JG
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Joel Greenblatt’s Iridium Communications IRDM Stock Holding History

Joel Greenblatt’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 		$138M Sell
2,514,317
-839,654
-25% -$35.9M 0.32% 14
2026
Q1 		$93M Buy
3,353,971
+1,044,221
+45% +$23.5M 0.28% 19
2025
Q4 		$40.1M Buy
2,309,750
+2,002,232
+651% +$35.4M 0.15% 116
2025
Q3 		$5.37M Sell
307,518
-643,681
-68% -$15.9M 0.02% 754
2025
Q2 		$28.7M Buy
951,199
+71,814
+8% +$1.87M 0.17% 76
2025
Q1 		$24M Buy
879,385
+175,992
+25% +$5.16M 0.2% 56
2024
Q4 		$20.4M Buy
703,393
+65,349
+10% +$1.94M 0.19% 78
2024
Q3 		$19.4M Buy
638,044
+113,864
+22% +$3.1M 0.2% 71
2024
Q2 		$14M Buy
524,180
+470,139
+870% +$13.2M 0.18% 80
2024
Q1 		$1.41M Sell
54,041
-119,576
-69% -$3.89M 0.02% 746
2023
Q4 		$7.15M Buy
173,617
+134,603
+345% +$5.33M 0.13% 175
2023
Q3 		$1.77M Sell
39,014
-6,039
-13% -$313K 0.04% 590
2023
Q2 		$2.8M Buy
45,053
+34,591
+331% +$2.14M 0.06% 448
2023
Q1 		$648K Sell
10,462
-923
-8% -$55.2K 0.02% 872
2022
Q4 		$585K Sell
11,385
-2,616
-19% -$131K 0.02% 844
2022
Q3 		$621K Sell
14,001
-8,340
-37% -$361K 0.02% 799
2022
Q2 		$839K Sell
22,341
-12,977
-37% -$484K 0.03% 631
2022
Q1 		$1.42M Sell
35,318
-563
-2% -$21.2K 0.04% 451
2021
Q4 		$1.48M Buy
35,881
+13,113
+58% +$530K 0.05% 435
2021
Q3 		$907K Sell
22,768
-690
-3% -$29K 0.04% 504
2021
Q2 		$938K Sell
23,458
-21,125
-47% -$821K 0.04% 500
2021
Q1 		$1.84M Buy
44,583
+10,446
+31% +$457K 0.08% 314
2020
Q4 		$1.34M Sell
34,137
-40,208
-54% -$1.26M 0.04% 460
2020
Q3 		$1.9M Buy
74,345
+20,174
+37% +$555K 0.06% 368
2020
Q2 		$1.38M Sell
54,171
-29,553
-35% -$693K 0.04% 487
2020
Q1 		$1.87M Sell
83,724
-1,897
-2% -$49.1K 0.05% 421
2019
Q4 		$2.11M Buy
+85,621
New +$2.05M 0.04% 456

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
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
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $39.3B AUM 27.96% 1-Year Est. Return

Joel Greenblatt's IRDM Position: Q2 2026 in Review

Joel Greenblatt reduced its Iridium Communications (IRDM) stake by 25% in Q2 2026, selling an estimated $35.9M and leaving 2,514,317 shares worth $138M. The position accounts for 0.32% of the portfolio, ranked #14.

Joel Greenblatt first reported a position in IRDM in Q4 2019 and has held it in 27 quarters since. 478 funds tracked by Wall St. Rank hold IRDM as of Q2 2026.

  • Joel Greenblatt held 2,514,317 shares of Iridium Communications worth $138M as of Q2 2026.
  • Joel Greenblatt sold 839,654 Iridium Communications shares in Q2 2026, an estimated $35.9M.
  • Iridium Communications made up 0.32% of Joel Greenblatt's portfolio in Q2 2026, its #14 holding.
  • Joel Greenblatt first reported a position in Iridium Communications in Q4 2019 and has held it in 27 quarters since.
  • 478 funds tracked by Wall St. Rank held Iridium Communications as of Q2 2026.

Based on Gotham Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.