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 New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

SHCM

Silver Heights Capital Management Toronto, Ontario, Canada $260M AUM 6.93% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

GAM

Gotham Asset Management New York $32.7B AUM 27.65% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Citigroup's IRDM Position: Q1 2026 in Review

Citigroup increased its Iridium Communications (IRDM) stake by 28% in Q1 2026, buying an estimated $555K and bringing the position to 114,021 shares worth $3.16M. The position accounts for ﹤0.01% of the portfolio, ranked #2327.

Citigroup first reported a position in IRDM in Q2 2013 and has held it in 52 quarters since. The position peaked at $5.43M in Q3 2025. 380 funds tracked by Wall St. Rank hold IRDM as of Q1 2026.

Citigroup held 114,021 shares of Iridium Communications worth $3.16M as of Q1 2026.
Citigroup bought 24,637 Iridium Communications shares in Q1 2026, an estimated $555K.
Iridium Communications made up ﹤0.01% of Citigroup's portfolio in Q1 2026, its #2327 holding.
Citigroup first reported a position in Iridium Communications in Q2 2013 and has held it in 52 quarters since.
Citigroup's Iridium Communications position peaked at $5.43M in Q3 2025.
380 funds tracked by Wall St. Rank held Iridium Communications as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.