Stockbridge Partners LLC
Position in ALSN — Allison Transmission Holdings Inc
CIK 1505183
Boston, MA
Position in ALSN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$169,108,196
+$48,489,807 QoQ
Shares Held
1,499,984
+45.6% QoQ
Ownership
1.82%
of shares outstanding
% of Portfolio
3.56%
of 13F equity value
Holder Rank
#15
of 563 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ALSN Over Time
Shares Held
Position Value (USD)
Position in Auto Parts
Consumer Cyclical · as of Jun 30, 2026Stockbridge Partners LLC holds $169,108,196 across 1 Auto Parts name. ALSN ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALSN |
Allison Transmission Holdings Inc
This page
|
1,499,984 | $169,108,196 |
All Filings in ALSN
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2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $169,108,196 | 1,499,984 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $120,618,389 | 1,030,398 | Shares | Defined | 2026-05-15 | |
| No filing history on record for this holder in this stock. | ||||||