Position in EXTR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$7,588,873
+$6,259,938 QoQ
Shares Held
503,241
+530.5% QoQ
Ownership
0.385%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in EXTR Over Time
Shares Held
Position Value (USD)
Derivatives in EXTR
reported options exposure · as of Mar 31, 2026CallValue
$220,168
CallShares
14,600
PutValue
$663,520
PutShares
44,000
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 Communication Equipment
Technology · as of Mar 31, 2026CITADEL ADVISORS LLC holds $739,842,370 across 34 Communication Equipment names. EXTR ranks #14 (1.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CSCO |
Cisco Systems, Inc.
|
1,405,626 | $109,062,521 | |
| 2 | NOK |
Nokia Corp
|
12,597,252 | $101,281,906 | |
| 3 | LITE |
Lumentum Holdings Inc.
|
140,747 | $98,911,361 | |
| 4 | HPE |
Hewlett Packard Enterprise Co
|
3,957,497 | $94,228,002 | |
| 5 | ASTS |
AST SpaceMobile, Inc.
|
699,724 | $57,986,127 | |
| 6 | CIEN |
Ciena Corp
|
140,435 | $54,521,079 | |
| 7 | AAOI |
Applied Optoelectronics, Inc.
|
421,003 | $35,612,643 | |
| 8 | ZBRA |
Zebra Technologies Corp
|
168,102 | $35,146,765 |
All Filings in EXTR
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $663,520 | 44,000 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $220,168 | 14,600 | Call | Defined | 2026-05-15 | |
| 2026-03-31 | $7,588,873 | 503,241 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $1,338,660 | 80,400 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $1,328,935 | 79,816 | Shares | Defined | 2026-02-17 | |
| 2025-12-31 | $750,915 | 45,100 | Put | Defined | 2026-02-17 | |
| 2025-09-30 | $384,090 | 18,600 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $5,146,062 | 249,204 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $1,678,845 | 81,300 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $396,695 | 22,100 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $1,918,855 | 106,900 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $1,616,074 | 90,032 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $1,160,271 | 87,700 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $1,780,758 | 134,600 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $1,255,182 | 94,874 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $2,607,940 | 155,791 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $1,504,926 | 89,900 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $1,129,950 | 67,500 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $2,362,716 | 157,200 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $3,010,659 | 200,310 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $900,297 | 59,900 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $1,896,450 | 141,000 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $755,890 | 56,200 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $4,796,877 | 415,674 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $1,734,462 | 150,300 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $2,146,440 | 186,000 | Call | Defined | 2024-05-15 | |
| 2023-12-31 | $13,441,661 | 761,999 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $2,077,992 | 117,800 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $1,178,352 | 66,800 | Put | Defined | 2024-02-14 | |
| 2023-09-30 | $15,684,932 | 647,870 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $1,501,020 | 62,000 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $1,556,703 | 64,300 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $1,375,440 | 52,800 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $5,709,222 | 219,164 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $830,995 | 31,900 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $91,699 | 4,796 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $885,256 | 46,300 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $267,680 | 14,000 | Put | Defined | 2023-05-15 | |
| 2022-12-31 | $541,865 | 29,594 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $91,550 | 5,000 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $369,862 | 20,200 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $2,000,375 | 153,051 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $177,508 | 19,900 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $3,783,988 | 424,214 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $2,843,330 | 232,869 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $504,273 | 41,300 | Call | Defined | 2022-05-16 | |
| 2022-03-31 | $433,455 | 35,500 | Put | Defined | 2022-05-16 | |
| 2021-12-31 | $7,837,204 | 499,185 | Shares | Defined | 2022-02-14 | |
| 2021-12-31 | $1,050,330 | 66,900 | Put | Defined | 2022-02-14 | |
| 2021-12-31 | $813,260 | 51,800 | Call | Defined | 2022-02-14 | |
| No filing history on record for this holder in this stock. | ||||||