Simplex Trading
PFE icon

Simplex Trading’s Pfizer PFE Stock Holding History

Simplex Trading’s Portfolio PFE Stock Details PFE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$72.7M Sell
2,587,600
-1,148,800
-31% -$30.6M 0.05% 157
2025
Q4 		$93M Sell
3,736,400
-245,100
-6% -$6.18M 0.05% 165
2025
Q3 		$101M Sell
3,981,500
-42,900
-1% -$1.06M 0.05% 186
2025
Q2 		$97.6M Sell
4,024,400
-627,400
-13% -$14.6M 0.06% 164
2025
Q1 		$118M Sell
4,651,800
-390,200
-8% -$10.2M 0.08% 124
2024
Q4 		$134M Sell
5,042,000
-428,700
-8% -$11.6M 0.07% 133
2024
Q3 		$158M Sell
5,470,700
-335,400
-6% -$9.78M 0.09% 101
2024
Q2 		$162M Sell
5,806,100
-914,300
-14% -$25.2M 0.1% 90
2024
Q1 		$186M Buy
6,720,400
+1,674,100
+33% +$46.5M 0.11% 85
2023
Q4 		$145M Buy
5,046,300
+2,204,800
+78% +$66.7M 0.09% 110
2023
Q3 		$94.3M Buy
2,841,500
+448,000
+19% +$15.8M 0.07% 145
2023
Q2 		$87.8M Buy
2,393,500
+668,400
+39% +$26M 0.07% 163
2023
Q1 		$70.4M Sell
1,725,100
-963,300
-36% -$41.6M 0.06% 218
2022
Q4 		$133M Buy
2,688,400
+271,300
+11% +$13M 0.15% 98
2022
Q3 		$102M Sell
2,417,100
-245,500
-9% -$11.9M 0.12% 114
2022
Q2 		$128M Sell
2,662,600
-1,525,200
-36% -$77.7M 0.14% 81
2022
Q1 		$205M Buy
4,187,800
+445,000
+12% +$23.1M 0.19% 61
2021
Q4 		$196M Buy
3,742,800
+118,700
+3% +$5.88M 0.2% 72
2021
Q3 		$123M Buy
3,624,100
+32,500
+0.9% +$1.44M 0.11% 111
2021
Q2 		$121M Buy
3,591,600
+3,559,666
+11,147% +$138M 0.12% 110
2021
Q1 		$86.7M Buy
31,934
+9,102
+40% +$323K 0.16% 83
2020
Q4 		$34.8M Buy
22,832
+5,356
+31% +$196K 0.05% 234
2020
Q3 		$60.9M Buy
17,476
+3,294
+23% +$115K 0.08% 136
2020
Q2 		$44M Buy
14,182
+7,797
+122% +$265K 0.07% 154
2020
Q1 		$19.8M Buy
6,385
+1,133
+22% +$38.6K 0.03% 241
2019
Q4 		$19.5M Sell
5,252
-1,782
-25% -$63.5K 0.04% 278
2019
Q3 		$24M Buy
7,034
+386
+6% +$14K 0.07% 210
2019
Q2 		$27.3M Buy
6,648
+1,080
+19% +$42.9K 0.07% 179
2019
Q1 		$22.4M Buy
5,568
+622
+13% +$24.9K 0.06% 194
2018
Q4 		$20.5M Buy
4,946
+3,090
+166% +$128K 0.06% 197
2018
Q3 		$7.76M Sell
1,856
-39
-2% -$1.5K 0.02% 447
2018
Q2 		$6.52M Sell
1,895
-1,070
-36% -$36.6K 0.03% 468
2018
Q1 		$430K Buy
2,965
+1,705
+135% +$58.6K 0.02% 789
2017
Q4 		$62K Sell
1,260
-876
-41% -$29.9K ﹤0.01% 2236
2017
Q3 		$221K Sell
2,136
-2,934
-58% -$94.3K 0.01% 1128
2017
Q2 		$647K Buy
5,070
+1,983
+64% +$62.5K 0.03% 530
2017
Q1 		$366K Sell
3,087
-632
-17% -$19.9K 0.02% 853
2016
Q4 		$585K Buy
3,719
+1,715
+86% +$52.4K 0.04% 467
2016
Q3 		$326K Sell
2,004
-1,143
-36% -$38.2K 0.02% 726
2016
Q2 		$251K Sell
3,147
-6,195
-66% -$198K 0.02% 867
2016
Q1 		$1.73M Buy
9,342
+4,087
+78% +$117K 0.14% 135
2015
Q4 		$903K Buy
5,255
+2,550
+94% +$80.2K 0.07% 244
2015
Q3 		$188K Buy
2,705
+2,368
+703% +$75.9K 0.01% 955
2015
Q2 		$26K Buy
337
+123
+57% +$4.01K ﹤0.01% 2234
2015
Q1 		$14K Sell
214
-7
-3% -$223 ﹤0.01% 2633
2014
Q4 		$76K Buy
+221
New +$6.34K 0.01% 1098

Other funds holding PFE

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Fisher Asset Management
Fisher Asset Management Camas, Washington $295B AUM 31.6% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
State Farm Mutual Automobile Insurance
State Farm Mutual Automobile Insurance Bloomington, Illinois $127B AUM 32.55% 1-Year Est. Return

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.