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Horizon Investments’s Iridium Communications IRDM Stock Holding History

Horizon 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
Q1 		$793K Sell
28,584
-6,752
-19% -$152K 0.01% 724
2025
Q4 		$614K Buy
35,336
+12,119
+52% +$214K 0.01% 791
2025
Q3 		$405K Buy
+23,217
New +$574K 0.01% 861

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

Horizon Investments's IRDM Position: Q1 2026 in Review

Horizon Investments reduced its Iridium Communications (IRDM) stake by 19% in Q1 2026, selling an estimated $152K and leaving 28,584 shares worth $793K. The position accounts for 0.01% of the portfolio, ranked #724.

Horizon Investments first reported a position in IRDM in Q3 2025 and has held it in 3 quarters since. 379 funds tracked by Wall St. Rank hold IRDM as of Q1 2026.

  • Horizon Investments held 28,584 shares of Iridium Communications worth $793K as of Q1 2026.
  • Horizon Investments sold 6,752 Iridium Communications shares in Q1 2026, an estimated $152K.
  • Iridium Communications made up 0.01% of Horizon Investments's portfolio in Q1 2026, its #724 holding.
  • Horizon Investments first reported a position in Iridium Communications in Q3 2025 and has held it in 3 quarters since.
  • 379 funds tracked by Wall St. Rank held Iridium Communications as of Q1 2026.

Based on Horizon Investments's 13F filing for Q1 2026, filed 15 May 2026.