Ken Griffin Pfizer Inc Transaction History

Citadel Advisors LLC

$550 Billion
Q2 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Pfizer Inc stock. As of the latest transaction made, Citadel Advisors LLC holds 12,864,700 shares of PFE stock, worth $309 Million. This represents 0.06% of its overall portfolio holdings.

Number of Shares

12,864,700

Previous 15,791,600 18.53%

Holding current value

$309 Million

Previous $400 Million 22.07%

% of portfolio

0.06%

Previous 0.08%

32 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	BUY	$21.59 - $24.84 $169 Million - $195 Million	7,831,434 Added 111.32%	14,866,203 $360 Million
Q1 2025 May 15, 2025	SELL	$25.01 - $27.13 $196 Million - $213 Million	-7,838,540 Reduced 52.7%	7,034,769 $178 Million
Q4 2024 Feb 14, 2025	BUY	$24.8 - $30.19 $169 Million - $206 Million	6,811,116 Added 84.48%	14,873,309 $395 Million
Q3 2024 Nov 14, 2024	SELL	$27.7 - $31.39 $342 Million - $387 Million	-12,333,440 Reduced 60.47%	8,062,193 $233 Million
Q2 2024 Aug 14, 2024	BUY	$25.26 - $29.6 $199 Million - $233 Million	7,886,096 Added 63.04%	20,395,633 $571 Million
Q1 2024 May 15, 2024	BUY	$25.89 - $29.73 $22.8 Million - $26.1 Million	879,463 Added 7.56%	12,509,537 $347 Million
Q4 2023 Feb 14, 2024	BUY	$26.13 - $33.94 $244 Million - $317 Million	9,343,112 Added 408.54%	11,630,074 $335 Million
Q3 2023 Nov 14, 2023	BUY	$32.09 - $37.51 $5.21 Million - $6.09 Million	162,461 Added 7.65%	2,286,962 $75.9 Million
Q2 2023 Aug 14, 2023	BUY	$36.12 - $41.79 $21.7 Million - $25.1 Million	600,673 Added 39.42%	2,124,501 $77.9 Million
Q1 2023 May 15, 2023	BUY	$39.39 - $51.28 $13 Million - $17 Million	330,884 Added 27.74%	1,523,828 $62.2 Million
Q4 2022 Feb 14, 2023	SELL	$41.75 - $54.5 $119 Million - $156 Million	-2,858,017 Reduced 70.55%	1,192,944 $61.2 Million
Q3 2022 Nov 14, 2022	BUY	$43.76 - $53.42 $137 Million - $167 Million	3,121,361 Added 335.77%	4,050,961 $177 Million
Q2 2022 Aug 15, 2022	SELL	$46.53 - $55.17 $23.2 Million - $27.5 Million	-499,168 Reduced 34.94%	929,600 $48.7 Million
Q1 2022 May 16, 2022	BUY	$45.75 - $56.69 $20.5 Million - $25.3 Million	447,036 Added 45.54%	1,428,768 $74 Million
Q4 2021 Feb 14, 2022	SELL	$41.32 - $61.25 $179 Million - $266 Million	-4,336,153 Reduced 81.54%	981,732 $58 Million
Q3 2021 Nov 15, 2021	BUY	$39.25 - $50.42 $181 Million - $232 Million	4,608,491 Added 649.64%	5,317,885 $229 Million
Q2 2021 Aug 16, 2021	SELL	$35.91 - $40.68 $267 Million - $303 Million	-7,448,658 Reduced 91.3%	709,394 $27.8 Million
Q1 2021 May 17, 2021	BUY	$33.49 - $37.77 $75.2 Million - $84.9 Million	2,246,608 Added 38.0%	8,158,052 $296 Million
Q4 2020 Feb 16, 2021	BUY	$33.47 - $42.56 $158 Million - $201 Million	4,734,237 Added 402.16%	5,911,444 $218 Million
Q3 2020 Nov 16, 2020	BUY	$31.75 - $37.25 $116,998 - $137,266	3,685 Added 0.31%	1,177,207 $43.2 Million
Q2 2020 Aug 14, 2020	SELL	$30.12 - $36.54 $211 Million - $256 Million	-6,997,192 Reduced 85.64%	1,173,522 $38.4 Million
Q1 2020 May 15, 2020	BUY	$27.03 - $38.62 $143 Million - $204 Million	5,281,685 Added 182.82%	8,170,714 $267 Million
Q4 2019 Feb 14, 2020	BUY	$32.92 - $37.36 $38.5 Million - $43.7 Million	1,170,510 Added 68.11%	2,889,029 $113 Million
Q3 2019 Nov 14, 2019	BUY	$32.49 - $42.13 $37.1 Million - $48.1 Million	1,142,162 Added 198.17%	1,718,519 $58.6 Million
Q2 2019 Aug 14, 2019	SELL	$36.98 - $41.52 $12.2 Million - $13.8 Million	-331,215 Reduced 36.49%	576,357 $25 Million
Q1 2019 May 15, 2019	BUY	$37.5 - $41.2 $12.1 Million - $13.3 Million	323,435 Added 55.37%	907,572 $0
Q4 2018 Feb 14, 2019	SELL	$38.47 - $43.86 $144 Million - $165 Million	-3,753,611 Reduced 86.53%	584,137 $24.2 Million
Q3 2018 Nov 13, 2018	BUY	$34.47 - $41.81 $148 Million - $179 Million	4,283,216 Added 7854.5%	4,337,748 $0
Q2 2018 Aug 10, 2018	SELL	$32.98 - $35.16 $2.21 Million - $2.35 Million	-66,929 Reduced 55.1%	54,532 $0
Q1 2018 May 11, 2018	SELL	$31.91 - $37.02 $2.49 Million - $2.89 Million	-78,165 Reduced 39.16%	121,461 $4.31 Million
Q4 2017 Feb 09, 2018	SELL	$33.26 - $35.29 $224 Million - $237 Million	-6,725,828 Reduced 97.12%	199,626 $7.23 Million
Q3 2017 Nov 09, 2017	BUY	$31.0 - $34.15 $215 Million - $237 Million	6,925,454	6,925,454 $247 Million

Others Institutions Holding PFE

# of Institutions

3,293

Shares Held

3.66B

Call Options Held

96M

Put Options Held

121M

View Full List

About PFIZER INC

Ticker PFE
Exchange NYSE
Sector Healthcare
Industry Drug Manufacturers—General
Shares Outstandng 5,612,349,952
Market Cap $135B
Description
Pfizer Inc. discovers, develops, manufactures, markets, distributes, and sells biopharmaceutical products worldwide. It offers medicines and vaccines in various therapeutic areas, including cardiovascular metabolic and women's health under the Premarin family and Eliquis brands; biologics, small molecules, immunotherapies, and biosimilars under ...

More about PFE

Track Ken Griffin's Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Citadel Advisors LLC, based on Form 13F filings with the SEC.

News

Stay updated on Citadel Advisors LLC and Ken Griffin with notifications on news.

Account