AO 史密斯公司
US ˙ NYSE ˙ US8318652091

SecurityAOS / A. O. Smith Corporation
InstitutionAssetmark, Inc
Latest Disclosed Ownership2,660 shares
Latest Disclosed Value $ 175,400
Assetmark, Inc reports 8.53% increase in ownership of AOS / A. O. Smith Corporation

On May 6, 2026 - Assetmark, Inc filed a 13F-HR form disclosing ownership of 2,660 shares of A. O. Smith Corporation (US:AOS) valued at $175,400 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 23, 2026 disclosing 2,451 shares of A. O. Smith Corporation. This represents a change in shares of 8.53% during the quarter. The current value of the position is $151,647 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)
2026-05-06 2026-03-31 13F SMITH A O COM 831865209 2,660 209 8.53 175 7.36 0.0004
2026-01-23 2025-12-31 13F SMITH A O COM 831865209 2,451 33 1.36 164 -7.91 0.0003
2025-11-06 2025-09-30 13F SMITH A O COM 831865209 2,418 1,690 232.14 178 276.60 0.0004
2025-08-04 2025-06-30 13F SMITH A O COM 831865209 728 499 217.90 48 235.71 0.0001
2025-05-06 2025-03-31 13F SMITH A O COM 831865209 229 -27,596 -99.18 15 -99.26 0.0000
2025-02-06 2024-12-31 13F SMITH A O COM 831865209 27,825 1,834 7.06 1,898 -18.72 0.0052
2024-11-01 2024-09-30 13F SMITH A O COM 831865209 25,991 2,236 9.41 2,335 20.19 0.0067
2024-08-13 2024-06-30 13F SMITH A O COM 831865209 23,755 5,965 33.53 1,943 22.06 0.0060
2024-05-07 2024-03-31 13F SMITH A O COM 831865209 17,790 3,387 23.52 1,591 34.04 0.0052
2024-02-09 2023-12-31 13F SMITH A O COM 831865209 14,403 3,924 37.45 1,187 71.53 0.0043
2023-10-27 2023-09-30 13F SMITH A O COM 831865209 10,479 1,756 20.13 693 9.15 0.0028
2023-08-11 2023-06-30 13F SMITH A O CORP COM COM 831865209 8,723 2,011 29.96 635 36.64 0.0025
2023-05-05 2023-03-31 13F SMITH A O CORP COM COM 831865209 6,712 921 15.90 464 40.18 0.0019
2023-02-10 2022-12-31 13F SMITH A O COM 831865209 5,791 1,873 47.81 331 74.21 0.0014
2022-11-01 2022-09-30 13F SMITH A O COM 831865209 3,918 1,500 62.03 190 43.94 0.0009
2022-08-03 2022-06-30 13F SMITH A O CORP COM COM 831865209 2,418 1,905 371.35 132 300.00 0.0006
2022-05-13 2022-03-31 13F SMITH A O CORP COM COM 831865209 513 509 12,725.00 33 0.0001
2022-02-14 2021-12-31 13F SMITH A O CORP COM COM 831865209 4 0 0.00 0 0.0000
2021-11-12 2021-09-30 13F SMITH A O CORP COM COM 831865209 4 4 0 0.0000
2021-08-16 2021-06-30 13F SMITH A O COM 831865209 0 -50 -100.00 0 -100.00
2021-05-14 2021-03-31 13F SMITH A O COM 831865209 50 4 8.70 3 0.00 0.0000
2021-02-10 2020-12-31 13F SMITH A O CORP COM COM 831865209 46 0 0.00 3 50.00 0.0000
2020-11-13 2020-09-30 13F SMITH A O CORP COM COM 831865209 46 0 0.00 2 0.00 0.0000
2020-08-11 2020-06-30 13F SMITH A O CORP COM COM 831865209 46 0 0.00 2 0.00 0.0000
2020-05-12 2020-03-31 13F SMITH A O CORP COM COM 831865209 46 -68 -59.65 2 -60.00 0.0000
2020-02-11 2019-12-31 13F SMITH A O CORP COM COM 831865209 114 4 3.64 5 0.00 0.0000
2019-11-13 2019-09-30 13F SMITH A O CORP COM COM 831865209 110 0 0.00 5 0.00 0.0000
2019-08-14 2019-06-30 13F SMITH A O CORP COM COM 831865209 110 26 30.95 5 25.00 0.0000
2019-05-14 2019-03-31 13F SMITH A O CORP COM COM 831865209 84 38 82.61 4 100.00 0.0000
2019-02-13 2018-12-31 13F SMITH A O COM COM 831865209 46 0 0.00 2 0.00 0.0000
2018-11-13 2018-09-30 13F SMITH A O COM COM 831865209 46 0 0.00 2 -33.33 0.0000
2018-08-01 2018-06-30 13F SMITH A O COM COM 831865209 46 0 0.00 3 0.00 0.0000
2018-05-16 2018-03-31 13F SMITH A O COM COM 831865209 46 -20 -30.30 3 -25.00 0.0000
2018-02-13 2017-12-31 13F SMITH A O COM COM 831865209 66 16 32.00 4 33.33 0.0000
2017-11-08 2017-09-30 13F SMITH A O COM COM 831865209 50 4 8.70 3 0.00 0.0000
2017-08-14 2017-06-30 13F SMITH A O COM COM 831865209 46 0 0.00 3 50.00 0.0000
2017-09-15 2017-03-31 13F/A-1 SMITH A O COM COM 831865209 46 0 0.00 2 0.00 0.0000
2017-05-08 2017-03-31 13F SMITH A O COM COM 831865209 46 0 2
2017-09-15 2016-12-31 13F/A-1 SMITH A O COM COM 831865209 46 0 0.00 2 0.00 0.0000
2017-02-14 2016-12-31 13F SMITH A O COM COM 831865209 46 0 2
2017-09-14 2016-09-30 13F/A-1 SMITH A O COM COM 831865209 46 23 100.00 2 0.00 0.0000
2016-11-04 2016-09-30 13F SMITH A O COM COM 831865209 46 23 2
2017-09-14 2016-06-30 13F/A-1 SMITH A O COM COM 831865209 23 0 0.00 2 0.00 0.0000
2016-08-08 2016-06-30 13F SMITH A O COM COM 831865209 23 0 2
2017-09-14 2016-03-31 13F/A-1 SMITH A O COM COM 831865209 23 -12 -34.29 2 -33.33 0.0000
2016-05-13 2016-03-31 13F SMITH A O COM COM 831865209 23 -12 2
2017-09-14 2015-12-31 13F/A-1 SMITH A O COM COM 831865209 35 35 3 0.0001
2016-02-12 2015-12-31 13F SMITH A O COM COM 831865209 35 35 3
2015-11-10 2015-09-30 13F SMITH A O COM COM 831865209 0 0 0 0.0000
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.