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CAPSTONE INVESTMENT ADVISORS, LLC

Position in IBKR — Interactive Brokers Group, Inc.

CIK 1426196 NEW YORK, NY

Position in IBKR

as of Jun 30, 2026 · filed Aug 17, 2026
Position Value
$659,850
+$659,850 QoQ
Shares Held
7,581
Ownership
0.002%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#652
of 1,105 holders
Holding Since
Jun 2021
8 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in IBKR Over Time

Shares Held

Position Value (USD)

Derivatives in IBKR

reported options exposure · as of Jun 30, 2026
CallValue
$295,936
CallShares
3,400
PutValue
$2,054,144
PutShares
23,600

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Capital Markets

Financial Services · as of Jun 30, 2026

CAPSTONE INVESTMENT ADVISORS, LLC holds $25,466,542 across 14 Capital Markets names. IBKR ranks #11 (2.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in IBKR

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,054,144 23,600
2026-06-30 $659,850 7,581
2026-06-30 $295,936 3,400
2026-03-31 $1,287,744 19,200
2025-12-31 $298,655 4,644
2025-09-30 $277,785 4,037
2025-06-30 $699,772 12,629
2024-12-31 $465,525 2,635
2024-06-30 $602,088 4,911
2021-06-30 $4,683,065 71,247