State of Wisconsin Investment Board
IRDM icon

State of Wisconsin Investment Board’s Iridium Communications IRDM Stock Holding History

State of Wisconsin Investment Board’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 		$2.14M Sell
77,203
-2,309
-3% -$52K ﹤0.01% 1381
2025
Q4 		$1.38M Sell
79,512
-92,853
-54% -$1.64M ﹤0.01% 1541
2025
Q3 		$3.01M Buy
172,365
+254
+0.1% +$6.28K 0.01% 1173
2025
Q2 		$5.19M Buy
172,111
+1,054
+0.6% +$27.4K 0.01% 918
2025
Q1 		$4.67M Buy
171,057
+3,073
+2% +$90.1K 0.01% 964
2024
Q4 		$4.87M Buy
167,984
+38,307
+30% +$1.14M 0.01% 964
2024
Q3 		$3.95M Hold
129,677
– – 0.01% 1045
2024
Q2 		$3.45M Sell
129,677
-11,517
-8% -$324K 0.01% 1077
2024
Q1 		$3.69M Sell
141,194
-80,666
-36% -$2.62M 0.01% 1055
2023
Q4 		$9.13M Buy
221,860
+39,233
+21% +$1.55M 0.03% 668
2023
Q3 		$8.31M Buy
182,627
+25,345
+16% +$1.31M 0.03% 661
2023
Q2 		$9.77M Buy
157,282
+3,961
+3% +$245K 0.03% 612
2023
Q1 		$9.5M Buy
153,321
+73,625
+92% +$4.41M 0.03% 616
2022
Q4 		$4.1M Sell
79,696
-7,239
-8% -$363K 0.01% 1052
2022
Q3 		$3.86M Buy
86,935
+8,965
+11% +$389K 0.01% 1071
2022
Q2 		$2.93M Buy
77,970
+28,870
+59% +$1.08M 0.01% 1256
2022
Q1 		$1.98M Buy
+49,100
New +$1.85M ﹤0.01% 1502

Other funds holding IRDM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
SHCM
Silver Heights Capital Management Toronto, Ontario, Canada $260M AUM 6.93% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
GAM
Gotham Asset Management New York $32.7B AUM 27.65% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State of Wisconsin Investment Board's IRDM Position: Q1 2026 in Review

State of Wisconsin Investment Board reduced its Iridium Communications (IRDM) stake by 2.9% in Q1 2026, selling an estimated $52K and leaving 77,203 shares worth $2.14M. The position accounts for ﹤0.01% of the portfolio, ranked #1381.

State of Wisconsin Investment Board first reported a position in IRDM in Q1 2022 and has held it in 17 quarters since. The position peaked at $9.77M in Q2 2023. 380 funds tracked by Wall St. Rank hold IRDM as of Q1 2026.

  • State of Wisconsin Investment Board held 77,203 shares of Iridium Communications worth $2.14M as of Q1 2026.
  • State of Wisconsin Investment Board sold 2,309 Iridium Communications shares in Q1 2026, an estimated $52K.
  • Iridium Communications made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #1381 holding.
  • State of Wisconsin Investment Board first reported a position in Iridium Communications in Q1 2022 and has held it in 17 quarters since.
  • State of Wisconsin Investment Board's Iridium Communications position peaked at $9.77M in Q2 2023.
  • 380 funds tracked by Wall St. Rank held Iridium Communications as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.