WorldQuant Millennium Advisors
IRDM icon

WorldQuant Millennium Advisors’s Iridium Communications IRDM Stock Holding History

WorldQuant Millennium Advisors’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
-55,351
Closed -$1.54M – 741
2026
Q1 		$1.54M Sell
55,351
-98,598
-64% -$2.22M 0.01% 449
2025
Q4 		$2.68M Sell
153,949
-16,798
-10% -$297K 0.01% 399
2025
Q3 		$2.98M Buy
+170,747
New +$4.22M 0.01% 340

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

WorldQuant Millennium Advisors's IRDM Position: Q2 2026 in Review

WorldQuant Millennium Advisors sold out of Iridium Communications (IRDM) in Q2 2026, closing a stake of 55,351 shares — an estimated $1.54M sold.

WorldQuant Millennium Advisors first reported a position in IRDM in Q3 2025 and held it in 3 quarters. The position peaked at $2.98M in Q3 2025. 483 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

  • WorldQuant Millennium Advisors reported no remaining Iridium Communications position as of Q2 2026 after selling out during the quarter.
  • WorldQuant Millennium Advisors sold 55,351 Iridium Communications shares in Q2 2026, an estimated $1.54M.
  • WorldQuant Millennium Advisors first reported a position in Iridium Communications in Q3 2025 and held it in 3 quarters.
  • WorldQuant Millennium Advisors's Iridium Communications position peaked at $2.98M in Q3 2025.
  • 483 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on WorldQuant Millennium Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.