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 		$9.42M Buy
339,700
+229,000
+207% +$5.16M ﹤0.01% 3204
2025
Q4 		$1.92M Sell
110,700
-58,600
-35% -$1.04M ﹤0.01% 5746
2025
Q3 		$2.96M Buy
169,300
+30,400
+22% +$751K ﹤0.01% 5000
2025
Q2 		$4.19M Buy
138,900
+100
+0.1% +$2.6K ﹤0.01% 4312
2025
Q1 		$3.79M Buy
138,800
+49,800
+56% +$1.46M ﹤0.01% 4184
2024
Q4 		$2.58M Buy
89,000
+6,800
+8% +$202K ﹤0.01% 4743
2024
Q3 		$2.5M Sell
82,200
-91,600
-53% -$2.5M ﹤0.01% 4852
2024
Q2 		$4.63M Sell
173,800
-57,800
-25% -$1.63M ﹤0.01% 3565
2024
Q1 		$6.06M Buy
231,600
+168,800
+269% +$5.49M ﹤0.01% 3326
2023
Q4 		$2.58M Sell
62,800
-173,000
-73% -$6.85M ﹤0.01% 4836
2023
Q3 		$10.7M Buy
235,800
+78,800
+50% +$4.08M ﹤0.01% 2467
2023
Q2 		$9.75M Buy
157,000
+73,500
+88% +$4.55M ﹤0.01% 2530
2023
Q1 		$5.17M Sell
83,500
-79,400
-49% -$4.75M ﹤0.01% 3419
2022
Q4 		$8.37M Buy
162,900
+34,400
+27% +$1.73M ﹤0.01% 2498
2022
Q3 		$5.7M Buy
128,500
+81,900
+176% +$3.55M ﹤0.01% 2951
2022
Q2 		$1.75M Buy
46,600
+10,500
+29% +$392K ﹤0.01% 5196
2022
Q1 		$1.46M Buy
36,100
+4,400
+14% +$166K ﹤0.01% 6214
2021
Q4 		$1.31M Sell
31,700
-26,100
-45% -$1.05M ﹤0.01% 6552
2021
Q3 		$2.3M Sell
57,800
-7,100
-11% -$298K ﹤0.01% 5534
2021
Q2 		$2.6M Sell
64,900
-128,800
-66% -$5M ﹤0.01% 5347
2021
Q1 		$7.99M Buy
193,700
+73,500
+61% +$3.22M ﹤0.01% 3144
2020
Q4 		$4.73M Buy
120,200
+80,600
+204% +$2.53M ﹤0.01% 3485
2020
Q3 		$1.01M Sell
39,600
-58,700
-60% -$1.62M ﹤0.01% 6085
2020
Q2 		$2.5M Sell
98,300
-31,500
-24% -$739K ﹤0.01% 4099
2020
Q1 		$2.9M Buy
129,800
+55,500
+75% +$1.44M ﹤0.01% 3341
2019
Q4 		$1.83M Sell
74,300
-45,900
-38% -$1.1M ﹤0.01% 4468
2019
Q3 		$2.56M Sell
120,200
-77,500
-39% -$1.85M ﹤0.01% 3755
2019
Q2 		$4.6M Buy
197,700
+36,400
+23% +$906K ﹤0.01% 2830
2019
Q1 		$4.26M Buy
161,300
+108,800
+207% +$2.34M ﹤0.01% 2647
2018
Q4 		$969K Sell
52,500
-103,100
-66% -$2.12M ﹤0.01% 4720
2018
Q3 		$3.5M Buy
155,600
+87,400
+128% +$1.7M ﹤0.01% 3148
2018
Q2 		$1.1M Buy
68,200
+32,400
+91% +$441K ﹤0.01% 5137
2018
Q1 		$403K Buy
35,800
+22,300
+165% +$267K ﹤0.01% 7056
2017
Q4 		$159K Sell
13,500
-132,100
-91% -$1.53M ﹤0.01% 8447
2017
Q3 		$1.5M Sell
145,600
-55,600
-28% -$576K ﹤0.01% 4462
2017
Q2 		$2.22M Buy
201,200
+41,000
+26% +$428K ﹤0.01% 3732
2017
Q1 		$1.55M Buy
160,200
+94,800
+145% +$904K ﹤0.01% 4206
2016
Q4 		$628K Buy
65,400
+4,700
+8% +$41.9K ﹤0.01% 6511
2016
Q3 		$492K Buy
60,700
+11,700
+24% +$98.1K ﹤0.01% 6080
2016
Q2 		$435K Sell
49,000
-29,300
-37% -$241K ﹤0.01% 6360
2016
Q1 		$616K Buy
78,300
+33,500
+75% +$241K ﹤0.01% 6030
2015
Q4 		$377K Buy
+44,800
New +$341K ﹤0.01% 7290
2015
Q3 		– Sell
-26,000
Closed -$236K – 9864
2015
Q2 		$236K Sell
26,000
-8,900
-26% -$91.5K ﹤0.01% 8994
2015
Q1 		$339K Sell
34,900
-75,500
-68% -$703K ﹤0.01% 7754
2014
Q4 		$1.08M Sell
110,400
-89,200
-45% -$834K ﹤0.01% 5725
2014
Q3 		$1.77M Buy
199,600
+153,000
+328% +$1.33M ﹤0.01% 4824
2014
Q2 		$394K Sell
46,600
-110,500
-70% -$831K ﹤0.01% 7914
2014
Q1 		$1.18M Buy
157,100
+121,700
+344% +$814K ﹤0.01% 5217
2013
Q4 		$222K Buy
+35,400
New +$214K ﹤0.01% 8083
2013
Q3 		– Sell
-82,800
Closed -$643K – 8571
2013
Q2 		$643K Buy
+82,800
New +$582K ﹤0.01% 5674

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.