PKG vs SW
Packaging Corp of America (PKG) and Smurfit Westrock plc (SW) are both filed with the SEC under Paperboard Containers & Boxes. SW is 1.2× PKG's size by market cap ($25.5B against $21.7B); SW trades at the higher fiscal-year P/E (36.6× against 28.4×); PKG reports the higher net margin (8.6% against 2.2%); SW grew sales faster over three years (+32.2% against +2.0%); and over the past year PKG returned +13.0% against SW's +7.5%.
| PKG | SW | |
|---|---|---|
| Last close | $240.39 | $48.29 |
| Market cap | $21.7B | $25.5B |
| P/E (FY) | 28.4× | 36.6× |
| P/S | 2.4× | 0.8× |
| EV/EBITDA | 14.3× | 8.9× |
| Gross margin | 21.0% | 19.4% |
| Operating margin | 12.3% | 5.5% |
| Net margin | 8.6% | 2.2% |
| Return on equity | 17.2% | 3.9% |
| Sales growth (3y) | +2.0% | +32.2% |
| EPS growth (3y) | -8.0% | -30.5% |
| Dividend yield | 2.1% | 3.5% |
| 1-year return | +13.0% | +7.5% |
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 — FY2025 (ended 2025-12-31) for both.
Who holds them, and who has traded them
| PKG | SW | |
|---|---|---|
| Institutional holders (13F) | 875 | 610 |
| Insider buyers − sellers (180d) | -1 | — |
| Congressional trades disclosed (180d) | 5 | 0 |
| Executive-branch officials on file — trades disclosed (180d) | 1 | 11 |
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. — no open-market Form 4 purchases or sales in the window.
PKG vs SW: common questions
- Is PKG bigger than SW?
- SW carries the larger market cap — $25.5B against $21.7B, both struck on 2026-08-27.
- Which trades at a higher P/E, PKG or SW?
- SW, at a fiscal-year 36.6× against 28.4× for PKG. Both are price ÷ latest full-year diluted earnings per share, not a trailing-twelve-month P/E.
- How have PKG and SW performed over the past year?
- PKG returned +13.0% and SW +7.5%, measured on the trailing calendar year to the last close.
- How many institutions hold PKG and SW?
- 875 13F filers report a position in PKG and 610 in SW, on the latest quarter in the panel.
- Are PKG and SW in the same industry?
- Both are filed with the SEC under Paperboard Containers & Boxes, which is the classification this pairing is built on.
PKG overview → · SW overview → · PKG institutional ownership → · SW institutional ownership → · Congress and PKG → · Executive branch and PKG → · Executive branch and SW →
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Source: SPZCO — https://spzco.com/vs/pkg-vs-sw