Iridium Communications
IRDM
48.36
-0.68
-1.39%
Iridium Communications
US · IRDM
#2099 by market cap
Listed 1970
48.36
-0.68
-1.39%
Live - 5344 symbols - heartbeat 539s ago
· 2026-10-08 07:00
Pre-market
48.00
-0.74%
After-hours
48.00
-0.74%
Overnight
48.36
0.00%
- Market cap
- 5.13B
- P/E (TTM)i
- 55.59
- P/Bi
- 10.85
- EPSi
- 1.06
- Div yieldi
- 1.24%
- 52W posi
- 79%
Reader sentiment
Are you bullish or bearish on IRDM?
Anonymous reader poll. Unscientific, not investment advice.
✦ Quant Ownership Signal how this is computed
Distributing
- The number of reporting institutions decreased by 4 in the most recent period (2026/Q3).
- Total institutional ownership fell 0.6 percentage points.
Institutional ownership
- Held by institutions
- 96.12% -0.62pp
- Institutions
- 557 -4
- As of
- 2026/Q3 vs. prior period
Ownership vs. money flow
AlignedInstitutions trimmed shares last reporting period, and the stock has seen net outflows in main-fund flow over the last 20 trading sessions - the two line up.
Institutional ownership changes are reported quarterly with a lag; fund-flow data is daily. Treat this as a directional cross-check, not a precise timing signal.
Holder types
Mutual Fund67.20%
Hedge Fund13.11%
Private Company10.79%
Public Company2.71%
Individual/Insider1.98%
Government Pension Fund1.62%
Family Office/Trust0.25%
Insurance Company0.21%
VC/PE Fund0.13%
Other2.01%
Top holders as of 2026-06-30
BlackRock
12.69% · 13.45M sh
Estate of Khalid bin Abdullah bin Abdulrahman
9.44% · 10.00M sh
AQR Capital Management
6.55% · 6.94M sh
Vanguard Portfolio Management, LLC
5.13% · 5.44M sh
Vanguard Capital Management, LLC
4.62% · 4.89M sh
American Century Investment Management
4.58% · 4.86M sh
State Street Global Advisors
4.47% · 4.73M sh
Silver Heights Capital Management Inc.
3.09% · 3.27M sh
Gotham Asset Management, LLC
2.37% · 2.51M sh
Dimensional Fund Advisors
2.23% · 2.36M sh
Bar length is relative to the largest holder shown here, not to 100% of the company.
Insiders
50 filings tracked · 22 buys · 27 sells
| Name | Role | Stake |
|---|---|---|
| Matthew Desch | Chief Executive Officer | 1.01% |
| Alvin Krongard | Independent Director | 0.39% |
| Scott Scheimreif | Executive Vice President of Government Programs | 0.15% |
| Steven Pfeiffer | Former Independent Director | 0.11% |
| Suzanne McBride | Chief Operating Officer | 0.07% |
| Robert Niehaus | Independent Chairperson | 0.04% |
| Thomas Canfield | Independent Director | 0.03% |
| Thomas Fitzpatrick | CFO, Chief Administrative Officer & Director | 0.03% |
| Bryan Hartin | Officer | 0.03% |
| Vincent O'Neill | Former Officer | 0.03% |
Insider transactions most recent Form 4 filings
| Date | Name | Role | Type | Shares | Price |
|---|---|---|---|---|---|
| 2026-09-29 | Leon Frazier | Independent Director | Other Acquisition | +106 | -- |
| 2026-09-29 | Robert Niehaus | Independent Chairperson | Other Acquisition | +55 | -- |
| 2026-09-29 | Thomas Fitzpatrick | CFO, Chief Administrative Officer & Director | Other Acquisition | +55 | -- |
| 2026-09-29 | Thomas Canfield | Independent Director | Other Acquisition | +733 | -- |
| 2026-09-29 | Jacqueline Yeaney | Independent Director | Other Acquisition | +34 | -- |
| 2026-09-29 | Kay Sears | Independent Director | Other Acquisition | +34 | -- |
| 2026-09-29 | Eric Olson | Independent Director | Other Acquisition | +441 | -- |
| 2026-09-29 | Monique Shivanandan | Independent Director | Other Acquisition | +49 | -- |
| 2026-09-29 | Louis Alterman | Director | Other Acquisition | +43 | -- |
| 2026-09-14 | Timothy Last | Senior Vice President of Sales, Product Management and Customer Care | Open Market Disposition | -5,769 | $46.35 |
| 2026-09-02 | Timothy Last | Senior Vice President of Sales, Product Management and Customer Care | Open Market Disposition | -2,013 | $47.36 |
| 2026-08-31 | Matthew Desch | Chief Executive Officer | Sale to Issuer | -9,583 | $46.98 |
| 2026-08-31 | Scott Scheimreif | Executive Vice President of Government Programs | Sale to Issuer | -2,207 | $46.98 |
| 2026-08-31 | Timothy Kapalka | -- | Sale to Issuer | -693 | $46.98 |
| 2026-08-31 | Suzanne McBride | Chief Operating Officer | Sale to Issuer | -3,623 | $46.98 |
| 2026-08-31 | Kathleen Morgan | Chief Legal Officer & Company Secretary | Sale to Issuer | -2,053 | $46.98 |
| 2026-08-31 | Timothy Last | Senior Vice President of Sales, Product Management and Customer Care | Sale to Issuer | -1,501 | $46.98 |
| 2026-08-31 | Vincent O'Neill | Former Officer | Sale to Issuer | -1,461 | $46.98 |
| 2026-08-19 | Suzanne McBride | Chief Operating Officer | Other Disposition | -17,403 | -- |
| 2026-08-17 | Thomas Fitzpatrick | CFO, Chief Administrative Officer & Director | Open Market Disposition | -224,279 | $49.20–50.22 |
Form 4 filings, most recent per company. "Other Derivative Acquisition" rows are mostly RSU/option vesting, not open-market buying - the Type column says which.
Quote time 2026-10-08 07:00:06 · For reference only, not investment advice and not tailored to your situation.