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
$7.66M Buy
272,800
+223,100
+449% +$5.94M 0.01% 1622
2025
Q4
$1.24M Buy
+49,700
New +$1.25M ﹤0.01% 2778
2022
Q1
Sell
-161,900
Closed -$9.56M 3913
2021
Q4
$9.56M Buy
161,900
+95,800
+145% +$4.75M 0.02% 811
2021
Q3
$2.84M Sell
66,100
-123,700
-65% -$5.48M 0.01% 1659
2021
Q2
$7.43M Sell
189,800
-996,100
-84% -$38.7M 0.02% 977
2021
Q1
$43M Buy
+1,185,900
New +$42.1M 0.11% 208
2020
Q4
Sell
-8,537
Closed -$297K 3655
2020
Q3
$297K Sell
8,537
-17,286
-67% -$606K ﹤0.01% 2582
2020
Q2
$801K Sell
25,823
-412,430
-94% -$14M ﹤0.01% 1679
2020
Q1
$13.6M Buy
438,253
+275,305
+169% +$9.38M 0.11% 189
2019
Q4
$6.06M Sell
162,948
-1,149,598
-88% -$40.9M 0.02% 850
2019
Q3
$44.7M Buy
1,312,546
+926,360
+240% +$33.7M 0.15% 172
2019
Q2
$15.9M Sell
386,186
-165,688
-30% -$6.58M 0.05% 420
2019
Q1
$22.2M Buy
551,874
+500,650
+977% +$20.1M 0.07% 356
2018
Q4
$2.12M Sell
51,224
-192,566
-79% -$7.99M 0.01% 1211
2018
Q3
$10.2M Sell
243,790
-645,681
-73% -$24.9M 0.03% 633
2018
Q2
$30.6M Sell
889,471
-63,240
-7% -$2.16M 0.09% 293
2018
Q1
$32.1M Buy
952,711
+585,181
+159% +$20.1M 0.11% 239
2017
Q4
$12.6M Sell
367,530
-2,002
-0.5% -$68.3K 0.04% 515
2017
Q3
$12.5M Sell
369,532
-176,756
-32% -$5.68M 0.04% 443
2017
Q2
$17.4M Sell
546,288
-1,629,379
-75% -$51.4M 0.06% 369
2017
Q1
$70.6M Buy
2,175,667
+1,617,890
+290% +$51M 0.24% 90
2016
Q4
$17.2M Sell
557,777
-743,702
-57% -$22.7M 0.07% 355
2016
Q3
$41.8M Sell
1,301,479
-224,081
-15% -$7.49M 0.15% 146
2016
Q2
$51M Buy
1,525,560
+1,078,348
+241% +$34.4M 0.22% 103
2016
Q1
$12.6M Buy
447,212
+112,462
+34% +$3.21M 0.06% 377
2015
Q4
$10.3M Buy
334,750
+296,806
+782% +$9.34M 0.05% 415
2015
Q3
$1.13M Sell
37,944
-172,856
-82% -$5.54M 0.01% 1127
2015
Q2
$6.71M Sell
210,800
-160,208
-43% -$5.22M 0.03% 590
2015
Q1
$12.2M Buy
+371,008
New +$11.8M 0.06% 405

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.