Adage Capital Partners’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 | $16.8M | Sell |
598,214
-1,808,379
| -75% | -$48.1M | 0.03% | 546 |
|
|
2025
Q4 | $59.9M | Sell |
2,406,593
-1,381,400
| -36% | -$34.8M | 0.09% | 212 |
|
|
2025
Q3 | $96.5M | Sell |
3,787,993
-1,172,263
| -24% | -$28.9M | 0.15% | 129 |
|
|
2025
Q2 | $120M | Buy |
4,960,256
+2,468,767
| +99% | +$57.6M | 0.2% | 97 |
|
|
2025
Q1 | $63.1M | Buy |
2,491,489
+109,106
| +5% | +$2.86M | 0.12% | 178 |
|
|
2024
Q4 | $63.2M | Buy |
2,382,383
+722,047
| +43% | +$19.6M | 0.11% | 180 |
|
|
2024
Q3 | $48.1M | Sell |
1,660,336
-123,900
| -7% | -$3.61M | 0.08% | 239 |
|
|
2024
Q2 | $49.9M | Buy |
1,784,236
+184,714
| +12% | +$5.09M | 0.09% | 221 |
|
|
2024
Q1 | $44.4M | Sell |
1,599,522
-2,403,667
| -60% | -$66.7M | 0.08% | 252 |
|
|
2023
Q4 | $115M | Sell |
4,003,189
-736,483
| -16% | -$22.3M | 0.24% | 89 |
|
|
2023
Q3 | $157M | Buy |
4,739,672
+1,365,295
| +40% | +$48.3M | 0.36% | 55 |
|
|
2023
Q2 | $124M | Buy |
3,374,377
+16,591
| +0.5% | +$646K | 0.27% | 84 |
|
|
2023
Q1 | $137M | Sell |
3,357,786
-1,157,391
| -26% | -$50M | 0.31% | 76 |
|
|
2022
Q4 | $231M | Sell |
4,515,177
-294,164
| -6% | -$14.1M | 0.55% | 25 |
|
|
2022
Q3 | $210M | Sell |
4,809,341
-630,260
| -12% | -$30.6M | 0.52% | 26 |
|
|
2022
Q2 | $285M | Sell |
5,439,601
-1,168,000
| -18% | -$59.5M | 0.65% | 23 |
|
|
2022
Q1 | $342M | Sell |
6,607,601
-825,900
| -11% | -$42.9M | 0.65% | 21 |
|
|
2021
Q4 | $439M | Buy |
7,433,501
+1,674,400
| +29% | +$83M | 0.79% | 17 |
|
|
2021
Q3 | $248M | Buy |
+5,759,101
| New | +$255M | 0.49% | 34 |
|
|
2021
Q2 | – | Sell |
-427,801
| Closed | -$15.5M | – | 1051 |
|
|
2021
Q1 | $15.5M | Buy |
+427,801
| New | +$15.2M | 0.03% | 543 |
|
|
2020
Q3 | – | Sell |
-1,963,814
| Closed | -$60.9M | – | 799 |
|
|
2020
Q2 | $60.9M | Sell |
1,963,814
-4,930,275
| -72% | -$167M | 0.16% | 151 |
|
|
2020
Q1 | $213M | Buy |
6,894,089
+10,214
| +0.1% | +$348K | 0.64% | 22 |
|
|
2019
Q4 | $256M | Sell |
6,883,875
-6,430
| -0.1% | -$229K | 0.63% | 23 |
|
|
2019
Q3 | $235M | Sell |
6,890,305
-33,833
| -0.5% | -$1.23M | 0.58% | 33 |
|
|
2019
Q2 | $285M | Sell |
6,924,138
-1,129,643
| -14% | -$44.9M | 0.71% | 22 |
|
|
2019
Q1 | $325M | Sell |
8,053,781
-289,217
| -3% | -$11.6M | 0.81% | 19 |
|
|
2018
Q4 | $346M | Buy |
8,342,998
+526,262
| +7% | +$21.8M | 0.96% | 13 |
|
|
2018
Q3 | $327M | Buy |
7,816,736
+362,270
| +5% | +$13.9M | 0.73% | 22 |
|
|
2018
Q2 | $257M | Buy |
7,454,466
+423,129
| +6% | +$14.5M | 0.59% | 37 |
|
|
2018
Q1 | $237M | Sell |
7,031,337
-161,262
| -2% | -$5.54M | 0.55% | 31 |
