Millennium Management’s Iridium Communications IRDM Stock Holding History

Millennium 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
2026 Q1	$13.7M	Sell	494,662 -542,619	-52%	-$12.2M	0.01%	1866
2025 Q4	$18M	Sell	1,037,281 -2,002,450	-66%	-$35.4M	0.01%	1677
2025 Q3	$53.1M	Buy	3,039,731 +2,208,857	+266%	+$54.6M	0.02%	826
2025 Q2	$25.1M	Sell	830,874 -617,015	-43%	-$16M	0.01%	1360
2025 Q1	$39.6M	Buy	1,447,889 +653,201	+82%	+$19.1M	0.02%	936
2024 Q4	$23.1M	Sell	794,688 -205,695	-21%	-$6.12M	0.01%	1400
2024 Q3	$30.5M	Buy	1,000,383 +389,885	+64%	+$10.6M	0.01%	1184
2024 Q2	$16.3M	Sell	610,498 -879,963	-59%	-$24.8M	0.01%	1671
2024 Q1	$39M	Buy	1,490,461 +548,906	+58%	+$17.9M	0.02%	994
2023 Q4	$38.8M	Sell	941,555 -426,798	-31%	-$16.9M	0.02%	980
2023 Q3	$62.2M	Buy	1,368,353 +156,506	+13%	+$8.11M	0.03%	570
2023 Q2	$75.3M	Buy	1,211,847 +768,776	+174%	+$47.6M	0.04%	495
2023 Q1	$27.4M	Buy	443,071 +125,690	+40%	+$7.52M	0.02%	1098
2022 Q4	$16.3M	Sell	317,381 -342,264	-52%	-$17.2M	0.01%	1635
2022 Q3	$29.3M	Buy	659,645 +45,398	+7%	+$1.97M	0.02%	1024
2022 Q2	$23.1M	Sell	614,247 -1,107,363	-64%	-$41.3M	0.01%	1171
2022 Q1	$69.4M	Buy	1,721,610 +1,593,616	+1,245%	+$60M	0.04%	508
2021 Q4	$5.29M	Buy	+127,994	New	+$5.17M	﹤0.01%	2853
2021 Q3	–	Sell	-194,805	Closed	-$7.79M	–	7010
2021 Q2	$7.79M	Buy	194,805 +13,248	+7%	+$515K	﹤0.01%	2206
2021 Q1	$7.49M	Buy	+181,557	New	+$7.95M	0.01%	2113
2020 Q1	–	Sell	-23,043	Closed	-$568K	–	4166
2019 Q4	$568K	Buy	23,043 +13,644	+145%	+$327K	﹤0.01%	3307
2019 Q3	$200K	Sell	9,399 -45,215	-83%	-$1.08M	﹤0.01%	3791
2019 Q2	$1.27M	Buy	+54,614	New	+$1.36M	﹤0.01%	2661
2019 Q1	–	Sell	-28,178	Closed	-$520K	–	4130
2018 Q4	$520K	Buy	+28,178	New	+$578K	﹤0.01%	2943
2018 Q1	–	Sell	-36,643	Closed	-$432K	–	3856
2017 Q4	$432K	Buy	+36,643	New	+$424K	﹤0.01%	3166
2017 Q3	–	Sell	-159,249	Closed	-$1.76M	–	3682
2017 Q2	$1.76M	Buy	159,249 +142,076	+827%	+$1.48M	﹤0.01%	2142
2017 Q1	$166K	Buy	+17,173	New	+$164K	﹤0.01%	3254
2015 Q1	–	Sell	-29,752	Closed	-$290K	–	3835
2014 Q4	$290K	Buy	+29,752	New	+$278K	﹤0.01%	3369
2014 Q2	–	Sell	-11,700	Closed	-$88K	–	3632
2014 Q1	$88K	Sell	11,700 -35,754	-75%	-$239K	﹤0.01%	3319
2013 Q4	$297K	Sell	47,454 -85,292	-64%	-$516K	﹤0.01%	3049
2013 Q3	$913K	Buy	+132,746	New	+$994K	﹤0.01%	2174

Other funds holding IRDM

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

SHCM

Silver Heights Capital Management Toronto, Ontario, Canada $260M AUM 6.93% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

GAM

Gotham Asset Management New York $32.7B AUM 27.65% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Millennium Management's IRDM Position: Q1 2026 in Review

Millennium Management reduced its Iridium Communications (IRDM) stake by 52% in Q1 2026, selling an estimated $12.2M and leaving 494,662 shares worth $13.7M. The position accounts for 0.01% of the portfolio, ranked #1866.

Millennium Management first reported a position in IRDM in Q3 2013 and has held it in 31 quarters since. The position peaked at $75.3M in Q2 2023. 379 funds tracked by Wall St. Rank hold IRDM as of Q1 2026.

Millennium Management held 494,662 shares of Iridium Communications worth $13.7M as of Q1 2026.
Millennium Management sold 542,619 Iridium Communications shares in Q1 2026, an estimated $12.2M.
Iridium Communications made up 0.01% of Millennium Management's portfolio in Q1 2026, its #1866 holding.
Millennium Management first reported a position in Iridium Communications in Q3 2013 and has held it in 31 quarters since.
Millennium Management's Iridium Communications position peaked at $75.3M in Q2 2023.
379 funds tracked by Wall St. Rank held Iridium Communications as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.