Pfizer Inc.
US ˙ NYSE ˙ US7170811035

SecurityPFE / Pfizer Inc.
InstitutionFirst Manhattan Co
Latest Disclosed Ownership182,334 shares
Latest Disclosed Value $ 5,119,930
First Manhattan Co reports 3.96% decrease in ownership of PFE / Pfizer Inc.

On May 15, 2026 - First Manhattan Co filed a 13F-HR form disclosing ownership of 182,334 shares of Pfizer Inc. (US:PFE) valued at $5,119,939 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 189,861 shares of Pfizer Inc.. This represents a change in shares of -3.96% during the quarter. The current value of the position is $4,620,344 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F PFIZER COM 717081103 182,334 -7,527 -3.96 5,120 8.29 0.0142
2026-02-17 2025-12-31 13F PFIZER COM 717081103 189,861 -43,371 -18.60 4,728 -20.45 0.0124
2025-11-14 2025-09-30 13F PFIZER COM 717081103 233,232 -24,132 -9.38 5,943 -4.75 0.0157
2025-08-14 2025-06-30 13F PFIZER COM 717081103 257,364 -132,370 -33.96 6,239 -36.83 0.0176
2025-05-15 2025-03-31 13F PFIZER COM 717081103 389,734 -32,967 -7.80 9,876 -12.14 0.0288
2025-02-14 2024-12-31 13F PFIZER COM 717081103 422,701 -43,992 -9.43 11,239 -16.79 0.0330
2024-11-14 2024-09-30 13F PFIZER COM 717081103 466,693 -92,708 -16.57 13,506 -13.71 0.0400
2024-08-15 2024-06-30 13F/A-1 PFIZER COM 717081103 559,401 -25,496 -4.36 15,652 -3.57 0.0502
2024-08-14 2024-06-30 13F PFIZER COM 717081103 559,401 -25,496 15,652 0.0502
2024-05-15 2024-03-31 13F PFIZER COM 717081103 584,897 -55,100 -8.61 16,232 -11.92 0.0526
2024-02-13 2023-12-31 13F PFIZER COM 717081103 639,997 -100,880 -13.62 18,427 -25.01 0.0639
2023-11-14 2023-09-30 13F PFIZER COM 717081103 740,877 -291,178 -28.21 24,575 -35.08 0.0907
2023-08-14 2023-06-30 13F PFIZER COM 717081103 1,032,055 -43,883 -4.08 37,856 -13.77 0.1387
2023-05-15 2023-03-31 13F PFIZER COM 717081103 1,075,938 -37,500 -3.37 43,898 -23.06 0.1684
2023-02-14 2022-12-31 13F PFIZER COM 717081103 1,113,438 -11,152 -0.99 57,053 15.93 0.2091
2022-11-14 2022-09-30 13F PFIZER COM 717081103 1,124,590 8,583 0.77 49,212 -15.89 0.2084
2022-08-15 2022-06-30 13F PFIZER COM 717081103 1,116,007 -9,579 -0.85 58,512 0.41 0.2358
2022-05-16 2022-03-31 13F PFIZER COM 717081103 1,125,586 36,952 3.39 58,271 -9.35 0.1906
2022-02-14 2021-12-31 13F PFIZER COM 717081103 1,088,634 -15,100 -1.37 64,284 35.42 0.2119
2021-11-15 2021-09-30 13F PFIZER COM 717081103 1,103,734 -11,383 -1.02 47,471 8.71 0.1749
2021-08-16 2021-06-30 13F PFIZER COM 717081103 1,115,117 -7,741 -0.69 43,668 7.34 0.1594
2021-05-14 2021-03-31 13F PFIZER COM 717081103 1,122,858 -10,665 -0.94 40,681 -2.50 0.1754
2021-02-16 2020-12-31 13F PFIZER COM 717081103 1,133,523 -26,235 -2.26 41,725 -1.97 0.1997
2020-11-12 2020-09-30 13F PFIZER COMMON 717081103 1,159,758 -366,836 -24.03 42,563 -14.74 0.2193
2020-08-14 2020-06-30 13F PFIZER COMMON 717081103 1,526,594 -465,100 -23.35 49,919 -23.21 0.2885
