Stocks/Funds/CIK 1912187

RDST Capital LLC

long-term holderconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1912187
Assets
$1.04B
+47.6% YoY
Holdings
20
Lifetime alpha vs market
+1.64% annual
Average hold time
1.8 yr
median 1.5 yr

Quarterly history

Cum return +62% vs S&P +52% · α +10% lifetimeAUM $1.0B · peak $1.1BFlow $84M (+8%)2021-122022-092023-062024-032024-122025-092026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+17.45%
adds when stocks drop
when a holding falls −10%+
Middle response
+0.26%
steady accumulation
Rally response
-3.12%
trims into rallies
when a holding rises +10%+

Top positions · 20

Ticker$ value% portYoYHold time
UNPUnion Pacific Corporatio$71M6.8%+5.1%1.8 yr
DDOGDatadog, Inc.$70M6.8%+19.0%1.3 yr
OWLBlue Owl Capital Inc.$70M6.7%-51.8%3.0 yr
CPNGCoupang, Inc.$69M6.6%-13.9%0.5 yr
AMZNAmazon.com, Inc.$68M6.5%+9.5%3.3 yr
MSFTMicrosoft Corporation$67M6.4%-0.6%4.5 yr
$61M5.9%0.5 yr
MRVLMarvell Technology, Inc.$60M5.8%+61.3%1.8 yr
TSMTaiwan Semiconductor Man$60M5.8%+105.6%0.5 yr
METAMeta Platforms, Inc.$57M5.5%-0.4%2.3 yr
MLMMartin Marietta Material$56M5.4%+23.8%1.0 yr
DASHDoorDash, Inc.$55M5.3%-17.8%1.8 yr
CVNACarvana Co.$55M5.3%+50.4%1.3 yr
MKTXMarketAxess Holdings Inc$49M4.7%-22.5%1.3 yr
ENTGEntegris, Inc.$42M4.0%+34.6%3.0 yr

Portfolio composition (YoY)

Industry mix
Semiconductors15.6%-5.2pp$162M
Specialty Retail13.2%+6.5pp$137M
Asset Management12.4%+4.5pp$128M
Software - Application10.9%-1.5pp$113M
Internet Content & Information10.8%+6.4pp$112M
Railroads6.8%-2.7pp$71M
Software - Infrastructure6.4%-4.4pp$67M
Unknown5.9%$61M
Construction Materials5.4%$56M
Auto - Dealerships5.3%-1.3pp$55M
Country
US81.7%-6.8pp
KR6.6%
Unknown5.9%
TW5.8%
Top 5: 33.5% · Top 10: 62.9% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
CVNA$47M+0.02B50.4%
ENTG$68M+0.02B34.6%
MRVL$31M+0.02B61.3%
DDOG$32M+0.01B19.0%
AMZN$47M+0.00B9.5%

Losers

TickerPrev $PnLYoY %
OWL$39M-0.02B-51.8%
DASH$31M-0.01B-17.8%
APO$16M-0.00B-17.4%
MKTX$7M-0.00B-22.5%
MSFT$77M-0.00B-0.6%

Top buys this quarter · 14

DASH DoorDash, Inc.+$35M
MRVL Marvell Technology, Inc.+$35M
ARES Ares Management Corporation+$32M
TSM Taiwan Semiconductor Manufactu+$32M
CPNG Coupang, Inc.+$28M
DDOG Datadog, Inc.+$27M
META Meta Platforms, Inc.+$21M
CVNA Carvana Co.+$17M
OWL Blue Owl Capital Inc.+$70M
MSFT Microsoft Corporation+$67M

Top sells this quarter · 7

ENTG Entegris, Inc.$88M
DCO Ducommun Incorporatedexit$48M
UNP Union Pacific Corporation$31M
FND Floor & Decor Holdings, Inc.$20M
HUBS HubSpot, Inc.$4M
MLM Martin Marietta Materials, Inc$4M
MKTX MarketAxess Holdings Inc.$3M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$1.04B20+5.73%+17.59%-11.86%+0.08B
2025-12-31$1.06B19+6.65%+17.72%-11.07%+0.04B
2025-09-30$1.06B19+18.10%+17.52%+0.58%+0.02B
2025-06-30$1.00B18+21.64%+14.94%+6.70%+0.18B
2025-03-31$703M16+2.82%+8.30%-5.48%+0.06B
2024-12-31$705M20+25.31%+24.89%+0.42%+0.23B
2024-09-30$443M16+37.60%+36.04%+1.56%+0.03B
2024-06-30$380M17+24.93%+24.49%+0.44%-0.02B
2024-03-31$402M18+43.59%+29.62%+13.96%+0.06B
2023-12-31$314M18+40.33%+26.18%+14.15%+0.00B
2023-09-30$265M16+39.33%+21.57%+17.76%+0.03B
2023-06-30$243M17+34.38%+19.42%+14.95%+0.04B
2023-03-31$183M16+4.03%-7.82%+11.84%+0.01B
2022-12-31$164M17+16.36%+7.56%+8.80%+0.01B
2022-09-30$135M17-5.77%-4.93%-0.84%+0.00B
2022-06-30$141M15-12.10%-16.11%+4.01%+0.02B