Mariner’s W.R. Berkley WRB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $1.76M | Sell |
26,480
-90,487
| -77% | -$6.23M | ﹤0.01% | 1595 |
|
|
2025
Q4 | $8.19M | Buy |
116,967
+52,239
| +81% | +$3.85M | 0.01% | 796 |
|
|
2025
Q3 | $4.96M | Sell |
64,728
-46,201
| -42% | -$3.29M | 0.01% | 931 |
|
|
2025
Q2 | $8.15M | Buy |
110,929
+6,656
| +6% | +$477K | 0.01% | 675 |
|
|
2025
Q1 | $7.42M | Buy |
104,273
+3,228
| +3% | +$198K | 0.01% | 662 |
|
|
2024
Q4 | $5.91M | Buy |
101,045
+7,951
| +9% | +$476K | 0.01% | 734 |
|
|
2024
Q3 | $5.28M | Buy |
93,094
+3,995
| +4% | +$224K | 0.01% | 765 |
|
|
2024
Q2 | $4.67M | Buy |
89,099
+326
| +0.4% | +$17.5K | 0.01% | 762 |
|
|
2024
Q1 | $5.23M | Buy |
88,773
+5,952
| +7% | +$322K | 0.01% | 710 |
|
|
2023
Q4 | $3.9M | Buy |
82,821
+21,022
| +34% | +$958K | 0.01% | 777 |
|
|
2023
Q3 | $2.62M | Buy |
61,799
+13,674
| +28% | +$566K | 0.01% | 865 |
|
|
2023
Q2 | $1.91M | Sell |
48,125
-5,712
| -11% | -$225K | 0.01% | 993 |
|
|
2023
Q1 | $2.23M | Buy |
53,837
+7,190
| +15% | +$322K | 0.01% | 910 |
|
|
2022
Q4 | $2.26M | Sell |
46,647
-1,193
| -2% | -$57.5K | 0.01% | 880 |
|
|
2022
Q3 | $2.06M | Buy |
47,840
+10,845
| +29% | +$471K | 0.01% | 762 |
|
|
2022
Q2 | $1.68M | Buy |
36,995
+7,083
| +24% | +$322K | 0.01% | 757 |
|
|
2022
Q1 | $1.33M | Buy |
+29,912
| New | +$1.19M | 0.01% | 848 |
|
|
2021
Q4 | – | Sell |
-25,117
| Closed | -$817K | – | 1181 |
|
|
2021
Q3 | $817K | Buy |
25,117
+862
| +4% | +$28.4K | ﹤0.01% | 744 |
|
|
2021
Q2 | $802K | Buy |
24,255
+1,273
| +6% | +$44.1K | 0.01% | 709 |
|
|
2021
Q1 | $770K | Buy |
+22,982
| New | +$709K | 0.01% | 665 |
|
|
2019
Q3 | – | Sell |
-19,940
| Closed | -$584K | – | 1060 |
|
|
2019
Q2 | $584K | Sell |
19,940
-3,115
| -14% | -$85.2K | 0.01% | 676 |
|
|
2019
Q1 | $579K | Sell |
23,055
-72,002
| -76% | -$1.7M | 0.01% | 618 |
|
|
2018
Q4 | $2.08M | Sell |
95,057
-23,159
| -20% | -$520K | 0.04% | 323 |
|
|
2018
Q3 | $2.8M | Sell |
118,216
-7,267
| -6% | -$165K | 0.07% | 241 |
|
|
2018
Q2 | $2.69M | Buy |
125,483
+96,623
| +335% | +$2.15M | 0.08% | 235 |
|
|
2018
Q1 | $621K | Buy |
28,860
+1,563
| +6% | +$32.6K | 0.02% | 399 |
|
|
2017
Q4 | $580K | Buy |
27,297
+17
| +0.1% | +$347 | 0.02% | 370 |
|
|
2017
Q3 | $539K | Hold |
27,280
| – | – | 0.02% | 333 |
|
|
2017
Q2 | $559K | Sell |
27,280
-2,049
| -7% | -$41.5K | 0.03% | 324 |
|
|
2017
Q1 | $614K | Sell |
29,329
-192
| -0.7% | -$3.95K | 0.03% | 351 |
|
|
2016
Q4 | $582K | Buy |
+29,521
| New | +$530K | 0.03% | 332 |
|
|
2015
Q3 | – | Sell |
-30,311
| Closed | -$466K | – | 574 |
|
|
2015
Q2 | $466K | Buy |
+30,311
| New | +$452K | 0.02% | 351 |
|
Other funds holding WRB
MSI
VCM
VPM
Mariner's WRB Position: Q1 2026 in Review
Mariner reduced its W.R. Berkley (WRB) stake by 77% in Q1 2026, selling an estimated $6.23M and leaving 26,480 shares worth $1.76M. The position accounts for ﹤0.01% of the portfolio, ranked #1595.
Mariner first reported a position in WRB in Q2 2015 and has held it in 32 quarters since. The position peaked at $8.19M in Q4 2025. 920 funds tracked by Wall St. Rank hold WRB as of Q1 2026.
- Mariner held 26,480 shares of W.R. Berkley worth $1.76M as of Q1 2026.
- Mariner sold 90,487 W.R. Berkley shares in Q1 2026, an estimated $6.23M.
- W.R. Berkley made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1595 holding.
- Mariner first reported a position in W.R. Berkley in Q2 2015 and has held it in 32 quarters since.
- Mariner's W.R. Berkley position peaked at $8.19M in Q4 2025.
- 920 funds tracked by Wall St. Rank held W.R. Berkley as of Q1 2026.
Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.