Citadel Advisors’s Pfizer PFE Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$252M Sell
8,992,100
-1,021,600
-10% -$27.2M 0.04% 358
2025
Q4
$249M Buy
10,013,700
+2,737,800
+38% +$69M 0.04% 405
2025
Q3
$185M Sell
7,275,900
-5,588,800
-43% -$138M 0.03% 513
2025
Q2
$312M Sell
12,864,700
-2,926,900
-19% -$68.3M 0.05% 270
2025
Q1
$400M Sell
15,791,600
-1,985,100
-11% -$51.9M 0.08% 176
2024
Q4
$472M Buy
17,776,700
+5,746,800
+48% +$156M 0.08% 161
2024
Q3
$348M Sell
12,029,900
-74,100
-0.6% -$2.16M 0.07% 208
2024
Q2
$339M Buy
12,104,000
+2,558,300
+27% +$70.4M 0.07% 206
2024
Q1
$265M Buy
9,545,700
+1,492,100
+19% +$41.4M 0.05% 280
2023
Q4
$232M Sell
8,053,600
-5,555,700
-41% -$168M 0.05% 297
2023
Q3
$451M Buy
13,609,300
+6,418,200
+89% +$227M 0.1% 114
2023
Q2
$264M Buy
7,191,100
+1,908,300
+36% +$74.3M 0.05% 225
2023
Q1
$216M Sell
5,282,800
-3,422,900
-39% -$148M 0.05% 289
2022
Q4
$446M Sell
8,705,700
-1,361,800
-14% -$65.3M 0.1% 130
2022
Q3
$441M Sell
10,067,500
-162,500
-2% -$7.9M 0.1% 112
2022
Q2
$536M Sell
10,230,000
-2,065,200
-17% -$105M 0.14% 81
2022
Q1
$637M Sell
12,295,200
-613,200
-5% -$31.8M 0.13% 76
2021
Q4
$762M Buy
12,908,400
+7,067,400
+121% +$350M 0.16% 62
2021
Q3
$251M Sell
5,841,000
-1,561,500
-21% -$69.2M 0.05% 270
2021
Q2
$290M Buy
7,402,500
+2,895,400
+64% +$113M 0.06% 208
2021
Q1
$163M Sell
4,507,100
-2,869,600
-39% -$102M 0.04% 368
2020
Q4
$272M Buy
7,376,700
+2,648,878
+56% +$97.2M 0.07% 171
2020
Q3
$165M Buy
4,727,822
+2,340,512
+98% +$82.1M 0.05% 255
2020
Q2
$74.1M Sell
2,387,310
-1,212,100
-34% -$41.2M 0.03% 556
2020
Q1
$111M Buy
3,599,410
+1,195,868
+50% +$40.7M 0.05% 303
2019
Q4
$89.3M Sell
2,403,542
-972,631
-29% -$34.6M 0.04% 450
2019
Q3
$115M Buy
3,376,173
+1,098,268
+48% +$39.9M 0.05% 348
2019
Q2
$93.6M Sell
2,277,905
-213,856
-9% -$8.49M 0.04% 422
2019
Q1
$100M Buy
2,491,761
+360,151
+17% +$14.4M 0.05% 362
2018
Q4
$88.3M Buy
2,131,610
+200,260
+10% +$8.31M 0.05% 364
2018
Q3
$80.8M Sell
1,931,350
-267,821
-12% -$10.3M 0.04% 500
2018
Q2
$75.7M Buy
2,199,171
+720,093
+49% +$24.6M 0.04% 485
2018
Q1
$49.8M Buy
1,479,078
+72,726
+5% +$2.5M 0.03% 606
2017
Q4
$48.3M Sell
1,406,352
-353,512
-20% -$12.1M 0.03% 634
2017
Q3
$59.6M Sell
1,759,864
-468,081
-21% -$15M 0.05% 458
2017
Q2
$71M Sell
2,227,945
-825,704
-27% -$26M 0.06% 351
2017
Q1
$99.1M Buy
3,053,649
+246,004
+9% +$7.76M 0.09% 203
2016
Q4
$86.5M Buy
2,807,645
+1,056,319
+60% +$32.2M 0.09% 204
2016
Q3
$56.3M Sell
1,751,326
-1,046,939
-37% -$35M 0.06% 336
2016
Q2
$93.5M Buy
2,798,265
+1,385,800
+98% +$44.2M 0.1% 158
2016
Q1
$39.7M Buy
1,412,465
+431,191
+44% +$12.3M 0.05% 392
2015
Q4
$30.1M Sell
981,274
-528,476
-35% -$16.6M 0.03% 615
2015
Q3
$45M Buy
1,509,750
+706,918
+88% +$22.7M 0.04% 484
2015
Q2
$25.5M Buy
802,832
+79,577
+11% +$2.59M 0.02% 851
2015
Q1
$23.9M Sell
723,255
-3,478
-0.5% -$111K 0.02% 885
2014
Q4
$21.5M Sell
726,733
-59,024
-8% -$1.69M 0.02% 894
2014
Q3
$22M Sell
785,757
-300,601
-28% -$8.44M 0.02% 853
2014
Q2
$30.6M Buy
1,086,358
+388,715
+56% +$11.1M 0.04% 596
2014
Q1
$21.3M Sell
697,643
-402,311
-37% -$12M 0.02% 788
2013
Q4
$32M Buy
1,099,954
+194,779
+22% +$5.67M 0.04% 554
2013
Q3
$24.7M Buy
905,175
+156,624
+21% +$4.26M 0.04% 622
2013
Q2
$19.9M Buy
+748,551
New +$20.7M 0.03% 663

Other funds holding PFE

Citadel Advisors's PFE Position: Q1 2026 in Review

Citadel Advisors increased its Pfizer (PFE) stake by 36% in Q1 2026, buying an estimated $52M and bringing the position to 7,359,865 shares worth $207M. The position accounts for 0.03% of the portfolio, ranked #443.

Citadel Advisors first reported a position in PFE in Q2 2013 and has held it in 52 quarters since. The position peaked at $571M in Q2 2024. 2,937 funds tracked by Wall St. Rank hold PFE as of Q1 2026.

  • Citadel Advisors held 7,359,865 shares of Pfizer worth $207M as of Q1 2026.
  • Citadel Advisors bought 1,952,489 Pfizer shares in Q1 2026, an estimated $52M.
  • Pfizer made up 0.03% of Citadel Advisors's portfolio in Q1 2026, its #443 holding.
  • Citadel Advisors first reported a position in Pfizer in Q2 2013 and has held it in 52 quarters since.
  • Citadel Advisors's Pfizer position peaked at $571M in Q2 2024.
  • 2,937 funds tracked by Wall St. Rank held Pfizer as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.