ROK vs TMO
Rockwell Automation, Inc (ROK) and Thermo Fisher Scientific Inc. (TMO) are both filed with the SEC under Measuring & Controlling Devices, NEC. TMO is 4.8× ROK's size by market cap ($233.2B against $48.1B); ROK trades at the higher fiscal-year P/E (56.5× against 35.6×); TMO reports the higher net margin (15.0% against 10.4%); ROK grew sales faster over three years (+2.4% against -0.3%); and over the past year TMO returned +27.4% against ROK's +24.7%.
| ROK | TMO | |
|---|---|---|
| Last close | $430.86 | $622.18 |
| Market cap | $48.1B | $233.2B |
| P/E (FY) | 56.5× | 35.6× |
| P/S | 5.8× | 5.2× |
| EV/EBITDA | 24.8× | — |
| Gross margin | 48.1% | — |
| Operating margin | 20.4% | 17.4% |
| Net margin | 10.4% | 15.0% |
| Return on equity | 24.3% | 13.0% |
| Sales growth (3y) | +2.4% | -0.3% |
| EPS growth (3y) | -1.3% | +0.2% |
| Dividend yield | 1.2% | 0.3% |
| 1-year return | +24.7% | +27.4% |
Screener snapshot — prices as of 2026-08-28. Each side's last close is the most recent session the snapshot holds for that company, which can be an earlier one, and its 1-year return is measured to that close. Market caps struck on 2026-08-27. Last close, market cap and the 1-year return are price figures; every other row is computed over the company's latest filed fiscal year, and the two differ: ROK FY2025 (ended 2025-09-30); TMO FY2025 (ended 2025-12-31). — not published for this company. A ratio goes unpublished for more than one reason: a component the calculation needs is not on file, the filing does not tag the line it is read from, or the calculation is not defined on the filed basis — EV/EBITDA is not printed on non-positive EBITDA, and return on equity is not computed on a zero or negative equity base.
Who holds them, and who has traded them
| ROK | TMO | |
|---|---|---|
| Institutional holders (13F) | 1,405 | 2,572 |
| Insider buyers − sellers (180d) | -5 | -3 |
| Congressional trades disclosed (180d) | 0 | 3 |
| Executive-branch officials on file — trades disclosed (180d) | 3 | 10 |
Counts only. The congressional figures count transactions dated in the trailing 180 days and disclosed in STOCK Act periodic transaction reports; amounts are filed as ranges and are never summed. The executive-branch figures count the same window of transactions, and they are scoped to one roster. The officials OGE posts for direct download. Insider buyers − sellers counts distinct people filing open-market Form 4 purchases minus distinct people filing open-market sales over the trailing 180 days, capped at ±5.
ROK vs TMO: common questions
- Is ROK bigger than TMO?
- TMO carries the larger market cap — $233.2B against $48.1B, both struck on 2026-08-27.
- Which trades at a higher P/E, ROK or TMO?
- ROK, at a fiscal-year 56.5× against 35.6× for TMO. Both are price ÷ latest full-year diluted earnings per share, not a trailing-twelve-month P/E.
- How have ROK and TMO performed over the past year?
- TMO returned +27.4% and ROK +24.7%, measured on the trailing calendar year to the last close.
- How many institutions hold ROK and TMO?
- 1,405 13F filers report a position in ROK and 2,572 in TMO, on the latest quarter in the panel.
- Are ROK and TMO in the same industry?
- Both are filed with the SEC under Measuring & Controlling Devices, NEC, which is the classification this pairing is built on.
ROK overview → · TMO overview → · ROK institutional ownership → · TMO institutional ownership → · Congress and TMO → · Executive branch and ROK → · Executive branch and TMO →
More in Measuring & Controlling Devices, NEC: ONTO vs ROK · ONTO vs TMO · ONTO vs TRMB · ROK vs TRMB
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Source: SPZCO — https://spzco.com/vs/rok-vs-tmo