Janus Henderson Group
IRDM icon

Janus Henderson Group’s Iridium Communications IRDM Stock Holding History

Janus Henderson Group’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 		$8.51M Buy
306,684
+27,325
+10% +$615K ﹤0.01% 810
2025
Q4 		$4.86M Buy
279,359
+234,620
+524% +$4.15M ﹤0.01% 949
2025
Q3 		$781K Hold
44,739
– – ﹤0.01% 1784
2025
Q2 		$1.35M Sell
44,739
-3,278
-7% -$85.2K ﹤0.01% 1473
2025
Q1 		$1.32M Sell
48,017
-5,711
-11% -$167K ﹤0.01% 1487
2024
Q4 		$1.56M Sell
53,728
-121,949
-69% -$3.63M ﹤0.01% 1446
2024
Q3 		$5.35M Buy
175,677
+123,638
+238% +$3.37M ﹤0.01% 864
2024
Q2 		$1.39M Sell
52,039
-581
-1% -$16.4K ﹤0.01% 1442
2024
Q1 		$1.38M Hold
52,620
– – ﹤0.01% 1471
2023
Q4 		$2.17M Sell
52,620
-94
-0.2% -$3.72K ﹤0.01% 1214
2023
Q3 		$2.4M Buy
52,714
+9
+0% +$466 ﹤0.01% 1085
2023
Q2 		$3.27M Sell
52,705
-60
-0.1% -$3.71K ﹤0.01% 994
2023
Q1 		$3.27M Buy
52,765
+33,654
+176% +$2.01M ﹤0.01% 1024
2022
Q4 		$982K Sell
19,111
-1
-0% -$50 ﹤0.01% 1367
2022
Q3 		$849K Sell
19,112
-3,127
-14% -$136K ﹤0.01% 1362
2022
Q2 		$836K Sell
22,239
-2,285
-9% -$85.2K ﹤0.01% 1439
2022
Q1 		$988K Buy
24,524
+11
+0% +$414 ﹤0.01% 1524
2021
Q4 		$1.01M Buy
24,513
+12,324
+101% +$498K ﹤0.01% 1505
2021
Q3 		$486K Buy
+12,189
New +$512K ﹤0.01% 1631

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

Janus Henderson Group's IRDM Position: Q1 2026 in Review

Janus Henderson Group increased its Iridium Communications (IRDM) stake by 9.8% in Q1 2026, buying an estimated $615K and bringing the position to 306,684 shares worth $8.51M. The position accounts for ﹤0.01% of the portfolio, ranked #810.

Janus Henderson Group first reported a position in IRDM in Q3 2021 and has held it in 19 quarters since. 382 funds tracked by Wall St. Rank hold IRDM as of Q1 2026.

  • Janus Henderson Group held 306,684 shares of Iridium Communications worth $8.51M as of Q1 2026.
  • Janus Henderson Group bought 27,325 Iridium Communications shares in Q1 2026, an estimated $615K.
  • Iridium Communications made up ﹤0.01% of Janus Henderson Group's portfolio in Q1 2026, its #810 holding.
  • Janus Henderson Group first reported a position in Iridium Communications in Q3 2021 and has held it in 19 quarters since.
  • 382 funds tracked by Wall St. Rank held Iridium Communications as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.