TSS
IRDM icon

Two Sigma Securities’s Iridium Communications IRDM Stock Holding History

Two Sigma Securities’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
2025
Q4 		– Sell
-16,794
Closed -$293K – 1744
2025
Q3 		$293K Sell
16,794
-32
-0.2% -$791 0.04% 598
2025
Q2 		$508K Buy
+16,826
New +$438K 0.06% 420
2023
Q4 		– Sell
-8,495
Closed -$386K – 3405
2023
Q3 		$386K Buy
+8,495
New +$440K 0.02% 1731
2022
Q2 		– Hold
0
– – – 2605
2022
Q1 		– Hold
0
– – – 2379
2018
Q4 		– Sell
-34,011
Closed -$765K – 2554
2018
Q3 		$765K Buy
34,011
+7,718
+29% +$150K 0.11% 1161
2018
Q2 		$423K Buy
+26,293
New +$358K 0.04% 1845
2017
Q1 		– Sell
-19,631
Closed -$188K – 1006
2016
Q4 		$188K Buy
+19,631
New +$175K 0.06% 471

Other funds holding IRDM

BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
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
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $761B AUM 31.28% 1-Year Est. Return
GAM
Gotham Asset Management New York $32.7B AUM 27.65% 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