Twin Tree Management, LP

Position in IRDM — Iridium Communications Inc.

CIK 1535588 DALLAS, TX

Back to IRDM Full portfolio

Position in IRDM

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$218,412

+$212,736 QoQ

Shares Held

3,982

+1735.0% QoQ

Ownership

0.004%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

#341

of 477 holders

Holding Since

Jun 2021

6 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in IRDM Over Time

Shares Held

Position Value (USD)

Derivatives in IRDM

reported options exposure · as of Mar 31, 2022

CallValue

CallShares

PutValue

$802,368

PutShares

19,900

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 Jun 30, 2026

Twin Tree Management, LP holds $611,360 across 4 Telecom Services names. IRDM ranks #2 (35.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TU	Telus Corp	25,631	$270,919
2	IRDM	Iridium Communications Inc. This page	3,982	$218,412
3	CMCSA	Comcast Corp	4,089	$100,384
4	RCI	Rogers Communications Inc	666	$21,645

All Filings in IRDM

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9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$218,412	3,982	+1735.0%	Shares	Sole	2026-08-12
2024-03-31	$5,676	217	-83.9%	Shares	Sole	2024-05-09
2022-03-31	$802,368	19,900	-86.3%	Put	Sole	2022-05-11
2022-03-31	$54,391	1,349	-95.4%	Shares	Sole	2022-05-11
2021-12-31	$1,209,920	29,303	-34.5%	Shares	Sole	2022-02-10
2021-12-31	$5,978,792	144,800	0.0%	Put	Sole	2022-02-10
2021-09-30	$5,770,280	144,800	—	Put	Sole	2021-11-12
2021-09-30	$1,781,494	44,705	—	Shares	Sole	2021-11-12
2021-06-30	$339,915	8,500	—	Call	Sole	2021-08-12
No filing history on record for this holder in this stock.