Citadel Advisors’s Iridium Communications IRDM Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $1.76M | Sell |
63,573
-1,076,642
| -94% | -$24.2M | ﹤0.01% | 6347 |
|
|
2025
Q4 | $19.8M | Sell |
1,140,215
-509,628
| -31% | -$9.01M | ﹤0.01% | 2351 |
|
|
2025
Q3 | $28.8M | Buy |
1,649,843
+437,009
| +36% | +$10.8M | ﹤0.01% | 1915 |
|
|
2025
Q2 | $36.6M | Buy |
1,212,834
+797,486
| +192% | +$20.7M | 0.01% | 1506 |
|
|
2025
Q1 | $11.3M | Buy |
415,348
+116,585
| +39% | +$3.42M | ﹤0.01% | 2690 |
|
|
2024
Q4 | $8.67M | Sell |
298,763
-22,733
| -7% | -$676K | ﹤0.01% | 3167 |
|
|
2024
Q3 | $9.79M | Sell |
321,496
-282,721
| -47% | -$7.7M | ﹤0.01% | 2931 |
|
|
2024
Q2 | $16.1M | Sell |
604,217
-1,271,444
| -68% | -$35.8M | ﹤0.01% | 2228 |
|
|
2024
Q1 | $49.1M | Buy |
1,875,661
+1,865,127
| +17,706% | +$60.7M | 0.01% | 1227 |
|
|
2023
Q4 | $434K | Sell |
10,534
-424,700
| -98% | -$16.8M | ﹤0.01% | 8410 |
|
|
2023
Q3 | $19.8M | Sell |
435,234
-567,531
| -57% | -$29.4M | ﹤0.01% | 1873 |
|
|
2023
Q2 | $62.3M | Sell |
1,002,765
-233,388
| -19% | -$14.4M | 0.01% | 889 |
|
|
2023
Q1 | $76.6M | Buy |
1,236,153
+957,643
| +344% | +$57.3M | 0.02% | 770 |
|
|
2022
Q4 | $14.3M | Buy |
278,510
+265,348
| +2,016% | +$13.3M | ﹤0.01% | 2355 |
|
|
2022
Q3 | $584K | Sell |
13,162
-155,173
| -92% | -$6.73M | ﹤0.01% | 8126 |
|
|
2022
Q2 | $6.32M | Sell |
168,335
-97,226
| -37% | -$3.63M | ﹤0.01% | 3373 |
|
|
2022
Q1 | $10.7M | Buy |
+265,561
| New | +$10M | ﹤0.01% | 2844 |
|
|
2021
Q4 | – | Sell |
-101,889
| Closed | -$4.12M | – | 14274 |
|
|
2021
Q3 | $4.06M | Buy |
+101,889
| New | +$4.28M | ﹤0.01% | 4712 |
|
|
2021
Q2 | – | Sell |
-26,836
| Closed | -$1.04M | – | 14027 |
|
|
2021
Q1 | $1.11M | Buy |
26,836
+9,050
| +51% | +$396K | ﹤0.01% | 7858 |
|
|
2020
Q4 | $699K | Buy |
+17,786
| New | +$559K | ﹤0.01% | 7503 |
|
|
2020
Q2 | – | Sell |
-47,873
| Closed | -$1.12M | – | 10142 |
|
|
2020
Q1 | $1.07M | Buy |
47,873
+28,654
| +149% | +$742K | ﹤0.01% | 5217 |
|
|
2019
Q4 | $474K | Sell |
19,219
-46,800
| -71% | -$1.12M | ﹤0.01% | 6900 |
|
|
2019
Q3 | $1.41M | Buy |
66,019
+10,294
| +18% | +$245K | ﹤0.01% | 5039 |
|
|
2019
Q2 | $1.3M | Sell |
55,725
-121,052
| -68% | -$3.01M | ﹤0.01% | 5278 |
|
|
2019
Q1 | $4.67M | Buy |
176,777
+84,995
| +93% | +$1.83M | ﹤0.01% | 3096 |
|
|
2018
Q4 | $1.69M | Buy |
+91,782
| New | +$1.88M | ﹤0.01% | 4412 |
|
|
2018
Q2 | – | Sell |
-120,163
| Closed | -$1.63M | – | 9044 |
|
|
2018
Q1 | $1.35M | Buy |
120,163
+95,016
| +378% | +$1.14M | ﹤0.01% | 4337 |
|
|
2017
Q4 | $297K | Sell |
