Weiss Asset Management’s Iridium Communications IRDM Stock Holding History

Weiss Asset Management’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	$9.51M	Buy	+173,416	New	+$7.41M	0.1%	159
2026 Q1	–	Sell	-96,497	Closed	-$1.68M	–	655
2025 Q4	$1.68M	Sell	96,497 -19,641	-17%	-$347K	0.02%	338
2025 Q3	$2.03M	Buy	116,138 +78,086	+205%	+$1.93M	0.02%	254
2025 Q2	$1.15M	Buy	+38,052	New	+$990K	0.01%	318
2025 Q1	–	Sell	-153,070	Closed	-$4.44M	–	503
2024 Q4	$4.44M	Buy	153,070 +1,552	+1%	+$46.2K	0.08%	231
2024 Q3	$4.61M	Buy	+151,518	New	+$4.13M	0.1%	213

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

Weiss Asset Management's IRDM Position: Q2 2026 in Review

Weiss Asset Management opened a new position in Iridium Communications (IRDM) in Q2 2026: 173,416 shares worth $9.51M. The stake represents 0.1% of the portfolio and ranks #159 among its holdings. This is a return to the name: Weiss Asset Management previously reported a position in IRDM as recently as Q4 2025.

Weiss Asset Management first reported a position in IRDM in Q3 2024 and has held it in 6 quarters since. 483 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

Weiss Asset Management held 173,416 shares of Iridium Communications worth $9.51M as of Q2 2026.
Iridium Communications was a new Weiss Asset Management position in Q2 2026.
Iridium Communications made up 0.1% of Weiss Asset Management's portfolio in Q2 2026, its #159 holding.
Weiss Asset Management first reported a position in Iridium Communications in Q3 2024 and has held it in 6 quarters since.
483 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on Weiss Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.