Position in IRDM
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$11,163,352
-$1,012,102 QoQ
Shares Held
402,428
-42.6% QoQ
Ownership
0.381%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
17 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IRDM Over Time
Shares Held
Position Value (USD)
Derivatives in IRDM
reported options exposure · as of Dec 31, 2021CallValue
$371,610
CallShares
9,000
PutValue
$697,801
PutShares
16,900
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 Telecom Services
Communication Services · as of Mar 31, 2026TWO SIGMA INVESTMENTS, LP holds $1,553,708,013 across 33 Telecom Services names. IRDM ranks #13 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMUS |
T-Mobile US, Inc.
|
3,891,468 | $817,325,024 | |
| 2 | BCE |
Bce Inc
|
8,412,506 | $212,331,651 | |
| 3 | KT |
Kt Corp
|
5,050,866 | $108,341,075 | |
| 4 | TU |
Telus Corp
|
5,891,648 | $75,589,843 | |
| 5 | CHTR |
Charter Communications, Inc. /Mo/
|
302,190 | $65,236,777 | |
| 6 | T |
At&T Inc.
|
1,880,911 | $54,527,609 | |
| 7 | RCI |
Rogers Communications Inc
|
1,251,368 | $48,115,099 | |
| 8 | LUMN |
Lumen Technologies, Inc.
|
5,844,871 | $40,621,853 |
All Filings in IRDM
Export CSV
19 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $11,163,352 | 402,428 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $12,175,454 | 700,544 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $12,913,241 | 739,590 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $5,177,745 | 171,619 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $1,678,458 | 61,437 | Shares | Sole | 2025-05-15 | |
| 2024-06-30 | $218,869 | 8,222 | Shares | Sole | 2024-08-14 | |
| 2023-09-30 | $5,047,706 | 110,963 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $900,740 | 14,500 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $786,511 | 12,700 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $6,818,981 | 132,665 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $5,951,924 | 134,143 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,237,449 | 59,570 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $8,016,946 | 198,833 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $697,801 | 16,900 | Put | Sole | 2022-02-14 | |
| 2021-12-31 | $371,610 | 9,000 | Call | Sole | 2022-02-14 | |
| 2021-12-31 | $222,553 | 5,390 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $371,402 | 9,320 | Shares | Sole | 2021-11-15 | |
| 2020-09-30 | $429,104 | 16,775 | Shares | Sole | 2020-11-16 | |
| 2020-03-31 | $207,669 | 9,300 | Put | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||