Citigroup
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Citigroup’s Iridium Communications IRDM Stock Holding History

Citigroup’s Portfolio IRDM Stock Details IRDM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2021
Q1 		– Sell
-1,900
Closed -$75K – 6820
2020
Q4 		$75K Sell
1,900
-1,200
-39% -$37.7K ﹤0.01% 5762
2020
Q3 		$79K Sell
3,100
-500
-14% -$13.8K ﹤0.01% 5281
2020
Q2 		$92K Sell
3,600
-400
-10% -$9.38K ﹤0.01% 5646
2020
Q1 		$89K Sell
4,000
-3,900
-49% -$101K ﹤0.01% 5442
2019
Q4 		$195K Buy
7,900
+2,500
+46% +$59.9K ﹤0.01% 5205
2019
Q3 		$115K Sell
5,400
-1,600
-23% -$38.1K ﹤0.01% 5566
2019
Q2 		$163K Sell
7,000
-600
-8% -$14.9K ﹤0.01% 5437
2019
Q1 		$201K Buy
7,600
+800
+12% +$17.2K ﹤0.01% 5094
2018
Q4 		$125K Buy
6,800
+5,800
+580% +$119K ﹤0.01% 5465
2018
Q3 		$23K Buy
+1,000
New +$19.4K ﹤0.01% 7012

Other funds holding IRDM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
SHCM
Silver Heights Capital Management Toronto, Ontario, Canada $324M AUM 55.4% 1-Year Est. Return
GAM
Gotham Asset Management New York $43B AUM 34.97% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

Citigroup's IRDM Position: Q2 2026 in Review

Citigroup increased its Iridium Communications (IRDM) stake by 44% in Q2 2026, buying an estimated $2.13M and bringing the position to 163,745 shares worth $8.98M. The position accounts for ﹤0.01% of the portfolio, ranked #1699.

Citigroup first reported a position in IRDM in Q2 2013 and has held it in 53 quarters since. 483 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

  • Citigroup held 163,745 shares of Iridium Communications worth $8.98M as of Q2 2026.
  • Citigroup bought 49,724 Iridium Communications shares in Q2 2026, an estimated $2.13M.
  • Iridium Communications made up ﹤0.01% of Citigroup's portfolio in Q2 2026, its #1699 holding.
  • Citigroup first reported a position in Iridium Communications in Q2 2013 and has held it in 53 quarters since.
  • 483 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on Citigroup's 13F filing for Q2 2026, filed 3 Aug 2026.