Alpine Associates Management’s Iridium Communications IRDM Stock Holding History

Alpine Associates 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	$15.9M	Buy	+289,700	New	+$12.4M	0.99%	32

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 $3.37T AUM 44.26% 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

Alpine Associates Management's IRDM Position: Q2 2026 in Review

Alpine Associates Management opened a new position in Iridium Communications (IRDM) in Q2 2026: 289,700 shares worth $15.9M. The stake represents 0.99% of the portfolio and ranks #32 among its holdings.

481 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

Alpine Associates Management held 289,700 shares of Iridium Communications worth $15.9M as of Q2 2026.
Iridium Communications was a new Alpine Associates Management position in Q2 2026.
Iridium Communications made up 0.99% of Alpine Associates Management's portfolio in Q2 2026, its #32 holding.
481 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on Alpine Associates Management's 13F filing for Q2 2026, filed 6 Aug 2026.