Security record · archived quarter
OSG
Octave Specialty Group, Inc. · Financial Services · Insurance - Specialty
15Tracked holders
-1Δ holders
13.08MShares held
$109.08MReported value
+0New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth -6.2% ·
share flow -12.8% ·
net new positions -13.3%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 63 | -1 | 16.53M | $103.10M | +6 | −7 |
| Q1 2026 | 66 | +3 | 17.21M | $80.13M | +9 | −7 |
| Q4 2025 | 64 | +2 | 20.99M | $163.30M | +3 | — |
| Q3 2025 | 15 | -1 | 13.08M | $109.08M | — | −2 |
| Q2 2025 | 14 | -1 | 14.28M | $101.37M | +1 | −2 |
| Q1 2025 | 12 | -1 | 5.14M | $45.01M | — | −1 |
| Q4 2024 | 13 | +1 | 4.89M | $61.81M | +1 | — |
| Q3 2024 | 11 | +1 | 3.82M | $42.83M | +1 | — |
| Q2 2024 | 10 | — | 3.41M | $43.67M | — | — |
Who holds it · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 4.49M | -2.1% | $37.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 4.49M | -2.1% | $37.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 4.49M | -2.1% | $37.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 4.49M | -2.1% | $37.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 4.49M | -2.1% | $37.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 4.49M | -2.1% | $37.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 4.49M | -2.1% | $37.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 4.49M | -2.1% | $37.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 4.49M | -2.1% | $37.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | The Vanguard Group ✦ (passive) | 2.56M | -0.5% | $21.31M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | The Vanguard Group ✦ (passive) | 2.56M | -0.5% | $21.31M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | The Vanguard Group ✦ (passive) | 2.56M | -0.5% | $21.31M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | Fidelity (FMR) ✦ | 1.53M | -0.5% | $12.72M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | Fidelity (FMR) ✦ | 1.53M | -0.5% | $12.72M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | Fidelity (FMR) ✦ | 1.53M | -0.5% | $12.72M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | Geode Capital Management ✦ (passive) | 1.06M | -5.5% | $8.85M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 17 | Geode Capital Management ✦ (passive) | 1.06M | -5.5% | $8.85M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 18 | State Street Global Advisors ✦ (passive) | 967.19K | +0.9% | $8.07M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 19 | Millennium Management ✦ | 700.89K | -29.6% | $5.85M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 20 | Goldman Sachs Group ✦ | 524.89K | — | $4.38M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | Goldman Sachs Group ✦ | 524.89K | — | $4.38M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | Marshall Wace ✦ | 455.07K | -29.8% | $3.80M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 23 | Marshall Wace ✦ | 455.07K | -29.8% | $3.80M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 24 | Morgan Stanley ✦ | 194.12K | — | $1.62M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Morgan Stanley ✦ | 194.12K | — | $1.62M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 194.12K | — | $1.62M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 194.12K | — | $1.62M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | Morgan Stanley ✦ | 194.12K | — | $1.62M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | Morgan Stanley ✦ | 194.12K | — | $1.62M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Morgan Stanley ✦ | 194.12K | — | $1.62M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Morgan Stanley ✦ | 194.12K | — | $1.62M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Citadel Advisors ✦ | 171.54K | -84.7% | $1.43M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 33 | D. E. Shaw & Co. ✦ | 118.72K | -64.6% | $990,167 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 34 | D. E. Shaw & Co. ✦ | 118.72K | -64.6% | $990,167 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 35 | Renaissance Technologies ✦ | 89.20K | -52.1% | $743,928 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 36 | AQR Capital Management ✦ | 82.56K | +60.9% | $688,567 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | AQR Capital Management ✦ | 82.56K | +60.9% | $688,567 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | AQR Capital Management ✦ | 82.56K | +60.9% | $688,567 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 39 | AQR Capital Management ✦ | 82.56K | +60.9% | $688,567 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | T. Rowe Price ✦ | 70.94K | +35.9% | $592,000 | 0.0% | ▲ Add | 6 | SEC ↗ |
| 41 | JPMorgan Chase ✦ | 69.11K | — | $576,378 | 0.0% | n/c | 1 | SEC ↗ |
| 42 | JPMorgan Chase ✦ | 69.11K | — | $576,378 | 0.0% | n/c | 1 | SEC ↗ |
| 43 | JPMorgan Chase ✦ | 69.11K | — | $576,378 | 0.0% | n/c | 1 | SEC ↗ |
| 44 | JPMorgan Chase ✦ | 69.11K | — | $576,378 | 0.0% | n/c | 1 | SEC ↗ |
| 45 | JPMorgan Chase ✦ | 69.11K | — | $576,378 | 0.0% | n/c | 1 | SEC ↗ |
| 46 | JPMorgan Chase ✦ | 69.11K | — | $576,378 | 0.0% | n/c | 1 | SEC ↗ |
| 47 | JPMorgan Chase ✦ | 69.11K | — | $576,378 | 0.0% | n/c | 1 | SEC ↗ |
| 48 | JPMorgan Chase ✦ | 69.11K | — | $576,378 | 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
| Norges Bank | $532,500 | was 0.0% |
| Two Sigma Investments | $311,853 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 147 holders, 32.27M shares, $149.22M 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: Q3 2025 ·
Methodology ·
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