Rockwell Automation, Inc.
US ˙ NYSE ˙ US7739031091

SecurityROK / Rockwell Automation, Inc.
InstitutionAssetmark, Inc
Latest Disclosed Ownership1,660 shares
Latest Disclosed Value $ 595,766
Assetmark, Inc reports 7.73% decrease in ownership of ROK / Rockwell Automation, Inc.

On May 6, 2026 - Assetmark, Inc filed a 13F-HR form disclosing ownership of 1,660 shares of Rockwell Automation, Inc. (US:ROK) valued at $595,741 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 23, 2026 disclosing 1,799 shares of Rockwell Automation, Inc.. This represents a change in shares of -7.73% during the quarter. The current value of the position is $766,472 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 ROCKWELL AUTOMATION COM 773903109 1,660 -139 -7.73 596 -14.88 0.0012
2026-01-23 2025-12-31 13F ROCKWELL AUTOMATION COM 773903109 1,799 218 13.79 700 26.63 0.0014
2025-11-06 2025-09-30 13F ROCKWELL AUTOMATION COM 773903109 1,581 337 27.09 553 33.66 0.0012
2025-08-04 2025-06-30 13F ROCKWELL AUTOMATION COM 773903109 1,244 -1,952 -61.08 413 -49.94 0.0010
2025-05-06 2025-03-31 13F ROCKWELL AUTOMATION COM 773903109 3,196 149 4.89 826 -5.17 0.0023
2025-02-06 2024-12-31 13F ROCKWELL AUTOMATION COM 773903109 3,047 561 22.57 871 30.43 0.0024
2024-11-01 2024-09-30 13F ROCKWELL AUTOMATION COM 773903109 2,486 135 5.74 667 3.09 0.0019
2024-08-13 2024-06-30 13F ROCKWELL AUTOMATION COM 773903109 2,351 1,818 341.09 647 317.42 0.0020
2024-05-07 2024-03-31 13F ROCKWELL AUTOMATION COM 773903109 533 -49 -8.42 155 -13.89 0.0005
2024-02-09 2023-12-31 13F ROCKWELL AUTOMATION COM 773903109 582 99 20.50 181 30.43 0.0007
2023-10-27 2023-09-30 13F ROCKWELL AUTOMATION COM 773903109 483 24 5.23 138 -8.61 0.0006
2023-08-11 2023-06-30 13F ROCKWELL AUTOMATION INC COM COM 773903109 459 37 8.77 151 22.76 0.0006
2023-05-05 2023-03-31 13F ROCKWELL AUTOMATION INC COM COM 773903109 422 21 5.24 124 19.42 0.0005
2023-02-10 2022-12-31 13F ROCKWELL AUTOMATION COM 773903109 401 -521 -56.51 103 -47.98 0.0004
2022-11-01 2022-09-30 13F ROCKWELL AUTOMATION COM 773903109 922 -10 -1.07 198 6.45 0.0009
2022-08-03 2022-06-30 13F ROCKWELL AUTOMATION INC COM COM 773903109 932 -1,362 -59.37 186 -71.03 0.0008
2022-05-13 2022-03-31 13F ROCKWELL AUTOMATION INC COM COM 773903109 2,294 53 2.37 642 -17.90 0.0027
2022-02-14 2021-12-31 13F ROCKWELL AUTOMATION INC COM COM 773903109 2,241 41 1.86 782 20.87 0.0032
2021-11-12 2021-09-30 13F ROCKWELL AUTOMATION INC COM COM 773903109 2,200 -185 -7.76 647 -5.13 0.0029
2021-08-16 2021-06-30 13F ROCKWELL AUTOMATION INC COM COM 773903109 2,385 647 37.23 682 47.94 0.0032
2021-05-14 2021-03-31 13F ROCKWELL AUTOMATION COM 773903109 1,738 -731 -29.61 461 -25.53 0.0024
