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Michael Gelband’s Iridium Communications IRDM Stock Holding History

Michael Gelband’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
Q2 		$272K Sell
4,961
-57,489
-92% -$2.46M ﹤0.01% 1381
2026
Q1 		$1.73M Sell
62,450
-46,794
-43% -$1.05M 0.01% 836
2025
Q4 		$1.9M Sell
109,244
-8,849
-7% -$156K 0.01% 789
2025
Q3 		$2.06M Buy
118,093
+110,117
+1,381% +$2.72M 0.02% 723
2025
Q2 		$241K Sell
7,976
-152,148
-95% -$3.96M ﹤0.01% 1279
2025
Q1 		$4.38M Buy
160,124
+47,133
+42% +$1.38M 0.04% 444
2024
Q4 		$3.28M Sell
112,991
-26,218
-19% -$780K 0.02% 561
2024
Q3 		$4.24M Buy
139,209
+106,299
+323% +$2.9M 0.03% 482
2024
Q2 		$876K Buy
+32,910
New +$927K 0.01% 1066
2024
Q1 		– Sell
-83,403
Closed -$3.43M – 1713
2023
Q4 		$3.43M Buy
83,403
+51,500
+161% +$2.04M 0.02% 428
2023
Q3 		$1.45M Sell
31,903
-16,608
-34% -$860K 0.01% 809
2023
Q2 		$3.01M Buy
+48,511
New +$3M 0.02% 649
2023
Q1 		– Sell
-4,309
Closed -$221K – 1940
2022
Q4 		$221K Buy
+4,309
New +$216K ﹤0.01% 1434
2022
Q3 		– Sell
-50,749
Closed -$1.91M – 2091
2022
Q2 		$1.91M Sell
50,749
-11,919
-19% -$445K 0.02% 797
2022
Q1 		$2.53M Buy
62,668
+52,678
+527% +$1.98M 0.03% 671
2021
Q4 		$412K Buy
+9,990
New +$404K ﹤0.01% 1517

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

Michael Gelband's IRDM Position: Q2 2026 in Review

Michael Gelband reduced its Iridium Communications (IRDM) stake by 92% in Q2 2026, selling an estimated $2.46M and leaving 4,961 shares worth $272K. The position accounts for ﹤0.01% of the portfolio, ranked #1381.

Michael Gelband first reported a position in IRDM in Q4 2021 and has held it in 16 quarters since. The position peaked at $4.38M in Q1 2025. 478 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

  • Michael Gelband held 4,961 shares of Iridium Communications worth $272K as of Q2 2026.
  • Michael Gelband sold 57,489 Iridium Communications shares in Q2 2026, an estimated $2.46M.
  • Iridium Communications made up ﹤0.01% of Michael Gelband's portfolio in Q2 2026, its #1381 holding.
  • Michael Gelband first reported a position in Iridium Communications in Q4 2021 and has held it in 16 quarters since.
  • Michael Gelband's Iridium Communications position peaked at $4.38M in Q1 2025.
  • 478 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on ExodusPoint Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.