JANE STREET GROUP, LLC - 31 Mar 2026 SCHEDULE 13G/A Report for Strategy Inc Class A common stock, $0.001 par value per share (MSTR)

Key filing fact

JANE STREET GROUP, LLC disclosed 4% ownership in Strategy Inc Class A common stock, $0.001 par value per share (MSTR) on 31 Mar 2026.

Key facts

JANE STREET GROUP, LLC filed SCHEDULE 13G/A for Strategy Inc Class A common stock, $0.001 par value per share (MSTR).
Disclosed ownership: 4%.
Date of event: 31 Mar 2026.

This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
You can verify ownership claims directly against the original SEC filing.

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

Reporting persons

Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name	Ownership	Shares Owned	shared voting power	Signature	Title
JANE STREET GROUP, LLC	4%	13,064,661	13,064,661	/s/ Jeremy Kahn	Jeremy Kahn (Authorized Signatory)
Jane Street Capital, LLC	4%	12,945,072	12,945,072	/s/ Jeremy Kahn	Jeremy Kahn (Authorized Signatory)
Jane Street Options, LLC	0%	108,500	108,500	/s/ Jeremy Kahn	Jeremy Kahn (Authorized Signatory)
Jane Street Global Trading, LLC	0%	11,089	11,089	/s/ Jeremy Kahn	Jeremy Kahn (Authorized Signatory)
Jane Street Singapore Pte. Ltd	0%	0	0	/s/ Jeremy Kahn	Jeremy Kahn (Authorized Signatory)

CIK / CUSIP context first

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