EAM Investors’s Iridium Communications IRDM Stock Holding History

EAM Investors’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
2026 Q2	$2.92M	Buy	+53,324	New	+$2.28M	0.26%	157
2023 Q3	–	Sell	-24,127	Closed	-$1.5M	–	331
2023 Q2	$1.5M	Sell	24,127 -24,366	-50%	-$1.51M	0.28%	178
2023 Q1	$3M	Buy	48,493 +5,273	+12%	+$316K	0.59%	36
2022 Q4	$2.22M	Sell	43,220 -533	-1%	-$26.8K	0.46%	71
2022 Q3	$1.94M	Buy	+43,753	New	+$1.9M	0.42%	92
2021 Q4	–	Sell	-45,942	Closed	-$1.83M	–	325
2021 Q3	$1.83M	Buy	+45,942	New	+$1.93M	0.31%	145
2020 Q2	–	Sell	-53,890	Closed	-$1.2M	–	284
2020 Q1	$1.2M	Buy	+53,890	New	+$1.4M	0.37%	128
2019 Q1	–	Sell	-97,430	Closed	-$1.8M	–	287
2018 Q4	$1.8M	Sell	97,430 -101,273	-51%	-$2.08M	0.49%	65
2018 Q3	$4.47M	Sell	198,703 -15,625	-7%	-$303K	0.66%	22
2018 Q2	$3.45M	Buy	+214,328	New	+$2.92M	0.54%	50
2017 Q1	–	Sell	-87,969	Closed	-$845K	–	344
2016 Q4	$845K	Buy	+87,969	New	+$785K	0.11%	280
2015 Q1	–	Sell	-363,894	Closed	-$3.55M	–	363
2014 Q4	$3.55M	Buy	+363,894	New	+$3.4M	0.5%	48

Other funds holding IRDM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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 Austin, Texas $552B AUM 44.19% 1-Year Est. Return

VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

EAM Investors's IRDM Position: Q2 2026 in Review

EAM Investors opened a new position in Iridium Communications (IRDM) in Q2 2026: 53,324 shares worth $2.92M. The stake represents 0.26% of the portfolio and ranks #157 among its holdings. This is a return to the name: EAM Investors previously reported a position in IRDM as recently as Q2 2023.

EAM Investors first reported a position in IRDM in Q4 2014 and has held it in 12 quarters since. The position peaked at $4.47M in Q3 2018. 482 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

EAM Investors held 53,324 shares of Iridium Communications worth $2.92M as of Q2 2026.
Iridium Communications was a new EAM Investors position in Q2 2026.
Iridium Communications made up 0.26% of EAM Investors's portfolio in Q2 2026, its #157 holding.
EAM Investors first reported a position in Iridium Communications in Q4 2014 and has held it in 12 quarters since.
EAM Investors's Iridium Communications position peaked at $4.47M in Q3 2018.
482 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on EAM Investors's 13F filing for Q2 2026, filed 13 Aug 2026.