WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in ORLY — O Reilly Automotive Inc
CIK 1644956
CHICAGO, IL
Position in ORLY
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$204,008,238
-$67,935,015 QoQ
Shares Held
2,210,034
-25.9% QoQ
Ownership
0.267%
of shares outstanding
% of Portfolio
0.68%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2022
14 quarters on record
Voting authority
Sole 89%
Shared 0%
None 11%
Common Shares in ORLY Over Time
Shares Held
Position Value (USD)
Position in Auto Parts
Consumer Cyclical · as of Mar 31, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $542,681,839 across 6 Auto Parts names. ORLY ranks #1 (37.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ORLY |
O Reilly Automotive Inc
This page
|
2,210,034 | $204,008,238 | |
| 2 | BWA |
Borgwarner Inc
|
2,884,062 | $156,489,204 | |
| 3 | GTX |
Garrett Motion Inc.
|
5,762,697 | $104,708,204 | |
| 4 | MOD |
Modine Manufacturing Co
|
243,343 | $52,734,861 | |
| 5 | ATMU |
Atmus Filtration Technologies Inc.
|
426,072 | $24,188,107 | |
| 6 | ALSN |
Allison Transmission Holdings Inc
|
4,726 | $553,225 |
All Filings in ORLY
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $204,008,238 | 2,210,034 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $271,943,253 | 2,981,507 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $314,338,813 | 2,915,674 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $319,428,200 | 3,544,083 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $370,800,282 | 258,834 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $278,966,447 | 235,256 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $275,256,464 | 239,021 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $238,672,728 | 226,003 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $253,504,791 | 224,563 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $166,886,390 | 175,655 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $161,103,703 | 177,259 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $136,484,737 | 142,871 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $116,915,651 | 137,713 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $82,236,423 | 97,433 | Shares | Sole | 2023-02-09 | |
| No filing history on record for this holder in this stock. | ||||||