Caption Management’s Iridium Communications IRDM Stock Holding History

Caption 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 Q1	–	Sell	-80,000	Closed	-$1.39M	–	1800
2025 Q4	$1.39M	Buy	+80,000	New	+$1.41M	0.01%	946
2025 Q3	–	Sell	-3,600	Closed	-$109K	–	1845
2025 Q2	$109K	Hold	3,600	–	–	﹤0.01%	1312
2025 Q1	$98.4K	Sell	3,600 -36,400	-91%	-$1.07M	﹤0.01%	1354
2024 Q4	$1.16M	Buy	+40,000	New	+$1.19M	0.01%	867
2024 Q3	–	Sell	-45,000	Closed	-$1.2M	–	1447
2024 Q2	$1.2M	Buy	+45,000	New	+$1.27M	0.02%	619

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

Caption Management's IRDM Position: Q3 2025 in Review

Caption Management sold out of Iridium Communications (IRDM) in Q3 2025, closing a stake of 40,000 shares — an estimated $1.21M sold.

Caption Management first reported a position in IRDM in Q2 2020 and held it in 3 quarters. The position peaked at $1.21M in Q2 2025. 324 funds tracked by Wall St. Rank hold IRDM as of Q3 2025.

Caption Management reported no remaining Iridium Communications position as of Q3 2025 after selling out during the quarter.
Caption Management sold 40,000 Iridium Communications shares in Q3 2025, an estimated $1.21M.
Caption Management first reported a position in Iridium Communications in Q2 2020 and held it in 3 quarters.
Caption Management's Iridium Communications position peaked at $1.21M in Q2 2025.
324 funds tracked by Wall St. Rank held Iridium Communications as of Q3 2025.

Based on Caption Management's 13F filing for Q3 2025, filed 14 Nov 2025.