Iridium Communications Ownership | Who Owns Iridium Communications?

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Iridium Communications Ownership Summary

Iridium Communications is owned by 94.05% institutional investors, 12.55% insiders. Blackrock funding, inc. /de is the largest institutional shareholder, holding 10.20% of IRDM shares. Baron Small Cap Growth Strategy is the top mutual fund, with 5.45% of its assets in Iridium Communications shares.

IRDM Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Iridium Communications	94.05%	12.55%	-6.60%
Sector	Communication Services Stocks	31.39%	16.65%	51.96%
Industry	Telecom Stocks	30.69%	13.56%	55.75%
Idea	Space Stocks List	47.70%	5.34%	46.97%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	11.00M	10.20%	$191.99M
Blackrock	11.71M	9.51%	$311.67M
Vanguard group	9.48M	8.79%	$165.52M
Ark investment management	6.49M	6.02%	$113.32B
Silver heights capital management	5.19M	4.81%	$90.61M
Sumitomo mitsui trust	4.34M	4.03%	$75.84M
Nikko asset management americas	4.31M	4.00%	$75.26M
State street	4.04M	3.74%	$70.47M
American century companies	2.88M	2.67%	$50.27M
Dimensional fund advisors lp	2.33M	2.16%	$40.63M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Silver heights capital management	5.19M	40.63%	$90.61M
Anchor capital management company	735.37K	11.05%	$12.84M
New century financial group	56.66K	1.76%	$989.34K
Robertson opportunity capital	287.35K	1.72%	$5.02M
Carolina wealth advisors	205.53K	1.55%	$3.59M
Synergy asset management	1.32M	1.45%	$39.96M
Archpoint investors	195.71K	0.94%	$3.42M
Nikko asset management americas	4.31M	0.73%	$75.26M
Sherbrooke park advisers	89.34K	0.73%	$1.56M
Ark investment management	6.49M	0.67%	$113.32B

Top Buyers

Holder	Shares	% Assets	Change
Goldman sachs group	1.91M	0.00%	1.79M
Man group	2.01M	0.06%	1.40M
Ark investment management	6.49M	0.67%	1.16M
Norges bank	973.11K	0.00%	973.11K
Silver heights capital management	5.19M	40.63%	961.44K

Top Sellers

Holder	Shares	% Assets	Change
Bamco inc /ny/	682.93K	0.03%	-7.69M
Van berkom & associates	-	-	-2.86M
Price t rowe associates inc /md/	105.23K	0.00%	-1.86M
Clearbridge investments	-	-	-1.32M
Arrowmark colorado	-	-	-1.30M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	973.11K	0.00%	973.11K	$28.24M
M&g	680.86K	0.06%	680.86K	$11.57M
Voloridge investment management	380.30K	0.02%	380.30K	$6.64M
Worldquant millennium advisors	170.75K	0.01%	170.75K	$2.98M
Pdt partners	90.23K	0.10%	90.23K	$1.58M

Sold Out

Holder	Change
True wealth design	-1.00
Highmark wealth management	-1.00
Stephens consulting	-1.00
Tfo-tdc	-6.00
Claris advisors, llc / mo /	-6.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	325	-2.40%	101,399,556	4.28%	94	1.16%	178	14.10%	107	-22.46%
Jun 30, 2025	336	-6.93%	101,314,687	-1.83%	93	1.06%	154	-19.37%	142	20.34%
Mar 31, 2025	357	-0.56%	103,079,517	2.95%	93	1.32%	187	3.89%	118	-4.84%
Dec 31, 2024	330	-9.34%	94,312,655	-2.35%	80	1.19%	167	0.60%	112	-15.15%
Sep 30, 2024	360	0.56%	96,277,538	-4.90%	81	1.16%	166	-4.05%	129	2.38%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Baron Small Cap Growth Strategy	5.90M	5.45%	-100.00K
Baron Growth Retail	5.90M	5.45%	-100.00K
iShares Core S&P Mid-Cap ETF	3.52M	3.32%	-
Vanguard US Total Market Shares ETF	3.30M	3.03%	-174.89K
Van Berkom Sm-Cap Eq	3.40M	2.87%	-686.20K
Vanguard Total Stock Mkt Idx Inv	2.93M	2.76%	-62.42K
ARK Innovation ETF	2.73M	2.57%	-41.79K
Avantis US Small Cap Value ETF	2.39M	2.25%	4.73K
ARK Disruptive Innovation Full Composite	2.26M	2.13%	198.80K
Vanguard Small Cap Index	2.23M	2.10%	-16.11K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Oct 31, 2025	FITZPATRICK THOMAS	-	Sell	$375.10K
Oct 30, 2025	DESCH MATTHEW J	CHIEF EXECUTIVE OFFICER	Buy	$346.60K
Oct 28, 2025	FITZPATRICK THOMAS	-	Sell	$122.35K
Oct 27, 2025	FITZPATRICK THOMAS	-	Sell	$59.96K
Oct 28, 2025	NIEHAUS ROBERT H	-	Buy	$524.70K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	2	3
2025 Q3	-	-
2025 Q2	-	1
2025 Q1	-	4
2024 Q4	-	2

IRDM Ownership FAQ

Who Owns Iridium Communications?

Iridium Communications shareholders are primarily institutional investors at 94.05%, followed by 12.55% insiders and -6.60% retail investors. The average institutional ownership in Iridium Communications's industry, Telecom Stocks , is 30.69%, which Iridium Communications exceeds.

Who owns the most shares of Iridium Communications?

Iridium Communications’s largest shareholders are Blackrock funding, inc. /de (11M shares, 10.20%), Blackrock (11.71M shares, 9.51%), and Vanguard group (9.48M shares, 8.79%). Together, they hold 28.50% of Iridium Communications’s total shares outstanding.

Does Blackrock own Iridium Communications?

Yes, BlackRock owns 9.51% of Iridium Communications, totaling 11.71M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 311.67M$. In the last quarter, BlackRock increased its holdings by 34.71K shares, a 0.30% change.

Who is Iridium Communications’s biggest shareholder by percentage of total assets invested?

Silver heights capital management is Iridium Communications’s biggest shareholder by percentage of total assets invested, with 40.63% of its assets in 5.19M Iridium Communications shares, valued at 90.61M$.

Who is the top mutual fund holder of Iridium Communications shares?

Baron Small Cap Growth Strategy is the top mutual fund holder of Iridium Communications shares, with 5.45% of its total shares outstanding invested in 5.9M Iridium Communications shares.

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