Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in PRA held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 7.3M | $179.9M | -0.1% | 14.103% | 0.00% |
| 2 | Magnetar Financial LLC | 3.2M | $80.3M | -6.8% | 6.291% | 0.82% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.8M | $68.7M | — | 5.389% | 0.00% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2.2M | $55.4M | — | 4.342% | 0.00% |
| 5 | ALLIANCEBERNSTEIN L.P. | 2.0M | $49.1M | +6.5% | 3.942% | 0.02% |
| 6 | STATE STREET CORP | 1.9M | $47.0M | +2.1% | 3.684% | 0.00% |
| 7 | HSBC HOLDINGS PLC | 1.6M | $38.9M | — | 3.049% | 0.02% |
| 8 | Westchester Capital Management, LLC | 1.5M | $36.0M | -9.4% | 2.819% | 1.71% |
| 9 | DIMENSIONAL FUND ADVISORS LP | 1.4M | $35.7M | -47.2% | 2.796% | 0.01% |
| 10 | MORGAN STANLEY | 1.4M | $35.6M | +4.1% | 2.787% | 0.00% |
| 11 | HIGHLAND CAPITAL MANAGEMENT FUND ADVISORS, L.P. | 1.4M | $35.0M | +6.6% | 2.745% | 2.40% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $30.0M | +1.0% | 2.347% | 0.00% |
| 13 | Qube Research & Technologies Ltd | 1.2M | $29.6M | -18.1% | 2.322% | 0.03% |
| 14 | MILLENNIUM MANAGEMENT LLC | 1.1M | $26.8M | +41.2% | 2.104% | 0.02% |
| 15 | RENAISSANCE TECHNOLOGIES LLC | 965K | $23.9M | +641.1% | 1.870% | 0.04% |
| 16 | ALPINE ASSOCIATES MANAGEMENT INC. | 946K | $23.4M | +13.1% | 1.832% | 1.38% |
| 17 | MARSHALL WACE, LLP | 834K | $20.6M | +5.9% | 1.615% | 0.02% |
| 18 | GOLDMAN SACHS GROUP INC | 770K | $19.0M | +48.6% | 1.492% | 0.00% |
| 19 | JANUS HENDERSON GROUP PLC | 679K | $16.8M | -35.1% | 1.315% | 0.01% |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 657K | $16.2M | -1.8% | 1.272% | 0.00% |
| 21 | Hudson Bay Capital Management LP | 575K | $14.2M | 0.0% | 1.114% | 0.15% |
| 22 | NORTHERN TRUST CORP | 546K | $13.5M | +3.9% | 1.058% | 0.00% |
| 23 | CNH PARTNERS LLC | 544K | $13.4M | +48.5% | 1.054% | 0.22% |
| 24 | Amundi | 539K | $13.3M | +117.8% | 1.044% | 0.00% |
| 25 | FIL Ltd | 509K | $12.6M | 0.0% | 0.986% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in PRA — a direct measure of their conviction.
Filings activity in PRA during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 218 | +4.8% | 95.73% | +4.28 pp | $1.22B | +4.7% |
| Q4 2025 | 208 | +7.8% | 91.45% | +0.24 pp | $1.17B | +0.3% |
| Q3 2025 | 193 | 1.0% | 91.21% | +9.83 pp | $1.16B | +12% |
| Q2 2025 | 195 | 2.0% | 81.38% | +3.96 pp | $1.04B | +5.1% |
| Q1 2025 | 199 | +13% | 77.42% | +29.38 pp | $988M | +61% |
| Q4 2024 | 176 | +2.9% | 48.04% | +3.91 pp | $613M | +8.9% |
| Q3 2024 | 171 | 1.2% | 44.13% | +8.73 pp | $563M | +25% |
| Q2 2024 | 173 | — | 35.40% | — | $452M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying PRA stock.
Based on Q1 2026 13F filings, institutional ownership of ProAssurance Corporation stands at 95.7%, held across 218 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of PRA, with approximately 7,278,352 shares worth $0.18B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of PRA, including MILLENNIUM MANAGEMENT LLC, RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for PRA is 67 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
38 institutions opened new positions in PRA during Q1 2026, while 28 fully exited. 136 added to existing positions and 42 trimmed.
PRA institutional ownership rose by 4.28 percentage points quarter-over-quarter, with a net change of +10 holders.
The top 10 institutions account for 51.3% of all reported 13F value in PRA, and the top 25 account for 76.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
ProAssurance Corporation (PRA) Institutional Ownership