WRBC
ATMC

W.R. Berkley Corp’s AlphaTime Acquisition Corp ATMC Stock Holding History

W.R. Berkley Corp’s Portfolio ATMC Stock Details ATMC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-170,992
Closed -$2.05M – 287
2025
Q3 		$2.05M Hold
170,992
– – 0.12% 140
2025
Q2 		$2M Hold
170,992
– – 0.11% 146
2025
Q1 		$1.99M Sell
170,992
-126,965
-43% -$1.46M 0.12% 106
2024
Q4 		$3.38M Sell
297,957
-27,836
-9% -$315K 0.13% 70
2024
Q3 		$3.65M Hold
325,793
– – 0.21% 63
2024
Q2 		$3.61M Buy
325,793
+157,436
+94% +$1.74M 0.15% 81
2024
Q1 		$1.84M Buy
168,357
+35,849
+27% +$389K 0.1% 115
2023
Q4 		$1.42M Buy
132,508
+8,221
+7% +$88K 0.1% 132
2023
Q3 		$1.31M Buy
124,287
+104,401
+525% +$1.09M 0.09% 156
2023
Q2 		$206K Hold
19,886
– – 0.01% 217
2023
Q1 		$203K Buy
+19,886
New +$202K 0.01% 233

Other funds holding ATMC

Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $36.8B AUM 42.13% 1-Year Est. Return
CS
Clear Street New York $39.5B AUM 124.03% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

W.R. Berkley Corp's ATMC Position: Q4 2025 in Review

W.R. Berkley Corp sold out of AlphaTime Acquisition Corp (ATMC) in Q4 2025, closing a stake of 170,992 shares — an estimated $2.05M sold.

W.R. Berkley Corp first reported a position in ATMC in Q1 2023 and held it in 11 quarters. The position peaked at $3.65M in Q3 2024. 3 funds tracked by Wall St. Rank hold ATMC as of Q4 2025.

  • W.R. Berkley Corp reported no remaining AlphaTime Acquisition Corp position as of Q4 2025 after selling out during the quarter.
  • W.R. Berkley Corp sold 170,992 AlphaTime Acquisition Corp shares in Q4 2025, an estimated $2.05M.
  • W.R. Berkley Corp first reported a position in AlphaTime Acquisition Corp in Q1 2023 and held it in 11 quarters.
  • W.R. Berkley Corp's AlphaTime Acquisition Corp position peaked at $3.65M in Q3 2024.
  • 3 funds tracked by Wall St. Rank held AlphaTime Acquisition Corp as of Q4 2025.

Based on W.R. Berkley Corp's 13F filing for Q4 2025, filed 13 Feb 2026.