NMIMC
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Northwestern Mutual Investment Management Company’s Iridium Communications IRDM Stock Holding History

Northwestern Mutual Investment Management Company’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
-23,653
Closed -$413K – 882
2025
Q3 		$413K Sell
23,653
-496
-2% -$12.3K 0.01% 803
2025
Q2 		$729K Sell
24,149
-51
-0.2% -$1.33K 0.01% 667
2025
Q1 		$661K Sell
24,200
-1,102
-4% -$32.3K 0.01% 687
2024
Q4 		$734K Sell
25,302
-963
-4% -$28.6K 0.02% 667
2024
Q3 		$800K Sell
26,265
-837
-3% -$22.8K 0.02% 644
2024
Q2 		$721K Sell
27,102
-522
-2% -$14.7K 0.02% 652
2024
Q1 		$723K Buy
27,624
+71
+0.3% +$2.31K 0.02% 654
2023
Q4 		$1.13M Sell
27,553
-181
-0.7% -$7.17K 0.03% 455
2023
Q3 		$1.26M Sell
27,734
-251
-0.9% -$13K 0.03% 348
2023
Q2 		$1.74M Buy
27,985
+111
+0.4% +$6.87K 0.05% 212
2023
Q1 		$1.73M Buy
27,874
+16,247
+140% +$972K 0.04% 199
2022
Q4 		$598K Sell
11,627
-6,711
-37% -$337K 0.02% 418
2022
Q3 		$814K Sell
18,338
-3,086
-14% -$134K 0.02% 386
2022
Q2 		$805K Sell
21,424
-533
-2% -$19.9K 0.02% 476
2022
Q1 		$885K Buy
21,957
+42
+0.2% +$1.58K 0.02% 515
2021
Q4 		$905K Buy
21,915
+121
+0.6% +$4.89K 0.02% 564
2021
Q3 		$868K Buy
21,794
+2,231
+11% +$93.6K 0.02% 553
2021
Q2 		$782K Sell
19,563
-148
-0.8% -$5.75K 0.01% 622
2021
Q1 		$813K Buy
+19,711
New +$863K 0.01% 568

Other funds holding IRDM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
SHCM
Silver Heights Capital Management Toronto, Ontario, Canada $260M AUM 6.93% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
GAM
Gotham Asset Management New York $32.7B AUM 27.65% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Northwestern Mutual Investment Management Company's IRDM Position: Q4 2025 in Review

Northwestern Mutual Investment Management Company sold out of Iridium Communications (IRDM) in Q4 2025, closing a stake of 23,653 shares — an estimated $413K sold.

Northwestern Mutual Investment Management Company first reported a position in IRDM in Q1 2021 and held it in 19 quarters. The position peaked at $1.74M in Q2 2023. 325 funds tracked by Wall St. Rank hold IRDM as of Q4 2025.

  • Northwestern Mutual Investment Management Company reported no remaining Iridium Communications position as of Q4 2025 after selling out during the quarter.
  • Northwestern Mutual Investment Management Company sold 23,653 Iridium Communications shares in Q4 2025, an estimated $413K.
  • Northwestern Mutual Investment Management Company first reported a position in Iridium Communications in Q1 2021 and held it in 19 quarters.
  • Northwestern Mutual Investment Management Company's Iridium Communications position peaked at $1.74M in Q2 2023.
  • 325 funds tracked by Wall St. Rank held Iridium Communications as of Q4 2025.

Based on Northwestern Mutual Investment Management Company's 13F filing for Q4 2025, filed 5 Feb 2026.