HCA
IRDM icon

Harbour Capital Advisors’s Iridium Communications IRDM Stock Holding History

Harbour Capital 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
2025
Q3 		– Sell
-11,105
Closed -$350K – 292
2025
Q2 		$350K Buy
+11,105
New +$289K 0.07% 222

Other funds holding IRDM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
SHCM
Silver Heights Capital Management Toronto, Ontario, Canada $260M AUM 6.93% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $154B AUM 29.96% 1-Year Est. Return
NAMA
Nikko Asset Management Americas New York $7.07B AUM 50.91% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Harbour Capital Advisors's IRDM Position: Q3 2025 in Review

Harbour Capital Advisors sold out of Iridium Communications (IRDM) in Q3 2025, closing a stake of 11,105 shares — an estimated $350K sold.

Harbour Capital Advisors first reported a position in IRDM in Q2 2025 and held it in 1 quarter. The position peaked at $350K in Q2 2025. 324 funds tracked by Wall St. Rank hold IRDM as of Q3 2025.

  • Harbour Capital Advisors reported no remaining Iridium Communications position as of Q3 2025 after selling out during the quarter.
  • Harbour Capital Advisors sold 11,105 Iridium Communications shares in Q3 2025, an estimated $350K.
  • Harbour Capital Advisors first reported a position in Iridium Communications in Q2 2025 and held it in 1 quarter.
  • Harbour Capital Advisors's Iridium Communications position peaked at $350K in Q2 2025.
  • 324 funds tracked by Wall St. Rank held Iridium Communications as of Q3 2025.

Based on Harbour Capital Advisors's 13F filing for Q3 2025, filed 9 Oct 2025.