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Steve Schonfeld’s Iridium Communications IRDM Stock Holding History

Steve Schonfeld’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
2025
Q4 		– Sell
-80,305
Closed -$1.4M – 2294
2025
Q3 		$1.4M Buy
80,305
+49,738
+163% +$1.23M 0.01% 1215
2025
Q2 		$922K Sell
30,567
-39,694
-56% -$1.03M 0.01% 1330
2025
Q1 		$1.92M Sell
70,261
-8,344
-11% -$245K 0.01% 979
2024
Q4 		$2.28M Buy
78,605
+67,120
+584% +$2M 0.01% 776
2024
Q3 		$350K Sell
11,485
-75,619
-87% -$2.06M ﹤0.01% 1578
2024
Q2 		$2.32M Sell
87,104
-183,005
-68% -$5.15M 0.02% 848
2024
Q1 		$7.07M Buy
270,109
+249,966
+1,241% +$8.13M 0.05% 506
2023
Q4 		$829K Buy
20,143
+14,173
+237% +$561K 0.01% 1099
2023
Q3 		$272K Sell
5,970
-6,370
-52% -$330K ﹤0.01% 1342
2023
Q2 		$767K Sell
12,340
-17,916
-59% -$1.11M 0.01% 1071
2023
Q1 		$1.87M Buy
+30,256
New +$1.81M 0.02% 706
2022
Q1 		– Sell
-24,549
Closed -$1.01M – 2741
2021
Q4 		$1.01M Buy
+24,549
New +$992K 0.01% 930
2021
Q2 		– Sell
-5,700
Closed -$235K – 2114
2021
Q1 		$235K Buy
+5,700
New +$249K ﹤0.01% 1439
2020
Q4 		– Sell
-8,800
Closed -$225K – 1708
2020
Q3 		$225K Buy
+8,800
New +$242K ﹤0.01% 1185

Other funds holding IRDM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
SHCM
Silver Heights Capital Management Toronto, Ontario, Canada $324M AUM 55.4% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Steve Schonfeld's IRDM Position: Q4 2025 in Review

Steve Schonfeld sold out of Iridium Communications (IRDM) in Q4 2025, closing a stake of 80,305 shares — an estimated $1.4M sold.

Steve Schonfeld first reported a position in IRDM in Q3 2020 and held it in 14 quarters. The position peaked at $7.07M in Q1 2024. 325 funds tracked by Wall St. Rank hold IRDM as of Q4 2025.

  • Steve Schonfeld reported no remaining Iridium Communications position as of Q4 2025 after selling out during the quarter.
  • Steve Schonfeld sold 80,305 Iridium Communications shares in Q4 2025, an estimated $1.4M.
  • Steve Schonfeld first reported a position in Iridium Communications in Q3 2020 and held it in 14 quarters.
  • Steve Schonfeld's Iridium Communications position peaked at $7.07M in Q1 2024.
  • 325 funds tracked by Wall St. Rank held Iridium Communications as of Q4 2025.

Based on Schonfeld Strategic Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.