Sumitomo Mitsui Trust Group
IRDM icon

Sumitomo Mitsui Trust Group’s Iridium Communications IRDM Stock Holding History

Sumitomo Mitsui Trust 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
Q2 		$32.2M Sell
587,179
-204,594
-26% -$8.75M 0.02% 557
2026
Q1 		$22M Sell
791,773
-378,479
-32% -$8.52M 0.01% 612
2025
Q4 		$20.3M Sell
1,170,252
-3,173,418
-73% -$56.1M 0.01% 636
2025
Q3 		$75.8M Buy
4,343,670
+27,907
+0.6% +$690K 0.04% 359
2025
Q2 		$130M Buy
4,315,763
+422,618
+11% +$11M 0.08% 230
2025
Q1 		$106M Buy
3,893,145
+1,064,093
+38% +$31.2M 0.08% 254
2024
Q4 		$82.1M Buy
2,829,052
+320,506
+13% +$9.53M 0.06% 325
2024
Q3 		$76.4M Buy
2,508,546
+33,074
+1% +$901K 0.05% 346
2024
Q2 		$65.9M Buy
2,475,472
+385,872
+18% +$10.9M 0.05% 366
2024
Q1 		$54.7M Buy
2,089,600
+346,118
+20% +$11.3M 0.04% 461
2023
Q4 		$71.8M Buy
1,743,482
+539,909
+45% +$21.4M 0.05% 368
2023
Q3 		$54.8M Buy
1,203,573
+267,676
+29% +$13.9M 0.04% 421
2023
Q2 		$58.1M Buy
935,897
+232,561
+33% +$14.4M 0.05% 422
2023
Q1 		$43.6M Sell
703,336
-8,188
-1% -$490K 0.03% 542
2022
Q4 		$36.6M Sell
711,524
-142,496
-17% -$7.15M 0.03% 579
2022
Q3 		$37.9M Sell
854,020
-988,651
-54% -$42.9M 0.03% 559
2022
Q2 		$69.2M Buy
1,842,671
+74,577
+4% +$2.78M 0.05% 400
2022
Q1 		$71.3M Sell
1,768,094
-2,507,467
-59% -$94.4M 0.05% 427
2021
Q4 		$177M Sell
4,275,561
-292,503
-6% -$11.8M 0.11% 205
2021
Q3 		$182M Buy
4,568,064
+110,102
+2% +$4.62M 0.11% 196
2021
Q2 		$178M Buy
4,457,962
+1,791,324
+67% +$69.6M 0.11% 216
2021
Q1 		$110M Buy
2,666,638
+554,576
+26% +$24.3M 0.07% 325
2020
Q4 		$83.1M Buy
2,112,062
+252,799
+14% +$7.94M 0.05% 376
2020
Q3 		$47.6M Sell
1,859,263
-279,416
-13% -$7.69M 0.03% 497
2020
Q2 		$54.4M Buy
2,138,679
+834,284
+64% +$19.6M 0.04% 470
2020
Q1 		$29.1M Buy
1,304,395
+1,271,556
+3,872% +$32.9M 0.03% 570
2019
Q4 		$809K Sell
32,839
-260
-0.8% -$6.23K ﹤0.01% 978
2019
Q3 		$704K Buy
33,099
+1,822
+6% +$43.4K ﹤0.01% 974
2019
Q2 		$728K Buy
31,277
+616
+2% +$15.3K ﹤0.01% 906
2019
Q1 		$811K Buy
+30,661
New +$660K ﹤0.01% 857

Other funds holding IRDM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 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
SHCM
Silver Heights Capital Management Toronto, Ontario, Canada $324M AUM 55.4% 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
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

Sumitomo Mitsui Trust Group's IRDM Position: Q2 2026 in Review

Sumitomo Mitsui Trust Group reduced its Iridium Communications (IRDM) stake by 26% in Q2 2026, selling an estimated $8.75M and leaving 587,179 shares worth $32.2M. The position accounts for 0.02% of the portfolio, ranked #557.

Sumitomo Mitsui Trust Group first reported a position in IRDM in Q1 2019 and has held it in 30 quarters since. The position peaked at $182M in Q3 2021. 482 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

  • Sumitomo Mitsui Trust Group held 587,179 shares of Iridium Communications worth $32.2M as of Q2 2026.
  • Sumitomo Mitsui Trust Group sold 204,594 Iridium Communications shares in Q2 2026, an estimated $8.75M.
  • Iridium Communications made up 0.02% of Sumitomo Mitsui Trust Group's portfolio in Q2 2026, its #557 holding.
  • Sumitomo Mitsui Trust Group first reported a position in Iridium Communications in Q1 2019 and has held it in 30 quarters since.
  • Sumitomo Mitsui Trust Group's Iridium Communications position peaked at $182M in Q3 2021.
  • 482 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on Sumitomo Mitsui Trust Group's 13F filing for Q2 2026, filed 30 Jul 2026.