Position in UMAC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$9,108,055
+$7,781,355 QoQ
Shares Held
408,433
+281.7% QoQ
Ownership
0.818%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#20
of 182 holders
Holding Since
Dec 2024
6 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in UMAC Over Time
Shares Held
Position Value (USD)
Derivatives in UMAC
reported options exposure · as of Jun 30, 2026CallValue
$20,188,190
CallShares
905,300
PutValue
$20,335,370
PutShares
911,900
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 Computer Hardware
Technology · as of Jun 30, 2026JANE STREET GROUP, LLC holds $7,324,503,910 across 23 Computer Hardware names. UMAC ranks #11 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SNDK |
Sandisk Corp
|
1,157,795 | $2,632,513,224 | |
| 2 | STX |
Seagate Technology Holdings plc
|
1,473,813 | $1,422,229,545 | |
| 3 | SMCI |
Super Micro Computer, Inc.
|
39,377,280 | $1,394,589,515 | |
| 4 | DELL |
Dell Technologies Inc.
|
2,320,588 | $1,001,240,897 | |
| 5 | WDC |
Western Digital Corp
|
1,052,246 | $672,090,563 | |
| 6 | IONQ |
IonQ, Inc.
|
2,056,763 | $109,543,195 | |
| 7 | OSS |
One Stop Systems, Inc.
|
1,309,455 | $23,805,891 | |
| 8 | RGTI |
Rigetti Computing, Inc.
|
1,012,553 | $18,624,556 |
All Filings in UMAC
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $20,335,370 | 911,900 | Put | Defined | 2026-08-14 | |
| 2026-06-30 | $20,188,190 | 905,300 | Call | Defined | 2026-08-14 | |
| 2026-06-30 | $9,108,055 | 408,433 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $4,346,200 | 350,500 | Call | Defined | 2026-05-12 | |
| 2026-03-31 | $2,979,720 | 240,300 | Put | Defined | 2026-05-12 | |
| 2026-03-31 | $1,326,700 | 106,992 | Shares | Defined | 2026-05-12 | |
| 2025-12-31 | $3,479,294 | 273,100 | Call | Defined | 2026-02-12 | |
| 2025-12-31 | $3,913,383 | 307,173 | Shares | Defined | 2026-02-12 | |
| 2025-12-31 | $1,420,510 | 111,500 | Put | Defined | 2026-02-12 | |
| 2025-09-30 | $2,586,630 | 171,300 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $8,073,970 | 534,700 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $2,706,312 | 179,226 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $678,744 | 79,200 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $970,981 | 113,300 | Put | Defined | 2025-08-14 | |
| 2024-12-31 | $298,386 | 17,740 | Shares | Defined | 2025-02-14 | |
| No filing history on record for this holder in this stock. | ||||||