13F Insight
DOSSIER · 13F Holders · Q2 2026

CITIGROUP INC CALL

19 institutions still hold CITIGROUP INC CALL as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 172967904·19 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$1.5B
visible holders
Holders
19
filers reporting
Concentration
31.68%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q2 2026

19 institutions reported CITIGROUP INC CALL in Q2 2026. Optiver Holding B.V. leads at 31.7% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Optiver Holding B.V.
CIK 0001859606· Market maker
$491M3.5M0.13%Q2 202602
IMC-Chicago, LLC
CIK 0001452861· Market maker
$333M2.4M0.08%Q2 202603
CMT Capital Markets Trading GmbH
CIK 0001632813
$225M2.0M2.35%Q1 202604
SIMPLEX TRADING, LLC
CIK 0001488542
$186M1.3M0.11%Q2 202605
GROUP ONE TRADING LLC
CIK 0000932540
$132M945K0.19%Q2 202606
JPMORGAN CHASE & CO
CIK 0000019617
$87M607K0.00%Q2 202607
SG Americas Securities, LLC
CIK 0001313360
$22M614K0.02%Q1 202608
CIBC Bancorp USA Inc.
CIK 0001711924
$20M140K0.02%Q2 202609
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$17M1K0.01%Q2 202610
Assenagon Asset Management S.A.
CIK 0001546007· Quasi-passive
$16M120K0.01%Q3 202611
HRT FINANCIAL LP
CIK 0001475597
$6M55K0.02%Q4 202512
CLEAR WAVE WEALTH MANAGEMENT LLC
CIK 0002113615
$6M40K1.03%Q2 202613
Capital Markets Trading UK LLP
CIK 0001719165
$5M47K0.07%Q1 202614
Maven Securities LTD
CIK 0001633046
$4M25K0.07%Q2 202615
AlphaCore Capital LLC
CIK 0001713662
$1M1500.02%Q2 202616
Meridian Wealth Management, LLC
CIK 0001697300
$252K2K0.01%Q2 202617
Tennessee Valley Asset Management Partners
CIK 0001826790
$16K20.00%Q2 202618
OSAIC HOLDINGS, INC.
CIK 0001677044
$14K1000.00%Q2 202619
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025