Iridium Communications Inc.

IRDMNASDAQ

$48.96+1.09 (+2.28%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Iridium Communications Inc. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+162.7%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	12.72%	$738M	0.01%	Not reported
AQR Capital Management LLC	6.48%	$374M	0.13%	Not reported
Vanguard Portfolio Management LLC	5.15%	$298M	0.01%	Not reported
American Century Companies Inc	4.59%	$266M	0.12%	Not reported
State Street Corp	4.48%	$260M	0.01%	Not reported
Vanguard Capital Management LLC	4.00%	$232M	0.01%	Not reported
Silver Heights Capital Management Inc	3.10%	$180M	55.43%	Reduce 36.35%
Gotham Asset Management, LLC	2.38%	$138M	0.32%	Reduce 25.03%
Dimensional Fund Advisors LP	2.23%	$129M	0.02%	Not reported
Van Eck Associates Corp	2.15%	$125M	0.08%	Add 50.92%
Pacer Advisors, Inc.	2.05%	$119M	0.30%	Add 143.52%
Geode Capital Management, LLC	1.93%	$112M	0.01%	Not reported
Morgan Stanley	1.44%	$83.2M	0.00%	Not reported
Charles Schwab Investment Management Inc	1.25%	$72.3M	0.01%	Not reported
ARK Investment Management LLC	1.15%	$66.6M	0.43%	Reduce 29.63%
Bank of New York Mellon Corp	1.08%	$62.8M	0.01%	Not reported
UBS Group AG	0.95%	$55.2M	0.01%	Not reported
Balyasny Asset Management L.P.	0.92%	$53.1M	0.07%	Not reported
Invesco Ltd.	0.86%	$49.8M	0.00%	Not reported
Northern Trust Corp	0.81%	$46.8M	0.01%	Not reported
Penserra Capital Management LLC	0.79%	$46M	0.35%	Not reported
JPMorgan Chase & Co	0.75%	$43.3M	0.00%	Not reported
Arrowstreet Capital, Limited Partnership	0.71%	$41.4M	0.02%	Not reported
Goldman Sachs Group Inc	0.69%	$39.9M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.62%	$36.1M	0.01%	Not reported
Schroder Investment Management Group	0.61%	$35M	0.02%	Reduce 49.96%
Renaissance Technologies LLC	0.58%	$33.4M	0.05%	Not reported
Sumitomo Mitsui Trust Group, Inc.	0.56%	$32.2M	0.02%	Reduce 25.84%
Amova Asset Management Americas, Inc.	0.52%	$30.2M	0.39%	Reduce 25.28%
Brown Advisory Inc	0.49%	$28.1M	0.04%	Not reported
Massachusetts Financial Services Co	0.48%	$28M	0.01%	New Not reported
Principal Financial Group Inc	0.48%	$27.9M	0.01%	Not reported
Nuveen, LLC	0.48%	$27.6M	0.01%	Not reported
FMR LLC	0.46%	$26.5M	0.00%	Not reported
Panagora Asset Management Inc	0.46%	$26.4M	0.08%	Not reported
Sculptor Capital LP	0.44%	$25.7M	0.21%	Not reported
First Trust Advisors LP	0.44%	$25.5M	0.02%	Add 32.23%
Man Group plc	0.39%	$22.8M	0.04%	Not reported
Public Sector Pension Investment Board	0.39%	$22.3M	0.06%	Add 8.48%
Russell Investments Group, Ltd.	0.38%	$22M	0.02%	Not reported
Jefferies Financial Group Inc.	0.37%	$21.7M	0.14%	New Not reported
Pinnacle Associates Ltd	0.37%	$21.6M	0.24%	Reduce 29.86%
Legal & General Group Plc	0.36%	$20.8M	0.00%	Not reported
Two Sigma Investments, LP	0.34%	$19.9M	0.01%	Not reported
Susquehanna International Group, LLP	0.34%	$19.8M	0.00%	Not reported
IMC-Chicago, LLC	0.34%	$19.4M	0.00%	New Not reported
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0.32%	$18.7M	0.00%	Not reported
Mitsubishi UFJ Asset Management Co., Ltd.	0.31%	$18M	0.01%	Reduce 39.10%
Jupiter Topco LLC	0.31%	$17.8M	0.01%	Not reported
Ieq Capital, LLC	0.29%	$17.1M	0.08%	Not reported

50 of 450 holders

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