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
$35.6M Sell
1,266,685
-224,352
-15% -$5.97M 0.02% 292
2025
Q4
$37.1M Buy
1,491,037
+194,547
+15% +$4.91M 0.02% 350
2025
Q3
$33M Buy
1,296,490
+1,262,307
+3,693% +$31.2M 0.02% 466
2025
Q2
$828K Sell
34,183
-1,582,619
-98% -$36.9M ﹤0.01% 2974
2025
Q1
$41M Buy
1,616,802
+50,149
+3% +$1.31M 0.03% 318
2024
Q4
$41.6M Buy
1,566,653
+1,303,687
+496% +$35.4M 0.02% 362
2024
Q3
$7.61M Sell
262,966
-1,932,294
-88% -$56.4M ﹤0.01% 1203
2024
Q2
$61.4M Sell
2,195,260
-2,410,725
-52% -$66.4M 0.04% 257
2024
Q1
$128M Buy
4,605,985
+3,225,864
+234% +$89.5M 0.07% 136
2023
Q4
$39.7M Sell
1,380,121
-575,573
-29% -$17.4M 0.03% 417
2023
Q3
$64.9M Buy
1,955,694
+1,430,473
+272% +$50.6M 0.05% 220
2023
Q2
$19.3M Buy
525,221
+467,052
+803% +$18.2M 0.02% 590
2023
Q1
$2.37M Buy
58,169
+4,179
+8% +$180K ﹤0.01% 1802
2022
Q4
$2.77M Sell
53,990
-801,594
-94% -$38.4M ﹤0.01% 1620
2022
Q3
$37.4M Buy
+855,584
New +$41.6M 0.04% 322
2022
Q2
Sell
-130,516
Closed -$6.65M 10812
2022
Q1
$6.76M Buy
130,516
+97,654
+297% +$5.07M 0.01% 1047
2021
Q4
$1.94M Sell
32,862
-36,598
-53% -$1.81M ﹤0.01% 2078
2021
Q3
$2.75M Buy
69,460
+15,114
+28% +$670K ﹤0.01% 1769
2021
Q2
$2.13M Sell
54,346
-410,282
-88% -$16M ﹤0.01% 2078
2021
Q1
$16.8M Buy
+464,628
New +$16.5M 0.03% 317
2020
Q4
Sell
-14,900
Closed -$547K 8892
2020
Q3
$518K Sell
14,900
-433,397
-97% -$15.2M ﹤0.01% 2960
2020
Q2
$13.9M Buy
+448,297
New +$15.2M 0.02% 397
2019
Q4
Sell
-188,364
Closed -$6.71M 7814
2019
Q3
$6.42M Sell
188,364
-734
-0.4% -$26.7K 0.02% 588
2019
Q2
$7.77M Buy
189,098
+124,586
+193% +$4.95M 0.02% 490
2019
Q1
$2.6M Buy
64,512
+64,196
+20,315% +$2.57M 0.01% 1141
2018
Q4
$13K Sell
316
-122,756
-100% -$5.1M ﹤0.01% 5677
2018
Q3
$5.14M Buy
+123,072
New +$4.74M 0.02% 606
2018
Q2
Sell
-135,875
Closed -$4.64M 7762
2018
Q1
$4.58M Buy
+135,875
New +$4.67M 0.2% 88
2017
Q3
Sell
-167,179
Closed -$5.37M 6447
2017
Q2
$5.33M Buy
167,179
+102,384
+158% +$3.23M 0.23% 68
2017
Q1
$2.1M Buy
+64,795
New +$2.04M 0.09% 198
2016
Q2
Sell
-32,660
Closed -$1.04M 6308
2016
Q1
$918K Sell
32,660
-192,774
-86% -$5.51M 0.07% 244
2015
Q4
$6.9M Buy
225,434
+221,003
+4,988% +$6.95M 0.54% 31
2015
Q3
$132K Sell
4,431
-19,732
-82% -$633K 0.01% 1196
2015
Q2
$768K Buy
+24,163
New +$788K 0.06% 269

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. 2,939 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.
  • 2,939 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.