Walleye Trading’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
$27.2M Sell
969,900
-992,600
-51% -$26.4M 0.05% 400
2025
Q4
$48.9M Buy
1,962,500
+1,140,400
+139% +$28.8M 0.07% 296
2025
Q3
$20.9M Sell
822,100
-199,700
-20% -$4.93M 0.03% 567
2025
Q2
$24.8M Sell
1,021,800
-490,400
-32% -$11.4M 0.04% 447
2025
Q1
$38.3M Buy
1,512,200
+825,100
+120% +$21.6M 0.09% 230
2024
Q4
$18.2M Sell
687,100
-90,500
-12% -$2.45M 0.04% 510
2024
Q3
$22.5M Sell
777,600
-245,200
-24% -$7.15M 0.05% 411
2024
Q2
$28.6M Buy
1,022,800
+292,500
+40% +$8.05M 0.07% 304
2024
Q1
$20.3M Sell
730,300
-275,200
-27% -$7.64M 0.04% 414
2023
Q4
$28.9M Buy
1,005,500
+264,000
+36% +$7.98M 0.06% 313
2023
Q3
$24.6M Buy
741,500
+454,000
+158% +$16.1M 0.06% 300
2023
Q2
$10.5M Sell
287,500
-465,300
-62% -$18.1M 0.03% 570
2023
Q1
$30.7M Buy
752,800
+66,300
+10% +$2.86M 0.07% 249
2022
Q4
$35.2M Buy
686,500
+237,400
+53% +$11.4M 0.1% 208
2022
Q3
$19.7M Buy
449,100
+74,500
+20% +$3.62M 0.06% 341
2022
Q2
$19.6M Buy
374,600
+23,400
+7% +$1.19M 0.06% 330
2022
Q1
$18.2M Buy
351,200
+141,600
+68% +$7.35M 0.06% 380
2021
Q4
$12.4M Sell
209,600
-3,500
-2% -$173K 0.04% 494
2021
Q3
$9.16M Buy
213,100
+189,600
+807% +$8.4M 0.03% 595
2021
Q2
$920K Buy
23,500
+20,900
+804% +$813K ﹤0.01% 2219
2021
Q1
$94K Sell
2,600
-7,700
-75% -$273K ﹤0.01% 4124
2020
Q4
$379K Sell
10,300
-59,896
-85% -$2.2M ﹤0.01% 2919
2020
Q3
$2.44M Sell
70,196
-148,825
-68% -$5.22M 0.01% 995
2020
Q2
$6.79M Sell
219,021
-144,293
-40% -$4.9M 0.04% 405
2020
Q1
$11.3M Buy
363,314
+346,872
+2,110% +$11.8M 0.09% 160
2019
Q4
$611K Sell
16,442
-77,996
-83% -$2.78M ﹤0.01% 2238
2019
Q3
$3.22M Sell
94,438
-16,548
-15% -$602K 0.03% 713
2019
Q2
$4.56M Sell
110,986
-294,909
-73% -$11.7M 0.04% 499
2019
Q1
$16.4M Buy
405,895
+298,282
+277% +$11.9M 0.13% 128
2018
Q4
$4.46M Sell
107,613
-114,992
-52% -$4.77M 0.03% 541
2018
Q3
$9.31M Sell
222,605
-108,878
-33% -$4.19M 0.05% 354
2018
Q2
$11.4M Buy
331,483
+172,118
+108% +$5.88M 0.06% 255
2018
Q1
$5.37M Buy
159,365
+3,162
+2% +$109K 0.03% 509
2017
Q4
$5.37K Buy
156,203
+75,677
+94% +$2.58M 0.03% 634
2017
Q3
$2.73K Sell
80,526
-238,731
-75% -$7.67M 0.01% 1050
2017
Q2
$10.2K Buy
319,257
+58,814
+23% +$1.85M 0.06% 287
2017
Q1
$8.46K Buy
260,443
+118,469
+83% +$3.74M 0.06% 271
2016
Q4
$4.37M Sell
141,974
-362,787
-72% -$11.1M 0.03% 504
2016
Q3
$16.2M Sell
504,761
-183,606
-27% -$6.14M 0.11% 84
2016
Q2
$23M Sell
688,367
-325,265
-32% -$10.4M 0.15% 57
2016
Q1
$28.5M Buy
1,013,632
+216,070
+27% +$6.17M 0.25% 53
2015
Q4
$24.4M Buy
797,562
+726,733
+1,026% +$22.9M 0.24% 66
2015
Q3
$2.11M Sell
70,829
-377,964
-84% -$12.1M 0.02% 638
2015
Q2
$14.3M Sell
448,793
-121,737
-21% -$3.97M 0.14% 103
2015
Q1
$18.8M Buy
570,530
+489,056
+600% +$15.5M 0.19% 69
2014
Q4
$2.41M Buy
81,474
+7,799
+11% +$224K 0.02% 594
2014
Q3
$2.07M Sell
73,675
-22,450
-23% -$630K 0.02% 433
2014
Q2
$2.71K Sell
96,125
-33,306
-26% -$949K 0.04% 296
2014
Q1
$3.94K Buy
129,431
+50,381
+64% +$1.5M 0.06% 209
2013
Q4
$2.3M Sell
79,050
-197,730
-71% -$5.75M 0.02% 606
2013
Q3
$7.54M Sell
276,780
-4,540,632
-94% -$124M 0.08% 184
2013
Q2
$128M Buy
+4,817,412
New +$133M 1.22% 8

Other funds holding PFE

Walleye Trading's PFE Position: Q1 2026 in Review

Walleye Trading opened a new position in Pfizer (PFE) in Q1 2026: 223,265 shares worth $6.27M. The stake represents 0.01% of the portfolio and ranks #1013 among its holdings. This is a return to the name: Walleye Trading previously reported a position in PFE as recently as Q3 2025.

Walleye Trading first reported a position in PFE in Q4 2013 and has held it in 38 quarters since. The position peaked at $38.3M in Q3 2022. 2,936 funds tracked by Wall St. Rank hold PFE as of Q1 2026.

  • Walleye Trading held 223,265 shares of Pfizer worth $6.27M as of Q1 2026.
  • Pfizer was a new Walleye Trading position in Q1 2026.
  • Pfizer made up 0.01% of Walleye Trading's portfolio in Q1 2026, its #1013 holding.
  • Walleye Trading first reported a position in Pfizer in Q4 2013 and has held it in 38 quarters since.
  • Walleye Trading's Pfizer position peaked at $38.3M in Q3 2022.
  • 2,936 funds tracked by Wall St. Rank held Pfizer as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.