Position in ROK
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$2,985,881
-$183,483 QoQ
Shares Held
8,320
+2.1% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
13 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ROK Over Time
Shares Held
Position Value (USD)
Position in Specialty Industrial Machinery
Industrials · as of Mar 31, 2026SIMPLEX TRADING, LLC holds $27,720,555 across 25 Specialty Industrial Machinery names. ROK ranks #2 (10.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GEV |
GE Vernova Inc.
|
16,901 | $14,752,882 | |
| 2 | ROK |
Rockwell Automation, Inc
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|
8,320 | $2,985,881 | |
| 3 | SMR |
NUSCALE POWER Corp
|
243,026 | $2,634,401 | |
| 4 | SYM |
Symbotic Inc.
|
44,932 | $2,390,382 | |
| 5 | AME |
Ametek Inc/
|
10,908 | $2,338,238 | |
| 6 | NNE |
Nano Nuclear Energy Inc.
|
25,472 | $521,666 | |
| 7 | ITW |
Illinois Tool Works Inc
|
1,679 | $437,026 | |
| 8 | GTES |
Gates Industrial Corp plc
|
14,295 | $323,209 |
All Filings in ROK
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13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,985,881 | 8,320 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $3,169,364 | 8,146 | Shares | Sole | 2026-02-11 | |
| 2025-06-30 | $355,754 | 1,071 | Shares | Sole | 2025-08-05 | |
| 2024-12-31 | $1,104,578 | 3,865 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $881,085 | 3,282 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $1,221,967 | 4,439 | Shares | Sole | 2024-07-25 | |
| 2023-06-30 | $696,127 | 2,113 | Shares | Sole | 2023-08-04 | |
| 2022-12-31 | $1,547,738 | 6,009 | Shares | Sole | 2023-02-02 | |
| 2022-06-30 | $2,014,027 | 10,105 | Shares | Sole | 2022-08-03 | |
| 2021-12-31 | $1,596,337 | 4,576 | Shares | Sole | 2022-02-23 | |
| 2020-09-30 | $1,100,531 | 4,987 | Shares | Sole | 2020-10-14 | |
| 2020-06-30 | $12,780 | 60 | Shares | Sole | 2020-07-13 | |
| 2020-03-31 | $9,054 | 60 | Shares | Sole | 2020-04-29 | |
| No filing history on record for this holder in this stock. | ||||||