|
|
2017
Q4 | $247M | Sell |
7,192,599
-139,339
| -2% | -$4.75M | 0.56% | 33 |
|
|
2017
Q3 | $248M | Sell |
7,331,938
-1,192,459
| -14% | -$38.3M | 0.6% | 32 |
|
|
2017
Q2 | $272M | Sell |
8,524,397
-283,858
| -3% | -$8.95M | 0.66% | 30 |
|
|
2017
Q1 | $286M | Buy |
8,808,255
+693,954
| +9% | +$21.9M | 0.72% | 21 |
|
|
2016
Q4 | $250M | Buy |
8,114,301
+874,714
| +12% | +$26.7M | 0.68% | 28 |
|
|
2016
Q3 | $233M | Buy |
7,239,587
+1,607,730
| +29% | +$53.8M | 0.64% | 28 |
|
|
2016
Q2 | $188M | Buy |
5,631,857
+1,796,463
| +47% | +$57.3M | 0.51% | 48 |
|
|
2016
Q1 | $108M | Sell |
3,835,394
-4,318,328
| -53% | -$123M | 0.29% | 96 |
|
|
2015
Q4 | $250M | Sell |
8,153,722
-1,346,379
| -14% | -$42.4M | 0.65% | 28 |
|
|
2015
Q3 | $283M | Buy |
9,500,101
+1,132,839
| +14% | +$36.3M | 0.79% | 18 |
|
|
2015
Q2 | $266M | Sell |
8,367,262
-1,154,025
| -12% | -$37.6M | 0.66% | 21 |
|
|
2015
Q1 | $314M | Buy |
9,521,287
+606,050
| +7% | +$19.3M | 0.77% | 13 |
|
|
2014
Q4 | $263M | Buy |
8,915,237
+582,019
| +7% | +$16.7M | 0.64% | 24 |
|
|
2014
Q3 | $234M | Sell |
8,333,218
-87,271
| -1% | -$2.45M | 0.58% | 32 |
|
|
2014
Q2 | $237M | Buy |
8,420,489
+259,073
| +3% | +$7.39M | 0.61% | 32 |
|
|
2014
Q1 | $249M | Buy |
8,161,416
+248,849
| +3% | +$7.42M | 0.68% | 24 |
|
|
2013
Q4 | $230M | Buy |
7,912,567
+1,180,480
| +18% | +$34.4M | 0.61% | 29 |
|
|
2013
Q3 | $183M | Sell |
6,732,087
-964,410
| -13% | -$26.2M | 0.53% | 44 |
|
|
2013
Q2 | $205M | Buy |
+7,696,497
| New | +$213M | 0.63% | 27 |
|
Other funds holding PFE
VCM
VPM
Adage Capital Partners's PFE Position: Q1 2026 in Review
Adage Capital Partners reduced its Pfizer (PFE) stake by 75% in Q1 2026, selling an estimated $48.1M and leaving 598,214 shares worth $16.8M. The position accounts for 0.03% of the portfolio, ranked #546.
Adage Capital Partners first reported a position in PFE in Q2 2013 and has held it in 49 quarters since. The position peaked at $439M in Q4 2021. 2,936 funds tracked by Wall St. Rank hold PFE as of Q1 2026.
- Adage Capital Partners held 598,214 shares of Pfizer worth $16.8M as of Q1 2026.
- Adage Capital Partners sold 1,808,379 Pfizer shares in Q1 2026, an estimated $48.1M.
- Pfizer made up 0.03% of Adage Capital Partners's portfolio in Q1 2026, its #546 holding.
- Adage Capital Partners first reported a position in Pfizer in Q2 2013 and has held it in 49 quarters since.
- Adage Capital Partners's Pfizer position peaked at $439M in Q4 2021.
- 2,936 funds tracked by Wall St. Rank held Pfizer as of Q1 2026.
Based on Adage Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.