SEC 13F Intelligence

PFIZER INC

CUSIP 717081953

Pfizer Inc has 1 institutional holders in Filings Flow’s 13F database, together reporting 225.9K shares worth $6,343 as of Q1 2026. The largest reported holders are Simplex Trading, LLC, National Bank Of Canada /Fi/, and Imc-Chicago, LLC.

Institutional Holders
1
Q1 2026
Reported Value
$6,343
Ticker
unmapped
private placement or foreign
Quarters Tracked
6

Ownership Trend

Institutional holders
Q2 ’19: 1Q2 ’19Q3 ’19: 1Q3 ’19Q4 ’21: 1Q4 ’21Q4 ’22: 1Q4 ’22Q4 ’25: 1Q4 ’25Q1 ’26: 1Q1 ’26filingsflow.com
Total reported value
Q2 ’19: $176,000Q2 ’19Q3 ’19: $2MQ3 ’19Q4 ’21: $342,000Q4 ’21Q4 ’22: $256Q4 ’22Q4 ’25: $11,770Q4 ’25Q1 ’26: $6,343Q1 ’26filingsflow.com

Holders

Mixed quarters
Manager% of PortfolioValueSharesQuarter
GROUP ONE TRADING LLC$52.2B AUM0.08%$40M1.41MQ1 2026
NATIONAL BANK OF CANADA /FI/$111.5B AUM0.07%$71M29.5KQ2 2025OLDER
SIMPLEX TRADING, LLC$149.1B AUM0.05%$73M2.59MQ1 2026
CenterStar Asset Management, LLC$797M AUM0.04%$325,72811.6KQ1 2026
Marathon Trading Investment Management LLC$3.7B AUM0.04%$509,60020.0KQ3 2025OLDER
Garda Capital Partners LP$385M AUM0.03%$1M52.1KQ2 2025OLDER
IMC-Chicago, LLC$278.4B AUM0.01%$40M1.42MQ1 2026
Maven Securities LTD$5.2B AUM0.01%$557,52023.0KQ2 2025OLDER
JPMORGAN CHASE & CO$1.56T AUM0.00%$38M1.35MQ1 2026
AlphaCore Capital LLC$4.2B AUM0.00%$26,290350Q3 2025OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.