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McDonald Partners’s Iridium Communications IRDM Stock Holding History

McDonald Partners’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 		$1.06M Sell
19,375
-150
-0.8% -$6.41K 0.26% 98
2026
Q1 		$542K Buy
19,525
+1,925
+11% +$43.3K 0.13% 135
2025
Q4 		$306K Sell
17,600
-350
-2% -$6.18K 0.1% 169
2025
Q3 		$313K Hold
17,950
– – 0.09% 188
2025
Q2 		$542K Hold
17,950
– – 0.13% 164
2025
Q1 		$490K Buy
17,950
+725
+4% +$21.2K 0.13% 167
2024
Q4 		$500K Buy
17,225
+200
+1% +$5.95K 0.13% 163
2024
Q3 		$518K Sell
17,025
-900
-5% -$24.5K 0.13% 160
2024
Q2 		$477K Buy
17,925
+700
+4% +$19.7K 0.13% 165
2024
Q1 		$451K Sell
17,225
-325
-2% -$10.6K 0.12% 177
2023
Q4 		$722K Sell
17,550
-700
-4% -$27.7K 0.21% 127
2023
Q3 		$830K Buy
18,250
+1,150
+7% +$59.6K 0.27% 105
2023
Q2 		$1.06M Buy
17,100
+12,525
+274% +$775K 0.32% 89
2023
Q1 		$283K Buy
+4,575
New +$274K 0.09% 197

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

McDonald Partners's IRDM Position: Q2 2026 in Review

McDonald Partners reduced its Iridium Communications (IRDM) stake by 0.77% in Q2 2026, selling an estimated $6.41K and leaving 19,375 shares worth $1.06M. The position accounts for 0.26% of the portfolio, ranked #98.

McDonald Partners first reported a position in IRDM in Q1 2023 and has held it in 14 quarters since. 483 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

  • McDonald Partners held 19,375 shares of Iridium Communications worth $1.06M as of Q2 2026.
  • McDonald Partners sold 150 Iridium Communications shares in Q2 2026, an estimated $6.41K.
  • Iridium Communications made up 0.26% of McDonald Partners's portfolio in Q2 2026, its #98 holding.
  • McDonald Partners first reported a position in Iridium Communications in Q1 2023 and has held it in 14 quarters since.
  • 483 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on McDonald Partners's 13F filing for Q2 2026, filed 28 Jul 2026.