Who Owns Iridium Communications Inc. (IRDM)?Hedge Fund & Institutional Holders

$24.79+0.01 (+0.04%)Communication ServicesNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$1.6700016252291264e+227T

% of Float Held

Infinity%

QoQ Change in Holders

+14 / -0

Price History

$15.84$20.27$24.70$29.14$33.57Aug 24Jun 25Mar 26

IRDM — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
Sumitomo Mitsui Trust Group, Inc.New Position+1.2M+$20.3M
Bank of New York Mellon CorpNew Position+1.2M+$17.0M
Penserra Capital Management LLCNew Position+853K+$14.0M
Defiance ETFs, LLCNew Position+565K+$9.9M
PRINCIPAL FINANCIAL GROUP INCNew Position+498K+$8.6M
Maxi Investments CY LtdNew Position+424K+$7.4M
VAN ECK ASSOCIATES CORPIncreased+442K+$6.7M
PUBLIC SECTOR PENSION INVESTMENT BOARDNew Position+363K+$6.0M
NORDEA INVESTMENT MANAGEMENT ABNew Position+268K+$4.6M
Point72 Asset Management, L.P.New Position+248K+$4.0M
Retirement Systems of AlabamaNew Position+151K+$2.6M
ALGERT GLOBAL LLCNew Position+169K+$2.0M
Redwood Investment Management, LLCNew Position+139K+$2.0M
ACADIAN ASSET MANAGEMENT LLCNew Position+170K+$2.0M
NEW YORK STATE TEACHERS RETIREMENT SYSTEMNew Position+114K+$2.0M

