Jane Street’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
$52.9M Buy
1,883,213
+1,255,392
+200% +$33.4M 0.01% 1020
2025
Q4
$15.6M Sell
627,821
-5,801,748
-90% -$146M ﹤0.01% 1831
2025
Q3
$164M Buy
6,429,569
+706,250
+12% +$17.4M 0.02% 405
2025
Q2
$139M Buy
5,723,319
+2,444,498
+75% +$57M 0.03% 368
2025
Q1
$83.1M Sell
3,278,821
-3,032,462
-48% -$79.4M 0.02% 440
2024
Q4
$167M Buy
6,311,283
+1,891,210
+43% +$51.3M 0.04% 296
2024
Q3
$128M Sell
4,420,073
-4,887,853
-53% -$143M 0.03% 320
2024
Q2
$260M Buy
9,307,926
+2,002,832
+27% +$55.1M 0.06% 172
2024
Q1
$203M Sell
7,305,094
-1,373,150
-16% -$38.1M 0.04% 215
2023
Q4
$250M Buy
8,678,244
+5,334,923
+160% +$161M 0.07% 174
2023
Q3
$111M Buy
3,343,321
+1,178,587
+54% +$41.7M 0.04% 296
2023
Q2
$79.4M Sell
2,164,734
-22,041
-1% -$858K 0.03% 420
2023
Q1
$89.2M Buy
2,186,775
+782,183
+56% +$33.8M 0.04% 332
2022
Q4
$72M Sell
1,404,592
-984,951
-41% -$47.2M 0.03% 392
2022
Q3
$105M Buy
2,389,543
+1,448,139
+154% +$70.4M 0.05% 269
2022
Q2
$49.4M Sell
941,404
-1,173,799
-55% -$59.8M 0.02% 568
2022
Q1
$110M Sell
2,115,203
-1,154,696
-35% -$59.9M 0.04% 349
2021
Q4
$193M Buy
3,269,899
+1,641,220
+101% +$81.3M 0.06% 187
2021
Q3
$70M Sell
1,628,679
-299,682
-16% -$13.3M 0.02% 458
2021
Q2
$75.5M Buy
1,928,361
+92,768
+5% +$3.61M 0.03% 393
2021
Q1
$66.5M Buy
1,835,593
+488,414
+36% +$17.3M 0.03% 392
2020
Q4
$49.6M Buy
1,347,179
+242,697
+22% +$8.9M 0.02% 458
2020
Q3
$38.5M Buy
1,104,482
+442,725
+67% +$15.5M 0.02% 487
2020
Q2
$20.5M Sell
661,757
-441,688
-40% -$15M 0.02% 741
2020
Q1
$34.2M Sell
1,103,445
-273,343
-20% -$9.31M 0.03% 316
2019
Q4
$51.2M Sell
1,376,788
-251,309
-15% -$8.95M 0.07% 174
2019
Q3
$55.5M Buy
1,628,097
+1,152,136
+242% +$41.9M 0.09% 158
2019
Q2
$19.6M Buy
475,961
+95,252
+25% +$3.78M 0.03% 376
2019
Q1
$15.3M Buy
380,709
+36,021
+10% +$1.44M 0.03% 508
2018
Q4
$14.3M Buy
344,688
+303,566
+738% +$12.6M 0.03% 430
2018
Q3
$1.72M Sell
41,122
-180,635
-81% -$6.95M ﹤0.01% 2071
2018
Q2
$7.63M Buy
221,757
+141,009
+175% +$4.82M 0.02% 760
2018
Q1
$2.72M Buy
80,748
+44,132
+121% +$1.52M 0.01% 1512
2017
Q4
$1.26M Sell
36,616
-164,034
-82% -$5.59M ﹤0.01% 2069
2017
Q3
$6.8M Buy
200,650
+143,853
+253% +$4.62M 0.02% 686
2017
Q2
$1.81M Buy
56,797
+17,468
+44% +$551K 0.01% 1592
2017
Q1
$1.28M Buy
39,329
+30,131
+328% +$950K 0.01% 1802
2016
Q4
$283K Buy
+9,198
New +$281K ﹤0.01% 3414
2016
Q3
Sell
-137,788
Closed -$4.61M 4381
2016
Q2
$4.6M Sell
137,788
-436,216
-76% -$13.9M 0.02% 670
2016
Q1
$16.1M Buy
574,004
+512,055
+827% +$14.6M 0.09% 194
2015
Q4
$1.9M Buy
61,949
+50,999
+466% +$1.6M 0.01% 1125
2015
Q3
$326K Sell
10,950
-127,117
-92% -$4.08M ﹤0.01% 2710
2015
Q2
$4.39M Buy
138,067
+67,492
+96% +$2.2M 0.03% 534
2015
Q1
$2.33M Buy
70,575
+59,970
+565% +$1.91M 0.02% 771
2014
Q4
$313K Sell
10,605
-35,849
-77% -$1.03M ﹤0.01% 1849
2014
Q3
$1.3M Buy
+46,454
New +$1.3M 0.01% 787
2013
Q3
Sell
-1,718,632
Closed -$45.7M 3010
2013
Q2
$45.7M Buy
+1,718,632
New +$47.5M 0.78% 18

Other funds holding PFE

Jane Street's PFE Position: Q1 2026 in Review

Jane Street increased its Pfizer (PFE) stake by 200% in Q1 2026, buying an estimated $33.4M and bringing the position to 1,883,213 shares worth $52.9M. The position accounts for 0.01% of the portfolio, ranked #1020.

Jane Street first reported a position in PFE in Q2 2013 and has held it in 47 quarters since. The position peaked at $260M in Q2 2024. 2,937 funds tracked by Wall St. Rank hold PFE as of Q1 2026.

  • Jane Street held 1,883,213 shares of Pfizer worth $52.9M as of Q1 2026.
  • Jane Street bought 1,255,392 Pfizer shares in Q1 2026, an estimated $33.4M.
  • Pfizer made up 0.01% of Jane Street's portfolio in Q1 2026, its #1020 holding.
  • Jane Street first reported a position in Pfizer in Q2 2013 and has held it in 47 quarters since.
  • Jane Street's Pfizer position peaked at $260M in Q2 2024.
  • 2,937 funds tracked by Wall St. Rank held Pfizer as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.