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IRDMCommunication ServicesCommon Stock

Iridium Communications Inc

Held by 10 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 46269C102 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide

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In plain English: 10 of the investors we track own this stock. In the latest quarter, 3 of them bought more of it and 8 sold some or all of theirs (1 bought it for the first time). That tells you what they did last quarter — not what the stock will do next.

Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer

Managers holding
10
-1 vs last quarter (like-for-like)
Total value held
$143.47M
Across tracked managers
Average weight ⓘOn average, how big this stock is in the portfolios that own it (its share of each manager's reported portfolio value).
0.1%
Of each manager's book
QoQ value ⓘLike-for-like: only managers that filed both quarters are compared, so a manager filing late (or confidentially) does not look like buying or selling. Includes price changes.
+$30.13M
+26.6% vs last quarter
Net shares bought
-1.5M
Est. net flow -$53.35M
Quarter activity
3 bought · 8 sold
1 new · 2 sold out

Tracked capital in this stock

Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).

Chart: Tracked capital in this stock

Aggregate buying and selling

Net share change reported each quarter

Chart: Aggregate buying and selling

Who owns IRDM?

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Who owns IRDM? — Q2 2026

Holders ranked by position size, with each one's quarter-over-quarter change.

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

# Manager Fund Shares Value ↓ % of their portfolio QoQ Δ shares Δ shares % Est. Δ value ⓘChange in shares × this quarter's price
1 Cathie Wood ARK Investment Management LLC 1.22M $66.65M 0.4% Reduced -511.7K -29.6% -$28.07M
3 Two Sigma Two Sigma Investments 363.69K $19.95M 0.0% Reduced -38.7K -9.6% -$2.13M
4 Israel Englander Millennium Management 153.21K $8.40M 0.0% Reduced -341.5K -69.0% -$18.73M
7 Ray Dalio Bridgewater Associates 43.54K $2.39M 0.0% Reduced -63.1K -59.2% -$3.46M
8 David Shaw D.E. Shaw & Co. 39.10K $2.14M 0.0% Reduced -44.2K -53.1% -$2.43M
10 Steve Cohen Point72 Asset Management 1.43K $78.60K 0.0% Reduced -105.4K -98.7% -$5.78M

Sold out completely this quarter

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Manager Fund Shares sold Value last quarter ↓
Select Equity Group Select Equity Group -942.5K $26.15M
Ken Griffin Citadel Advisors -63.6K $1.76M

Politician trades

Politician trades in IRDM

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

No politician trades match these filters.