Two Sigma Investments’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
$10.9M Buy
389,000
+354,300
+1,021% +$9.43M 0.01% 1353
2025
Q4
$864K Buy
+34,700
New +$875K ﹤0.01% 3035
2022
Q1
Sell
-154,200
Closed -$9.11M 3911
2021
Q4
$9.11M Buy
154,200
+90,700
+143% +$4.49M 0.02% 847
2021
Q3
$2.73M Sell
63,500
-128,900
-67% -$5.71M 0.01% 1693
2021
Q2
$7.53M Sell
192,400
-935,700
-83% -$36.4M 0.02% 971
2021
Q1
$40.9M Buy
+1,128,100
New +$40.1M 0.11% 219
2020
Q4
Sell
-8,959
Closed -$312K 3653
2020
Q3
$312K Sell
8,959
-31,198
-78% -$1.09M ﹤0.01% 2560
2020
Q2
$1.25M Sell
40,157
-285,213
-88% -$9.69M 0.01% 1386
2020
Q1
$10.1M Buy
325,370
+59,340
+22% +$2.02M 0.08% 251
2019
Q4
$9.89M Sell
266,030
-892,316
-77% -$31.8M 0.03% 624
2019
Q3
$39.5M Buy
1,158,346
+765,415
+195% +$27.8M 0.13% 206
2019
Q2
$16.1M Sell
392,931
-152,725
-28% -$6.06M 0.05% 413
2019
Q1
$22M Buy
545,656
+507,290
+1,322% +$20.3M 0.07% 360
2018
Q4
$1.59M Sell
38,366
-179,601
-82% -$7.46M 0.01% 1366
2018
Q3
$9.11M Sell
217,967
-562,942
-72% -$21.7M 0.02% 676
2018
Q2
$26.9M Buy
780,909
+32,042
+4% +$1.09M 0.08% 321
2018
Q1
$25.2M Buy
748,867
+439,413
+142% +$15.1M 0.08% 285
2017
Q4
$10.6M Sell
309,454
-26,034
-8% -$888K 0.03% 586
2017
Q3
$11.4M Sell
335,488
-550,926
-62% -$17.7M 0.04% 473
2017
Q2
$28.2M Sell
886,414
-982,223
-53% -$31M 0.1% 253
2017
Q1
$60.7M Buy
1,868,637
+1,367,671
+273% +$43.1M 0.2% 117
2016
Q4
$15.4M Sell
500,966
-919,615
-65% -$28.1M 0.06% 397
2016
Q3
$45.6M Buy
1,420,581
+14,756
+1% +$493K 0.17% 138
2016
Q2
$47M Buy
1,405,825
+1,033,763
+278% +$33M 0.2% 112
2016
Q1
$10.5M Sell
372,062
-92,752
-20% -$2.65M 0.05% 427
2015
Q4
$14.2M Buy
464,814
+418,438
+902% +$13.2M 0.07% 315
2015
Q3
$1.38M Sell
46,376
-150,722
-76% -$4.83M 0.01% 1017
2015
Q2
$6.27M Sell
197,098
-133,436
-40% -$4.35M 0.03% 619
2015
Q1
$10.9M Buy
+330,534
New +$10.5M 0.05% 445

Other funds holding PFE

Two Sigma Investments's PFE Position: Q1 2026 in Review

Two Sigma Investments reduced its Pfizer (PFE) stake by 90% in Q1 2026, selling an estimated $49.4M and leaving 212,100 shares worth $5.96M. The position accounts for ﹤0.01% of the portfolio, ranked #1816.

Two Sigma Investments first reported a position in PFE in Q3 2013 and has held it in 41 quarters since. The position peaked at $271M in Q4 2021. 2,936 funds tracked by Wall St. Rank hold PFE as of Q1 2026.

  • Two Sigma Investments held 212,100 shares of Pfizer worth $5.96M as of Q1 2026.
  • Two Sigma Investments sold 1,856,008 Pfizer shares in Q1 2026, an estimated $49.4M.
  • Pfizer made up ﹤0.01% of Two Sigma Investments's portfolio in Q1 2026, its #1816 holding.
  • Two Sigma Investments first reported a position in Pfizer in Q3 2013 and has held it in 41 quarters since.
  • Two Sigma Investments's Pfizer position peaked at $271M in Q4 2021.
  • 2,936 funds tracked by Wall St. Rank held Pfizer as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.