PRA
ProAssurance Corporation · Financial Services · Insurance - Property & Casualty
Momentum inputs (comparable managers):
holder breadth -12.5% ·
share flow -4.7% ·
net new positions -14.3%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q1 2026 | 76 | -3 | 32.43M | $800.53M | +3 | −6 |
| Q4 2025 | 79 | -2 | 37.06M | $895.32M | — | −2 |
| Q3 2025 | 16 | -1 | 19.21M | $460.88M | +1 | −2 |
| Q2 2025 | 14 | -2 | 18.88M | $431.07M | — | −2 |
| Q1 2025 | 13 | +1 | 6.89M | $160.89M | +1 | — |
| Q4 2024 | 12 | 0 | 8.08M | $128.49M | — | — |
| Q3 2024 | 11 | +1 | 6.34M | $95.29M | +1 | — |
| Q2 2024 | 10 | — | 5.98M | $73.11M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 7.34M | — | $167.52M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 7.34M | — | $167.52M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 7.34M | — | $167.52M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 7.34M | — | $167.52M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 7.34M | — | $167.52M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 7.34M | — | $167.52M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 7.34M | — | $167.52M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 7.34M | — | $167.52M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 7.34M | — | $167.52M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 7.34M | — | $167.52M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 7.34M | — | $167.52M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 7.34M | — | $167.52M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 7.34M | — | $167.52M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | The Vanguard Group ✦ (passive) | 5.57M | — | $127.19M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 5.57M | — | $127.19M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 5.57M | — | $127.19M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 5.57M | — | $127.19M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 5.57M | — | $127.19M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | State Street Global Advisors ✦ (passive) | 1.94M | -0.2% | $44.38M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | Geode Capital Management ✦ (passive) | 1.20M | 0.0% | $27.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 21 | Geode Capital Management ✦ (passive) | 1.20M | 0.0% | $27.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 22 | Millennium Management ✦ | 603.17K | +96.8% | $13.77M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 23 | Renaissance Technologies ✦ | 590.50K | -19.1% | $13.48M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 24 | Arrowstreet Capital ✦ | 538.48K | -23.2% | $12.29M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 25 | Adage Capital Partners ✦ | 492.57K | +38.9% | $11.25M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | Marshall Wace ✦ | 443.08K | +128.8% | $10.12M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 27 | Marshall Wace ✦ | 443.08K | +128.8% | $10.12M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 28 | Marshall Wace ✦ | 443.08K | +128.8% | $10.12M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 29 | T. Rowe Price ✦ | 54.55K | +6.1% | $1.25M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 30 | D. E. Shaw & Co. ✦ | 39.22K | -78.5% | $895,301 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 31 | Two Sigma Investments ✦ | 28.81K | -78.5% | $657,755 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 32 | AQR Capital Management ✦ | 24.39K | -81.9% | $556,709 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 33 | AQR Capital Management ✦ | 24.39K | -81.9% | $556,709 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 34 | AQR Capital Management ✦ | 24.39K | -81.9% | $556,709 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 35 | AQR Capital Management ✦ | 24.39K | -81.9% | $556,709 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 36 | Fidelity (FMR) ✦ | 11.62K | — | $265,160 | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Fidelity (FMR) ✦ | 11.62K | — | $265,160 | 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
| Wellington Management | $18.37M | was 0.0% |
| Citadel Advisors | $3.86M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 219 holders, 51.25M shares, $1.22B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.