RDST Capital LLC

Fundamental concentrated ★Highest signal CIK 1912187
League rank
#189
in Fundamental concentrated · #315 overall
Long book
$1.04B
Q1 2026
Positions
20
Top-10 weight
63%
concentration
Last quarter
+25.2%
SPY +14.8%
Turnover
14%
of book per quarter

Strategy in plain words

auto-generated from filings

RDST Capital LLC is a concentrated fundamental stock-picker, running a $1.04B US long book across 20 positions.

The portfolio is concentrated: the top 10 names carry 63% of the portfolio. Turnover is modest: positions are typically held for years. Current anchor positions: UNION PACIFIC CORP, DATADOG INC - CLASS A, BLUE OWL CAPITAL INC, COUPANG INC, AMAZON.COM INC.

Over the last 9 quarters its long book ran on average 0.2pp per quarter ahead of the S&P 500, beating the index in 4 of 9 quarters. We rate its filings highest-signal: new buys here are worth attention.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
+0.3%
Q2 2024
+7.1%
Q3 2024
+8.8%
Q4 2024
-9.2%
Q1 2025
+16.8%
Q2 2025
+5.0%
Q3 2025
-2.5%
Q4 2025
-9.4%
Q1 2026
+25.2%

Sector allocation

Technology
30%
Consumer discretionary
22%
Financials
18%
Industrials
14%
Materials
6%
Services media
6%
Other
4%

Long book by quarter

$402.2M
Q1 2024
$380.1M
Q2 2024
$443.2M
Q3 2024
$705.0M
Q4 2024
$703.4M
Q1 2025
$1.00B
Q2 2025
$1.06B
Q3 2025
$1.06B
Q4 2025
$1.04B
Q1 2026

What does RDST Capital own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
UNP UNION PACIFIC CORPIndustrials291.6K$70.8M6.8%-30.6%
DDOG DATADOG INC - CLASS ATechnology597.1K$70.5M6.8%+60.4%
OWL BLUE OWL CAPITAL INCFinancials7.6M$69.8M6.7%+22.1%
CPNG COUPANG INCConsumer discretionary3.6M$68.9M6.6%+69.3%
AMZN AMAZON.COM INCConsumer discretionary325.0K$67.7M6.5%+4.3%
MSFT MICROSOFT CORPTechnology180.6K$66.8M6.4%+15.8%
JHX JAMES HARDIE IND PLCIndustrials3.2M$61.3M5.9%+20.2%
MRVL MARVELL TECHNOLOGY INCTechnology608.8K$60.3M5.8%+136.4%
META META PLATFORMS INC-CLASS ATechnology99.6K$57.0M5.5%+59.7%
MLM MARTIN MARIETTA MATERIALSMaterials95.1K$56.0M5.4%-6.3%
DASH DOORDASH INC - AServices media369.5K$55.5M5.3%+176.7%
CVNA CARVANA COConsumer discretionary174.8K$55.0M5.3%+43.0%
MKTX MARKETAXESS HOLDINGS INCFinancials295.3K$48.7M4.7%-5.0%
ENTG ENTEGRIS INCOther357.1K$41.9M4.0%-67.7%
ARES ARES MANAGEMENT CORP - AFinancials321.0K$35.0M3.4%New
HUBS HUBSPOT INCTechnology141.2K$34.5M3.3%-10.5%
FND FLOOR & DECOR HOLDINGS INC-AConsumer discretionary531.3K$27.0M2.6%-42.6%
APO APOLLO GLOBAL MANAGEMENT INCFinancials210.4K$23.4M2.3%+17.2%
NOW SERVICENOW INCTechnology76.6K$8.0M0.8%New

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 15, 202620$1.04B canonicalSEC ↗
Q4 202513F-HRFeb 17, 202619$1.06B canonicalSEC ↗
Q3 202513F-HR/ARESTATEMENTNov 18, 202519$1.06B canonicalSEC ↗
Q3 202513F-HRNov 13, 202519$1.06B SEC ↗
Q2 202513F-HRAug 12, 202518$1.00B canonicalSEC ↗
Q1 202513F-HRMay 15, 202516$703.4M canonicalSEC ↗
Q4 202413F-HRFeb 14, 202520$705.0M canonicalSEC ↗
Q3 202413F-HRNov 14, 202416$443.2M canonicalSEC ↗
Q2 202413F-HRAug 14, 202417$380.1M canonicalSEC ↗
Q1 202413F-HRMay 14, 202418$402.2M canonicalSEC ↗