Simplex 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
$63.1M Sell
2,248,600
-1,668,200
-43% -$44.4M 0.04% 184
2025
Q4
$97.5M Sell
3,916,800
-843,800
-18% -$21.3M 0.06% 159
2025
Q3
$121M Sell
4,760,600
-458,400
-9% -$11.3M 0.06% 156
2025
Q2
$95.8M Buy
5,219,000
+747,300
+17% +$17.4M 0.05% 166
2025
Q1
$113M Sell
4,471,700
-1,969,000
-31% -$51.5M 0.07% 129
2024
Q4
$171M Buy
6,440,700
+1,349,800
+27% +$36.6M 0.1% 105
2024
Q3
$97.5M Buy
5,090,900
+388,400
+8% +$11.3M 0.06% 165
2024
Q2
$104M Buy
4,702,500
+1,022,400
+28% +$28.1M 0.06% 151
2024
Q1
$102M Sell
3,680,100
-753,800
-17% -$20.9M 0.06% 171
2023
Q4
$100M Buy
4,433,900
+1,531,200
+53% +$46.3M 0.06% 183
2023
Q3
$96.3M Buy
2,902,700
+599,100
+26% +$21.2M 0.08% 141
2023
Q2
$84.5M Buy
2,303,600
+684,400
+42% +$26.6M 0.07% 175
2023
Q1
$66.1M Sell
1,619,200
-1,504,500
-48% -$65M 0.06% 231
2022
Q4
$160M Buy
3,123,700
+1,141,000
+58% +$54.7M 0.17% 73
2022
Q3
$86.7M Sell
1,982,700
-295,400
-13% -$14.4M 0.1% 138
2022
Q2
$119M Sell
2,278,100
-783,200
-26% -$39.9M 0.13% 88
2022
Q1
$158M Sell
3,061,300
-1,630,600
-35% -$84.6M 0.14% 91
2021
Q4
$275M Buy
4,691,900
+1,467,800
+46% +$72.7M 0.28% 47
2021
Q3
$123M Sell
3,224,100
-14,100
-0.4% -$625K 0.12% 110
2021
Q2
$123M Buy
3,238,200
+3,216,660
+14,933% +$125M 0.12% 107
2021
Q1
$71M Sell
21,540
-18,707
-46% -$664K 0.13% 101
2020
Q4
$78.9M Buy
40,247
+6,928
+21% +$254K 0.1% 117
2020
Q3
$116M Buy
33,319
+25,342
+318% +$888K 0.16% 71
2020
Q2
$24.7M Sell
7,977
-5,828
-42% -$198K 0.04% 252
2020
Q1
$42.8M Buy
13,805
+8,925
+183% +$304K 0.08% 133
2019
Q4
$18.1M Sell
4,880
-2,343
-32% -$83.5K 0.04% 305
2019
Q3
$24.6M Buy
7,223
+3,797
+111% +$138K 0.07% 206
2019
Q2
$14.1M Sell
3,426
-2,566
-43% -$102K 0.04% 308
2019
Q1
$24.1M Sell
5,992
-1,666
-22% -$66.7K 0.07% 180
2018
Q4
$31.7M Buy
7,658
+3,924
+105% +$163K 0.09% 132
2018
Q3
$15.6M Sell
3,734
-99
-3% -$3.81K 0.05% 246
2018
Q2
$13.2M Buy
3,833
+889
+30% +$30.4K 0.05% 273
2018
Q1
$272K Buy
2,944
+1,507
+105% +$51.8K 0.01% 1041
2017
Q4
$186K Sell
1,437
-2,341
-62% -$79.8K 0.01% 1324
2017
Q3
$796K Buy
3,778
+2,080
+122% +$66.9K 0.03% 455
2017
Q2
$104K Sell
1,698
-1,350
-44% -$42.6K ﹤0.01% 1727
2017
Q1
$254K Buy
3,048
+89
+3% +$2.81K 0.01% 1068
2016
Q4
$409K Buy
2,959
+847
+40% +$25.9K 0.02% 641
2016
Q3
$396K Sell
2,112
-1,092
-34% -$36.5K 0.03% 622
2016
Q2
$1.02M Buy
3,204
+1,219
+61% +$38.9K 0.07% 270
2016
Q1
$89K Buy
1,985
+559
+39% +$16K 0.01% 1454
2015
Q4
$156K Sell
1,426
-2,291
-62% -$72.1K 0.01% 1047
2015
Q3
$564K Buy
3,717
+3,254
+703% +$104K 0.04% 403
2015
Q2
$12K Sell
463
-488
-51% -$15.9K ﹤0.01% 2923
2015
Q1
$394K Buy
951
+527
+124% +$16.8K 0.05% 401
2014
Q4
$82K Buy
+424
New +$12.2K 0.01% 1048

Other funds holding PFE

Simplex Trading's PFE Position: Q1 2026 in Review

Simplex Trading reduced its Pfizer (PFE) stake by 15% in Q1 2026, selling an estimated $5.97M and leaving 1,266,685 shares worth $35.6M. The position accounts for 0.02% of the portfolio, ranked #292.

Simplex Trading first reported a position in PFE in Q2 2015 and has held it in 34 quarters since. The position peaked at $128M in Q1 2024. 2,936 funds tracked by Wall St. Rank hold PFE as of Q1 2026.

  • Simplex Trading held 1,266,685 shares of Pfizer worth $35.6M as of Q1 2026.
  • Simplex Trading sold 224,352 Pfizer shares in Q1 2026, an estimated $5.97M.
  • Pfizer made up 0.02% of Simplex Trading's portfolio in Q1 2026, its #292 holding.
  • Simplex Trading first reported a position in Pfizer in Q2 2015 and has held it in 34 quarters since.
  • Simplex Trading's Pfizer position peaked at $128M in Q1 2024.
  • 2,936 funds tracked by Wall St. Rank held Pfizer as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.