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Sittner & Nelson’s Iridium Communications IRDM Stock Holding History

Sittner & Nelson’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 		$12.9K Hold
235
– – ﹤0.01% 423
2026
Q1 		$6.52K Buy
235
+135
+135% +$3.04K ﹤0.01% 460
2025
Q4 		$2K Hold
100
– – ﹤0.01% 482
2025
Q3 		$1.75K Hold
100
– – ﹤0.01% 448
2025
Q2 		$3.02K Hold
100
– – ﹤0.01% 435
2025
Q1 		$2.73K Buy
+100
New +$2.93K ﹤0.01% 427

Other funds holding IRDM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
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
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

Sittner & Nelson's IRDM Position: Q2 2026 in Review

Sittner & Nelson held its Iridium Communications (IRDM) position steady in Q2 2026 at 235 shares worth $12.9K. The position accounts for ﹤0.01% of the portfolio, ranked #423.

Sittner & Nelson first reported a position in IRDM in Q1 2025 and has held it in 6 quarters since. 483 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

  • Sittner & Nelson held 235 shares of Iridium Communications worth $12.9K as of Q2 2026.
  • Sittner & Nelson left its Iridium Communications share count unchanged in Q2 2026.
  • Iridium Communications made up ﹤0.01% of Sittner & Nelson's portfolio in Q2 2026, its #423 holding.
  • Sittner & Nelson first reported a position in Iridium Communications in Q1 2025 and has held it in 6 quarters since.
  • 483 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on Sittner & Nelson's 13F filing for Q2 2026, filed 7 Aug 2026.