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Iridium Communications
IRDM

379 hedge funds and large institutions have $2.5B invested in Iridium Communications in 2026 Q1 according to their latest regulatory filings, with 105 funds opening new positions, 123 increasing their positions, 102 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed

189% more call options, than puts

Call options by funds: $30.4M | Put options by funds: $10.5M

139% more first-time investments, than exits

New positions opened: 105 | Existing positions closed: 44

100% more funds holding in top 10

Funds holding in top 10: 1 → 2 (+1)

53% more capital invested

Capital invested by funds: $1.63B → $2.5B (+$871M)

21% more repeat investments, than reductions

Existing positions increased: 123 | Existing positions reduced: 102

17% more funds holding

Funds holding: 325 → 379 (+54)

3.54% less ownership

Funds ownership: 89.54% → 86% (-3.5%)

Holders
379
Holders Change
+54
Holders Change %
+16.62%
% of All Funds
4.66%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.02%
New
105
Increased
123
Reduced
102
Closed
44
Calls
$30.4M
Puts
$10.5M
Net Calls
+$19.9M
Net Calls Change
+$17.2M

Top Buyers

1
AQR Capital Management
AQR Capital Management
Connecticut
+$54.9M
2
GAM
Gotham Asset Management
New York
+$23.5M
3
PAM
Panagora Asset Management
Massachusetts
+$11.9M
4
American Century Companies
American Century Companies
Missouri
+$8.81M
5
Schroder Investment Management Group
Schroder Investment Management Group
United Kingdom
+$7.38M

Top Sellers

1
Goldman Sachs
Goldman Sachs
New York
-$31.4M
2
AIM
ARK Investment Management
Florida
-$25.3M
3
Citadel Advisors
Citadel Advisors
Florida
-$24.2M
4
Tudor Investment Corp
Tudor Investment Corp
Connecticut
-$14.5M
5
Voloridge Investment Management
Voloridge Investment Management
Florida
-$14.1M
Name Holding Trade Value Shares
Change 		Change in
Stake
MSRPS
176
Maryland State Retirement & Pension System
Maryland
$570K +$2.84K +126 +0.6%
GLF
177
Groupe la Francaise
France
$567K +$460K +20,438 New
AI
178
AdvisorShares Investments
Maryland
$563K -$180K -8,000 -28%
Toronto Dominion Bank
179
Toronto Dominion Bank
Ontario, Canada
$561K +$72K +3,199 +19%
CCM
180
Corsair Capital Management
New York
$555K +$450K +20,000 New
AA
181
ALPS Advisors
Colorado
$553K +$448K +19,920 New
WA
182
WealthTrust Axiom
Pennsylvania
$552K -$464K -20,609 -51%
CAM
183
Cresset Asset Management
Illinois
$547K – – –
BFM
184
Boothbay Fund Management
New York
$542K +$440K +19,555 New
MP
185
McDonald Partners
Ohio
$542K +$43.3K +1,925 +11%
CW
186
CreativeOne Wealth
Kansas
$530K +$37.7K +1,676 +10%
CAPTRUST Financial Advisors
187
CAPTRUST Financial Advisors
North Carolina
$520K +$422K +18,740 New
Manulife (Manufacturers Life Insurance)
188
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$510K +$21.5K +957 +5%
Cambridge Investment Research Advisors
189
Cambridge Investment Research Advisors
Iowa
$500K +$406K +18,042 New
LTI
190
Laffer Tengler Investments
Tennessee
$469K -$53K -2,356 -12%
Bank of Montreal
191
Bank of Montreal
Ontario, Canada
$431K -$3.24K -144 -0.9%
M&T Bank
192
M&T Bank
New York
$427K +$77.9K +3,462 +29%
OC
193
Oppenheimer & Co
New York
$424K +$344K +15,297 New
N
194
Numerai
California
$424K -$755K -33,547 -69%
Nomura Holdings
195
Nomura Holdings
Japan
$416K +$338K +15,000 New
KF
196
Krilogy Financial
Missouri
$416K +$216K +9,575 New
Pictet Asset Management
197
Pictet Asset Management
Switzerland
$415K +$17K +753 +5%
MFG
198
Merit Financial Group
Georgia
$388K +$315K +13,988 New
MG
199
Marex Group
$387K -$176K -7,821 -36%
ETC
200
Exchange Traded Concepts
Oklahoma
$385K +$313K +13,891 New
6 7
8
9 10

IRDM Hedge Fund Activity: Q1 2026 in Review

379 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Iridium Communications (IRDM) for Q1 2026, worth a combined $2.5B — up 53% from $1.63B a quarter earlier.

Buyers outnumbered sellers: 105 funds opened new IRDM positions and 44 closed out — a net gain of 61 holders — while 123 added to existing stakes and 102 trimmed.

The largest buyer was AQR Capital Management, adding an estimated $54.9M. The largest seller was Goldman Sachs, cutting an estimated $31.4M.

  • 379 institutional investors held Iridium Communications (IRDM) as of Q1 2026, up from 325 in Q4 2025.
  • Funds reported $2.5B of Iridium Communications stock for Q1 2026, up 53% quarter-over-quarter.
  • 105 funds opened new Iridium Communications positions in Q1 2026 and 44 closed out, a net change of +61 holders.
  • The largest Iridium Communications buyer in Q1 2026 was AQR Capital Management, an estimated $54.9M added.
  • The largest Iridium Communications seller in Q1 2026 was Goldman Sachs, an estimated $31.4M sold.

Based on aggregated 13F filings for Q1 2026.