2021-02-10 2020-12-31 13F ROCKWELL AUTOMATION INC COM COM 773903109 2,469 104 4.40 619 18.58 0.0034
2020-11-13 2020-09-30 13F ROCKWELL AUTOMATION INC COM COM 773903109 2,365 -280 -10.59 522 -7.28 0.0034
2020-08-11 2020-06-30 13F ROCKWELL AUTOMATION INC COM COM 773903109 2,645 36 1.38 563 42.89 0.0040
2020-05-12 2020-03-31 13F ROCKWELL AUTOMATION INC COM COM 773903109 2,609 -103 -3.80 394 -28.36 0.0033
2020-02-11 2019-12-31 13F ROCKWELL AUTOMATION INC COM COM 773903109 2,712 -115 -4.07 550 18.03 0.0042
2019-11-13 2019-09-30 13F ROCKWELL AUTOMATION INC COM COM 773903109 2,827 -95 -3.25 466 -2.71 0.0039
2019-08-14 2019-06-30 13F ROCKWELL AUTOMATION INC COM COM 773903109 2,922 226 8.38 479 1.27 0.0039
2019-05-14 2019-03-31 13F ROCKWELL AUTOMATION INC COM COM 773903109 2,696 284 11.77 473 30.30 0.0043
2019-02-13 2018-12-31 13F ROCKWELL AUTOMATION INC COM COM 773903109 2,412 209 9.49 363 -12.11 0.0035
2018-11-13 2018-09-30 13F ROCKWELL AUTOMATION INC COM COM 773903109 2,203 208 10.43 413 24.40 0.0038
2018-08-01 2018-06-30 13F ROCKWELL AUTOMATION INC COM COM 773903109 1,995 -69 -3.34 332 -7.78 0.0033
2018-05-16 2018-03-31 13F ROCKWELL AUTOMATION INC COM COM 773903109 2,064 -1,500 -42.09 360 -48.57 0.0037
2018-02-13 2017-12-31 13F ROCKWELL AUTOMATION INC COM COM 773903109 3,564 1,877 111.26 700 132.56 0.0072
2017-11-08 2017-09-30 13F ROCKWELL AUTOMATION INC COM COM 773903109 1,687 207 13.99 301 25.42 0.0034
2017-08-14 2017-06-30 13F ROCKWELL AUTOMATION INC COM COM 773903109 1,480 1,306 750.57 240 788.89 0.0030
2017-09-15 2017-03-31 13F/A-1 ROCKWELL AUTOMATION INC COM COM 773903109 174 -46 -20.91 27 -10.00 0.0004
2017-05-08 2017-03-31 13F ROCKWELL AUTOMATION INC COM COM 773903109 174 -46 27
2017-09-15 2016-12-31 13F/A-1 ROCKWELL AUTOMATION INC COM COM 773903109 220 -14 -5.98 30 7.14 0.0004
2017-02-14 2016-12-31 13F ROCKWELL AUTOMATION INC COM COM 773903109 220 -14 30
2017-09-14 2016-09-30 13F/A-1 ROCKWELL AUTOMATION INC COM COM 773903109 234 -76 -24.52 28 -20.00 0.0004
2016-11-04 2016-09-30 13F ROCKWELL AUTOMATION INC COM COM 773903109 234 -76 28
2017-09-14 2016-06-30 13F/A-1 ROCKWELL AUTOMATION INC COM COM 773903109 310 160 106.67 35 105.88 0.0006
2016-08-08 2016-06-30 13F ROCKWELL AUTOMATION INC COM COM 773903109 310 160 35
2017-09-14 2016-03-31 13F/A-1 ROCKWELL AUTOMATION INC COM COM 773903109 150 34 29.31 17 41.67 0.0003
2016-05-13 2016-03-31 13F ROCKWELL AUTOMATION INC COM COM 773903109 150 34 17
2017-09-14 2015-12-31 13F/A-1 ROCKWELL AUTOMATION INC COM COM 773903109 116 116 12 0.0002
2016-02-12 2015-12-31 13F ROCKWELL AUTOMATION INC COM COM 773903109 116 116 12
2015-11-10 2015-09-30 13F ROCKWELL AUTOMATION INC COM COM 773903109 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.