13F reference period
Q2 2026
Security Snapshot
Iridium Communications Inc. - Common Stock, $0.001 par value (IRDM) Institutional Ownership
CUSIP: 46269C102
13F Institutional Holders and Ownership History from Q1 2014 to Q3 2026
Institutions Reporting
483
Shares (Excl. Options)
91,422,045
Price
$54.85
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.
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- Security type / class
- Equity / Common Stock, $0.001 par value
- Symbol
- IRDM on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 91,422,045
- Total 13F value
- $5,010,177,574
- Portfolio coverage rank
- 0.01%
- Share change
- +1,269,733
- Value change
- +$152,729,810
- Number of holders
- 483
- Shares outstanding
- 105,752,773
- SEC-reported price per share
- $47.90
- Insider filing price
- $47.90
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source
Key facts
- IRDM - Iridium Communications Inc. - Common Stock, $0.001 par value is tracked under CUSIP 46269C102.
- 483 institutions reported positions in Q2 2026.
- 7 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 378 to 483 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $2,501,690,938 to $5,010,177,574.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 483 institutions filings for Q2 2026.
Security key
46269C102
13F reference period
Q2 2026
13F holders
483
13D/G owners
7
CIK / CUSIP context first
Open Q2 2026 holders
IRDM full holder history
Iridium Communications Inc. SEC filings
Iridium Communications Inc. company facts
Iridium Communications Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 46269C102:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
7
Security
IRDM
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 12% | +29% | $227,206,119 | +$45,208,925 | 13,072,774 | +25% | BlackRock, Inc. | 31 Dec 2025 |
| Baralonco Ltd | 9.4% | -0.9% | $537,500,000 | 10,000,000 | 0% | Baralonco Limited | 31 Jul 2026 | |
| AQR CAPITAL MANAGEMENT LLC | 6.6% | $375,157,961 | 6,979,683 | AQR Capital Management, LLC | 30 Jun 2026 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.8% | $169,323,379 | 6,103,943 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| ARK Investment Management LLC | 3.9% | -36% | $68,710,210 | -$39,609,693 | 4,116,849 | -37% | ARK Investment Management LLC | 30 Nov 2025 |
| Silver Heights Capital Management Inc | 3.1% | -38% | $176,028,401 | -$106,219,998 | 3,274,947 | -38% | Silver Heights Capital Management Inc | 30 Jun 2026 |
| BAMCO INC /NY/ | 0.65% | -89% | $11,924,936 | -$134,353,321 | 682,986 | -92% | Baron Capital Group, Inc. | 30 Sep 2025 |
As of 30 Jun 2026, 483 institutional investors reported holding 91,422,045 shares of Iridium Communications Inc. - Common Stock, $0.001 par value (IRDM). This represents 86% of the company’s total 105,752,773 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
63%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 13% | 13,447,338 | -3.5% | 0.01% | $737,586,517 |
| AQR CAPITAL MANAGEMENT LLC | 6.5% | 6,847,072 | +135% | 0.13% | $374,329,428 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.1% | 5,440,399 | -11% | 0.01% | $298,405,885 |
| AMERICAN CENTURY COMPANIES INC | 4.6% | 4,856,440 | +40% | 0.12% | $266,375,756 |
| STATE STREET CORP | 4.5% | 4,733,714 | -6.3% | 0.01% | $259,644,213 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4% | 4,232,161 | +2.9% | 0% | $232,134,031 |
