13F Insight
DOSSIER · 13F Holders · Q1 2026

ALPHABET INC

19 institutions still hold ALPHABET INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 02079K907·19 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$4.3B
visible holders
Holders
19
filers reporting
Concentration
41.37%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q1 2026

19 institutions reported ALPHABET INC in Q1 2026. IMC-Chicago, LLC leads at 41.4% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$1.8B6.2M0.64%Q1 202602
Optiver Holding B.V.
CIK 0001859606· Market maker
$1.1B3.9M0.39%Q1 202603
JPMORGAN CHASE & CO
CIK 0000019617
$467M1.7M0.03%Q1 202604
CMT Capital Markets Trading GmbH
CIK 0001632813
$297M1.0M3.10%Q1 202605
GROUP ONE TRADING LLC
CIK 0000932540
$261M911K0.50%Q1 202606
Capital Markets Trading UK LLP
CIK 0001719165
$110M382K1.38%Q1 202607
Gladius Capital Management LP
CIK 0001540656
$94M329K4.20%Q1 202608
BlackRock, Inc.
CIK 0002012383
$65M227K0.00%Q1 202609
Monolith Management Ltd
CIK 0002008306
$41M142K12.27%Q1 202610
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$31M1K0.03%Q1 202611
HRT FINANCIAL LP
CIK 0001475597
$27M86K0.08%Q4 202512
SG Americas Securities, LLC
CIK 0001313360
$12M158K0.01%Q1 202613
Kurv Investment Management LLC
CIK 0002027462
$2M3701.08%Q1 202614
Altshuler Shaham Ltd
CIK 0001324290
$976K3K0.02%Q1 202615
Magnus Financial Group LLC
CIK 0001765216
$473K3K0.03%Q2 202616
OSAIC HOLDINGS, INC.
CIK 0001677044
$328K290.00%Q1 202617
PRAKASH INVESTMENT ADVISORS LLC
CIK 0002054677
$325K480.25%Q1 202618
Oak Harvest Investment Services
CIK 0001839430
$22K3500.00%Q1 202619
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025