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Caption Management’s Iridium Communications IRDM Stock Holding History

Caption Management’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
2025
Q3 		– Sell
-40,000
Closed -$1.21M – 1846
2025
Q2 		$1.21M Buy
40,000
+24,000
+150% +$624K 0.01% 885
2025
Q1 		$437K Buy
+16,000
New +$469K ﹤0.01% 1129
2020
Q3 		– Sell
-18,750
Closed -$476K – 1148
2020
Q2 		$476K Buy
+18,750
New +$440K 0.02% 680

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

Caption Management's IRDM Position: Q3 2025 in Review

Caption Management sold out of Iridium Communications (IRDM) in Q3 2025, closing a stake of 40,000 shares — an estimated $1.21M sold.

Caption Management first reported a position in IRDM in Q2 2020 and held it in 3 quarters. The position peaked at $1.21M in Q2 2025. 324 funds tracked by Wall St. Rank hold IRDM as of Q3 2025.

  • Caption Management reported no remaining Iridium Communications position as of Q3 2025 after selling out during the quarter.
  • Caption Management sold 40,000 Iridium Communications shares in Q3 2025, an estimated $1.21M.
  • Caption Management first reported a position in Iridium Communications in Q2 2020 and held it in 3 quarters.
  • Caption Management's Iridium Communications position peaked at $1.21M in Q2 2025.
  • 324 funds tracked by Wall St. Rank held Iridium Communications as of Q3 2025.

Based on Caption Management's 13F filing for Q3 2025, filed 14 Nov 2025.