Position in MRAM
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$2,721,277
+$1,014,074 QoQ
Shares Held
309,588
+68.3% QoQ
Ownership
1.32%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#12
of 97 holders
Holding Since
Jun 2020
11 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MRAM Over Time
Shares Held
Position Value (USD)
Derivatives in MRAM
reported options exposure · as of Dec 31, 2021CallValue
$137,860
CallShares
12,200
PutValue
$0
PutShares
0
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 Semiconductors
Technology · as of Mar 31, 2026JANE STREET GROUP, LLC holds $4,565,712,816 across 55 Semiconductors names. MRAM ranks #31 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AVGO |
Broadcom Inc.
|
4,676,806 | $1,447,518,222 | |
| 2 | MRVL |
Marvell Technology, Inc.
|
9,953,890 | $985,932,802 | |
| 3 | MU |
Micron Technology Inc
|
1,777,737 | $600,590,667 | |
| 4 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
723,527 | $244,515,949 | |
| 5 | NVDA |
Nvidia Corp
|
1,209,716 | $210,974,469 | |
| 6 | TSEM |
Tower Semiconductor Ltd
|
1,190,538 | $208,915,607 | |
| 7 | LSCC |
Lattice Semiconductor Corp
|
1,823,721 | $169,168,358 | |
| 8 | GFS |
GLOBALFOUNDRIES Inc.
|
1,920,171 | $85,409,205 |
All Filings in MRAM
Export CSV
11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,721,277 | 309,588 | Shares | Defined | 2026-05-12 | |
| 2025-12-31 | $1,707,203 | 183,966 | Shares | Defined | 2026-02-12 | |
| 2025-09-30 | $469,279 | 50,406 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $362,793 | 57,678 | Shares | Defined | 2025-08-14 | |
| 2024-09-30 | $82,068 | 13,910 | Shares | Defined | 2024-11-15 | |
| 2024-03-31 | $1,020,396 | 128,838 | Shares | Defined | 2024-05-16 | |
| 2023-12-31 | $1,240,758 | 137,252 | Shares | Defined | 2024-02-15 | |
| 2023-03-31 | $158,897 | 23,333 | Shares | Defined | 2023-05-16 | |
| 2022-03-31 | $89,111 | 10,231 | Shares | Defined | 2022-05-17 | |
| 2021-12-31 | $137,860 | 12,200 | Call | Defined | 2022-02-15 | |
| 2020-06-30 | $93,478 | 13,316 | Shares | Defined | 2020-08-17 | |
| No filing history on record for this holder in this stock. | ||||||