AssetMark Inc’s Iridium Communications IRDM Stock Holding History

AssetMark Inc’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
2025 Q3	–	Sell	-30	Closed	-$905	–	3233
2025 Q2	$905	Buy	+30	New	+$780	﹤0.01%	2631
2024 Q1	–	Sell	-3	Closed	-$123	–	2018
2023 Q4	$123	Sell	3 -35	-92%	-$1.39K	﹤0.01%	1809
2023 Q3	$1.73K	Sell	38 -25,537	-100%	-$1.32M	﹤0.01%	1486
2023 Q2	$1.59M	Buy	25,575 +2,245	+10%	+$139K	0.01%	522
2023 Q1	$1.44M	Buy	+23,330	New	+$1.4M	0.01%	521
2018 Q1	–	Sell	-27	Closed	–	–	1683
2017 Q4	$0	Buy	+27	New	+$312	﹤0.01%	1991

Other funds holding IRDM

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

AIM

ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return

SHCM

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

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $154B AUM 29.96% 1-Year Est. Return

NAMA

Nikko Asset Management Americas New York $7.07B AUM 50.91% 1-Year Est. Return

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

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

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

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

AssetMark Inc's IRDM Position: Q3 2025 in Review

AssetMark Inc sold out of Iridium Communications (IRDM) in Q3 2025, closing a stake of 30 shares — an estimated $905 sold.

AssetMark Inc first reported a position in IRDM in Q4 2017 and held it in 6 quarters. The position peaked at $1.59M in Q2 2023. 324 funds tracked by Wall St. Rank hold IRDM as of Q3 2025.

AssetMark Inc reported no remaining Iridium Communications position as of Q3 2025 after selling out during the quarter.
AssetMark Inc sold 30 Iridium Communications shares in Q3 2025, an estimated $905.
AssetMark Inc first reported a position in Iridium Communications in Q4 2017 and held it in 6 quarters.
AssetMark Inc's Iridium Communications position peaked at $1.59M in Q2 2023.
324 funds tracked by Wall St. Rank held Iridium Communications as of Q3 2025.

Based on AssetMark Inc's 13F filing for Q3 2025, filed 6 Nov 2025.