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Dark Forest Capital Management’s Iridium Communications IRDM Stock Holding History

Dark Forest Capital Management’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 		– Sell
-248,011
Closed -$4.31M – 963
2025
Q4 		$4.31M Sell
248,011
-70,688
-22% -$1.25M 0.2% 131
2025
Q3 		$5.56M Buy
318,699
+254,425
+396% +$6.29M 0.21% 100
2025
Q2 		$1.94M Sell
64,274
-26
-0% -$676 0.08% 457
2025
Q1 		$1.76M Buy
64,300
+53,487
+495% +$1.57M 0.08% 434
2024
Q4 		$314K Sell
10,813
-5,873
-35% -$175K 0.05% 645
2024
Q3 		$508K Sell
16,686
-2,800
-14% -$76.3K 0.06% 381
2024
Q2 		$519K Buy
+19,486
New +$549K 0.1% 270
2023
Q1 		– Sell
-560
Closed -$28.8K – 1323
2022
Q4 		$28.8K Buy
+560
New +$28.1K 0.01% 495
2021
Q4 		– Sell
-324
Closed -$13K – 1596
2021
Q3 		$13K Buy
+324
New +$13.6K ﹤0.01% 929

Other funds holding IRDM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
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
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
GAM
Gotham Asset Management New York $43B AUM 34.97% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 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

Dark Forest Capital Management's IRDM Position: Q1 2026 in Review

Dark Forest Capital Management sold out of Iridium Communications (IRDM) in Q1 2026, closing a stake of 248,011 shares — an estimated $4.31M sold.

Dark Forest Capital Management first reported a position in IRDM in Q3 2021 and held it in 9 quarters. The position peaked at $5.56M in Q3 2025. 382 funds tracked by Wall St. Rank hold IRDM as of Q1 2026.

  • Dark Forest Capital Management reported no remaining Iridium Communications position as of Q1 2026 after selling out during the quarter.
  • Dark Forest Capital Management sold 248,011 Iridium Communications shares in Q1 2026, an estimated $4.31M.
  • Dark Forest Capital Management first reported a position in Iridium Communications in Q3 2021 and held it in 9 quarters.
  • Dark Forest Capital Management's Iridium Communications position peaked at $5.56M in Q3 2025.
  • 382 funds tracked by Wall St. Rank held Iridium Communications as of Q1 2026.

Based on Dark Forest Capital Management's 13F filing for Q1 2026, filed 15 May 2026.