Amazon.com, Inc.
BG ˙ BUL ˙ US0231351067
SecurityBG:AMZ / Amazon.com, Inc.
InstitutionWinthrop Advisory Group LLC
Latest Disclosed Ownership47,506 shares
Latest Disclosed Value $ 9,894,006
Winthrop Advisory Group LLC reports 0.19% decrease in ownership of AMZ / Amazon.com, Inc.

On April 13, 2026 - Winthrop Advisory Group LLC filed a 13F-HR form disclosing ownership of 47,506 shares of Amazon.com, Inc. (BG:AMZ) valued at $9,894,006 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on January 21, 2026 disclosing 47,597 shares of Amazon.com, Inc.. This represents a change in shares of -0.19% during the quarter.

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)
2026-04-13 2026-03-31 13F AMAZON COM COM 023135106 47,506 -91 -0.19 9,894 -9.94 0.7196
2026-01-21 2025-12-31 13F/A-1 AMAZON COM COM 023135106 47,597 -362 -0.75 10,986 4.33 0.9310
2026-01-21 2025-12-31 13F AMAZON COM COM 023135106 47,597 -362 10,986 0.9310
2025-10-24 2025-09-30 13F AMAZON COM COM 023135106 47,959 1,600 3.45 10,530 3.54 0.9212
2025-07-23 2025-06-30 13F AMAZON COM COM 023135106 46,359 8,393 22.11 10,171 40.80 0.9813
2025-04-08 2025-03-31 13F AMAZON COM COM 023135106 37,966 -411,864 -91.56 7,223 -26.80 0.8683
2025-01-13 2024-12-31 13F AMAZON COM COM 023135106 449,830 411,379 1,069.88 9,869 37.74 1.1843
2024-10-31 2024-09-30 13F AMAZON COM COM 023135106 38,451 3,699 10.64 7,165 6.69 0.8856
2024-07-18 2024-06-30 13F/A-1 AMAZON COM COM 023135106 34,752 -787 -2.21 6,716 4.76 0.9130
2024-07-18 2024-06-30 13F AMAZON COM COM 023135106 34,752 -787 6,716 0.9129
2024-04-17 2024-03-31 13F AMAZON COM COM 023135106 35,539 -289 -0.81 6,411 17.77 0.9273
2024-01-10 2023-12-31 13F AMAZON COM COM 023135106 35,828 1,664 4.87 5,444 25.36 0.8504
2023-11-03 2023-09-30 13F AMAZON COM COM 023135106 34,164 -175 -0.51 4,343 -2.99 0.7130
2023-08-02 2023-06-30 13F AMAZON COM COM 023135106 34,339 1,168 3.52 4,476 30.65 0.7178
2023-08-01 2023-03-31 13F/A-1 AMAZON COM COM 023135106 33,171 -356 -1.06 3,426 21.66 0.6047
2023-04-17 2023-03-31 13F AMAZON COM COM 023135106 33,171 -356 3 0.6051
2023-08-03 2022-12-31 13F/A-1 AMAZON COM COM 023135106 33,527 1,784 5.62 2,816 -21.49 0.5341
2023-01-18 2022-12-31 13F AMAZON COM COM 023135106 33,527 1,784 3 0.0005
2022-11-04 2022-09-30 13F AMAZON COM COM 023135106 31,743 -817 -2.51 3,587 3.73 0.7682
2022-07-21 2022-06-30 13F AMAZON COM COM 023135106 32,560 31,157 2,220.74 3,458 -24.40 0.8117
2022-04-13 2022-03-31 13F AMAZON COM COM 023135106 1,403 73 5.49 4,574 3.13 0.9534
2022-01-12 2021-12-31 13F AMAZON COM COM 023135106 1,330 24 1.84 4,435 3.38 0.8907
2021-10-14 2021-09-30 13F AMAZON COM COM 023135106 1,306 1 0.08 4,290 -4.43 0.9550
2021-07-14 2021-06-30 13F AMAZON COM COM 023135106 1,305 2 0.15 4,489 11.33 1.0100
2021-04-23 2021-03-31 13F AMAZON COM COM 023135106 1,303 49 3.91 4,032 -1.27 0.9941
2021-01-25 2020-12-31 13F AMAZON COM COM 023135106 1,254 30 2.45 4,084 4.58 1.0682
2020-10-20 2020-09-30 13F AMAZON COM COM 023135106 1,224 135 12.40 3,905 24.56 1.1962
2020-07-17 2020-06-30 13F AMAZON COM COM 023135106 1,089 74 7.29 3,135 58.41 1.1071
2020-04-17 2020-03-31 13F AMAZON COM COM 023135106 1,015 -102 -9.13 1,979 -4.12 0.7912
2020-01-06 2019-12-31 13F AMAZON COM COM 023135106 1,117 75 7.20 2,064 14.10 0.7436
2019-10-10 2019-09-30 13F AMAZON COM COM 023135106 1,042 35 3.48 1,809 -5.14 0.7158
2019-07-17 2019-06-30 13F AMAZON COM COM 023135106 1,007 -254 -20.14 1,907 -16.36 0.7981
2019-04-23 2019-03-31 13F AMAZON COM COM 023135106 1,261 110 9.56 2,280 31.87 1.0031
2019-01-15 2018-12-31 13F AMAZON COM COM 023135106 1,151 39 3.51 1,729 -22.36 0.8790
2018-10-29 2018-09-30 13F AMAZON COM COM 023135106 1,112 368 49.46 2,227 76.05 1.2537
2018-08-07 2018-06-30 13F AMAZON COM COM 023135106 744 27 3.77 1,265 20.36 0.8288
2018-05-11 2018-03-31 13F AMAZON COM COM 023135106 717 10 1.41 1,051 18.62 0.7393
2018-05-01 2017-12-31 13F AMAZON COM COM 023135106 707 707 886 0.6294
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.