IRIDIUM COMMUNICATIONS INC (IRDM) Institutional Ownership

IRDM is currently held by 3 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $52.10M based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.

The largest disclosed holder is ARK Invest, which reported ownership valued at approximately $47.90M in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, ARK Invest's IRDM position is now estimated to be worth approximately $77.79M, representing an estimated gain of +62.40% since the filing period.

Major shareholders tracked on this page include ARK Invest, Renaissance Technologies LLC, Cullen Value Fund, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.

This page tracks 13F-reported ownership trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward IRIDIUM COMMUNICATIONS INC (IRDM).

Institutional Ownership Trend

Portfolio quarterInstitutional holdersTotal reported valueTotal shares
Q1 20263$52,098,6861,878,107
Q4 20252$50,013,9712,874,931
Q3 20252$113,851,4226,518,580
Q2 20252$161,835,5835,364,123
Q1 20253$142,602,5535,219,713
Q4 20243$74,215,1042,557,378
Q3 20243$77,029,7912,529,714
Q2 20243$73,846,3922,774,094
Q1 20243$68,217,0063,185,057
Q4 20233$91,051,3892,775,368
Q3 20232$87,577,2482,343,578
Q2 20232$96,191,8821,986,945