SGI
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Summit Global Investments’s Iridium Communications IRDM Stock Holding History

Summit Global Investments’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 		$234K Buy
+8,421
New +$190K 0.01% 461
2022
Q3 		– Sell
-20,923
Closed -$786K – 479
2022
Q2 		$786K Buy
+20,923
New +$780K 0.07% 253

Other funds holding IRDM

BlackRock
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
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
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
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

Summit Global Investments's IRDM Position: Q1 2026 in Review

Summit Global Investments opened a new position in Iridium Communications (IRDM) in Q1 2026: 8,421 shares worth $234K. The stake represents 0.01% of the portfolio and ranks #461 among its holdings. This is a return to the name: Summit Global Investments previously reported a position in IRDM as recently as Q2 2022.

Summit Global Investments first reported a position in IRDM in Q2 2022 and has held it in 2 quarters since. The position peaked at $786K in Q2 2022. 379 funds tracked by Wall St. Rank hold IRDM as of Q1 2026.

  • Summit Global Investments held 8,421 shares of Iridium Communications worth $234K as of Q1 2026.
  • Iridium Communications was a new Summit Global Investments position in Q1 2026.
  • Iridium Communications made up 0.01% of Summit Global Investments's portfolio in Q1 2026, its #461 holding.
  • Summit Global Investments first reported a position in Iridium Communications in Q2 2022 and has held it in 2 quarters since.
  • Summit Global Investments's Iridium Communications position peaked at $786K in Q2 2022.
  • 379 funds tracked by Wall St. Rank held Iridium Communications as of Q1 2026.

Based on Summit Global Investments's 13F filing for Q1 2026, filed 7 May 2026.