Who Owns IRDM?
Iridium Communications Inc. — Institutional Ownership & 13F Holdings
$37.74
+0.39 (+1.04%)
Market Cap
$4.1B
Shares Outstanding
105,727,743
Institutional Holders
348
Total Inst. Value
$2.3B
% of Float Held
112.6%
QoQ Holder Change
+105
Institutional data as of Q1 2025
New Positions
77
Closed Positions
46
Increased
124
Decreased
113
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | BlackRock, Inc. | $314.8M | 11,522,163 |
| 2 | VANGUARD GROUP INC | $268.8M | 9,837,714 |
| 3 | BAMCO INC /NY/ | $253.3M | 9,271,284 |
| 4 | STATE STREET CORP | $121.7M | 4,455,603 |
| 5 | Sumitomo Mitsui Trust Group, Inc. | $106.4M | 3,893,145 |
| 6 | Silver Heights Capital Management Inc | $101.8M | 3,726,863 |
| 7 | Van Berkom & Associates Inc. | $78.8M | 2,885,345 |
| 8 | DIMENSIONAL FUND ADVISORS LP | $68.7M | 2,516,469 |
| 9 | AMERICAN CENTURY COMPANIES INC | $60.1M | 2,198,343 |
| 10 | MORGAN STANLEY | $59.8M | 2,188,488 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| STATE STREET CORP | +72K | $121.7M |
| Sumitomo Mitsui Trust Group, Inc. | +1.1M | $106.4M |
| Silver Heights Capital Management Inc | +11K | $101.8M |
| DIMENSIONAL FUND ADVISORS LP | +454K | $68.7M |
| AMERICAN CENTURY COMPANIES INC | +463K | $60.1M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| VICTORY CAPITAL MANAGEMENT INC | -1.6M | $928K |
| BAMCO INC /NY/ | -1.5M | $253.3M |
| BlackRock, Inc. | -1.2M | $314.8M |
| VANGUARD GROUP INC | -974K | $268.8M |
| AQR CAPITAL MANAGEMENT LLC | -530K | $38K |
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Frequently Asked Questions
How many institutional investors hold IRDM?
As of Q1 2025, 348 institutional investors report holding IRDM (Iridium Communications Inc.) in their 13F filings.
What percentage of Iridium Communications Inc. is owned by institutions?
Institutional investors hold approximately 112.6% of Iridium Communications Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most IRDM?
The largest institutional holder of IRDM is BlackRock, Inc. with $314.8M in shares.
Are institutions buying or selling IRDM?
This quarter, 77 institutions opened new positions in IRDM and 46 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.