Illinois Municipal Retirement Fund’s Iridium Communications IRDM Stock Holding History

Illinois Municipal Retirement Fund’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	$3.45M	Buy	62,977 +11,385	+22%	+$487K	0.04%	467
2026 Q1	$1.43M	Buy	+51,592	New	+$1.16M	0.02%	712
2024 Q1	–	Sell	-13,861	Closed	-$571K	–	1376
2023 Q4	$571K	Hold	13,861	–	–	0.01%	1177
2023 Q3	$631K	Hold	13,861	–	–	0.01%	1076
2023 Q2	$861K	Hold	13,861	–	–	0.02%	681
2023 Q1	$858K	Buy	+13,861	New	+$830K	0.02%	656

Other funds holding IRDM

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

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

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

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 Austin, Texas $552B AUM 44.19% 1-Year Est. Return

VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

Illinois Municipal Retirement Fund's IRDM Position: Q2 2026 in Review

Illinois Municipal Retirement Fund increased its Iridium Communications (IRDM) stake by 22% in Q2 2026, buying an estimated $487K and bringing the position to 62,977 shares worth $3.45M. The position accounts for 0.04% of the portfolio, ranked #467.

Illinois Municipal Retirement Fund first reported a position in IRDM in Q1 2023 and has held it in 6 quarters since. 484 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

Illinois Municipal Retirement Fund held 62,977 shares of Iridium Communications worth $3.45M as of Q2 2026.
Illinois Municipal Retirement Fund bought 11,385 Iridium Communications shares in Q2 2026, an estimated $487K.
Iridium Communications made up 0.04% of Illinois Municipal Retirement Fund's portfolio in Q2 2026, its #467 holding.
Illinois Municipal Retirement Fund first reported a position in Iridium Communications in Q1 2023 and has held it in 6 quarters since.
484 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on Illinois Municipal Retirement Fund's 13F filing for Q2 2026, filed 12 Aug 2026.