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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
Q2 		– Sell
-8,421
Closed -$234K – 543
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 $6.73T AUM 46.02% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
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
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

Summit Global Investments's IRDM Position: Q2 2026 in Review

Summit Global Investments sold out of Iridium Communications (IRDM) in Q2 2026, closing a stake of 8,421 shares — an estimated $234K sold.

Summit Global Investments first reported a position in IRDM in Q2 2022 and held it in 2 quarters. The position peaked at $786K in Q2 2022. 483 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

  • Summit Global Investments reported no remaining Iridium Communications position as of Q2 2026 after selling out during the quarter.
  • Summit Global Investments sold 8,421 Iridium Communications shares in Q2 2026, an estimated $234K.
  • Summit Global Investments first reported a position in Iridium Communications in Q2 2022 and held it in 2 quarters.
  • Summit Global Investments's Iridium Communications position peaked at $786K in Q2 2022.
  • 483 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on Summit Global Investments's 13F filing for Q2 2026, filed 3 Aug 2026.