Position in BWA
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$251,304,544
+$94,815,340 QoQ
Shares Held
3,784,707
+31.2% QoQ
Ownership
1.86%
of shares outstanding
% of Portfolio
0.76%
of 13F equity value
Holder Rank
#10
of 815 holders
Holding Since
Dec 2023
4 quarters on record
Voting authority
Sole 91%
Shared 0%
None 9%
Common Shares in BWA Over Time
Shares Held
Position Value (USD)
Position in Auto Parts
Consumer Cyclical · as of Jun 30, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $632,812,810 across 7 Auto Parts names. BWA ranks #1 (39.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BWA |
Borgwarner Inc
This page
|
3,784,707 | $251,304,544 | |
| 2 | ORLY |
O Reilly Automotive Inc
|
1,855,002 | $170,827,134 | |
| 3 | GTX |
Garrett Motion Inc.
|
3,232,883 | $117,127,351 | |
| 4 | MOD |
Modine Manufacturing Co
|
213,929 | $57,123,321 | |
| 5 | ATMU |
Atmus Filtration Technologies Inc.
|
405,168 | $20,659,516 | |
| 6 | XPEL |
XPEL, Inc.
|
307,175 | $15,235,880 | |
| 7 | ALSN |
Allison Transmission Holdings Inc
|
4,746 | $535,064 |
All Filings in BWA
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $251,304,544 | 3,784,707 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $156,489,204 | 2,884,062 | Shares | Sole | 2026-05-08 | |
| 2024-03-31 | $428,031 | 12,321 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $424,858 | 11,851 | Shares | Sole | 2024-02-09 | |
| No filing history on record for this holder in this stock. | ||||||