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Scientech Research LLC’s Iridium Communications IRDM Stock Holding History

Scientech Research LLC’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
Q4 		– Sell
-19,549
Closed -$341K – 645
2025
Q3 		$341K Buy
19,549
+3,640
+23% +$89.9K 0.12% 344
2025
Q2 		$480K Sell
15,909
-10,107
-39% -$263K 0.12% 351
2025
Q1 		$711K Buy
+26,016
New +$762K 0.19% 249
2024
Q4 		– Sell
-8,372
Closed -$255K – 715
2024
Q3 		$255K Sell
8,372
-17,006
-67% -$463K 0.05% 514
2024
Q2 		$676K Buy
25,378
+16,130
+174% +$454K 0.14% 259
2024
Q1 		$242K Buy
9,248
+2,736
+42% +$89K 0.13% 337
2023
Q4 		$268K Buy
+6,512
New +$258K 0.27% 144

Other funds holding IRDM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
SHCM
Silver Heights Capital Management Toronto, Ontario, Canada $324M AUM 55.4% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Scientech Research LLC's IRDM Position: Q4 2025 in Review

Scientech Research LLC sold out of Iridium Communications (IRDM) in Q4 2025, closing a stake of 19,549 shares — an estimated $341K sold.

Scientech Research LLC first reported a position in IRDM in Q4 2023 and held it in 7 quarters. The position peaked at $711K in Q1 2025. 325 funds tracked by Wall St. Rank hold IRDM as of Q4 2025.

  • Scientech Research LLC reported no remaining Iridium Communications position as of Q4 2025 after selling out during the quarter.
  • Scientech Research LLC sold 19,549 Iridium Communications shares in Q4 2025, an estimated $341K.
  • Scientech Research LLC first reported a position in Iridium Communications in Q4 2023 and held it in 7 quarters.
  • Scientech Research LLC's Iridium Communications position peaked at $711K in Q1 2025.
  • 325 funds tracked by Wall St. Rank held Iridium Communications as of Q4 2025.

Based on Scientech Research LLC's 13F filing for Q4 2025, filed 17 Feb 2026.