DOSSIER · 13F-HR · Q1 2026

RDST Capital LLC

RDST's holding co. based in New York, NY $1.0B in tracked AUM across 20 positions as of Q1 2026.

R
RDST·New York, NY·Holding Co.
CIK 0001912187 · last filed Mar 31, 2026
Total AUM
$1.0B
16.8%
vs prior
Holdings
20
positions
Whale Score
74
74
strong
Activity
no data
changes this Q
Top sector
Tech
22% weight
concentration
AI Analysis · Q1 2026 · Q1 2026
Comprehensive Analysis of RDST Capital LLC SEC 13F Filing
1. Portfolio Overview

RDST Capital LLC executed a drastic portfolio restructuring during the quarter ending September 30, 2025. The firm reduced its total assets under management (AUM) reported via 13F by 60.1%, contracting from approximately $1.00 billion to $399.47 million. This reduction was not merely a result of market valuation losses but was driven by significant active selling and position liquidation. The fund sold out of 1...

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
UNP
UNION PAC CORP
$71M292K6.8%
02
DDOG
DATADOG INC
$70M597K6.8%
03
OWL
BLUE OWL CAPITAL INC
$70M7.6M6.7%
04
CPNG
COUPANG INC
$69M3.6M6.6%
05
AMZN
AMAZON COM INC
$68M325K6.5%
06
MSFT
MICROSOFT CORP
$67M181K6.4%
07
G4253H101
JAMES HARDIE INDS PLC
$61M3.2M5.9%
08
MRVL
MARVELL TECHNOLOGY INC
$60M609K5.8%
09
TSM
TAIWAN SEMICONDUCTOR MANUFAC
$60M178K5.8%
10
META
META PLATFORMS INC
$57M100K5.5%

Filing history

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