IRDM — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
ARK Investment Management LLCDecreased-3.6M-$113.3B
Amova Asset Management Americas, Inc.Decreased-3.2M-$75.2B
MILLENNIUM MANAGEMENT LLCDecreased-2.0M-$53.1B
DIMENSIONAL FUND ADVISORS LPDecreased-234K-$40.6B
Man Group plcDecreased-161K-$35.1B
MORGAN STANLEYDecreased-43K-$32.1B
Pacer Advisors, Inc.Decreased-303K-$30.4B
CITADEL ADVISORS LLCDecreased-510K-$28.8B
BANK OF AMERICA CORP /DE/Decreased-1.4M-$27.6B
UBS Group AGDecreased-95K-$23.9B
Select Equity Group, L.P.Decreased-226K-$18.5B
NORTHERN TRUST CORPDecreased-69K-$18.2B
SCHRODER INVESTMENT MANAGEMENT GROUPDecreased-38K-$17.1B
JUPITER ASSET MANAGEMENT LTDDecreased-42K-$14.8B
TWO SIGMA INVESTMENTS, LPDecreased-39K-$12.9B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1BlackRock, Inc.9,633,400$167.0M0.00%Share
2VANGUARD GROUP INC9,351,124$162.5M0.00%Share
3Silver Heights Capital Management Inc5,251,133$91.3M36.21%Share
4STATE STREET CORP4,761,749$82.0M0.00%Share
5AMERICAN CENTURY COMPANIES INC3,078,679$53.0M0.03%Share
6BlackRock, Inc.2,917,057$50.0M0.00%Share
7ARK Investment Management LLC2,850,606$49.5M0.33%Share
8Gotham Asset Management, LLC2,309,750$40.0M0.15%Share
9DIMENSIONAL FUND ADVISORS LP1,888,118$32.0M0.01%Share
10GEODE CAPITAL MANAGEMENT, LLC1,644,726$28.0M0.00%Share
11Man Group plc1,519,806$26.0M0.04%Share
12GOLDMAN SACHS GROUP INC1,513,253$26.0M0.00%Share
13Pacer Advisors, Inc.1,358,706$23.6M0.06%Share
14UBS Group AG1,250,547$21.7M0.00%Share
15Sumitomo Mitsui Trust Group, Inc.1,170,252$20.3M0.01%Share
16VAN ECK ASSOCIATES CORP1,204,302$20.0M0.02%Share
17CHARLES SCHWAB INVESTMENT MANAGEMENT INC1,206,189$20.0M0.00%Share
18ARROWSTREET CAPITAL, LIMITED PARTNERSHIP1,155,467$20.0M0.01%Share
19Amova Asset Management Americas, Inc.1,117,952$19.4M0.22%Share
20CITADEL ADVISORS LLC1,135,383$19.0M0.00%Share
21MILLENNIUM MANAGEMENT LLC1,037,281$18.0M0.01%Share
22BARCLAYS PLC980,552$17.0M0.00%Share
23SCHRODER INVESTMENT MANAGEMENT GROUP954,707$16.0M0.01%Share
24Invesco Ltd.891,498$15.5M0.00%Share
25Select Equity Group, L.P.835,881$14.5M0.06%Share
26JUPITER ASSET MANAGEMENT LTD808,392$14.0M0.11%Share
27GOLDMAN SACHS GROUP INC809,917$14.0M0.00%Share
28MORGAN STANLEY827,746$14.0M0.00%Share
29VOLORIDGE INVESTMENT MANAGEMENT, LLC812,037$14.0M0.05%Share
30Bank of New York Mellon Corp768,471$13.0M0.00%Share
31TWO SIGMA INVESTMENTS, LP700,544$12.0M0.02%Share
32TUDOR INVESTMENT CORP ET AL666,046$11.0M0.02%Share
33NORTHERN TRUST CORP666,818$11.0M0.00%Share
34VANGUARD GROUP INC628,012$10.9M0.00%Share
35PINNACLE ASSOCIATES LTD606,384$10.5M0.14%Share
36Defiance ETFs, LLC565,154$9.9M0.32%Share
37Trexquant Investment LP531,620$9.2M0.08%Share
38JPMORGAN CHASE & CO541,413$9.0M0.00%Share
39Penserra Capital Management LLC565,154$9.0M0.11%Share
40PRINCIPAL FINANCIAL GROUP INC494,710$8.6M0.00%Share
41AQR CAPITAL MANAGEMENT LLC475,300$8.0M0.00%Share
42MORGAN STANLEY464,747$8.0M0.00%Share
43Qube Research & Technologies Ltd506,601$8.0M0.01%Share
44Maxi Investments CY Ltd424,000$7.4M1.34%Share
45Mitsubishi UFJ Asset Management Co., Ltd.396,642$7.0M0.00%Share
46FIRST TRUST ADVISORS LP428,349$7.0M0.01%Share
47Nuveen, LLC413,895$7.0M0.00%Share
48Bridgewater Associates, LP419,838$7.0M0.03%Share
49FMR LLC455,878$7.0M0.00%Share
50PUBLIC SECTOR PENSION INVESTMENT BOARD362,500$6.0M0.02%Share

IRDM Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025319$1.5B+83
Q3 2025236$1.6T-52
Q2 2025288$2.6T-60
Q1 2025348$2.6T+29
Q4 2024319$6.3T+48
Q3 2024271$1376.0T+11
Q2 2024260$1014.6T+16
Q1 2024244$1011.1T—

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As of Q4 2025, 50 institutional investors hold IRDM (Iridium Communications Inc.). The largest holder is BlackRock, Inc. with $167.0M in shares. This quarter, 14 institutions opened new positions and 0 closed their positions.

Frequently Asked Questions

How many hedge funds own IRDM?

As of Q4 2025, 50 institutional investors report holding IRDM (Iridium Communications Inc.) in their 13F filings.

Who is the largest institutional holder of IRDM?

The largest institutional holder of IRDM is BlackRock, Inc. with $167.0M in shares.

Is institutional ownership of IRDM increasing or decreasing?

This quarter, 14 institutions opened new positions in IRDM and 0 closed their positions.