화이자 주식회사
US ˙ NYSE ˙ US7170811035

SecurityPFE / Pfizer Inc.
InstitutionBrown Advisory Inc
Latest Disclosed Ownership751,398 shares
Latest Disclosed Value $ 21,099,263
Brown Advisory Inc reports 2.78% decrease in ownership of PFE / Pfizer Inc.

On May 15, 2026 - Brown Advisory Inc filed a 13F-HR form disclosing ownership of 751,398 shares of Pfizer Inc. (US:PFE) valued at $21,099,256 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 772,919 shares of Pfizer Inc.. This represents a change in shares of -2.78% during the quarter. The current value of the position is $19,303,415 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 751,398 -21,521 -2.78 21,099 9.63 0.0155
2026-02-13 2025-12-31 13F PFIZER COM 717081103 772,919 -85,440 -9.95 19,246 -12.00 0.0269
2025-11-14 2025-09-30 13F PFIZER COM 717081103 858,359 3,659 0.43 21,871 5.57 0.0285
2025-08-13 2025-06-30 13F PFIZER COM 717081103 854,700 -82,589 -8.81 20,718 -12.77 0.0273
2025-04-30 2025-03-31 13F PFIZER COM 717081103 937,289 -117,326 -11.13 23,751 -15.11 0.0339
2025-02-14 2024-12-31 13F PFIZER COM 717081103 1,054,615 -66,142 -5.90 27,979 -13.74 0.0355
2024-11-13 2024-09-30 13F PFIZER COM 717081103 1,120,757 -20,922 -1.83 32,435 1.53 0.0407
2024-08-14 2024-06-30 13F PFIZER COM 717081103 1,141,679 69,994 6.53 31,944 7.41 0.0418
2024-04-24 2024-03-31 13F PFIZER COM 717081103 1,071,685 -6,287 -0.58 29,739 -4.17 0.0398
2024-02-08 2023-12-31 13F PFIZER COM 717081103 1,077,972 -63,145 -5.53 31,035 -18.01 0.0436
2023-10-25 2023-09-30 13F PFIZER COM 717081103 1,141,117 -15,956 -1.38 37,851 -10.82 0.0621
2023-07-31 2023-06-30 13F PFIZER COM 717081103 1,157,073 -30,499 -2.57 42,441 -12.41 0.0663
2023-05-08 2023-03-31 13F PFIZER COM 717081103 1,187,572 -49,579 -4.01 48,453 -23.57 0.0820
2023-02-13 2022-12-31 13F PFIZER COM 717081103 1,237,151 -788 -0.06 63,392 17.02 0.1178
2022-11-14 2022-09-30 13F PFIZER COM 717081103 1,237,939 166,758 15.57 54,173 -3.54 0.1054
2022-11-14 2022-06-30 13F/A-2 PFIZER COM 717081103 1,071,181 18,290 1.74 56,163 3.03 0.1056
2022-09-13 2022-06-30 13F/A-1 PFIZER COM 717081103 1,174,334 18,434 61,570 0.1065
2022-08-02 2022-06-30 13F PFIZER COM 717081103 1,158,020 19,707 63,136 0.1014
2022-11-14 2022-03-31 13F/A-2 PFIZER COM 717081103 1,052,891 -84,878 -7.46 54,509 -18.87 0.0812
2022-09-13 2022-03-31 13F/A-1 PFIZER COM 717081103 1,155,900 18,131 59,841 0.0840
2022-05-09 2022-03-31 13F PFIZER COM 717081103 1,138,313 544 61,594 0.0837
2022-01-27 2021-12-31 13F PFIZER COM 717081103 1,137,769 82,962 7.87 67,184 48.09 0.0833
2021-11-12 2021-09-30 13F PFIZER COM 717081103 1,054,807 8,231 0.79 45,367 10.69 0.0670
2021-07-29 2021-06-30 13F PFIZER COM 717081103 1,046,576 880 0.08 40,984 8.18 0.0618
2021-05-14 2021-03-31 13F PFIZER COM 717081103 1,045,696 -15,118 -1.43 37,885 -2.98 0.0648
2021-02-12 2020-12-31 13F PFIZER COM 717081103 1,060,814 8,516 0.81 39,048 1.11 0.0693
