Madison Dearborn Partners LLC is 10% at BOISE CASCADE Co (BCC). They have made 2 open-market trades across 2 companies since 2014, most recently 2026-06-05.
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 2 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| CDW | 44,598,665 | $6.7B |
| VWR | 45,750,000 | $1.5B |
| OPCH | 47,160,171 | $1.5B |
| AVEX | 22,861,457 | $351.6M |
| PKG | 4,466 | $1.1M |
| BCC | 5,468 | $417K |
| Total | $10.1B |
Shares reported on the most recent Form 4, priced at the 2026-06-08 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.