Iridium Communications Ownership | Who Owns Iridium Communications?

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Iridium Communications Ownership Summary

Iridium Communications is owned by 69.97% institutional investors, 12.50% insiders, and 17.53% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 13.09% 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	69.97%	12.50%	17.53%
Sector	Communication Services Stocks	24.72%	16.64%	58.63%
Industry	Telecom Stocks	23.77%	14.05%	62.18%
Idea	Space Stocks List	39.15%	5.04%	55.82%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	13.89M	13.09%	$241.43M
Vanguard group	10.16M	9.57%	$176.53M
Blackrock	11.71M	9.51%	$311.67M
Silver heights capital management	5.19M	4.81%	$90.61M
State street	4.04M	3.74%	$70.47M
Ark investment management	2.85M	2.69%	$49.54M
American century companies	2.88M	2.67%	$50.27M
Goldman sachs group	2.32M	2.19%	$40.38M
Dimensional fund advisors lp	2.09M	1.97%	$36.38M
Man group	2.01M	1.87%	$35.13M

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
Carolina wealth advisors	196.13K	1.52%	$3.41M
Maxi investments cy	424.00K	1.34%	$7.37M
Archpoint investors	195.71K	0.94%	$3.42M
Rd finance	51.15K	0.90%	$889.00K
Sherbrooke park advisers	89.34K	0.73%	$1.56M
Ark investment management	2.85M	0.33%	$49.54M
Bayforest capital	19.14K	0.25%	$332.72K

Top Buyers

Holder	Shares	% Assets	Change
Blackrock funding, inc. /de	13.89M	0.00%	2.90M
Man group	2.01M	0.06%	1.40M
Norges bank	973.11K	0.00%	973.11K
Silver heights capital management	5.19M	40.63%	961.44K
Vanguard group	10.16M	0.00%	677.26K

Top Sellers

Holder	Shares	% Assets	Change
Bamco inc /ny/	682.93K	0.03%	-7.69M
Ark investment management	2.85M	0.33%	-3.64M
Nikko asset management americas	1.12M	0.22%	-3.20M
Sumitomo mitsui trust	1.17M	0.01%	-3.17M
Van berkom & associates	-	-	-2.86M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	973.11K	0.00%	973.11K	$28.24M
Maxi investments cy	424.00K	1.34%	424.00K	$7.37M
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 %
Dec 31, 2025	255	-24.33%	74,236,350	-26.84%	69	0.79%	128	-30.05%	84	-24.32%
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%

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
2026 Q1	-	-
2025 Q4	2	3
2025 Q3	-	-
2025 Q2	-	1
2025 Q1	-	4

IRDM Ownership FAQ

Who Owns Iridium Communications?

Iridium Communications shareholders are primarily institutional investors at 69.97%, followed by 12.50% insiders and 17.53% retail investors. The average institutional ownership in Iridium Communications's industry, Telecom Stocks , is 23.77%, which Iridium Communications exceeds.

Who owns the most shares of Iridium Communications?

Iridium Communications’s largest shareholders are Blackrock funding, inc. /de (13.89M shares, 13.09%), Vanguard group (10.16M shares, 9.57%), and Blackrock (11.71M shares, 9.51%). Together, they hold 32.17% 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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