Iridium Communications Inc. - Common Stock, par value $0.001 per share (IRDM)

Q: What does CUSIP 46269C102 represent in this 13F holders report?

CUSIP 46269C102 is the security identifier for IRDM - Iridium Communications Inc. - Common Stock, par value $0.001 per share used to aggregate holder disclosures.

Q: How many institutions held IRDM - Iridium Communications Inc. - Common Stock, par value $0.001 per share in Q1 2018?

193 institutional investors reported IRDM - Iridium Communications Inc. - Common Stock, par value $0.001 per share for Q1 2018. Use the holders table for investor-level position and value details.

CUSIP: 46269C102

Q1 2018 13F Holders as of 31 Mar 2018

Type / Class: Equity / Common Stock, par value $0.001 per share
Shares outstanding: 104,931,794
Total 13F shares: 101,347,086
Share change: -34,874
Total reported value: $1,141,950,724
Put/Call ratio: 889%
Price per share: $11.25
Number of holders: 193
Value change: -$749,165
Number of buys: 78
Number of sells: 86

Quarterly Holders Quick Answers

What is CUSIP 46269C102?
CUSIP 46269C102 identifies IRDM - Iridium Communications Inc. - Common Stock, par value $0.001 per share in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2018
Previous quarter: Q4 2017

