Security record · archived quarter
OSG
Octave Specialty Group, Inc. · Financial Services · Insurance - Specialty
66Tracked holders
+3Δ holders
17.21MShares held
$80.13MReported value
+9New positions
−7Exits
Momentum inputs (comparable managers):
holder breadth +4.8% ·
share flow -15.5% ·
net new positions +3.0%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
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 · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.92M | -12.7% | $18.22M | 0.0% | ▼ Trim | 4 | SEC ↗ ×11 |
| 2 | Vanguard Capital Management Llc | 1.95M | — | $9.04M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Dimensional Fund Advisors Lp | 1.31M | -22.3% | $6.09M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 4 | Marshall Wace ✦ | 1.07M | +42.3% | $4.95M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 5 | Geode Capital Management ✦ (passive) | 1.02M | -0.2% | $4.76M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 6 | State Street Global Advisors ✦ (passive) | 941.40K | -0.2% | $4.38M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 7 | Nuveen, LLC | 800.25K | -1.2% | $3.72M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 8 | Jane Street Group, Llc | 764.38K | -49.7% | $3.55M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 9 | Citadel Advisors ✦ | 431.81K | +50.3% | $2.01M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 10 | Susquehanna International Group, Llp | 390.19K | -25.9% | $1.81M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | Goldman Sachs Group ✦ | 346.29K | -55.6% | $1.61M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 12 | Northern Trust Corp | 322.35K | -0.2% | $1.50M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 13 | Charles Schwab Investment… | 295.34K | -18.3% | $1.37M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | JPMorgan Chase ✦ | 268.43K | +75.8% | $1.24M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 15 | UBS Group AG | 264.28K | +71.8% | $1.23M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | Bank Of America Corp /De/ | 256.11K | -22.6% | $1.19M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 17 | Morgan Stanley ✦ | 235.25K | -74.9% | $1.09M | 0.0% | ▼ Trim | 3 | SEC ↗ ×6 |
| 18 | Renaissance Technologies ✦ | 227.73K | +805.2% | $1.06M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 19 | Russell Investments Group, Ltd. | 181.27K | -47.6% | $842,911 | 0.0% | ▼ Trim | 2 | SEC ↗ ×7 |
| 20 | Tudor Investment Corp Et Al | 159.96K | New | $743,828 | 0.0% | New | 1 | SEC ↗ |
| 21 | Sei Investments Co | 156.08K | +133.9% | $725,774 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 22 | Invesco Ltd. | 151.04K | -3.5% | $702,345 | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 23 | Connor, Clark & Lunn Investment… | 144.30K | +109.8% | $671,000 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 24 | Millennium Management ✦ | 135.09K | -55.5% | $628,159 | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 25 | Bank of New York Mellon Corp | 130.47K | -5.6% | $606,688 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 26 | American Century Companies Inc | 120.54K | -2.5% | $560,511 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 27 | Ameriprise Financial Inc | 115.05K | New | $534,959 | 0.0% | New | 1 | SEC ↗ ×2 |
| 28 | Point72 Asset Management ✦ | 113.66K | +9.8% | $528,500 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Hsbc Holdings Plc | 102.43K | -44.4% | $476,300 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 30 | T. Rowe Price ✦ | 101.97K | +43.7% | $475,000 | 0.0% | ▲ Add | 8 | SEC ↗ |
| 31 | Squarepoint Ops LLC | 76.91K | New | $357,618 | 0.0% | New | 1 | SEC ↗ |
| 32 | Prudential Financial Inc | 70.11K | +29.0% | $326,012 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | Alliancebernstein L.P. | 37.53K | 0.0% | $291,983 | 0.0% | Held | 2 | SEC ↗ |
