Security record · archived quarter
IRDM
Iridium Communications Inc. · Communication Services · Telecommunications Services
110Tracked holders
+1Δ holders
73.07MShares held
$1.27BReported value
+1New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +0.9% ·
share flow +1.8% ·
net new positions +0.9%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 118 | +3 | 67.66M | $3.71B | +11 | −8 |
| Q1 2026 | 118 | +7 | 65.96M | $1.83B | +13 | −6 |
| Q4 2025 | 110 | +1 | 73.07M | $1.27B | +1 | — |
| Q3 2025 | 19 | -1 | 45.20M | $789.23M | +1 | −3 |
| Q2 2025 | 18 | -1 | 39.05M | $1.18B | +1 | −2 |
| Q1 2025 | 16 | +2 | 18.96M | $517.90M | +2 | — |
| Q4 2024 | 14 | 0 | 15.52M | $450.38M | — | — |
| Q3 2024 | 13 | -1 | 12.19M | $371.05M | +1 | −2 |
| Q2 2024 | 14 | — | 12.30M | $327.45M | — | — |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 13.89M | +26.3% | $241.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | The Vanguard Group ✦ (passive) | 10.16M | +7.1% | $176.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | The Vanguard Group ✦ (passive) | 10.16M | +7.1% | $176.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | The Vanguard Group ✦ (passive) | 10.16M | +7.1% | $176.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 22 | The Vanguard Group ✦ (passive) | 10.16M | +7.1% | $176.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 23 | The Vanguard Group ✦ (passive) | 10.16M | +7.1% | $176.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 24 | State Street Global Advisors ✦ (passive) | 4.76M | +18.0% | $82.76M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 25 | American Century Companies Inc | 3.08M | — | $53.51M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | ARK Investment Management ✦ | 2.85M | -56.1% | $49.54M | 0.3% | ▼ Trim | 7 | SEC ↗ |
| 27 | Goldman Sachs Group ✦ | 2.32M | +21.4% | $40.38M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 28 | Goldman Sachs Group ✦ | 2.32M | +21.4% | $40.38M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Gotham Asset Management ✦ | 2.31M | +651.1% | $40.14M | 0.1% | ▲ Add | 7 | SEC ↗ |
| 30 | Dimensional Fund Advisors Lp | 2.09M | — | $36.38M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Dimensional Fund Advisors Lp | 2.09M | — | $36.38M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Dimensional Fund Advisors Lp | 2.09M | — | $36.38M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Dimensional Fund Advisors Lp | 2.09M | — | $36.38M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Dimensional Fund Advisors Lp | 2.09M | — | $36.38M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | Geode Capital Management ✦ (passive) | 1.91M | +12.0% | $33.17M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 36 | Geode Capital Management ✦ (passive) | 1.91M | +12.0% | $33.17M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 37 | Man Group plc | 1.85M | — | $32.18M | 0.1% | n/c | 1 | SEC ↗ |
| 38 | Man Group plc | 1.85M | — | $32.18M | 0.1% | n/c | 1 | SEC ↗ |
| 39 | Morgan Stanley ✦ | 1.80M | -2.3% | $31.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 1.80M | -2.3% | $31.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 1.80M | -2.3% | $31.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 1.80M | -2.3% | $31.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 1.80M | -2.3% | $31.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 1.80M | -2.3% | $31.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 1.80M | -2.3% | $31.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 46 | Morgan Stanley ✦ | 1.80M | -2.3% | $31.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 47 | Morgan Stanley ✦ | 1.80M | -2.3% | $31.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 48 | Morgan Stanley ✦ | 1.80M | -2.3% | $31.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 49 | Morgan Stanley ✦ | 1.80M | -2.3% | $31.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 50 | Pacer Advisors, Inc. | 1.36M | — | $23.61M | 0.1% | n/c | 1 | SEC ↗ |
| 51 | UBS Group AG | 1.27M | — | $22.13M | 0.0% | n/c | 1 | SEC ↗ |
| 52 | UBS Group AG | 1.27M | — | $22.13M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | UBS Group AG | 1.27M | — | $22.13M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Charles Schwab Investment… | 1.21M | — | $20.96M | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Bank of New York Mellon Corp | 1.17M | — | $20.40M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Bank of New York Mellon Corp | 1.17M | — | $20.40M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Bank of New York Mellon Corp | 1.17M | — | $20.40M | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Bank of New York Mellon Corp | 1.17M | — | $20.40M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Bank of New York Mellon Corp | 1.17M | — | $20.40M | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Bank of New York Mellon Corp | 1.17M | — | $20.40M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Bank of New York Mellon Corp | 1.17M | — | $20.40M | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Bank of New York Mellon Corp | 1.17M | — | $20.40M | 0.0% | n/c | 1 | SEC ↗ |
