XTX Topco’s Iridium Communications IRDM Stock Holding History

XTX Topco’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	$1.85M	Buy	66,699 +9,588	+17%	+$216K	0.03%	898
2025 Q4	$993K	Sell	57,111 -50,723	-47%	-$896K	0.03%	1029
2025 Q3	$1.88M	Buy	+107,834	New	+$2.66M	0.1%	234
2025 Q2	–	Sell	-57,742	Closed	-$1.58M	–	2755
2025 Q1	$1.58M	Buy	57,742 +36,108	+167%	+$1.06M	0.08%	337
2024 Q4	$628K	Sell	21,634 -7,014	-24%	-$209K	0.05%	576
2024 Q3	$872K	Buy	28,648 +19,263	+205%	+$525K	0.06%	484
2024 Q2	$250K	Sell	9,385 -7,110	-43%	-$200K	0.02%	1081
2024 Q1	$432K	Buy	+16,495	New	+$537K	0.06%	579
2023 Q4	–	Sell	-11,578	Closed	-$527K	–	1836
2023 Q3	$527K	Buy	11,578 +6,691	+137%	+$347K	0.09%	374
2023 Q2	$304K	Buy	+4,887	New	+$302K	0.05%	712
2021 Q3	–	Sell	-5,322	Closed	-$213K	–	857
2021 Q2	$213K	Buy	+5,322	New	+$207K	0.07%	537

Other funds holding IRDM

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

American Century Companies

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

Gotham Asset Management New York $32.7B AUM 27.65% 1-Year Est. Return

AQR Capital Management

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Dimensional Fund Advisors

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

Geode Capital Management

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return