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% 3465

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

D.E. Shaw & Co's IRDM Position: Q1 2026 in Review

D.E. Shaw & Co increased its Iridium Communications (IRDM) stake by 27% in Q1 2026, buying an estimated $403K and bringing the position to 83,333 shares worth $2.31M. The position accounts for ﹤0.01% of the portfolio, ranked #2808.

D.E. Shaw & Co first reported a position in IRDM in Q4 2015 and has held it in 37 quarters since. The position peaked at $54.3M in Q2 2023. 379 funds tracked by Wall St. Rank hold IRDM as of Q1 2026.

  • D.E. Shaw & Co held 83,333 shares of Iridium Communications worth $2.31M as of Q1 2026.
  • D.E. Shaw & Co bought 17,910 Iridium Communications shares in Q1 2026, an estimated $403K.
  • Iridium Communications made up ﹤0.01% of D.E. Shaw & Co's portfolio in Q1 2026, its #2808 holding.
  • D.E. Shaw & Co first reported a position in Iridium Communications in Q4 2015 and has held it in 37 quarters since.
  • D.E. Shaw & Co's Iridium Communications position peaked at $54.3M in Q2 2023.
  • 379 funds tracked by Wall St. Rank held Iridium Communications as of Q1 2026.

Based on D.E. Shaw & Co's 13F filing for Q1 2026, filed 15 May 2026.