Amazon.com, Inc.
MX ˙ BMV ˙ US0231351067
SecurityMX:AMZN / Amazon.com, Inc.
InstitutionGraybill Bartz & Assoc Ltd
Latest Disclosed Ownership41,867 shares
Latest Disclosed Value $ 8,719,607
Graybill Bartz & Assoc Ltd reports 10.59% increase in ownership of AMZN / Amazon.com, Inc.

On May 13, 2026 - Graybill Bartz & Assoc Ltd filed a 13F-HR form disclosing ownership of 41,867 shares of Amazon.com, Inc. (MX:AMZN) valued at $8,719,607 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 37,858 shares of Amazon.com, Inc.. This represents a change in shares of 10.59% 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)
2026-05-13 2026-03-31 13F AMAZON.COM Stock 023135106 41,867 4,009 10.59 8,720 -0.22 2.6480
2026-02-13 2025-12-31 13F AMAZON.COM Stock 023135106 37,858 6,986 22.63 8,738 28.92 2.5783
2025-11-24 2025-09-30 13F AMAZON.COM Stock 023135106 30,872 -575 -1.83 6,779 -1.75 2.0838
2025-07-31 2025-06-30 13F AMAZON.COM Stock 023135106 31,447 867 2.84 6,899 18.58 2.2528
2025-05-02 2025-03-31 13F AMAZON.COM Stock 023135106 30,580 871 2.93 5,818 5.11 1.9960
2024-10-21 2024-09-30 13F AMAZON.COM Stock 023135106 29,709 151 0.51 5,536 -3.10 2.0516
2024-07-22 2024-06-30 13F AMAZON.COM Stock 023135106 29,558 165 0.56 5,712 7.75 2.3183
2024-04-15 2024-03-31 13F AMAZON.COM Stock 023135106 29,393 -484 -1.62 5,302 16.79 2.2340
2024-02-08 2023-12-31 13F AMAZON.COM Stock 023135106 29,877 -266 -0.88 4,539 18.48 2.0096
2023-11-03 2023-09-30 13F AMAZON.COM Stock 023135106 30,143 -29 -0.10 3,832 -2.59 1.8695
2023-07-21 2023-06-30 13F AMAZON.COM Stock 023135106 30,172 948 3.24 3,933 30.32 1.8677
2023-04-27 2023-03-31 13F AMAZON.COM Stock 023135106 29,224 1,846 6.74 3,019 31.27 1.5375
2023-01-23 2022-12-31 13F AMAZON.COM Stock 023135106 27,378 716 2.69 2,300 -23.70 1.2454
2022-10-28 2022-09-30 13F AMAZON.COM Stock 023135106 26,662 183 0.69 3,013 7.15 1.7897
2022-07-29 2022-06-30 13F AMAZON.COM Stock 023135106 26,479 26,479 2,812 1.5569
2021-10-22 2021-09-30 13F Amazon.com COM 023135106 0 -117 -100.00 0 -100.00
2021-07-27 2021-06-30 13F Amazon.com COM 023135106 117 -4 -3.31 402 7.49 0.1982
2021-04-19 2021-03-31 13F Amazon.com COM 023135106 121 -22 -15.38 374 -19.74 0.1981
2021-01-20 2020-12-31 13F Amazon.com COM 023135106 143 -2 -1.38 466 1.97 0.2629
2020-10-19 2020-09-30 13F Amazon.com COM 023135106 145 5 3.57 457 18.39 0.2977
2020-07-20 2020-06-30 13F Amazon.com COM 023135106 140 -10 -6.67 386 32.19 0.2840
2020-04-30 2020-03-31 13F Amazon.com COM 023135106 150 0 0.00 292 5.42 0.2581
2020-01-24 2019-12-31 13F Amazon.com COM 023135106 150 15 11.11 277 18.38 0.1726
2019-10-24 2019-09-30 13F Amazon.com COM 023135106 135 0 0.00 234 -8.59 0.1583
2019-07-25 2019-06-30 13F Amazon.com COM 023135106 135 0 0.00 256 6.67 0.1756
2019-04-24 2019-03-31 13F Amazon.com COM 023135106 135 0 0.00 240 18.23 0.1677
2019-02-06 2018-12-31 13F Amazon.com COM 023135106 135 0 0.00 203 -24.81 0.1692
2018-10-12 2018-09-30 13F Amazon.com COM 023135106 135 0 0.00 270 17.90 0.1957
2018-07-23 2018-06-30 13F Amazon.com COM 023135106 135 135 229 0.1757
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.