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Dynamic Technology Lab’s Iridium Communications IRDM Stock Holding History

Dynamic Technology Lab’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 		– Sell
-8,648
Closed -$240K – 878
2026
Q1 		$240K Buy
+8,648
New +$195K 0.04% 699
2025
Q4 		– Sell
-52,304
Closed -$913K – 918
2025
Q3 		$913K Buy
+52,304
New +$1.29M 0.15% 214
2025
Q2 		– Sell
-61,598
Closed -$1.68M – 1138
2025
Q1 		$1.68M Buy
61,598
+21,227
+53% +$622K 0.24% 84
2024
Q4 		$1.17M Buy
+40,371
New +$1.2M 0.19% 150
2024
Q3 		– Sell
-24,638
Closed -$656K – 1170
2024
Q2 		$656K Sell
24,638
-111,645
-82% -$3.14M 0.07% 437
2024
Q1 		$3.56M Buy
+136,283
New +$4.43M 0.38% 20
2023
Q4 		– Sell
-25,202
Closed -$1.15M – 1211
2023
Q3 		$1.15M Sell
25,202
-6,038
-19% -$313K 0.11% 228
2023
Q2 		$1.94M Buy
+31,240
New +$1.93M 0.24% 102
2022
Q2 		– Sell
-47,149
Closed -$1.9M – 1324
2022
Q1 		$1.9M Buy
+47,149
New +$1.78M 0.22% 81
2021
Q4 		– Sell
-31,966
Closed -$1.27M – 1308
2021
Q3 		$1.27M Buy
+31,966
New +$1.34M 0.15% 192
2020
Q4 		– Sell
-22,353
Closed -$572K – 1155
2020
Q3 		$572K Buy
22,353
+10,642
+91% +$293K 0.09% 389
2020
Q2 		$298K Buy
+11,711
New +$275K 0.04% 671
2019
Q4 		– Sell
-37,900
Closed -$807K – 1135
2019
Q3 		$807K Buy
37,900
+21,202
+127% +$505K 0.14% 219
2019
Q2 		$388K Buy
+16,698
New +$416K 0.07% 522
2018
Q1 		– Sell
-34,670
Closed -$409K – 1189
2017
Q4 		$409K Buy
34,670
+10,680
+45% +$123K 0.07% 537
2017
Q3 		$247K Buy
23,990
+4,325
+22% +$44.8K 0.04% 817
2017
Q2 		$217K Buy
+19,665
New +$205K 0.04% 847
2015
Q1 		– Sell
-28,871
Closed -$281K – 767
2014
Q4 		$281K Buy
+28,871
New +$270K 0.14% 296

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

Dynamic Technology Lab's IRDM Position: Q2 2026 in Review

Dynamic Technology Lab sold out of Iridium Communications (IRDM) in Q2 2026, closing a stake of 8,648 shares — an estimated $240K sold.

Dynamic Technology Lab first reported a position in IRDM in Q4 2014 and held it in 18 quarters. The position peaked at $3.56M in Q1 2024. 483 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

  • Dynamic Technology Lab reported no remaining Iridium Communications position as of Q2 2026 after selling out during the quarter.
  • Dynamic Technology Lab sold 8,648 Iridium Communications shares in Q2 2026, an estimated $240K.
  • Dynamic Technology Lab first reported a position in Iridium Communications in Q4 2014 and held it in 18 quarters.
  • Dynamic Technology Lab's Iridium Communications position peaked at $3.56M in Q1 2024.
  • 483 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on Dynamic Technology Lab's 13F filing for Q2 2026, filed 13 Aug 2026.