| 63 | Bank of New York Mellon Corp | 1.17M | — | $20.40M | 0.0% | n/c | 1 | SEC ↗ |
| 64 | Bank of New York Mellon Corp | 1.17M | — | $20.40M | 0.0% | n/c | 1 | SEC ↗ |
| 65 | Bank of New York Mellon Corp | 1.17M | — | $20.40M | 0.0% | n/c | 1 | SEC ↗ |
| 66 | Bank of New York Mellon Corp | 1.17M | — | $20.40M | 0.0% | n/c | 1 | SEC ↗ |
| 67 | Sumitomo Mitsui Trust Group, Inc. | 1.17M | — | $20.34M | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Arrowstreet Capital ✦ | 1.16M | +23.2% | $20.08M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 69 | Citadel Advisors ✦ | 1.14M | -30.9% | $19.82M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 70 | Citadel Advisors ✦ | 1.14M | -30.9% | $19.82M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 71 | Millennium Management ✦ | 1.04M | -65.9% | $18.03M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 72 | Invesco Ltd. | 994.21K | — | $17.28M | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Invesco Ltd. | 994.21K | — | $17.28M | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Invesco Ltd. | 994.21K | — | $17.28M | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Invesco Ltd. | 994.21K | — | $17.28M | 0.0% | n/c | 1 | SEC ↗ |
| 76 | Invesco Ltd. | 994.21K | — | $17.28M | 0.0% | n/c | 1 | SEC ↗ |
| 77 | Invesco Ltd. | 994.21K | — | $17.28M | 0.0% | n/c | 1 | SEC ↗ |
| 78 | Barclays Plc | 980.85K | — | $17.05M | 0.0% | n/c | 1 | SEC ↗ |
| 79 | Barclays Plc | 980.85K | — | $17.05M | 0.0% | n/c | 1 | SEC ↗ |
| 80 | Barclays Plc | 980.85K | — | $17.05M | 0.0% | n/c | 1 | SEC ↗ |
| 81 | Northern Trust Corp | 974.40K | — | $16.94M | 0.0% | n/c | 1 | SEC ↗ |
| 82 | Northern Trust Corp | 974.40K | — | $16.94M | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Northern Trust Corp | 974.40K | — | $16.94M | 0.0% | n/c | 1 | SEC ↗ |
| 84 | Northern Trust Corp | 974.40K | — | $16.94M | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Northern Trust Corp | 974.40K | — | $16.94M | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Northern Trust Corp | 974.40K | — | $16.94M | 0.0% | n/c | 1 | SEC ↗ |
| 87 | Northern Trust Corp | 974.40K | — | $16.94M | 0.0% | n/c | 1 | SEC ↗ |
| 88 | Two Sigma Investments ✦ | 700.54K | -5.3% | $12.18M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 89 | Tudor Investment Corp Et Al | 666.05K | — | $11.58M | 0.1% | n/c | 1 | SEC ↗ |
| 90 | Nuveen, LLC | 599.40K | — | $10.42M | 0.0% | n/c | 1 | SEC ↗ |
| 91 | Nuveen, LLC | 599.40K | — | $10.42M | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Nuveen, LLC | 599.40K | — | $10.42M | 0.0% | n/c | 1 | SEC ↗ |
| 93 | JPMorgan Chase ✦ | 546.02K | -55.4% | $9.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 94 | JPMorgan Chase ✦ | 546.02K | -55.4% | $9.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 95 | JPMorgan Chase ✦ | 546.02K | -55.4% | $9.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 96 | JPMorgan Chase ✦ | 546.02K | -55.4% | $9.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 97 | Brown Advisory Inc | 512.35K | — | $8.90M | 0.0% | n/c | 1 | SEC ↗ |
| 98 | Brown Advisory Inc | 512.35K | — | $8.90M | 0.0% | n/c | 1 | SEC ↗ |
| 99 | Qube Research & Technologies Ltd | 506.60K | — | $8.80M | 0.0% | n/c | 1 | SEC ↗ |
| 100 | Principal Financial Group Inc | 497.59K | — | $8.65M | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 376 holders, 88.61M shares, $2.35B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 18
FITZPATRICK THOMAS
Director · 15.05K sh · $740,263
Aug 17
Olson Eric T
Director · 8.00K sh · $404,880
Aug 17
Morgan Kathleen A.
Officer · 32.65K sh · $1.64M
Aug 17
Morgan Kathleen A.
Officer · 544 sh · $27,662
Aug 17
McBride Suzanne E.
Officer, Director · 85.45K sh · $4.30M
Aug 17
Kapalka Timothy
Officer · 13.47K sh · $680,521
Aug 17
Last Timothy James
Officer · 19.02K sh · $957,327
Aug 17
Last Timothy James
Officer · 500 sh · $25,440
Aug 17
FITZPATRICK THOMAS
Director · 209.23K sh · $10.51M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 13
SC 13G — AQR CAPITAL MANAGEMENT LLC
Aug 12
SC 13G/A — Silver Heights Capital Management Inc
Aug 04
SC 13D/A — Baralonco Ltd
9.4% of class · View original SEC filing ↗
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2025 ·
Methodology ·
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