Hillsdale Investment Management’s Iridium Communications IRDM Stock Holding History

Hillsdale Investment 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
2025 Q4	–	Sell	-700	Closed	-$12.2K	–	712
2025 Q3	$12.2K	Buy	+700	New	+$17.3K	﹤0.01%	533
2025 Q2	–	Sell	-19,900	Closed	-$544K	–	667
2025 Q1	$544K	Buy	+19,900	New	+$583K	0.03%	350
2024 Q2	–	Sell	-450	Closed	-$11.8K	–	636
2024 Q1	$11.8K	Buy	+450	New	+$14.6K	﹤0.01%	478
2023 Q2	–	Sell	-13,700	Closed	-$848K	–	601
2023 Q1	$848K	Hold	13,700	–	–	0.07%	197
2022 Q4	$704K	Sell	13,700 -3,500	-20%	-$176K	0.06%	235
2022 Q3	$763K	Sell	17,200 -5,000	-23%	-$217K	0.07%	205
2022 Q2	$834K	Buy	+22,200	New	+$828K	0.07%	203
2021 Q2	–	Sell	-25,500	Closed	-$1.05M	–	613
2021 Q1	$1.05M	Sell	25,500 -8,000	-24%	-$350K	0.09%	242
2020 Q4	$1.32M	Sell	33,500 -1,000	-3%	-$31.4K	0.13%	166
2020 Q3	$883K	Buy	34,500 +2,000	+6%	+$55K	0.09%	207
2020 Q2	$827K	Buy	+32,500	New	+$762K	0.08%	205

Other funds holding IRDM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

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 Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

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

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Hillsdale Investment Management's IRDM Position: Q4 2025 in Review

Hillsdale Investment Management sold out of Iridium Communications (IRDM) in Q4 2025, closing a stake of 700 shares — an estimated $12.2K sold.

Hillsdale Investment Management first reported a position in IRDM in Q2 2020 and held it in 11 quarters. The position peaked at $1.32M in Q4 2020. 325 funds tracked by Wall St. Rank hold IRDM as of Q4 2025.

Hillsdale Investment Management reported no remaining Iridium Communications position as of Q4 2025 after selling out during the quarter.
Hillsdale Investment Management sold 700 Iridium Communications shares in Q4 2025, an estimated $12.2K.
Hillsdale Investment Management first reported a position in Iridium Communications in Q2 2020 and held it in 11 quarters.
Hillsdale Investment Management's Iridium Communications position peaked at $1.32M in Q4 2020.
325 funds tracked by Wall St. Rank held Iridium Communications as of Q4 2025.

Based on Hillsdale Investment Management's 13F filing for Q4 2025, filed 10 Feb 2026.