DOSSIER · 13F Holders · Q3 2026

MONGODB INC

9 institutions still hold MONGODB INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 60937P906·9 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$1.1B
visible holders
Holders
9
filers reporting
Concentration
83.40%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

9 institutions reported MONGODB INC in Q3 2026. IMC-Chicago, LLC leads at 83.4% 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
$950M2.7M0.20%Q3 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$83M247K0.02%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$56M161K0.03%Q3 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$45M128K0.06%Q3 2026
05
JPMORGAN CHASE & CO
CIK 0000019617
$3M10K0.00%Q3 2026
06
CMT Capital Markets Trading GmbH
CIK 0001632813
$1M6K0.02%Q1 2026
07
Universal- Beteiligungs- und Servicegesellschaft mbH
CIK 0002057170
$493K90K0.00%Q3 2026
08
OSAIC HOLDINGS, INC.
CIK 0001677044
$15K10.00%Q3 2026
09
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025