Iridium Communications Inc. - Common Stock (IRDM)

CUSIP: 46269C102

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Stock
Shares outstanding
105,059,260
Total 13F shares
93,784,026
Share change
-7,014,273
Total reported value
$1,630,522,674
Put/Call ratio
125%
Price per share
$17.38
Number of holders
324
Value change
-$121,727,138
Number of buys
161
Number of sells
172

Security key

46269C102

Report period

Q4 2025

Institutions

324

Top holders

10

Ownership snapshot

Top shareholders of IRDM - Iridium Communications Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with the largest verified stakes, then open the linked filing trail.

Lead holder
BlackRock, Inc.
13D/G signal
BlackRock, Inc.
Evidence rows
50
Latest as of
31 Dec 2025
13D/G 13F Lead comparable stake: 12% 13D/G row: BlackRock, Inc.
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13D/G 13F
Company
12%
$227,206,119
13,072,774 shares
+$45,208,925 31 Dec 2025
Silver Heights Capital Management Inc
13D/G 13F
Company
5%
$91,264,692
5,251,133 shares
$0 31 Dec 2025
ARK Investment Management LLC
13F 13D/G
Company
3.9%
from 13D/G
$113,317,286
6,490,108 shares
30 Sep 2025
BAMCO INC /NY/
13D/G 13F
Baron Capital Group, Inc. · Company
0.65%
$11,924,936
682,986 shares
-$134,353,321 30 Sep 2025
VANGUARD GROUP INC
13F
Company
13F
9%
$165,520,259
9,479,969 shares
30 Sep 2025
Sumitomo Mitsui Trust Group, Inc.
13F
Company
13F
4.1%
$75,840,478
4,343,670 shares
30 Sep 2025
Amova Asset Management Americas, Inc.
13F
Company
13F
4.1%
$75,263,246
4,313,080 shares
30 Sep 2025
STATE STREET CORP
13F
Company
13F
3.8%
$70,466,692
4,035,893 shares
30 Sep 2025
MILLENNIUM MANAGEMENT LLC
13F
Company
13F
2.9%
$53,073,703
3,039,731 shares
30 Sep 2025
AMERICAN CENTURY COMPANIES INC
13F
Company
13F
2.7%
$50,265,671
2,878,902 shares
30 Sep 2025
DIMENSIONAL FUND ADVISORS LP
13F
Company
13F
2.2%
$40,634,023
2,327,395 shares
30 Sep 2025
Man Group plc
13F
Company
13F
1.9%
$35,130,865
2,012,077 shares
30 Sep 2025
GOLDMAN SACHS GROUP INC
13F
Company
13F
1.8%
$33,423,107
1,914,267 shares
30 Sep 2025
MORGAN STANLEY
13F
Company
13F
1.7%
$32,095,513
1,838,230 shares
30 Sep 2025
Pacer Advisors, Inc.
13F
Company
13F
1.7%
$30,451,899
1,744,095 shares
30 Sep 2025
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
13F
1.6%
$29,758,004
1,703,977 shares
30 Sep 2025
CITADEL ADVISORS LLC
13F
Company
13F
1.6%
$28,806,258
1,649,843 shares
30 Sep 2025
BANK OF AMERICA CORP /DE/
13F
Company
13F
1.5%
$27,606,742
1,581,142 shares
30 Sep 2025
UBS Group AG
13F
Company
13F
1.3%
$23,894,481
1,368,527 shares
30 Sep 2025
Synergy Asset Management, LLC
13F
Company
13F
1.3%
$39,956,122
1,324,366 shares
30 Sep 2025
Bank of New York Mellon Corp
13F
Company
13F
1%
$18,717,042
1,071,996 shares
30 Sep 2025
Select Equity Group, L.P.
13F
Company
13F
1%
$18,532,969
1,061,453 shares
30 Sep 2025
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
13F
0.99%
$18,246,992
1,045,074 shares
30 Sep 2025
NORTHERN TRUST CORP
13F
Company
13F
0.99%
$18,220,715
1,043,569 shares
30 Sep 2025
SCHRODER INVESTMENT MANAGEMENT GROUP
13F
Company
13F
0.94%
$17,151,316
992,553 shares
30 Sep 2025
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
Company
13F
0.89%
$16,370,164
937,581 shares
30 Sep 2025
Invesco Ltd.
13F
Company
13F
0.84%
$15,493,113
887,349 shares
30 Sep 2025
JUPITER ASSET MANAGEMENT LTD
13F
Company
13F
0.81%
$14,841,629
850,036 shares
30 Sep 2025
Penserra Capital Management LLC
13F
Company
13F
0.74%
$13,558,000
776,576 shares
30 Sep 2025
VAN ECK ASSOCIATES CORP
13F
Company
13F
0.73%
$13,316,000
762,671 shares
30 Sep 2025
TWO SIGMA INVESTMENTS, LP
13F
Company
13F
0.7%
$12,913,241
739,590 shares
30 Sep 2025
ANCHOR CAPITAL MANAGEMENT COMPANY, LLC
13F
Company
13F
0.7%
$12,839,490
735,366 shares
30 Sep 2025
M&G Plc
13F
Company
13F
0.65%
$11,574,569
680,857 shares
30 Sep 2025
TUDOR INVESTMENT CORP ET AL
13F
Company
13F
0.63%
$11,539,908
660,934 shares
30 Sep 2025
JPMORGAN CHASE & CO
13F
Company
13F
0.58%
$10,696,171
612,610 shares
30 Sep 2025
PINNACLE ASSOCIATES LTD
13F
Company
13F
0.58%
$10,606,681
607,485 shares
30 Sep 2025
Trexquant Investment LP
13F
Company
13F
0.54%
$9,948,743
569,802 shares
30 Sep 2025
BARCLAYS PLC
13F
Company
13F
0.51%
$9,391,071
537,862 shares
30 Sep 2025
BROWN ADVISORY INC
13F
Company
13F
0.49%
$8,955,409
512,910 shares
30 Sep 2025
JANE STREET GROUP, LLC
13F
Company
13F
0.48%
$8,809,163
504,534 shares
30 Sep 2025
Qube Research & Technologies Ltd
13F
Company
13F
0.44%
$8,146,836
466,600 shares
30 Sep 2025
RAYMOND JAMES FINANCIAL INC
13F
Company
13F
0.41%
$7,543,614
432,051 shares
30 Sep 2025
FIRST TRUST ADVISORS LP
13F
Company
13F
0.39%
$7,241,081
414,724 shares
30 Sep 2025
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F
Company
13F
0.39%
$7,099,829
406,634 shares
30 Sep 2025
IQ EQ FUND MANAGEMENT (IRELAND) Ltd
13F
Company
13F
0.37%
$6,727,530
385,311 shares
30 Sep 2025
FMR LLC
13F
Company
13F
0.36%
$6,676,699
382,399 shares
30 Sep 2025
VOLORIDGE INVESTMENT MANAGEMENT, LLC
13F
Company
13F
0.36%
$6,640,090
380,303 shares
30 Sep 2025
Nuveen, LLC
13F
Company
13F
0.35%
$6,442,897
369,009 shares
30 Sep 2025
Y-Intercept (Hong Kong) Ltd
13F
Company
13F
0.33%
$6,027,646
345,226 shares
30 Sep 2025
Legal & General Group Plc
13F
Company
13F
0.31%
$5,652,306
323,729 shares
30 Sep 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
324
Shares
93,784,026
Rows loaded
324
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
320
Q4 2025 holders
324
Holder diff
4
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 Value $ Q4 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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