Iridium Communications
IRDM
382 hedge funds and large institutions have $2.5B invested in Iridium Communications in 2026 Q1 according to their latest regulatory filings, with 108 funds opening new positions, 123 increasing their positions, 102 reducing their positions, and 45 closing their positions.
189% more call options, than puts
Call options by funds: $30.4M | Put options by funds: $10.5M
140% more first-time investments, than exits
New positions opened: 108 | Existing positions closed: 45
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
53% more capital invested
Capital invested by funds: $1.63B → $2.5B (+$872M)
21% more repeat investments, than reductions
Existing positions increased: 123 | Existing positions reduced: 102
18% more funds holding
Funds holding: 325 → 382 (+57)
3.5% less ownership
Funds ownership: 89.54% → 86.03% (-3.5%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AQR Capital Management
Greenwich,
Connecticut
|
+$54.9M |
| 2 |
GAM
Gotham Asset Management
New York
|
+$23.5M |
| 3 |
PAM
Panagora Asset Management
Boston,
Massachusetts
|
+$11.9M |
| 4 |
American Century Companies
Kansas City,
Missouri
|
+$8.81M |
| 5 |
Schroder Investment Management Group
London,
United Kingdom
|
+$7.38M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Goldman Sachs
New York
|
-$31.4M |
| 2 |
AIM
ARK Investment Management
St. Petersburg,
Florida
|
-$25.3M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$24.2M |
| 4 |
Tudor Investment Corp
Stamford,
Connecticut
|
-$14.5M |
| 5 |
Voloridge Investment Management
Jupiter,
Florida
|
-$14.1M |
IRDM Hedge Fund Activity: Q1 2026 in Review
382 of the 8,187 institutional investors tracked by Wall St. Rank reported a position in Iridium Communications (IRDM) for Q1 2026, worth a combined $2.5B — up 53% from $1.63B a quarter earlier.
Buyers outnumbered sellers: 108 funds opened new IRDM positions and 45 closed out — a net gain of 63 holders — while 123 added to existing stakes and 102 trimmed.
The largest buyer was AQR Capital Management, adding an estimated $54.9M. The largest seller was Goldman Sachs, cutting an estimated $31.4M.
- 382 institutional investors held Iridium Communications (IRDM) as of Q1 2026, up from 325 in Q4 2025.
- Funds reported $2.5B of Iridium Communications stock for Q1 2026, up 53% quarter-over-quarter.
- 108 funds opened new Iridium Communications positions in Q1 2026 and 45 closed out, a net change of +63 holders.
- The largest Iridium Communications buyer in Q1 2026 was AQR Capital Management, an estimated $54.9M added.
- The largest Iridium Communications seller in Q1 2026 was Goldman Sachs, an estimated $31.4M sold.
Based on aggregated 13F filings for Q1 2026.