Susquehanna International Group
IRDM icon

Susquehanna International Group’s Iridium Communications IRDM Stock Holding History

Susquehanna International Group’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 		$8.09M Buy
291,694
+119,932
+70% +$2.7M ﹤0.01% 3446
2025
Q4 		$2.99M Sell
171,762
-67,602
-28% -$1.19M ﹤0.01% 4876
2025
Q3 		$4.18M Buy
239,364
+176,120
+278% +$4.35M ﹤0.01% 4385
2025
Q2 		$1.91M Buy
63,244
+37,785
+148% +$983K ﹤0.01% 5889
2025
Q1 		$696K Buy
25,459
+1,642
+7% +$48.1K ﹤0.01% 8157
2024
Q4 		$691K Sell
23,817
-28,353
-54% -$843K ﹤0.01% 7850
2024
Q3 		$1.59M Buy
+52,170
New +$1.42M ﹤0.01% 5767
2024
Q2 		– Sell
-65,064
Closed -$1.83M – 12627
2024
Q1 		$1.7M Buy
65,064
+49,620
+321% +$1.61M ﹤0.01% 5707
2023
Q4 		$636K Sell
15,444
-428,265
-97% -$17M ﹤0.01% 8084
2023
Q3 		$20.2M Sell
443,709
-363,422
-45% -$18.8M ﹤0.01% 1732
2023
Q2 		$50.1M Buy
807,131
+748,140
+1,268% +$46.3M 0.01% 984
2023
Q1 		$3.65M Buy
58,991
+14,478
+33% +$867K ﹤0.01% 3935
2022
Q4 		$2.29M Sell
44,513
-3,624
-8% -$182K ﹤0.01% 4473
2022
Q3 		$2.14M Buy
48,137
+34,147
+244% +$1.48M ﹤0.01% 4784
2022
Q2 		$525K Sell
13,990
-15,029
-52% -$561K ﹤0.01% 8139
2022
Q1 		$1.17M Buy
29,019
+2,833
+11% +$107K ﹤0.01% 6721
2021
Q4 		$1.08M Sell
26,186
-155,991
-86% -$6.3M ﹤0.01% 7092
2021
Q3 		$7.26M Sell
182,177
-93,041
-34% -$3.91M ﹤0.01% 3346
2021
Q2 		$11M Sell
275,218
-128,656
-32% -$5M ﹤0.01% 2774
2021
Q1 		$16.7M Buy
403,874
+321,834
+392% +$14.1M ﹤0.01% 2110
2020
Q4 		$3.23M Sell
82,040
-110,971
-57% -$3.49M ﹤0.01% 4180
2020
Q3 		$4.94M Buy
193,011
+35,696
+23% +$982K ﹤0.01% 3067
2020
Q2 		$4M Buy
157,315
+13,177
+9% +$309K ﹤0.01% 3319
2020
Q1 		$3.22M Buy
144,138
+14,520
+11% +$376K ﹤0.01% 3174
2019
Q4 		$3.19M Sell
129,618
-113,319
-47% -$2.72M ﹤0.01% 3600
2019
Q3 		$5.17M Sell
242,937
-24,120
-9% -$575K ﹤0.01% 2681
2019
Q2 		$6.21M Buy
267,057
+78,339
+42% +$1.95M ﹤0.01% 2435
2019
Q1 		$4.99M Sell
188,718
-136,709
-42% -$2.94M ﹤0.01% 2463
2018
Q4 		$6M Sell
325,427
-82,055
-20% -$1.68M ﹤0.01% 2091
2018
Q3 		$9.17M Buy
407,482
+329,286
+421% +$6.4M ﹤0.01% 2025
2018
Q2 		$1.26M Sell
78,196
-63,072
-45% -$858K ﹤0.01% 4870
2018
Q1 		$1.59M Sell
141,268
-18,689
-12% -$224K ﹤0.01% 4348
2017
Q4 		$1.89M Buy
+159,957
New +$1.85M ﹤0.01% 4012
2017
Q1 		– Sell
-96,468
Closed -$920K – 9427
2016
Q4 		$926K Buy
+96,468
New +$861K ﹤0.01% 5692
2016
Q1 		– Sell
-31,511
Closed -$226K – 9323
2015
Q4 		$265K Buy
+31,511
New +$240K ﹤0.01% 7923
2015
Q3 		– Sell
-159,918
Closed -$1.45M – 9865
2015
Q2 		$1.45M Sell
159,918
-148,482
-48% -$1.53M ﹤0.01% 5393
2015
Q1 		$3M Sell
308,400
-26,287
-8% -$245K ﹤0.01% 3560
2014
Q4 		$3.26M Buy
334,687
+26,287
+9% +$246K ﹤0.01% 3589
2014
Q3 		$2.73M Sell
308,400
-1,339
-0.4% -$11.6K ﹤0.01% 4067
2014
Q2 		$2.62M Buy
309,739
+158,645
+105% +$1.19M ﹤0.01% 4145
2014
Q1 		$1.14M Sell
151,094
-66,936
-31% -$448K ﹤0.01% 5282
2013
Q4 		$1.36M Buy
218,030
+119,543
+121% +$723K ﹤0.01% 4937
2013
Q3 		$677K Buy
98,487
+84,593
+609% +$633K ﹤0.01% 5958
2013
Q2 		$108K Buy
+13,894
New +$97.6K ﹤0.01% 7758

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

Susquehanna International Group's IRDM Position: Q1 2026 in Review

Susquehanna International Group increased its Iridium Communications (IRDM) stake by 70% in Q1 2026, buying an estimated $2.7M and bringing the position to 291,694 shares worth $8.09M. The position accounts for ﹤0.01% of the portfolio, ranked #3446.

Susquehanna International Group first reported a position in IRDM in Q2 2013 and has held it in 44 quarters since. The position peaked at $50.1M in Q2 2023. 379 funds tracked by Wall St. Rank hold IRDM as of Q1 2026.

  • Susquehanna International Group held 291,694 shares of Iridium Communications worth $8.09M as of Q1 2026.
  • Susquehanna International Group bought 119,932 Iridium Communications shares in Q1 2026, an estimated $2.7M.
  • Iridium Communications made up ﹤0.01% of Susquehanna International Group's portfolio in Q1 2026, its #3446 holding.
  • Susquehanna International Group first reported a position in Iridium Communications in Q2 2013 and has held it in 44 quarters since.
  • Susquehanna International Group's Iridium Communications position peaked at $50.1M in Q2 2023.
  • 379 funds tracked by Wall St. Rank held Iridium Communications as of Q1 2026.

Based on Susquehanna International Group's 13F filing for Q1 2026, filed 15 May 2026.