D.E. Shaw & Co
IRDM icon

D.E. Shaw & Co’s Iridium Communications IRDM Stock Holding History

D.E. Shaw & Co’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
2024
Q4 		– Sell
-47,300
Closed -$1.44M – 4606
2024
Q3 		$1.44M Hold
47,300
– – ﹤0.01% 2972
2024
Q2 		$1.26M Buy
47,300
+27,300
+137% +$769K ﹤0.01% 3031
2024
Q1 		$523K Buy
+20,000
New +$651K ﹤0.01% 3466

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

D.E. Shaw & Co's IRDM Position: Q2 2026 in Review

D.E. Shaw & Co reduced its Iridium Communications (IRDM) stake by 53% in Q2 2026, selling an estimated $1.89M and leaving 39,103 shares worth $2.14M. The position accounts for ﹤0.01% of the portfolio, ranked #3139.

D.E. Shaw & Co first reported a position in IRDM in Q4 2015 and has held it in 38 quarters since. The position peaked at $54.3M in Q2 2023. 483 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

  • D.E. Shaw & Co held 39,103 shares of Iridium Communications worth $2.14M as of Q2 2026.
  • D.E. Shaw & Co sold 44,230 Iridium Communications shares in Q2 2026, an estimated $1.89M.
  • Iridium Communications made up ﹤0.01% of D.E. Shaw & Co's portfolio in Q2 2026, its #3139 holding.
  • D.E. Shaw & Co first reported a position in Iridium Communications in Q4 2015 and has held it in 38 quarters since.
  • D.E. Shaw & Co's Iridium Communications position peaked at $54.3M in Q2 2023.
  • 483 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.