Platform Technology Partners’s Iridium Communications IRDM Stock Holding History

Platform Technology Partners’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	$277K	Buy	+5,046	New	+$216K	0.05%	276
2023 Q4	–	Sell	-5,900	Closed	-$268K	–	216
2023 Q3	$268K	Hold	5,900	–	–	0.13%	154
2023 Q2	$360K	Hold	5,900	–	–	0.17%	132
2023 Q1	$365K	Hold	5,900	–	–	0.18%	128
2022 Q4	$303K	Hold	5,900	–	–	0.16%	139
2022 Q3	$262K	Hold	5,900	–	–	0.15%	146
2022 Q2	$222K	Hold	5,900	–	–	0.12%	162
2022 Q1	$238K	Hold	5,900	–	–	0.11%	160
2021 Q4	$244K	Hold	5,900	–	–	0.11%	173
2021 Q3	$235K	Hold	5,900	–	–	0.11%	187
2021 Q2	$236K	Buy	+5,900	New	+$229K	0.1%	209
2020 Q4	$489K	Hold	12,424	–	–	0.24%	113
2020 Q3	$318K	Buy	+12,424	New	+$342K	0.19%	128

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

Platform Technology Partners's IRDM Position: Q2 2026 in Review

Platform Technology Partners opened a new position in Iridium Communications (IRDM) in Q2 2026: 5,046 shares worth $277K. The stake represents 0.05% of the portfolio and ranks #276 among its holdings. This is a return to the name: Platform Technology Partners previously reported a position in IRDM as recently as Q3 2023.

Platform Technology Partners first reported a position in IRDM in Q3 2020 and has held it in 13 quarters since. The position peaked at $489K in Q4 2020. 483 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

Platform Technology Partners held 5,046 shares of Iridium Communications worth $277K as of Q2 2026.
Iridium Communications was a new Platform Technology Partners position in Q2 2026.
Iridium Communications made up 0.05% of Platform Technology Partners's portfolio in Q2 2026, its #276 holding.
Platform Technology Partners first reported a position in Iridium Communications in Q3 2020 and has held it in 13 quarters since.
Platform Technology Partners's Iridium Communications position peaked at $489K in Q4 2020.
483 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on Platform Technology Partners's 13F filing for Q2 2026, filed 24 Jul 2026.