How many institutional investors hold PFE?

5 tracked institutional investors disclosed a position in PFE (PFIZER INC) in their most recent 13F filing.

Who is the largest institutional holder of PFE?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in PFE, valued at $855M.

What sector is PFE in?

PFIZER INC is classified in the Health Care GICS sector, Drug Manufacturers industry.

Where does this PFE ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

PFE — PFIZER INC

Name: PFIZER INC (PFE) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Health Care · Drug Manufacturers

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying PFE?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence

Institutional Conviction

Net accumulation · 1 buying vs 0 selling last quarter

Macro Tailwind

Macro conditions are mixed for this sector

Congressional Activity

0 congressional purchases, 2 sales disclosed in the last 6 months

Why? — Evidence & Confidence ▾

Of 1 tracked investors who changed their PFE position last quarter, 1 bought and 0 sold (100% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 55/100 in a Squeeze regime). 0 congressional purchases, 2 sales disclosed in the last 6 months.

Supporting evidence

+1 tracked investor added or increased positions last quarter (Michael Burry)
+5 tracked investors reported holding PFE at their latest filing
+Macro Health is 52/100 in a Squeeze regime — historically acceptable for Health Caresource

Contradicting evidence — always shown

−Congressional disclosures lean toward selling (2 sales vs 0 purchases, 6 months)
−13F data is disclosed up to 45 days after quarter end — positions may have changed since

Know the limits

· 13F disclosure lag (up to 45 days)
· Tracked investors are a sample, not the whole market
· Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 8/4/2026.

About PFIZER INC (PFE)

PFIZER INC (PFE) appears in the most recent 13F filings of 5 tracked institutional investors. PFIZER INC is classified in the Health Care sector (Drug Manufacturers industry). The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $855M. Across recent filings, tracked investors recorded 1 new positions, 0 increased, 0 reduced, and 0 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in PFE

100

/100

Strong Institutional Accumulation

Added / Increased1

Reduced0

Exited0

BearishBullish

Crowded Trade Score™

How many top investors track PFE

/100

Emerging Interest

5investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

PFE Ownership Composition

How PFIZER INC is held across tracked investor types, based on reported 13F positions.

Dominant Type

Other

73% of tracked value

Institutions

tracked investors

Total Reported

$1.3B

combined 13F value

Other73.1%
Hedge Funds26.9%

Other(3)

73.1%

Hedge Funds(2)

26.9%

Tracked investors reporting PFE

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	28.4M	$797.6M	0.13%	Mar 31, 2026
Steve Cohen	Point72 Asset Management	7.2M	$203M	0.26%	Mar 31, 2026
Michael Burry	Scion Asset Management	6M	$152.9M	11.07%	Sep 30, 2025
Izzy Englander	Millennium Management	5.3M	$148.2M	0.06%	Mar 31, 2026
Paul Tudor Jones	Tudor Investment Corp	729.5K	$20.5M	0.04%	Mar 31, 2026

Ken GriffinMar 31, 2026
Citadel Advisors
Shares
28.4M
Value
$797.6M
% Portfolio
0.13%
Steve CohenMar 31, 2026
Point72 Asset Management
Shares
7.2M
Value
$203M
% Portfolio
0.26%
Michael BurrySep 30, 2025
Scion Asset Management
Shares
6M
Value
$152.9M
% Portfolio
11.07%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
5.3M
Value
$148.2M
% Portfolio
0.06%
Paul Tudor JonesMar 31, 2026
Tudor Investment Corp
Shares
729.5K
Value
$20.5M
% Portfolio
0.04%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Michael Burry	New	—	$152.9M	Nov 3, 2025

Michael Burry
New
$152.9MNov 3, 2025

Frequently asked questions

How many institutional investors hold PFE?: 5 tracked institutional investors disclosed a position in PFE (PFIZER INC) in their most recent 13F filing.
Who is the largest institutional holder of PFE?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in PFE, valued at $855M.
Did institutional ownership of PFE increase or decrease?: Across recent 13F filings, tracked investors recorded 1 new positions, 0 increased, 0 reduced, and 0 fully exited PFE.
What sector is PFE in?: PFIZER INC is classified in the Health Care GICS sector, Drug Manufacturers industry.
Where does this PFE ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.