IRIDIUM COMMUNICATIONS INC (IRDM): Institutional Ownership
Hedge funds and institutional managers reporting a position in IRDM · Communication Services. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
20
13F filers
Aggregate Value
$152.7M
Across holders
Last Price
$43.52
2026-06-26
Sector
Communication Services
GICS
Holder activity7 new5 added8 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 3.35M | $93.0M | 60.9% | 0.3% | Added | +$29.0M | Q1 2026 |
| Man Group plc CIK 0001637460 | Hedge Fund | 601K | $16.7M | 10.9% | 0.0% | Reduced | $-25.5M | Q1 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 402K | $11.2M | 7.3% | 0.0% | Reduced | $-8.3M | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 507K | $8.8M | 5.8% | 0.0% | New | — | Q4 2025 |
| Holocene Advisors, LP CIK 0001700574 | Hedge Fund | 149K | $4.1M | 2.7% | 0.0% | Added | +$228K | Q1 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 128K | $3.6M | 2.3% | 0.0% | New | — | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 124K | $3.4M | 2.2% | 0.0% | Reduced | $-1.9M | Q1 2026 |
| Bridgewater Associates, LP CIK 0001350694 | Hedge Fund | 107K | $3.0M | 1.9% | 0.0% | Reduced | $-8.7M | Q1 2026 |
| ExodusPoint Capital Management, LP CIK 0001736225 | Hedge Fund | 62K | $1.7M | 1.1% | 0.0% | Reduced | $-1.3M | Q1 2026 |
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 57K | $1.6M | 1.0% | 0.0% | Added | +$1.4M | Q1 2026 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 84K | $1.5M | 1.0% | 0.0% | New | — | Q4 2025 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 80K | $1.4M | 0.9% | 0.0% | New | — | Q3 2025 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 41K | $717K | 0.5% | 0.0% | New | — | Q4 2025 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 25K | $691K | 0.5% | 0.0% | Reduced | $-3.4M | Q1 2026 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 24K | $663K | 0.4% | 0.0% | Reduced | $-17.8M | Q1 2026 |
| GAMCO INVESTORS, INC. ET AL CIK 0000807249 | Institutional Manager | 9K | $259K | 0.2% | 0.0% | New | — | Q2 2025 |
| CAXTON ASSOCIATES LLP CIK 0002051323 | Hedge Fund | 11K | $185K | 0.1% | 0.0% | New | — | Q3 2025 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 5K | $134K | 0.1% | 0.0% | Added | +$133K | Q1 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 4K | $118K | 0.1% | 0.0% | Reduced | $-5.8M | Q1 2026 |
| Ancora Advisors, LLC CIK 0001446114 | Hedge Fund | 966 | $27K | 0.0% | 0.0% | Added | +$6K | Q1 2026 |
Added
Hedge Fund
$93.0M· 60.9% of total· 0.3% port· 3.35M sh· +$29.0M QoQ· Q1 2026
Reduced
Hedge Fund
$16.7M· 10.9% of total· 0.0% port· 601K sh· $-25.5M QoQ· Q1 2026
Reduced
Hedge Fund
$11.2M· 7.3% of total· 0.0% port· 402K sh· $-8.3M QoQ· Q1 2026
New
Hedge Fund
$8.8M· 5.8% of total· 0.0% port· 507K sh· — QoQ· Q4 2025
Added
Hedge Fund
$4.1M· 2.7% of total· 0.0% port· 149K sh· +$228K QoQ· Q1 2026
New
Hedge Fund
$3.6M· 2.3% of total· 0.0% port· 128K sh· — QoQ· Q1 2026
Reduced
Hedge Fund
$3.4M· 2.2% of total· 0.0% port· 124K sh· $-1.9M QoQ· Q1 2026
Reduced
Hedge Fund
$3.0M· 1.9% of total· 0.0% port· 107K sh· $-8.7M QoQ· Q1 2026
Reduced
Hedge Fund
$1.7M· 1.1% of total· 0.0% port· 62K sh· $-1.3M QoQ· Q1 2026
Added
Hedge Fund
$1.6M· 1.0% of total· 0.0% port· 57K sh· +$1.4M QoQ· Q1 2026
New
Hedge Fund
$1.5M· 1.0% of total· 0.0% port· 84K sh· — QoQ· Q4 2025
New
Hedge Fund
$1.4M· 0.9% of total· 0.0% port· 80K sh· — QoQ· Q3 2025
New
Hedge Fund
$717K· 0.5% of total· 0.0% port· 41K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$691K· 0.5% of total· 0.0% port· 25K sh· $-3.4M QoQ· Q1 2026
Reduced
Hedge Fund
$663K· 0.4% of total· 0.0% port· 24K sh· $-17.8M QoQ· Q1 2026
New
Institutional Manager
$259K· 0.2% of total· 0.0% port· 9K sh· — QoQ· Q2 2025
New
Hedge Fund
$185K· 0.1% of total· 0.0% port· 11K sh· — QoQ· Q3 2025
Added
Hedge Fund
$134K· 0.1% of total· 0.0% port· 5K sh· +$133K QoQ· Q1 2026
Reduced
Hedge Fund
$118K· 0.1% of total· 0.0% port· 4K sh· $-5.8M QoQ· Q1 2026
Added
Hedge Fund
$27K· 0.0% of total· 0.0% port· 966 sh· +$6K QoQ· Q1 2026