Who owns Iridium Communications Inc (IRDM)?
180 US mutual funds and ETFs from 81 fund families reported a position in IRDM for the quarter ending 2026-06-30. Against their own report a quarter earlier, 54 raised shares, 35 opened a new position, 60 cut and 26 sold out.
Largest fund families
| Fund family | Funds | Share of fund-held shares |
|---|---|---|
| Ishares Trust | 14 | 38.2% |
| Vanguard Index Funds | 4 | 30.5% |
| Spdr Series Trust | 13 | 10.6% |
| Aqr Funds | 11 | 3.8% |
| Vanguard Tax-Managed Funds | 2 | 3.5% |
| Wisdomtree Trust | 6 | 2.0% |
Tracked managers holding IRDM
| Investor | Book weight |
|---|---|
| Joel Greenblatt · Gotham | 0.3% |
Source: SEC Form N-PORT, which funds file about 60 days after quarter end, and the latest 13F filings. Share counts, not trades: a change can reflect fund inflows or outflows rather than a decision about IRDM. A record of holdings, not a forecast and not investment advice. See all owner pages or the forecast board for the names our model ranks.
Our model ranks every tracked manager’s likely next buys from 13F filings. Request the dataset sample with a work email.
The predicted next buys, fresh disclosures, and the week’s catalysts. One email a week. Honest numbers, never advice.