DOSSIER · 13F Holders · Q1 2026Most-boughtAI cap-ex
AMBR

AMBER INTERNATIONAL HLD ADR

16 institutions still hold AMBER INTERNATIONAL HLD ADR as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 45113Y203·16 13F holders·last filed Mar 31, 2026
Market cap
7.1%
vs prior quarter
13F value held
$621,653
65.0% inst. owned
of float
Holders
16
+88 QoQ
filers reporting
Activity
+62 / −89
+966 added · −845 reduced
this quarter
Concentration
36.33%
Pantera Capital Partners LP #1
top holder share
AI Holders Summary · Q1 2026

16 institutions reported AMBR in Q1 2026. Pantera Capital Partners LP leads at 36.3% of the visible book. +88 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
Pantera Capital Partners LP
CIK 0002067181
$225,83896K0.14%Q1 2026
02
CITADEL ADVISORS LLC
CIK 0001423053
$88,22151K0.00%Q4 2025
03
SmartHarvest Portfolios, LLC
CIK 0002066604
$76,02732K0.03%Q1 2026
04
XTX Topco Ltd
CIK 0001828301
$64,50427K0.00%Q1 2026
05
UBS Group AG
CIK 0001610520
$63,21527K0.00%Q1 2026
06
MARSHALL WACE, LLP
CIK 0001318757
$39,54023K0.00%Q4 2025
07
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$27,74212K0.00%Q1 2026
08
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$27,14512K0.00%Q1 2026
09
BlackRock, Inc.
CIK 0002012383
$4,3542K0.00%Q1 2026
10
RHUMBLINE ADVISERS
CIK 0001115418
$2,4241K0.00%Q1 2026
11
Daiwa Securities Group Inc.
CIK 0001481045
$1,1028000.00%Q1 2026
12
SIMPLEX TRADING, LLC
CIK 0001488542
$8143450.00%Q1 2026
13
SBI Securities Co., Ltd.
CIK 0001851815
$5502330.00%Q1 2026
14
MORGAN STANLEY
CIK 0000895421
$172730.00%Q1 2026
15
Caitong International Asset Management Co., Ltd
CIK 0001963355
$520.00%Q1 2026
16
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025