Security record · archived quarter
RBBN
Ribbon Communications Inc. · Technology · Software - Application
9Tracked holders
—Δ holders
3.74MShares held
$12.31MReported value
+0New positions
−0Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 76 | +11 | 109.05M | $244.73M | +11 | — |
| Q1 2026 | 67 | -4 | 105.51M | $217.82M | +8 | −12 |
| Q4 2025 | 71 | 0 | 109.43M | $311.01M | +1 | −1 |
| Q3 2025 | 16 | +1 | 125.31M | $476.18M | +2 | −1 |
| Q2 2025 | 12 | +1 | 21.73M | $87.13M | +1 | — |
| Q1 2025 | 8 | -1 | 5.77M | $22.63M | +1 | −2 |
| Q4 2024 | 9 | +1 | 5.38M | $22.37M | +1 | — |
| Q3 2024 | 7 | -2 | 3.35M | $10.90M | — | −2 |
| Q2 2024 | 9 | — | 3.74M | $12.31M | — | — |
Who holds it · Q2 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 2.07M | — | $6.82M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 2.07M | — | $6.82M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Arrowstreet Capital ✦ | 725.27K | — | $2.39M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | D. E. Shaw & Co. ✦ | 463.53K | — | $1.53M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 235.68K | — | $775,384 | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Renaissance Technologies ✦ | 75.21K | — | $247,447 | 0.0% | n/c | 1 | SEC ↗ |
| 7 | T. Rowe Price ✦ | 57.05K | — | $188,000 | 0.0% | n/c | 1 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 41.76K | — | $137,383 | 0.0% | n/c | 1 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 41.76K | — | $137,383 | 0.0% | n/c | 1 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 41.76K | — | $137,383 | 0.0% | n/c | 1 | SEC ↗ |
| 11 | Millennium Management ✦ | 36.52K | — | $120,144 | 0.0% | n/c | 1 | SEC ↗ |
| 12 | Two Sigma Investments ✦ | 33.81K | — | $111,222 | 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): 148 holders, 77.21M shares, $155.98M 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.
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: Q2 2024 ·
Methodology ·
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