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	-10,200	Closed	-$401K	–	6819
2020 Q4	$401K	Sell	10,200 -5,000	-33%	-$157K	﹤0.01%	4402
2020 Q3	$389K	Sell	15,200 -1,500	-9%	-$41.3K	﹤0.01%	4068
2020 Q2	$425K	Buy	16,700 +2,500	+18%	+$58.6K	﹤0.01%	4413
2020 Q1	$317K	Sell	14,200 -7,700	-35%	-$199K	﹤0.01%	4301
2019 Q4	$540K	Sell	21,900 -3,000	-12%	-$71.9K	﹤0.01%	4363
2019 Q3	$530K	Buy	24,900 +15,300	+159%	+$365K	﹤0.01%	4287
2019 Q2	$223K	Sell	9,600 -3,700	-28%	-$92.1K	﹤0.01%	5161
2019 Q1	$352K	Sell	13,300 -16,600	-56%	-$357K	﹤0.01%	4543
2018 Q4	$552K	Buy	29,900 +25,800	+629%	+$530K	﹤0.01%	4020
2018 Q3	$92K	Buy	+4,100	New	+$79.6K	﹤0.01%	5984

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.