Recent filing periods for CUSIP 46269C102:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of IRDM - Iridium Communications Inc. - Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock Finance, Inc.	13F	Company	12%	12,248,638	$144,533,000	—	31 Dec 2017	13F
BAMCO INC /NY/	13F	Company	8.9%	9,334,151	$137,098,000	—	31 Dec 2017	13F
VANGUARD GROUP INC	13F	Company	9.5%	9,989,392	$117,874,000	—	31 Dec 2017	13F
Capital World Investors	13F	Company	6.9%	7,252,388	$85,578,000	—	31 Dec 2017	13F
Van Berkom & Associates Inc.	13F	Company	4.9%	5,104,064	$60,228,000	—	31 Dec 2017	13F
FMR LLC	13F	Company	4.1%	4,303,938	$50,786,000	—	31 Dec 2017	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	3.8%	3,967,104	$46,812,000	—	31 Dec 2017	13F
PKO Investment Management Joint-Stock Co	13F	Company	3.1%	3,235,470	$38,178,545	—	31 Dec 2017	13F
GLENMEDE TRUST CO NA	13F	Company	3%	3,134,116	$36,981,000	—	31 Dec 2017	13F
Invesco Ltd.	13F	Company	2.8%	2,976,430	$35,122,000	—	31 Dec 2017	13F
Silver Heights Capital Management Inc	13F	Company	2.8%	2,966,450	$35,004,000	—	31 Dec 2017	13F
PINNACLE ASSOCIATES LTD	13F	Company	2.7%	2,841,953	$33,535,000	—	31 Dec 2017	13F
LSV ASSET MANAGEMENT	13F	Company	2.3%	2,368,460	$27,947,000	—	31 Dec 2017	13F
NORTHERN TRUST CORP	13F	Company	2.1%	2,238,994	$26,420,000	—	31 Dec 2017	13F
STATE STREET CORP	13F	Company	2%	2,086,205	$24,617,000	—	31 Dec 2017	13F
Bank of New York Mellon Corp	13F	Company	1.8%	1,909,329	$22,529,000	—	31 Dec 2017	13F
PRUDENTIAL FINANCIAL INC	13F	Company	1.2%	1,263,609	$14,911,000	—	31 Dec 2017	13F
ROYCE & ASSOCIATES LP	13F	Company	1.1%	1,181,843	$13,946,000	—	31 Dec 2017	13F
MORGAN STANLEY	13F	Company	1%	1,069,442	$12,620,000	—	31 Dec 2017	13F
Elk Creek Partners, LLC	13F	Company	1%	1,047,784	$12,364,000	—	31 Dec 2017	13F
CANADA LIFE ASSURANCE Co	13F	Company	0.98%	1,028,059	$12,115,000	—	31 Dec 2017	13F
ArrowMark Colorado Holdings LLC	13F	Company	0.89%	935,515	$11,039,000	—	31 Dec 2017	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	0.75%	783,450	$9,245,000	—	31 Dec 2017	13F
FRANKLIN RESOURCES INC	13F	Company	0.74%	771,883	$9,108,000	—	31 Dec 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.73%	767,169	$9,052,000	—	31 Dec 2017	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.65%	685,087	$8,084,000	—	31 Dec 2017	13F
GAMCO INVESTORS, INC. ET AL	13F	Company	0.62%	648,151	$7,648,000	—	31 Dec 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.57%	594,113	$7,011,000	—	31 Dec 2017	13F
BLAIR WILLIAM & CO/IL	13F	Company	0.52%	549,095	$6,479,000	—	31 Dec 2017	13F
Raymond James Financial Services Advisors, Inc.	13F	Company	0.52%	546,537	$6,449,000	—	31 Dec 2017	13F
RAYMOND JAMES & ASSOCIATES	13F	Company	0.51%	536,660	$6,333,000	—	31 Dec 2017	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.5%	524,662	$6,192,000	—	31 Dec 2017	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.48%	501,141	$5,913,000	—	31 Dec 2017	13F
BROWN ADVISORY INC	13F	Company	0.44%	460,463	$5,433,000	—	31 Dec 2017	13F
D. E. Shaw & Co., Inc.	13F	Company	0.42%	438,357	$5,173,000	—	31 Dec 2017	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.41%	429,300	$5,066,000	—	31 Dec 2017	13F
WealthTrust Axiom LLC	13F	Company	0.41%	425,304	$5,018,000	—	31 Dec 2017	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.4%	423,157	$4,994,000	—	31 Dec 2017	13F
DEUTSCHE BANK AG\	13F	Company	0.34%	360,673	$4,253,000	—	31 Dec 2017	13F
Brandywine Global Investment Management, LLC	13F	Company	0.33%	350,976	$4,142,000	—	31 Dec 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.33%	343,830	$4,056,000	—	31 Dec 2017	13F
David M. Knott	13F	Individual	0.32%	338,000	$3,988,000	—	31 Dec 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.3%	313,433	$3,699,000	—	31 Dec 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.28%	289,441	$3,415,000	—	31 Dec 2017	13F
JAMES INVESTMENT RESEARCH, INC.	13F	Company	0.27%	279,660	$3,300,000	—	31 Dec 2017	13F
GABELLI FUNDS LLC	13F	Company	0.26%	268,000	$3,162,000	—	31 Dec 2017	13F
EAGLE ASSET MANAGEMENT INC	13F	Company	0.24%	249,636	$2,946,000	—	31 Dec 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.24%	247,799	$2,924,000	—	31 Dec 2017	13F
FIRST TRUST ADVISORS LP	13F	Company	0.21%	221,699	$2,616,000	—	31 Dec 2017	13F
Clearbridge Investments, LLC	13F	Company	0.21%	221,238	$2,611,000	—	31 Dec 2017	13F

Institutional Holders of Iridium Communications Inc. - Common Stock, par value $0.001 per share (IRDM) as of Q1 2018

As of 31 Mar 2018, Iridium Communications Inc. - Common Stock, par value $0.001 per share (IRDM) was held by 193 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 101,347,086 shares. The largest 10 holders included BlackRock Inc., VANGUARD GROUP INC, BAMCO INC /NY/, Capital World Investors, Van Berkom & Associates Inc., FMR LLC, DIMENSIONAL FUND ADVISORS LP, PKO Investment Management Joint-Stock Co, GLENMEDE TRUST CO NA, and Silver Heights Capital Management Inc. This page lists 193 institutional shareholders reporting positions in this security for the Q1 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2018 vs Q4 2017 Across Filers

Q4 2017 holders

192

Q1 2018 holders

193

Holder diff

Investor	Q4 2017 Shares	Q1 2018 Shares	Share Diff	Share Chg %	Q4 2017 Value $	Q1 2018 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.