DOSSIER · 13F-HR · Q1 2026

CAPSTONE INVESTMENT ADVISORS, LLC

CAPSTONE INVESTMENT's hedge fund based in Boston, MA — $57.4B in tracked AUM across 1,558 positions as of Q1 2026.

CI

CAPSTONE INVESTMENT·Boston, MA·Hedge Fund

CIK 0001426196 · last filed Mar 31, 2026

Total AUM

$57.4B

▲ 12.2%

vs prior

Holdings

1,558

—

positions

Whale Score

74

74

strong

Activity

—

no data

changes this Q

Top sector

Tech

28% weight

concentration

AI Analysis · Q1 2026 · Q1 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 ...

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

INVESCO QQQ TR

$15.4B26.6M26.8%

02

STATE STR SPDR S&P 500 ETF T

$11.1B17.1M19.4%

03

AMAZON COM INC

$3.0B14.4M5.2%

04

MICROSOFT CORP

$2.6B6.9M4.5%

05

NVIDIA CORPORATION

$2.5B14.6M4.4%

06

TESLA INC

$1.6B4.3M2.8%

07

APPLE INC

$1.3B5.2M2.3%

08

ISHARES TR

$1.0B1.6M1.8%

09

ALPHABET INC

$927M3.2M1.6%

10

ISHARES TR

$818M22.8M1.4%

Filing history

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