DOSSIER · 13F Holders · Q2 2026
ARBK

ARGO BLOCKCHAIN PLC

6 institutions still hold ARGO BLOCKCHAIN PLC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 040126302·6 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$277K
visible holders
Holders
6
filers reporting
Concentration
71.10%
SUSQUEHANNA INTERNATIONAL GROUP, LLP #1
top holder share
AI Holders Summary · Q2 2026

Argo Blockchain (ARBK) has one of the thinnest institutional footprints on the platform — just 7 reported 13F holders and about $172K in combined value as of Q1 2026. Susquehanna International dominates at roughly $137K (80% of the book), with Westside Investment ($24K) and Morgan Stanley ($8K) trailing. The near-total Susquehanna concentration marks this as a market-maker position rather than fundamental conviction.

The ownership is effectively one name. Susquehanna International Group holds about $137,000 — some 80% of the entire disclosed book — with only small residuals from Westside Investment Management ($24K) and Morgan Stanley ($8K). Susquehanna is a market-making and quant firm, so its ARBK position most likely reflects hedging or arbitrage tied to crypto exposure rather than a view on Argo's mining business.

For readers, ARBK's institutional story is a single-desk one: the entire signal is Susquehanna's positioning, and there is no fundamental long-only base behind it. Any change in that one holder would essentially redefine the stock's 13F profile.

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

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$197K52K0.00%Q2 2026
02
Creative Planning
CIK 0001540235
$76K20K0.00%Q2 2026
03
RHUMBLINE ADVISERS
CIK 0001115418
$3K7490.00%Q2 2026
04
MORGAN STANLEY
CIK 0000895421
$6611740.00%Q2 2026
05
SBI Securities Co., Ltd.
CIK 0001851815
$258680.00%Q2 2026
06
Farther Finance Advisors, LLC
CIK 0001992825
$143630.00%Q3 2026
Insiders at ARGO BLOCKCHAIN PLC
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