2020-05-06 2020-03-31 13F PFIZER COMMON 717081103 1,991,694 -1,046,596 -34.45 65,009 -45.39 0.4213
2020-02-13 2019-12-31 13F PFIZER COMMON 717081103 3,038,290 -225,579 -6.91 119,040 1.51 0.5973
2019-11-13 2019-09-30 13F PFIZER COMMON 717081103 3,263,869 -814,571 -19.97 117,271 -33.62 0.6460
2019-08-16 2019-06-30 13F PFIZER COMMON 717081103 4,078,440 -342,279 -7.74 176,678 -5.90 0.9808
2019-04-12 2019-03-31 13F PFIZER COMMON 717081103 4,420,719 -229,006 -4.93 187,748 -7.50 1.0839
2019-01-30 2018-12-31 13F PFIZER COMMON 717081103 4,649,725 -257,288 -5.24 202,960 -6.15 1.2634
2018-10-15 2018-09-30 13F PFIZER COMMON 717081103 4,907,013 -173,900 -3.42 216,252 17.31 1.1525
2018-08-01 2018-06-30 13F PFIZER COMMON 717081103 5,080,913 51,658 1.03 184,335 3.28 1.0628
2018-04-20 2018-03-31 13F PFIZER COMMON 717081103 5,029,255 -38,962 -0.77 178,488 -2.77 1.0155
2018-01-22 2017-12-31 13F PFIZER COMMON 717081103 5,068,217 6,516 0.13 183,571 1.59 1.0058
2017-10-25 2017-09-30 13F PFIZER COMMON 717081103 5,061,701 5,382 0.11 180,702 6.39 1.0348
2017-08-10 2017-06-30 13F/A-2 PFIZER COMMON 717081103 5,056,319 -171,122 -3.27 169,841 -5.03 0.9903
2017-08-01 2017-06-30 13F/A-1 PFIZER COMMON 717081103 5,056,317 -2 169,841 0.9904
2017-07-28 2017-06-30 13F PFIZER COMMON 717081103 5,056,317 -171,124 169,841
2017-04-25 2017-03-31 13F/A-1 PFIZER COMMON 717081103 5,227,441 56,368 1.09 178,831 6.47 1.0623
2017-04-24 2017-03-31 13F PFIZER COMMON 717081103 4,586,376 155,340
2017-01-25 2016-12-31 13F PFIZER COMMON 717081103 5,171,073 584,697 12.75 167,956 8.12 1.0213
2016-10-20 2016-09-30 13F PFIZER COMMON 717081103 4,586,376 -45,636 -0.99 155,340 -4.75 0.9475
2016-07-14 2016-06-30 13F PFIZER COMMON 717081103 4,632,012 -3,703,651 -44.43 163,093 -33.99 1.0018
2016-04-22 2016-03-31 13F PFIZER COMMON 717081103 8,335,663 4,671,057 127.46 247,069 108.86 1.5200
2016-01-20 2015-12-31 13F PFIZER COMMON 717081103 3,664,606 2,014,418 122.07 118,293 128.22 0.7260
2015-10-26 2015-09-30 13F PFIZER COMMON 717081103 1,650,188 139,842 9.26 51,832 2.35 0.3332
2015-07-17 2015-06-30 13F PFIZER COMMON 717081103 1,510,346 -16,530 -1.08 50,642 -4.66 0.2990
2015-04-30 2015-03-31 13F PFIZER COMMON 717081103 1,526,876 -26,439 -1.70 53,120 9.79 0.3060
2015-01-20 2014-12-31 13F PFIZER COMMON 717081103 1,553,315 -12,428 -0.79 48,385 4.51 0.2739
2014-10-23 2014-09-30 13F PFIZER COMMON 717081103 1,565,743 -29,643 -1.86 46,299 -2.22 0.2693
2014-08-14 2014-06-30 13F/A-1 PFIZER COMMON 717081103 1,595,386 -98,081 -5.79 47,351 -12.95 0.3001
2014-05-16 2014-03-31 13F PFIZER COMMON 717081103 1,693,467 7,446 0.44 54,394 5.33 0.3583
2014-02-04 2013-12-31 13F PFIZER COMMON 717081103 1,686,021 -9,661 -0.57 51,642 6.02 0.3413
2013-10-29 2013-09-30 13F PFIZER COMMON 717081103 1,695,682 7,442 0.44 48,708 -2.33 0.3401
2013-08-13 2013-06-30 13F PFIZER COMMON 717081103 1,688,240 1,688,240 49,870 0.3431
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.