Isthmus Partners, LLC’s Berkley W R Corp Position
Does Isthmus Partners, LLC own Berkley W R Corp (WRB)? Yes — 204.5K shares worth $14M (+1.42% of its 13F portfolio) as of Q1 2026, down from 208.7K shares the prior filed quarter.
Position Value
$14M
Q1 2026
Shares
204.5K
% of Portfolio
+1.42%
Quarters Held
27
currently held
Position History WRB
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2026 | 204.5K | $14M | +1.42% |
| Q4 2025 | 208.7K | $15M | +1.63% |
| Q3 2025 | 211.3K | $16,188 | 0.00% |
| Q2 2025 | 213.8K | $16M | +1.83% |
| Q1 2025 | 224.4K | $16M | +2.00% |
| Q4 2024 | 226.2K | $13M | +1.61% |
| Q3 2024 | 228.6K | $13M | +1.54% |
| Q2 2024 | 154.2K | $12M | +1.43% |
| Q1 2024 | 156.9K | $14M | +1.58% |
| Q4 2023 | 163.3K | $12M | +1.50% |
| Q3 2023 | 160.3K | $10M | +1.47% |
| Q2 2023 | 160.6K | $10M | +1.30% |
| Q1 2023 | 157.8K | $10M | +1.39% |
| Q4 2022 | 158.5K | $12M | +1.73% |
| Q3 2022 | 162.7K | $11M | +1.81% |
| Q2 2022 | 163.8K | $11M | +2.09% |
| Q1 2022 | 165.0K | $11M | +1.81% |
| Q4 2021 | 108.0K | $9M | +1.49% |
| Q3 2021 | 106.0K | $8M | +1.41% |
| Q2 2021 | 105.0K | $8M | +1.38% |
| Q1 2021 | 104.3K | $8M | +1.44% |
| Q4 2020 | 98.9K | $7M | +1.33% |
| Q3 2020 | 96.7K | $6M | +1.38% |
| Q2 2020 | 87.1K | $5M | +1.23% |
| Q1 2020 | 85.4K | $4M | +1.37% |
| Q4 2019 | 85.5K | $6M | +1.35% |
| Q3 2019 | 85.2K | $6M | +1.46% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Isthmus Partners, LLC’s full portfolio or all institutional holders of WRB.