2020-11-16 2020-09-30 13F PFIZER COM 717081103 1,052,298 -39,926 -3.66 38,620 8.13 0.0798
2020-08-14 2020-06-30 13F PFIZER COM 717081103 1,092,224 -4,871 -0.44 35,715 -0.26 0.0832
2020-05-15 2020-03-31 13F PFIZER COM 717081103 1,097,095 5,268 0.48 35,809 -16.29 0.1097
2020-02-14 2019-12-31 13F PFIZER COM 717081103 1,091,827 -18,217 -1.64 42,778 7.26 0.1085
2019-11-14 2019-09-30 13F PFIZER COM 717081103 1,110,044 -7,747 -0.69 39,884 -17.63 0.1119
2019-08-12 2019-06-30 13F PFIZER COM 717081103 1,117,791 -93,962 -7.75 48,423 -5.91 0.1385
2019-05-15 2019-03-31 13F PFIZER COM 717081103 1,211,753 -37,646 -3.01 51,463 -5.63 0.1460
2019-02-13 2018-12-31 13F PFIZER COM 717081103 1,249,399 -16,627 -1.31 54,536 -2.25 0.1832
2018-11-13 2018-09-30 13F PFIZER COM 717081103 1,266,026 -11,184 -0.88 55,793 20.41 0.1588
2018-08-10 2018-06-30 13F PFIZER COM 717081103 1,277,210 41,337 3.34 46,337 5.65 0.1425
2018-06-28 2018-03-31 13F/A-1 PFIZER COM 717081103 1,235,873 -172,131 -12.23 43,860 -14.00 0.1418
2018-05-14 2018-03-31 13F PFIZER COM 717081103 1,062,388 -345,616 37,704
2018-02-12 2017-12-31 13F PFIZER COM 717081103 1,408,004 -7,029 -0.50 50,998 0.95 0.1614
2017-11-13 2017-09-30 13F PFIZER COM 717081103 1,415,033 -61,296 -4.15 50,517 1.87 0.1675
2017-08-14 2017-06-30 13F PFIZER COM 717081103 1,476,329 103,619 7.55 49,590 5.60 0.1516
2017-05-15 2017-03-31 13F PFIZER COM 717081103 1,372,710 -32,002 -2.28 46,961 2.93 0.1602
2017-02-13 2016-12-31 13F PFIZER COM 717081103 1,404,712 32,538 2.37 45,624 -1.83 0.1629
2016-11-14 2016-09-30 13F PFIZER COM 717081103 1,372,174 83,763 6.50 46,475 2.45 0.1597
2016-08-09 2016-06-30 13F PFIZER COM 717081103 1,288,411 98,807 8.31 45,365 28.66 0.1594
2016-05-13 2016-03-31 13F PFIZER COM 717081103 1,189,604 225,026 23.33 35,260 13.24 0.1217
2016-02-08 2015-12-31 13F PFIZER COM 717081103 964,578 4,541 0.47 31,137 3.26 0.1056
2015-11-13 2015-09-30 13F PFIZER COM 717081103 960,037 144,765 17.76 30,154 10.31 0.1077
2015-08-11 2015-06-30 13F PFIZER COM 717081103 815,272 16,520 2.07 27,336 -1.63 0.0890
2015-05-14 2015-03-31 13F PFIZER COM 717081103 798,752 3,580 0.45 27,789 12.19 0.0885
2015-02-13 2014-12-31 13F/A-1 PFIZER COM 717081103 795,172 -1,804 -0.23 24,770 5.10 0.0781
2015-02-09 2014-12-31 13F PFIZER COM 717081103 797,139 24,346
2014-11-10 2014-09-30 13F PFIZER COM 717081103 796,976 5,474 0.69 23,567 0.32 0.0757
2014-08-08 2014-06-30 13F PFIZER COM 717081103 791,502 -99,092 -11.13 23,492 -17.88 0.0739
2014-05-13 2014-03-31 13F PFIZER COM 717081103 890,594 -1,456,358 -62.05 28,606 -60.21 0.0912
2014-02-11 2013-12-31 13F PFIZER COM 717081103 2,346,952 -13,972 -0.59 71,887 6.00 0.2331
2013-11-08 2013-09-30 13F PFIZER COM 717081103 2,360,924 -60,265 -2.49 67,817 0.00 0.2422
2013-08-13 2013-06-30 13F PFIZER COM 717081103 2,421,189 2,421,189 67,818 0.2716
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.