Sciencast Management’s Iridium Communications IRDM Stock Holding History

Sciencast Management’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	$830K	Buy	+15,139	New	+$647K	0.17%	161
2025 Q2	–	Sell	-50,389	Closed	-$1.38M	–	313
2025 Q1	$1.38M	Buy	+50,389	New	+$1.48M	0.32%	130
2024 Q4	–	Sell	-12,899	Closed	-$393K	–	313
2024 Q3	$393K	Buy	12,899 +4,234	+49%	+$115K	0.12%	196
2024 Q2	$231K	Buy	+8,665	New	+$244K	0.08%	214
2022 Q2	–	Sell	-7,000	Closed	-$288K	–	519
2022 Q1	$288K	Sell	7,000 -2,414	-26%	-$90.9K	0.07%	312
2021 Q4	$373K	Buy	+9,414	New	+$380K	0.07%	345
2021 Q3	–	Sell	-5,240	Closed	-$207K	–	492
2021 Q2	$207K	Buy	+5,240	New	+$204K	0.04%	440

Other funds holding IRDM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

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 Austin, Texas $552B AUM 44.19% 1-Year Est. Return

VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

Sciencast Management's IRDM Position: Q2 2026 in Review

Sciencast Management opened a new position in Iridium Communications (IRDM) in Q2 2026: 15,139 shares worth $830K. The stake represents 0.17% of the portfolio and ranks #161 among its holdings. This is a return to the name: Sciencast Management previously reported a position in IRDM as recently as Q1 2025.

Sciencast Management first reported a position in IRDM in Q2 2021 and has held it in 7 quarters since. The position peaked at $1.38M in Q1 2025. 484 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

Sciencast Management held 15,139 shares of Iridium Communications worth $830K as of Q2 2026.
Iridium Communications was a new Sciencast Management position in Q2 2026.
Iridium Communications made up 0.17% of Sciencast Management's portfolio in Q2 2026, its #161 holding.
Sciencast Management first reported a position in Iridium Communications in Q2 2021 and has held it in 7 quarters since.
Sciencast Management's Iridium Communications position peaked at $1.38M in Q1 2025.
484 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on Sciencast Management's 13F filing for Q2 2026, filed 28 Jul 2026.