DOSSIER · 13F Holders · Q2 2026

ONECONSTRUCTION GROUP LTD

8 institutions still hold ONECONSTRUCTION GROUP LTD as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G6826S100·8 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$369K
visible holders
Holders
8
filers reporting
Concentration
62.04%
XTX Topco Ltd #1
top holder share
AI Holders Summary · Q2 2026

8 institutions reported ONECONSTRUCTION GROUP LTD in Q2 2026. XTX Topco Ltd leads at 62.0% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
XTX Topco Ltd
CIK 0001828301
$229K192K0.00%Q2 2026
02
Ground Swell Capital, LLC
CIK 0001534450
$95K80K0.10%Q2 2026
03
StoneX Group Inc.
CIK 0000913760
$16K14K0.00%Q2 2026
04
TWO SIGMA SECURITIES, LLC
CIK 0001450144· Market maker
$13K11K0.00%Q2 2026
05
UBS Group AG
CIK 0001610520
$10K8K0.00%Q2 2026
06
Tower Research Capital LLC (TRC)
CIK 0001533421
$6K5K0.00%Q2 2026
07
Caitong International Asset Management Co., Ltd
CIK 0001963355
$110.00%Q2 2026
08
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025