13F Insight
DOSSIER · 13F Holders · Q2 2026

PFIZER INC

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

CUSIP 717081903·14 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$326M
visible holders
Holders
14
filers reporting
Concentration
22.63%
SIMPLEX TRADING, LLC #1
top holder share
AI Holders Summary · Q2 2026

14 institutions reported PFIZER INC in Q2 2026. SIMPLEX TRADING, LLC leads at 22.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
SIMPLEX TRADING, LLC
CIK 0001488542
$74M3.1M0.04%Q2 202602
IMC-Chicago, LLC
CIK 0001452861· Market maker
$74M3.1M0.02%Q2 202603
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$48M20K0.03%Q2 202604
JPMORGAN CHASE & CO
CIK 0000019617
$46M1.9M0.00%Q2 202605
GROUP ONE TRADING LLC
CIK 0000932540
$37M1.6M0.05%Q2 202606
Capital Markets Trading UK LLP
CIK 0001719165
$30M1.1M0.37%Q1 202607
CMT Capital Markets Trading GmbH
CIK 0001632813
$11M388K0.11%Q1 202608
HRT FINANCIAL LP
CIK 0001475597
$5M218K0.02%Q4 202509
ORACLE INVESTMENT MANAGEMENT INC
CIK 0001012622
$623K25K0.37%Q4 202510
SG Americas Securities, LLC
CIK 0001313360
$193K164K0.00%Q1 202611
OSAIC HOLDINGS, INC.
CIK 0001677044
$169K7K0.00%Q2 202612
AlphaCore Capital LLC
CIK 0001713662
$17K500.00%Q2 202613
Timothy G. Youngquist 2020 Irrevocable Trust
CIK 0002109159
$5K28K0.00%Q2 202614
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025