DOSSIER · 13F Holders · Q3 2026

PFIZER INC

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

CUSIP 717081953·10 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$259M
visible holders
Holders
10
filers reporting
Concentration
33.32%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

10 institutions reported PFIZER INC in Q3 2026. IMC-Chicago, LLC leads at 33.3% 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
$86M3.0M0.02%Q3 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$80M2.8M0.04%Q3 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$30M1.1M0.04%Q3 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$22M891K0.00%Q2 2026
05
Capital Markets Trading UK LLP
CIK 0001719165
$15M518K0.18%Q1 2026
06
CMT Capital Markets Trading GmbH
CIK 0001632813
$14M500K0.15%Q1 2026
07
HRT FINANCIAL LP
CIK 0001475597
$12M473K0.04%Q4 2025
08
C Partners Holding GmbH
CIK 0001634083
$203K1K0.06%Q2 2026
09
SG Americas Securities, LLC
CIK 0001313360
$85K500K0.00%Q1 2026
10
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025