Position in ATMU
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$13,083,497
+$2,843,680 QoQ
Shares Held
230,465
+16.8% QoQ
Ownership
0.282%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2023
12 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATMU Over Time
Shares Held
Position Value (USD)
Derivatives in ATMU
reported options exposure · as of Mar 31, 2026CallValue
$965,090
CallShares
17,000
PutValue
$340,620
PutShares
6,000
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Auto Parts
Consumer Cyclical · as of Mar 31, 2026CITADEL ADVISORS LLC holds $915,112,061 across 49 Auto Parts names. ATMU ranks #10 (1.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ORLY |
O Reilly Automotive Inc
|
4,851,312 | $447,824,610 | |
| 2 | AZO |
Autozone Inc
|
43,132 | $145,690,406 | |
| 3 | ALSN |
Allison Transmission Holdings Inc
|
304,746 | $35,673,566 | |
| 4 | MOD |
Modine Manufacturing Co
|
146,150 | $31,672,165 | |
| 5 | QS |
QuantumScape Corp
|
4,419,643 | $28,197,322 | |
| 6 | GNTX |
Gentex Corp
|
1,224,623 | $26,758,011 | |
| 7 | GTX |
Garrett Motion Inc.
|
1,186,042 | $21,550,382 | |
| 8 | AAP |
Advance Auto Parts Inc
|
343,988 | $18,145,366 |
All Filings in ATMU
Export CSV
33 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $13,083,497 | 230,465 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $340,620 | 6,000 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $965,090 | 17,000 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $628,111 | 12,100 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $545,055 | 10,500 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $10,239,817 | 197,261 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $3,484,644 | 77,282 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $825,147 | 18,300 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $514,026 | 11,400 | Put | Defined | 2025-11-14 | |
| 2025-06-30 | $662,844 | 18,200 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $5,422,136 | 148,878 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $1,759,367 | 47,900 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $44,182,259 | 1,202,893 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $264,456 | 7,200 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $6,405,498 | 163,489 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $681,732 | 17,400 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $1,923,738 | 49,100 | Call | Defined | 2025-02-14 | |
| 2024-09-30 | $1,058,346 | 28,200 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $9,836,162 | 262,088 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $810,648 | 21,600 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $5,096,592 | 177,088 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $3,358,626 | 116,700 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $500,772 | 17,400 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $17,044,125 | 528,500 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $8,168,925 | 253,300 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $6,733,993 | 208,806 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $3,598,668 | 153,200 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $641,300 | 27,301 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $122,148 | 5,200 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $235,605 | 11,300 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $2,156,619 | 103,435 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $6,255 | 300 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $34,697,041 | 1,580,011 | Shares | Defined | 2023-08-14 | |
| No filing history on record for this holder in this stock. | ||||||