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IRDM icon

AlphaQuest’s Iridium Communications IRDM Stock Holding History

AlphaQuest’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 		– Sell
-19,709
Closed -$343K – 1002
2025
Q4 		$343K Sell
19,709
-1,645
-8% -$29.1K 0.02% 1113
2025
Q3 		$373K Buy
21,354
+11,422
+115% +$282K 0.02% 1000
2025
Q2 		$300K Sell
9,932
-5,106
-34% -$133K 0.03% 880
2025
Q1 		$411K Buy
15,038
+8,218
+120% +$241K 0.04% 617
2024
Q4 		$198K Sell
6,820
-7,057
-51% -$210K 0.03% 861
2024
Q3 		$423K Buy
13,877
+8,959
+182% +$244K 0.04% 734
2024
Q2 		$131K Sell
4,918
-17,546
-78% -$494K 0.02% 866
2024
Q1 		$588K Buy
22,464
+15,185
+209% +$494K 0.1% 326
2023
Q4 		$300K Buy
+7,279
New +$288K 0.06% 528

Other funds holding IRDM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
SHCM
Silver Heights Capital Management Toronto, Ontario, Canada $324M AUM 55.4% 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
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
GAM
Gotham Asset Management New York $43B AUM 34.97% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

AlphaQuest's IRDM Position: Q1 2026 in Review

AlphaQuest sold out of Iridium Communications (IRDM) in Q1 2026, closing a stake of 19,709 shares — an estimated $343K sold.

AlphaQuest first reported a position in IRDM in Q4 2023 and held it in 9 quarters. The position peaked at $588K in Q1 2024. 382 funds tracked by Wall St. Rank hold IRDM as of Q1 2026.

  • AlphaQuest reported no remaining Iridium Communications position as of Q1 2026 after selling out during the quarter.
  • AlphaQuest sold 19,709 Iridium Communications shares in Q1 2026, an estimated $343K.
  • AlphaQuest first reported a position in Iridium Communications in Q4 2023 and held it in 9 quarters.
  • AlphaQuest's Iridium Communications position peaked at $588K in Q1 2024.
  • 382 funds tracked by Wall St. Rank held Iridium Communications as of Q1 2026.

Based on AlphaQuest's 13F filing for Q1 2026.