Jane Street
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Jane Street’s Iridium Communications IRDM Stock Holding History

Jane Street’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 		$1.28M Buy
46,100
+8,700
+23% +$196K ﹤0.01% 5977
2025
Q4 		$650K Sell
37,400
-33,800
-47% -$597K ﹤0.01% 7124
2025
Q3 		$1.24M Buy
71,200
+56,700
+391% +$1.4M ﹤0.01% 5856
2025
Q2 		$437K Buy
+14,500
New +$377K ﹤0.01% 7181
2024
Q4 		– Sell
-25,600
Closed -$780K – 9979
2024
Q3 		$780K Buy
25,600
+9,800
+62% +$267K ﹤0.01% 6378
2024
Q2 		$421K Buy
+15,800
New +$445K ﹤0.01% 7298
2024
Q1 		– Sell
-16,000
Closed -$659K – 9630
2023
Q4 		$659K Sell
16,000
-2,000
-11% -$79.2K ﹤0.01% 6295
2023
Q3 		$819K Buy
18,000
+9,100
+102% +$471K ﹤0.01% 5492
2023
Q2 		$553K Sell
8,900
-39,200
-81% -$2.42M ﹤0.01% 6161
2023
Q1 		$2.98M Buy
48,100
+5,900
+14% +$353K ﹤0.01% 3155
2022
Q4 		$2.17M Sell
42,200
-24,400
-37% -$1.22M ﹤0.01% 3747
2022
Q3 		$2.96M Buy
66,600
+13,200
+25% +$572K ﹤0.01% 3485
2022
Q2 		$2.01M Buy
53,400
+25,000
+88% +$932K ﹤0.01% 4155
2022
Q1 		$1.15M Buy
28,400
+2,100
+8% +$79.1K ﹤0.01% 5850
2021
Q4 		$1.09M Sell
26,300
-58,800
-69% -$2.38M ﹤0.01% 5724
2021
Q3 		$3.39M Sell
85,100
-47,200
-36% -$1.98M ﹤0.01% 3427
2021
Q2 		$5.29M Sell
132,300
-39,000
-23% -$1.51M ﹤0.01% 2543
2021
Q1 		$7.07M Buy
171,300
+122,400
+250% +$5.36M ﹤0.01% 1943
2020
Q4 		$1.92M Sell
48,900
-900
-2% -$28.3K ﹤0.01% 3558
2020
Q3 		$1.27M Buy
+49,800
New +$1.37M ﹤0.01% 3699

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

Jane Street's IRDM Position: Q1 2026 in Review

Jane Street sold out of Iridium Communications (IRDM) in Q1 2026, closing a stake of 103,282 shares — an estimated $2.33M sold.

Jane Street first reported a position in IRDM in Q2 2013 and held it in 31 quarters. The position peaked at $18.1M in Q1 2021. 380 funds tracked by Wall St. Rank hold IRDM as of Q1 2026.

  • Jane Street reported no remaining Iridium Communications position as of Q1 2026 after selling out during the quarter.
  • Jane Street sold 103,282 Iridium Communications shares in Q1 2026, an estimated $2.33M.
  • Jane Street first reported a position in Iridium Communications in Q2 2013 and held it in 31 quarters.
  • Jane Street's Iridium Communications position peaked at $18.1M in Q1 2021.
  • 380 funds tracked by Wall St. Rank held Iridium Communications as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.