| Silver Heights Capital Management Inc | 3.1% | 3,274,947 | -36% | 55% | $179,630,843 |
| Gotham Asset Management, LLC | 2.4% | 2,514,317 | -25% | 0.32% | $137,910,287 |
| DIMENSIONAL FUND ADVISORS LP | 2.2% | 2,357,845 | +9.2% | 0.02% | $129,325,372 |
| VAN ECK ASSOCIATES CORP | 2.1% | 2,270,799 | +51% | 0.08% | $124,553,325 |
| Pacer Advisors, Inc. | 2.1% | 2,168,271 | +144% | 0.31% | $118,930,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.9% | 2,044,823 | +1.9% | 0.01% | $112,185,904 |
| MORGAN STANLEY | 1.4% | 1,517,404 | -4.2% | 0% | $83,229,698 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2% | 1,317,782 | -3.5% | 0.01% | $72,280,343 |
| ARK Investment Management LLC | 1.1% | 1,215,113 | -30% | 0.43% | $66,648,948 |
| Bank of New York Mellon Corp | 1.1% | 1,144,055 | -0.56% | 0.01% | $62,751,442 |
| UBS Group AG | 0.95% | 1,005,602 | -22% | 0.01% | $55,157,270 |
| Balyasny Asset Management L.P. | 0.91% | 967,572 | +683% | 0.1% | $53,071,324 |
| Invesco Ltd. | 0.86% | 908,134 | -8.1% | 0% | $49,811,150 |
| NORTHERN TRUST CORP | 0.81% | 854,112 | -1.1% | 0.01% | $46,848,043 |
| Penserra Capital Management LLC | 0.79% | 838,592 | +11% | 0.35% | $45,996,000 |
| JPMORGAN CHASE & CO | 0.75% | 789,191 | +11% | 0% | $43,323,552 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 0.71% | 754,424 | -31% | 0.02% | $41,380,156 |
| GOLDMAN SACHS GROUP INC | 0.69% | 726,762 | -22% | 0% | $39,862,882 |
| VANGUARD FIDUCIARY TRUST CO | 0.62% | 657,958 | +3.3% | 0.01% | $36,088,996 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
51
Headline period
Q2 2026
Rows shown
1-25 of 51
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q3 | 1,569,486 | $75,147,323 | -$36,228,272 | $47.90 | 87 |
| 2026 Q2 | 91,422,045 | $5,010,177,574 | +$152,729,810 | $54.85 | 483 |
| 2026 Q1 | 90,279,884 | $2,501,690,938 | -$70,256,235 | $27.74 | 378 |
| 2025 Q4 | 93,784,190 | $1,630,525,524 | -$121,727,138 | $17.38 | 325 |
| 2025 Q3 | 100,148,939 | $1,748,851,618 | -$101,287,829 | $17.46 | 320 |
| 2025 Q2 | 101,583,259 | $3,064,832,693 | -$36,316,985 | $30.17 | 327 |
| 2025 Q1 | 103,241,450 | $2,820,301,419 | +$75,305,788 | $27.32 | 347 |
| 2024 Q4 | 100,200,764 | $2,908,022,962 | +$52,351,017 | $29.02 | 347 |
| 2024 Q3 | 97,432,209 | $2,967,783,084 | -$81,611,819 | $30.45 | 349 |
| 2024 Q2 | 101,329,509 | $2,697,447,834 | -$56,691,349 | $26.62 | 342 |
| 2024 Q1 | 103,348,438 | $2,704,515,964 | -$119,322,775 | $26.16 | 324 |
| 2023 Q4 | 103,205,853 | $4,247,740,866 | -$460,732 | $41.16 | 340 |
| 2023 Q3 | 101,964,207 | $4,638,610,036 | -$102,595,198 | $45.49 | 355 |
| 2023 Q2 | 103,022,157 | $6,399,379,438 | -$154,978,884 | $62.12 | 386 |
| 2023 Q1 | 105,571,361 | $6,537,223,591 | +$92,687,558 | $61.93 | 363 |
| 2022 Q4 | 104,741,649 | $5,384,780,367 | -$112,566,066 | $51.40 | 357 |
| 2022 Q3 | 107,098,158 | $4,751,139,964 | -$97,843,227 | $44.37 | 322 |
| 2022 Q2 | 109,052,661 | $4,094,200,810 | +$2,258,085 | $37.56 | 299 |
| 2022 Q1 | 109,628,926 | $4,416,065,614 | -$230,001,568 | $40.32 | 303 |
| 2021 Q4 | 115,467,289 | $4,756,559,180 | +$39,833,282 | $41.29 | 302 |
| 2021 Q3 | 114,316,694 | $4,555,683,260 | +$48,265,659 | $39.85 | 300 |
| 2021 Q2 | 113,043,098 | $4,520,682,821 | +$175,671,528 | $39.99 | 271 |
| 2021 Q1 | 108,779,424 | $4,479,864,642 | -$174,605,446 | $41.25 | 295 |
| 2020 Q4 | 112,949,087 | $4,436,586,915 | +$94,399,900 | $39.32 | 262 |
| 2020 Q3 | 111,118,123 | $2,841,967,822 | -$23,482,072 | $25.58 | 244 |