Vanguard Portfolio Management
IRDM icon

Vanguard Portfolio Management’s Iridium Communications IRDM Stock Holding History

Vanguard Portfolio 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
Q3 		$254M Sell
5,308,152
-132,247
-2% -$6.38M 0.01% 1034
2026
Q2 		$298M Sell
5,440,399
-651,350
-11% -$27.8M 0.01% 984
2026
Q1 		$169M Buy
+6,091,749
New +$137M 0.01% 1225

Other funds holding IRDM

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $229B AUM 33.35% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Silver Heights Capital Management
Silver Heights Capital Management Toronto, Ontario, Canada $277M AUM 90.96% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $165B AUM 72.14% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

Vanguard Portfolio Management's IRDM Position: Q3 2026 in Review

Vanguard Portfolio Management reduced its Iridium Communications (IRDM) stake by 2.4% in Q3 2026, selling an estimated $6.38M and leaving 5,308,152 shares worth $254M. The position accounts for 0.01% of the portfolio, ranked #1034.

Vanguard Portfolio Management first reported a position in IRDM in Q1 2026 and has held it in 3 quarters since. The position peaked at $298M in Q2 2026. 353 funds tracked by Wall St. Rank hold IRDM as of Q3 2026.

  • Vanguard Portfolio Management held 5,308,152 shares of Iridium Communications worth $254M as of Q3 2026.
  • Vanguard Portfolio Management sold 132,247 Iridium Communications shares in Q3 2026, an estimated $6.38M.
  • Iridium Communications made up 0.01% of Vanguard Portfolio Management's portfolio in Q3 2026, its #1034 holding.
  • Vanguard Portfolio Management first reported a position in Iridium Communications in Q1 2026 and has held it in 3 quarters since.
  • Vanguard Portfolio Management's Iridium Communications position peaked at $298M in Q2 2026.
  • 353 funds tracked by Wall St. Rank held Iridium Communications as of Q3 2026.

Based on Vanguard Portfolio Management's 13F filing for Q3 2026, filed 13 Nov 2026.