490,815 shares; 2025Q4: 6,265,485 shares; 2026Q1: 7,648,935 shares 7,648,935$69.8M6.73%+1,383,450Timeline
CPNGCOUPANG INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 2,154,400 shares; 2026Q1: 3,646,900 shares 3,646,900$68.9M6.63%+1,492,500Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 117,420 shares; 2024Q4: 188,930 shares; 2025Q1: 246,140 shares; 2025Q2: 312,080 shares; 2025Q3: 281,775 shares; 2025Q4: 311,605 shares; 2026Q1: 324,980 shares 324,980$67.7M6.52%+13,375Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 100,725 shares; 2024Q4: 167,220 shares; 2025Q1: 203,845 shares; 2025Q2: 158,240 shares; 2025Q3: 140,355 shares; 2025Q4: 155,875 shares; 2026Q1: 180,560 shares 180,560$66.8M6.44%+24,685Timeline
JHXJAMES HARDIE INDS PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 2,693,617 shares; 2026Q1: 3,238,117 shares 3,238,117$61.3M5.91%+544,500Timeline
MRVLMARVELL TECHNOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 424,650 shares; 2024Q4: 427,380 shares; 2025Q1: 496,505 shares; 2025Q2: 434,175 shares; 2025Q3: 825,485 shares; 2025Q4: 257,535 shares; 2026Q1: 608,780 shares 608,780$60.3M5.81%+351,245Timeline
TSMTAIWAN SEMICONDUCTOR MANUFACQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 84,040 shares; 2026Q1: 177,619 shares 177,619$60M5.78%+93,579Timeline
METAMETA PLATFORMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 36,355 shares; 2025Q3: 50,955 shares; 2025Q4: 62,405 shares; 2026Q1: 99,630 shares 99,630$57M5.49%+37,225Timeline
MLMMARTIN MARIETTA MATLS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 105,540 shares; 2025Q3: 111,575 shares; 2025Q4: 101,500 shares; 2026Q1: 95,095 shares 95,095$56M5.39%-6,405Timeline
DASHDOORDASH INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 176,760 shares; 2024Q4: 206,450 shares; 2025Q1: 170,395 shares; 2025Q2: 169,550 shares; 2025Q3: 48,570 shares; 2025Q4: 133,535 shares; 2026Q1: 369,520 shares 369,520$55.5M5.35%+235,985Timeline
CVNACARVANA COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 222,940 shares; 2025Q2: 136,885 shares; 2025Q3: 107,205 shares; 2025Q4: 122,262 shares; 2026Q1: 174,802 shares 174,802$55M5.29%+52,540Timeline
MKTXMARKETAXESS HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 34,225 shares; 2025Q2: 109,005 shares; 2025Q3: 281,547 shares; 2025Q4: 310,697 shares; 2026Q1: 295,267 shares 295,267$48.7M4.69%-15,430Timeline
ENTGENTEGRIS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 532,115 shares; 2025Q1: 774,420 shares; 2025Q2: 1,102,675 shares; 2025Q3: 956,780 shares; 2025Q4: 1,105,625 shares; 2026Q1: 357,125 shares 357,125$41.9M4.03%-748,500Timeline
ARESARES MANAGEMENT CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 31,650 shares; 2024Q4: 25,300 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 321,000 shares 321,000$35M3.37%newTimeline
HUBSHUBSPOT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 121,505 shares; 2025Q4: 157,785 shares; 2026Q1: 141,150 shares 141,150$34.5M3.32%-16,635Timeline
FNDFLOOR & DECOR HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 669,870 shares; 2025Q3: 756,750 shares; 2025Q4: 925,247 shares; 2026Q1: 531,328 shares 531,328$27M2.6%-393,919Timeline
APOAPOLLO GLOBAL MGMT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 285,860 shares; 2024Q4: 233,495 shares; 2025Q1: 117,255 shares; 2025Q2: 147,990 shares; 2025Q3: 147,055 shares; 2025Q4: 179,530 shares; 2026Q1: 210,405 shares 210,405$23.4M2.26%+30,875Timeline
NOWSERVICENOW INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 76,560 shares 76,560$8M0.77%newTimeline

Sold out in Q1 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
DCODUCOMMUN INC DEL390,363$37.1Mshares

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001912187-26-000005 base2026-05-15acceptance time not in the bulk data set