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WESTFIELD CAPITAL MANAGEMENT CO LP

Position in PFE — Pfizer Inc

CIK 1177719 BOSTON, MA

Position in PFE

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$3,901,513
+$146,263 QoQ
Shares Held
162,023
+21.2% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#700
of 2,821 holders
Holding Since
Mar 2024
8 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in PFE Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

WESTFIELD CAPITAL MANAGEMENT CO LP holds $691,252,397 across 8 Drug Manufacturers - General names. PFE ranks #6 (0.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 PFE
Pfizer Inc
This page
162,023 $3,901,513

All Filings in PFE

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8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,901,513 162,023
2026-03-31 $3,755,250 133,734
2025-12-31 $3,434,606 137,936
2025-03-31 $7,999,761 315,697
2024-12-31 $8,959,605 337,716
2024-09-30 $9,710,990 335,556
2024-06-30 $7,699,480 275,178
2024-03-31 $7,056,547 254,290