Calamos Advisors LLC

Position in PFE — Pfizer Inc

CIK 1316507 NAPERVILLE, IL

Back to PFE Full portfolio

Position in PFE

as of Jun 30, 2026 · filed Jul 31, 2026 Compact

Position Value

$42,225,435

-$8,477,469 QoQ

Shares Held

1,753,548

-2.9% QoQ

Ownership

0.031%

of shares outstanding

% of Portfolio

0.24%

of 13F equity value

Holder Rank

#198

of 2,821 holders

Holding Since

Mar 2020

26 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

Calamos Advisors LLC holds $812,352,405 across 9 Drug Manufacturers - General names. PFE ranks #6 (5.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LLY	ELI LILLY & Co	283,001	$339,439,917
2	JNJ	Johnson & Johnson	647,222	$164,374,971
3	ABBV	AbbVie Inc.	399,893	$100,629,074
4	MRK	Merck & Co., Inc.	650,503	$83,589,635
5	GILD	Gilead Sciences, Inc.	356,488	$45,038,693
6	PFE	Pfizer Inc This page	1,753,548	$42,225,435
7	AMGN	Amgen Inc	68,480	$24,797,977
8	BIIB	Biogen Inc.	34,879	$7,535,956

All Filings in PFE

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$42,225,435	1,753,548	-2.9%	Shares	Sole	2026-07-31
2026-03-31	$50,702,904	1,805,659	-5.9%	Shares	Sole	2026-05-04
2025-12-31	$47,789,972	1,919,276	+3.2%	Shares	Sole	2026-01-29
2025-09-30	$47,401,259	1,860,332	0.0%	Shares	Sole	2025-10-20
2025-06-30	$45,094,447	1,860,332	+4.7%	Shares	Sole	2025-08-08
2025-03-31	$45,013,114	1,776,366	+8.1%	Shares	Sole	2025-04-29
2024-12-31	$43,577,488	1,642,574	+70.2%	Shares	Sole	2025-01-24
2024-09-30	$27,933,843	965,233	-2.4%	Shares	Sole	2024-11-07
2024-06-30	$27,669,841	988,915	-26.7%	Shares	Sole	2024-07-25
2024-03-31	$37,416,268	1,348,334	-1.8%	Shares	Sole	2024-05-08
2023-12-31	$39,536,616	1,373,276	-0.8%	Shares	Sole	2024-01-31
2023-09-30	$45,928,177	1,384,630	+0.1%	Shares	Sole	2023-10-26
2023-06-30	$50,740,984	1,383,342	+0.0%	Shares	Sole	2023-07-28
2023-03-31	$56,413,344	1,382,680	-8.7%	Shares	Sole	2023-05-04
2022-12-31	$77,636,388	1,515,152	-12.2%	Shares	Sole	2023-01-26
2022-09-30	$75,523,677	1,725,861	-7.4%	Shares	Sole	2022-10-24
2022-06-30	$97,699,058	1,863,419	+7.5%	Shares	Sole	2022-08-01
2022-03-31	$89,705,917	1,732,778	+11.8%	Shares	Sole	2022-05-03
2021-12-31	$91,529,330	1,550,031	-1.1%	Shares	Sole	2022-02-01
2021-09-30	$67,404,841	1,567,190	+12.8%	Shares	Sole	2021-10-26
2021-06-30	$54,424,685	1,389,803	+21.9%	Shares	Sole	2021-07-22
2021-03-31	$41,297,671	1,139,875	+2.4%	Shares	Sole	2021-04-12
2020-12-31	$40,992,793	1,113,632	-3.1%	Shares	Sole	2021-01-27
2020-09-30	$42,197,104	1,149,786	-18.3%	Shares	Sole	2020-10-26
2020-06-30	$46,047,173	1,408,169	-4.1%	Shares	Sole	2020-07-27
2020-03-31	$47,934,288	1,468,577	—	Shares	Sole	2020-04-28
No filing history on record for this holder in this stock.