YIH
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Y-Intercept (HK)’s Iridium Communications IRDM Stock Holding History

Y-Intercept (HK)’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
-21,122
Closed -$367K – 1793
2025
Q4 		$367K Sell
21,122
-324,104
-94% -$5.73M 0.01% 1322
2025
Q3 		$6.03M Buy
345,226
+331,738
+2,460% +$8.2M 0.14% 156
2025
Q2 		$407K Buy
+13,488
New +$351K 0.01% 1267
2025
Q1 		– Sell
-32,793
Closed -$952K – 1404
2024
Q4 		$952K Buy
32,793
+8,142
+33% +$242K 0.06% 448
2024
Q3 		$751K Sell
24,651
-42,706
-63% -$1.16M 0.05% 571
2024
Q2 		$1.79M Sell
67,357
-23,516
-26% -$662K 0.1% 275
2024
Q1 		$2.38M Buy
+90,873
New +$2.96M 0.18% 134
2023
Q4 		– Sell
-8,112
Closed -$369K – 1432
2023
Q3 		$369K Sell
8,112
-2,105
-21% -$109K 0.04% 677
2023
Q2 		$635K Buy
+10,217
New +$632K 0.07% 469

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

Y-Intercept (HK)'s IRDM Position: Q1 2026 in Review

Y-Intercept (HK) sold out of Iridium Communications (IRDM) in Q1 2026, closing a stake of 21,122 shares — an estimated $367K sold.

Y-Intercept (HK) first reported a position in IRDM in Q2 2023 and held it in 9 quarters. The position peaked at $6.03M in Q3 2025. 382 funds tracked by Wall St. Rank hold IRDM as of Q1 2026.

  • Y-Intercept (HK) reported no remaining Iridium Communications position as of Q1 2026 after selling out during the quarter.
  • Y-Intercept (HK) sold 21,122 Iridium Communications shares in Q1 2026, an estimated $367K.
  • Y-Intercept (HK) first reported a position in Iridium Communications in Q2 2023 and held it in 9 quarters.
  • Y-Intercept (HK)'s Iridium Communications position peaked at $6.03M in Q3 2025.
  • 382 funds tracked by Wall St. Rank held Iridium Communications as of Q1 2026.

Based on Y-Intercept (HK)'s 13F filing for Q1 2026, filed 27 Apr 2026.