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
$301M Sell
10,730,000
-1,540,100
-13% -$41M 0.04% 292
2025
Q4
$306M Buy
12,270,100
+5,765,000
+89% +$145M 0.05% 262
2025
Q3
$166M Sell
6,505,100
-7,675,300
-54% -$189M 0.03% 402
2025
Q2
$344M Buy
14,180,400
+3,608,800
+34% +$84.2M 0.07% 179
2025
Q1
$268M Buy
10,571,600
+2,550,300
+32% +$66.7M 0.07% 169
2024
Q4
$213M Sell
8,021,300
-730,400
-8% -$19.8M 0.05% 232
2024
Q3
$253M Buy
8,751,700
+6,665,700
+320% +$194M 0.06% 182
2024
Q2
$58.4M Sell
2,086,000
-1,380,500
-40% -$38M 0.01% 623
2024
Q1
$96.2M Sell
3,466,500
-187,600
-5% -$5.21M 0.02% 377
2023
Q4
$105M Buy
3,654,100
+431,500
+13% +$13M 0.03% 376
2023
Q3
$107M Sell
3,222,600
-137,000
-4% -$4.84M 0.03% 301
2023
Q2
$123M Buy
3,359,600
+462,100
+16% +$18M 0.04% 276
2023
Q1
$118M Sell
2,897,500
-1,954,600
-40% -$84.4M 0.05% 259
2022
Q4
$249M Buy
4,852,100
+580,600
+14% +$27.8M 0.12% 108
2022
Q3
$187M Sell
4,271,500
-495,900
-10% -$24.1M 0.08% 138
2022
Q2
$250M Sell
4,767,400
-1,582,900
-25% -$80.7M 0.11% 112
2022
Q1
$329M Sell
6,350,300
-527,200
-8% -$27.4M 0.11% 100
2021
Q4
$406M Buy
6,877,500
+1,537,300
+29% +$76.2M 0.13% 77
2021
Q3
$230M Buy
5,340,200
+2,164,700
+68% +$95.9M 0.08% 138
2021
Q2
$124M Buy
3,175,500
+1,065,100
+50% +$41.4M 0.05% 268
2021
Q1
$76.5M Sell
2,110,400
-3,948,900
-65% -$140M 0.04% 352
2020
Q4
$223M Buy
6,059,300
+2,406,347
+66% +$88.3M 0.11% 112
2020
Q3
$127M Buy
3,652,953
+1,026,174
+39% +$36M 0.08% 168
2020
Q2
$81.5M Buy
2,626,779
+462,074
+21% +$15.7M 0.06% 224
2020
Q1
$67M Buy
2,164,705
+1,451,358
+203% +$49.5M 0.07% 199
2019
Q4
$26.5M Buy
713,347
+112,145
+19% +$3.99M 0.04% 308
2019
Q3
$20.5M Buy
601,202
+91,488
+18% +$3.33M 0.03% 352
2019
Q2
$20.9M Buy
509,714
+44,268
+10% +$1.76M 0.04% 356
2019
Q1
$18.8M Sell
465,446
-247,690
-35% -$9.92M 0.03% 430
2018
Q4
$29.5M Buy
713,136
+425,921
+148% +$17.7M 0.06% 216
2018
Q3
$12M Buy
287,215
+100,025
+53% +$3.85M 0.02% 504
2018
Q2
$6.44M Buy
187,190
+73,042
+64% +$2.5M 0.02% 857
2018
Q1
$3.84M Buy
114,148
+27,509
+32% +$946K 0.01% 1191
2017
Q4
$2.98M Buy
86,639
+68,616
+381% +$2.34M 0.01% 1228
2017
Q3
$610K Sell
18,023
-148,404
-89% -$4.77M ﹤0.01% 2855
2017
Q2
$5.3M Buy
166,427
+94,123
+130% +$2.97M 0.02% 742
2017
Q1
$2.35M Buy
72,304
+37,417
+107% +$1.18M 0.01% 1230
2016
Q4
$1.07M Buy
34,887
+19,920
+133% +$608K ﹤0.01% 1977
2016
Q3
$481K Sell
14,967
-37,206
-71% -$1.24M ﹤0.01% 2814
2016
Q2
$1.74M Sell
52,173
-164,740
-76% -$5.26M 0.01% 1413
2016
Q1
$6.1M Buy
216,913
+143,765
+197% +$4.11M 0.03% 473
2015
Q4
$2.24M Sell
73,148
-74,834
-51% -$2.35M 0.01% 967
2015
Q3
$4.41M Buy
147,982
+108,141
+271% +$3.47M 0.03% 504
2015
Q2
$1.27M Buy
39,841
+11,488
+41% +$374K 0.01% 1351
2015
Q1
$936K Buy
+28,353
New +$901K 0.01% 1428

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.