Argo Blockchain Plc (ARBK) Institutional Ownership

Ownership Summary

A total of 26 institutions have reported a stake in Argo Blockchain Plc (NASDAQ:ARBK) as of September 2025, according to recent 13F filings with the SEC.

• The collective stake of institutional investors in Argo Blockchain moved to 0.1% in September 2025, a shift down from the 0.8% reported for June 2025.
• The company experienced a 1.21% quarterly change in institutional shares held, alongside an increase of 4.00% in total owners annually.
• The latest 13F cycle for Argo Blockchain reveals that of 26 total investors, 10 funds grew their exposure, whereas 6 reduced theirs and 10 made no changes.
• The aggregate institutional position in Argo Blockchain now stands at 591.97K shares as of September 2025, after investors increased their holdings (up by 7.07K shares quarter on quarter which is down 1.71Mn shares year over year).
• With 115.53K shares, BANK OF MONTREAL /CAN/ commands the largest institutional position in Argo Blockchain as of September 30, 2025, equating to 0.02% of the company.
• Among the most significant buyers of Argo Blockchain during September 2025 were SUSQUEHANNA INTERNATIONAL GROUP, LLP (64.93K), StoneX Group Inc. (41.33K), GROUP ONE TRADING LLC (34.30K), Virtu Financial LLC (31.22K), RHUMBLINE ADVISERS (7.38K).
• Leading sellers of Argo Blockchain stock in September 2025 included JANE STREET GROUP, LLC (63.59K), UBS Group AG (50.15K), CITADEL ADVISORS LLC (26.62K), Baader Bank Aktiengesellschaft (19.35K), SIMPLEX TRADING, LLC (12.83K).
• The top 10 institutional holders of Argo Blockchain for the quarter ending September 2025 included BANK OF MONTREAL /CAN/ (115.53K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (113.27K), Virtu Financial LLC (75.59K), GROUP ONE TRADING LLC (57.93K), HRT FINANCIAL LP (49.90K), StoneX Group Inc. (41.33K), CoreCap Advisors, LLC (30.00K), SBI Securities Co., Ltd. (16.58K), JANE STREET GROUP, LLC (12.50K), Welch Group, LLC (12.31K).