Holocene Advisors
IRDM icon

Holocene Advisors’s Iridium Communications IRDM Stock Holding History

Holocene Advisors’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 		$4.14M Buy
149,354
+8,219
+6% +$185K 0.01% 442
2025
Q4 		$2.45M Buy
141,135
+4,357
+3% +$77K 0.01% 478
2025
Q3 		$2.39M Buy
136,778
+76,499
+127% +$1.89M 0.01% 502
2025
Q2 		$1.82M Sell
60,279
-9,279
-13% -$241K ﹤0.01% 580
2025
Q1 		$1.9M Sell
69,558
-56,872
-45% -$1.67M 0.01% 548
2024
Q4 		$3.67M Buy
126,430
+2,295
+2% +$68.3K 0.01% 452
2024
Q3 		$3.78M Buy
124,135
+45,085
+57% +$1.23M 0.02% 423
2024
Q2 		$2.1M Sell
79,050
-84,250
-52% -$2.37M 0.01% 508
2024
Q1 		$4.27M Buy
+163,300
New +$5.31M 0.02% 430
2022
Q2 		– Sell
-33,655
Closed -$1.36M – 910
2022
Q1 		$1.36M Buy
+33,655
New +$1.27M 0.01% 627

Other funds holding IRDM

BlackRock
BlackRock New York $5.7T 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