Walleye Trading
IRDM icon

Walleye Trading’s Iridium Communications IRDM Stock Holding History

Walleye Trading’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 		$913K Buy
32,900
+26,900
+448% +$606K ﹤0.01% 2209
2025
Q4 		$104K Buy
6,000
+5,900
+5,900% +$104K ﹤0.01% 3721
2025
Q3 		$1.75K Sell
100
-11,700
-99% -$289K ﹤0.01% 4280
2025
Q2 		$356K Buy
11,800
+11,700
+11,700% +$304K ﹤0.01% 2880
2025
Q1 		$2.73K Sell
100
-500
-83% -$14.7K ﹤0.01% 3922
2024
Q4 		$17.4K Buy
+600
New +$17.8K ﹤0.01% 3967
2024
Q3 		– Sell
-9,100
Closed -$242K – 4329
2024
Q2 		$242K Sell
9,100
-8,400
-48% -$237K ﹤0.01% 2975
2024
Q1 		$458K Sell
17,500
-12,500
-42% -$407K ﹤0.01% 2848
2023
Q4 		$1.23M Sell
30,000
-14,900
-33% -$590K ﹤0.01% 2290
2023
Q3 		$2.04M Buy
44,900
+10,800
+32% +$559K 0.01% 1761
2023
Q2 		$2.12M Buy
34,100
+3,100
+10% +$192K 0.01% 1611
2023
Q1 		$1.92M Buy
31,000
+26,800
+638% +$1.6M ﹤0.01% 1716
2022
Q4 		$216K Buy
4,200
+4,100
+4,100% +$206K ﹤0.01% 3515
2022
Q3 		$4K Buy
+100
New +$4.33K ﹤0.01% 4674
2022
Q1 		– Sell
-12,800
Closed -$529K – 5582
2021
Q4 		$529K Sell
12,800
-13,600
-52% -$549K ﹤0.01% 2912
2021
Q3 		$1.05M Buy
26,400
+5,900
+29% +$248K ﹤0.01% 2149
2021
Q2 		$820K Buy
20,500
+9,500
+86% +$369K ﹤0.01% 2348
2021
Q1 		$454K Buy
11,000
+10,300
+1,471% +$451K ﹤0.01% 2745
2020
Q4 		$28K Sell
700
-21,500
-97% -$676K ﹤0.01% 4332
2020
Q3 		$568K Buy
+22,200
New +$611K ﹤0.01% 2132
2020
Q2 		– Sell
-11,500
Closed -$257K – 4413
2020
Q1 		$257K Buy
11,500
+8,200
+248% +$212K ﹤0.01% 2412
2019
Q4 		$81K Sell
3,300
-1,800
-35% -$43.1K ﹤0.01% 3649
2019
Q3 		$109K Sell
5,100
-1,100
-18% -$26.2K ﹤0.01% 3300
2019
Q2 		$144K Sell
6,200
-36,700
-86% -$914K ﹤0.01% 3146
2019
Q1 		$1.13M Buy
42,900
+32,400
+309% +$697K 0.01% 1539
2018
Q4 		$194K Sell
10,500
-25,400
-71% -$521K ﹤0.01% 3423
2018
Q3 		$808K Buy
35,900
+29,400
+452% +$571K ﹤0.01% 2336
2018
Q2 		$105K Sell
6,500
-19,000
-75% -$258K ﹤0.01% 4022
2018
Q1 		$287K Sell
25,500
-6,400
-20% -$76.6K ﹤0.01% 3176
2017
Q4 		$376 Buy
+31,900
New +$369K ﹤0.01% 2882
2017
Q2 		– Sell
-1,300
Closed -$13 – 4711
2017
Q1 		$13 Buy
+1,300
New +$12.4K ﹤0.01% 4262
2016
Q4 		– Sell
-66,500
Closed -$540K – 4917
2016
Q3 		$540K Buy
66,500
+64,100
+2,671% +$538K ﹤0.01% 2071
2016
Q2 		$22K Buy
2,400
+1,300
+118% +$10.7K ﹤0.01% 4494
2016
Q1 		$9K Sell
1,100
-1,400
-56% -$10.1K ﹤0.01% 4769
2015
Q4 		$21K Sell
2,500
-18,900
-88% -$144K ﹤0.01% 4394
2015
Q3 		$132K Sell
21,400
-1,500
-7% -$10.9K ﹤0.01% 2696
2015
Q2 		$208K Buy
+22,900
New +$235K ﹤0.01% 2437

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

Walleye Trading's IRDM Position: Q1 2026 in Review

Walleye Trading increased its Iridium Communications (IRDM) stake by 17% in Q1 2026, buying an estimated $126K and bringing the position to 37,660 shares worth $1.04M. The position accounts for ﹤0.01% of the portfolio, ranked #2135.

Walleye Trading first reported a position in IRDM in Q2 2015 and has held it in 23 quarters since. 379 funds tracked by Wall St. Rank hold IRDM as of Q1 2026.

  • Walleye Trading held 37,660 shares of Iridium Communications worth $1.04M as of Q1 2026.
  • Walleye Trading bought 5,582 Iridium Communications shares in Q1 2026, an estimated $126K.
  • Iridium Communications made up ﹤0.01% of Walleye Trading's portfolio in Q1 2026, its #2135 holding.
  • Walleye Trading first reported a position in Iridium Communications in Q2 2015 and has held it in 23 quarters since.
  • 379 funds tracked by Wall St. Rank held Iridium Communications as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.