25,147
-10,137
| -29% | -$117K | ﹤0.01% | 6480 |
|
|
2017
Q3 | $363K | Buy |
35,284
+5,766
| +20% | +$59.8K | ﹤0.01% | 5778 |
|
|
2017
Q2 | $327K | Sell |
29,518
-55,984
| -65% | -$585K | ﹤0.01% | 5767 |
|
|
2017
Q1 | $825K | Buy |
+85,502
| New | +$816K | ﹤0.01% | 4281 |
|
|
2016
Q4 | – | Sell |
-119,876
| Closed | -$1.07M | – | 7540 |
|
|
2016
Q3 | $972K | Sell |
119,876
-7,545
| -6% | -$63.3K | ﹤0.01% | 3871 |
|
|
2016
Q2 | $1.13M | Sell |
127,421
-27,887
| -18% | -$229K | ﹤0.01% | 3413 |
|
|
2016
Q1 | $1.22M | Buy |
155,308
+114,416
| +280% | +$822K | ﹤0.01% | 3233 |
|
|
2015
Q4 | $344K | Sell |
40,892
-35,113
| -46% | -$267K | ﹤0.01% | 5023 |
|
|
2015
Q3 | $467K | Buy |
76,005
+71,465
| +1,574% | +$519K | ﹤0.01% | 4898 |
|
|
2015
Q2 | $41K | Buy |
+4,540
| New | +$46.7K | ﹤0.01% | 7790 |
|
|
2015
Q1 | – | Sell |
-22,291
| Closed | -$208K | – | 8675 |
|
|
2014
Q4 | $217K | Sell |
22,291
-57,569
| -72% | -$539K | ﹤0.01% | 5878 |
|
|
2014
Q3 | $707K | Sell |
79,860
-49,330
| -38% | -$428K | ﹤0.01% | 4161 |
|
|
2014
Q2 | $1.09M | Buy |
129,190
+93,195
| +259% | +$701K | ﹤0.01% | 3385 |
|
|
2014
Q1 | $270K | Sell |
35,995
-92,322
| -72% | -$618K | ﹤0.01% | 5142 |
|
|
2013
Q4 | $804K | Buy |
128,317
+4,114
| +3% | +$24.9K | ﹤0.01% | 3450 |
|
|
2013
Q3 | $855K | Buy |
124,203
+81,988
| +194% | +$614K | ﹤0.01% | 3265 |
|
|
2013
Q2 | $328K | Buy |
+42,215
| New | +$297K | ﹤0.01% | 4216 |
|
Other funds holding IRDM
VPM
SHCM
VCM
GAM
Citadel Advisors's IRDM Position: Q1 2026 in Review
Citadel Advisors reduced its Iridium Communications (IRDM) stake by 94% in Q1 2026, selling an estimated $24.2M and leaving 63,573 shares worth $1.76M. The position accounts for ﹤0.01% of the portfolio, ranked #6347.
Citadel Advisors first reported a position in IRDM in Q2 2013 and has held it in 44 quarters since. The position peaked at $76.6M in Q1 2023. 379 funds tracked by Wall St. Rank hold IRDM as of Q1 2026.
- Citadel Advisors held 63,573 shares of Iridium Communications worth $1.76M as of Q1 2026.
- Citadel Advisors sold 1,076,642 Iridium Communications shares in Q1 2026, an estimated $24.2M.
- Iridium Communications made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #6347 holding.
- Citadel Advisors first reported a position in Iridium Communications in Q2 2013 and has held it in 44 quarters since.
- Citadel Advisors's Iridium Communications position peaked at $76.6M in Q1 2023.
- 379 funds tracked by Wall St. Rank held Iridium Communications as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.