| 34 | Barclays Plc | 56.97K | -91.6% | $264,906 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 35 | Wells Fargo & Company/Mn | 55.32K | -35.5% | $257,255 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 36 | Rhumbline Advisers | 53.55K | -6.8% | $248,985 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 37 | Hrt Financial Lp | 50.97K | -63.5% | $237,000 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 38 | AQR Capital Management ✦ | 49.83K | -28.9% | $231,700 | 0.0% | ▼ Trim | 4 | SEC ↗ ×5 |
| 39 | Quantinno Capital Management LP | 48.70K | -38.1% | $226,455 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 40 | Deutsche Bank Ag\ | 30.59K | +19.3% | $142,244 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | Lazard Asset Management Llc | 29.22K | New | $135,873 | 0.0% | New | 1 | SEC ↗ |
| 42 | Raymond James Financial Inc | 25.66K | New | $119,301 | 0.0% | New | 1 | SEC ↗ ×2 |
| 43 | CIBC Asset Management Inc | 23.89K | 0.0% | $111,102 | 0.0% | Held | 2 | SEC ↗ |
| 44 | State Of Wisconsin Investment Board | 23.14K | New | $107,620 | 0.0% | New | 1 | SEC ↗ |
| 45 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 18.27K | -4.6% | $84,969 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 46 | Mercer Global Advisors Inc /Adv | 13.50K | New | $62,794 | 0.0% | New | 1 | SEC ↗ |
| 47 | D. E. Shaw & Co. ✦ | 12.86K | -70.8% | $59,818 | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 48 | State Board Of Administration Of… | 12.63K | 0.0% | $58,730 | 0.0% | Held | 2 | SEC ↗ |
| 49 | Citigroup Inc | 12.25K | +72.6% | $56,958 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 50 | Group One Trading Llc | 11.95K | New | $55,558 | 0.0% | New | 1 | SEC ↗ |
| 51 | IMC-Chicago, LLC | 10.90K | -58.6% | $50,671 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 52 | Manufacturers Life Insurance… | 10.83K | -14.0% | $50,369 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 53 | Franklin Resources Inc | 10.63K | -11.1% | $49,420 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 54 | New York State Common Retirement… | 10.07K | 0.0% | $46,839 | 0.0% | Held | 2 | SEC ↗ |
| 55 | Simplex Trading, Llc | 9.46K | -10.9% | $43,979 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 56 | Bnp Paribas Financial Markets | 8.30K | -90.4% | $38,595 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 57 | Federated Hermes, Inc. | 4.42K | 0.0% | $20,553 | 0.0% | Held | 2 | SEC ↗ |
| 58 | Legal & General Group Plc | 3.84K | 0.0% | $17,851 | 0.0% | Held | 2 | SEC ↗ |
| 59 | Cwm, Llc | 3.20K | -42.8% | $14,880 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | California State Teachers… | 2.23K | -12.1% | $10,383 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | Osaic Holdings, Inc. | 1.94K | +7376.9% | $9,038 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Fidelity (FMR) ✦ | 994 | -60.5% | $4,622 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 63 | Pnc Financial Services Group, Inc. | 352 | +211.5% | $1,637 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Optiver Holding B.V. | 332 | -10.3% | $1,544 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | Fifth Third Bancorp | 39 | New | $181 | 0.0% | New | 1 | SEC ↗ |
| 66 | Royal Bank Of Canada | 17 | -98.6% | $0 | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Tudor Investment Corp Et Al | $743,828 | 0.0% |
| Ameriprise Financial Inc | $534,959 | 0.0% |
| Squarepoint Ops LLC | $357,618 | 0.0% |
| Lazard Asset Management Llc | $135,873 | 0.0% |
| Raymond James Financial Inc | $119,301 | 0.0% |
| State Of Wisconsin Investment… | $107,620 | 0.0% |
| Mercer Global Advisors Inc… | $62,794 | 0.0% |
| Group One Trading Llc | $55,558 | 0.0% |
| Fifth Third Bancorp | $181 | 0.0% |
Exited
| Norges Bank | $583,500 | was 0.0% |
| Creative Planning | $533,218 | was 0.0% |
| Peak6 Llc | $474,238 | was 0.0% |
| Two Sigma Investments | $350,442 | was 0.0% |
| Balyasny Asset Management L.P. | $333,894 | was 0.0% |
| Cerity Partners LLC | $88,163 | was 0.0% |
| Us Bancorp \De\ | $630 | 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.
Jul 31
SC 13G — VANGUARD CAPITAL MANAGEMENT LLC
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: Q1 2026 ·
Methodology ·
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