13F Insight
DOSSIER · 13F-HR · Q2 2026

CAPSTONE INVESTMENT ADVISORS, LLC

$54.0B in tracked AUM across 1,641 positions as of Q2 2026.

CI
CIK 0001426196 · last filed Jun 30, 2026
Total AUM
$54.0B
as of Q2 2026
Holdings
1,641
—
positions
Whale Score
74
74
strong
Activity
—
no data
changes this Q
AI Analysis · Q2 2026
Comprehensive Analysis of SEC 13F Filing: CAPSTONE INVESTMENT ADVISORS, LLC
1. Portfolio Overview

Capstone Investment Advisors has reported a significant expansion in its portfolio size, with total assets under management (AUM) growing by 33.0%, rising from $40.39 billion to $53.72 billion for the quarter ending September 30, 2025. The portfolio consists of 1,889 holdings, indicating a high degree of diversification.

The investment strategy appears to be a "Core-Satellite" approach with ...

2. Key Holdings

The portfolio is dominated by a few mega-cap positions, with the top 10 holdings accounting for approximately 65% of the total portfolio value.

Analysis generated by 13F Insight from SEC Form 13F filing data · Q2 2026. Methodology

Quarter at a glance — Q2 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q2 2026.

#HoldingValueSharesWeight
01
QQQ
INVESCO QQQ TR
$8.1B11.1M15.1%02
SPY
STATE STR SPDR S&P 500 ETF T
$7.7B10.3M14.3%03
NVDA
NVIDIA CORPORATION
$4.0B19.7M7.3%04
MSFT
MICROSOFT CORP
$3.6B9.5M6.6%05
AMZN
AMAZON COM INC
$2.0B8.3M3.7%06
AAPL
APPLE INC
$1.8B6.3M3.4%07
TSLA
TESLA INC
$1.7B4.0M3.1%08
WDC 3 11/15/28
WESTERN DIGITAL CORP
$1.4B80.5M2.5%09
IVV
ISHARES TR
$1.2B1.6M2.2%10
MU
MICRON TECHNOLOGY INC
$912M790K1.7%

Filing history

2026Q2Jun 30
$54.0B▼ 5.9%
1,641 positionsView →2026Q1Mar 31
$57.4B▲ 12.4%
1,558 positionsView →2025Q4Dec 31
$51.1B▼ 4.9%
1,530 positionsView →2025Q3Sep 30
$53.7B▲ 33.0%
1,889 positionsView →2025Q2Jun 30
$40.4B▲ 6.8%
1,556 positionsLocked2025Q1Mar 31
$37.8B▼ 8.7%
1,317 positionsLocked2024Q4Dec 31
$41.4B▲ 26.0%
1,824 positionsLocked2024Q3Sep 30
$32.9B▲ 3.0%
1,886 positionsLocked2024Q2Jun 30
$31.9B▲ 15.0%
2,031 positionsLocked2024Q1Mar 31
$27.8B▼ 16.4%
2,306 positionsLocked2023Q4Dec 31
$33.2B▲ 49.5%
2,073 positionsLocked2023Q3Sep 30
$22.2B▲ 9.8%
2,081 positionsLocked
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