Iridium Communications
IRDM
485 hedge funds and large institutions have $5.01B invested in Iridium Communications in 2026 Q2 according to their latest regulatory filings, with 158 funds opening new positions, 153 increasing their positions, 126 reducing their positions, and 48 closing their positions.
229% more first-time investments, than exits
New positions opened: 158 | Existing positions closed: 48
216% more call options, than puts
Call options by funds: $96.7M | Put options by funds: $30.6M
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
27% more funds holding
Funds holding: 382 → 485 (+103)
21% more repeat investments, than reductions
Existing positions increased: 153 | Existing positions reduced: 126
18% more capital inflows, than outflows
Capital inflows: $730M | Capital outflows: $619M
0.42% more ownership
Funds ownership: 86.03% → 86.45% (+0.42%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AQR Capital Management
Greenwich,
Connecticut
|
+$168M |
| 2 |
American Century Companies
Kansas City,
Missouri
|
+$59.3M |
| 3 |
Pacer Advisors
Malvern,
Pennsylvania
|
+$54.6M |
| 4 |
Balyasny Asset Management
Chicago,
Illinois
|
+$36.1M |
| 5 |
VanEck Associates
New York
|
+$32.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SHCM
Silver Heights Capital Management
Toronto,
Ontario, Canada
|
-$80M |
| 2 |
Man Group
London,
United Kingdom
|
-$63.7M |
| 3 |
Barclays
London,
United Kingdom
|
-$38.8M |
| 4 |
Gotham Asset Management
New York
|
-$35.9M |
| 5 |
Vanguard Portfolio Management
Malvern,
Pennsylvania
|
-$27.8M |
IRDM Hedge Fund Activity: Q2 2026 in Review
485 of the 8,358 institutional investors tracked by Wall St. Rank reported a position in Iridium Communications (IRDM) for Q2 2026, worth a combined $5.01B — up 100% from $2.5B a quarter earlier.
Buyers outnumbered sellers: 158 funds opened new IRDM positions and 48 closed out — a net gain of 110 holders — while 153 added to existing stakes and 126 trimmed.
The largest buyer was AQR Capital Management, adding an estimated $168M. The largest seller was Silver Heights Capital Management, cutting an estimated $80M.
- 485 institutional investors held Iridium Communications (IRDM) as of Q2 2026, up from 382 in Q1 2026.
- Funds reported $5.01B of Iridium Communications stock for Q2 2026, up 100% quarter-over-quarter.
- 158 funds opened new Iridium Communications positions in Q2 2026 and 48 closed out, a net change of +110 holders.
- The largest Iridium Communications buyer in Q2 2026 was AQR Capital Management, an estimated $168M added.
- The largest Iridium Communications seller in Q2 2026 was Silver Heights Capital Management, an estimated $80M sold.
Based on aggregated 13F filings for Q2 2026.