Vanguard Personalized Indexing Management’s Iridium Communications IRDM Stock Holding History

Vanguard Personalized Indexing 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	$262K	Buy	+4,772	New	+$204K	﹤0.01%	1778
2025 Q3	–	Sell	-9,158	Closed	-$276K	–	2023
2025 Q2	$276K	Sell	9,158 -6,325	-41%	-$164K	﹤0.01%	1481
2025 Q1	$423K	Buy	15,483 +1,659	+12%	+$48.6K	0.01%	1191
2024 Q4	$401K	Sell	13,824 -852	-6%	-$25.3K	0.01%	1214
2024 Q3	$447K	Sell	14,676 -6,338	-30%	-$173K	0.01%	1148
2024 Q2	$559K	Buy	21,014 +10,509	+100%	+$296K	0.01%	977
2024 Q1	$275K	Sell	10,505 -72	-0.7%	-$2.34K	0.01%	1305
2023 Q4	$435K	Buy	10,577 +4,121	+64%	+$163K	0.01%	1068
2023 Q3	$294K	Buy	6,456 +459	+8%	+$23.8K	0.01%	1134
2023 Q2	$373K	Sell	5,997 -5,752	-49%	-$356K	0.01%	1023
2023 Q1	$728K	Buy	11,749 +7,292	+164%	+$436K	0.03%	693
2022 Q4	$229K	Buy	+4,457	New	+$224K	0.01%	1085

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

Vanguard Personalized Indexing Management's IRDM Position: Q2 2026 in Review

Vanguard Personalized Indexing Management opened a new position in Iridium Communications (IRDM) in Q2 2026: 4,772 shares worth $262K. The stake represents ﹤0.01% of the portfolio and ranks #1778 among its holdings. This is a return to the name: Vanguard Personalized Indexing Management previously reported a position in IRDM as recently as Q2 2025.

Vanguard Personalized Indexing Management first reported a position in IRDM in Q4 2022 and has held it in 12 quarters since. The position peaked at $728K in Q1 2023. 483 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

Vanguard Personalized Indexing Management held 4,772 shares of Iridium Communications worth $262K as of Q2 2026.
Iridium Communications was a new Vanguard Personalized Indexing Management position in Q2 2026.
Iridium Communications made up ﹤0.01% of Vanguard Personalized Indexing Management's portfolio in Q2 2026, its #1778 holding.
Vanguard Personalized Indexing Management first reported a position in Iridium Communications in Q4 2022 and has held it in 12 quarters since.
Vanguard Personalized Indexing Management's Iridium Communications position peaked at $728K in Q1 2023.
483 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on Vanguard Personalized Indexing Management's 13F filing for Q2 2026, filed 11 Aug 2026.