GAM
SBXD

Gritstone Asset Management’s SilverBox Corp IV SBXD Stock Holding History

Gritstone Asset Management’s Portfolio SBXD Stock Details SBXD Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-209,806
Closed -$2.2M – 154
2025
Q3 		$2.2M Sell
209,806
-12,345
-6% -$131K 2.26% 10
2025
Q2 		$2.43M Hold
222,151
– – 2.41% 12
2025
Q1 		$2.26M Sell
222,151
-391
-0.2% -$3.96K 2.37% 14
2024
Q4 		$2.25M Buy
+222,542
New +$2.23M 2.38% 15

Other funds holding SBXD

LA
Linden Advisors New York $17.9B AUM 1.72% 1-Year Est. Return
MSU
Mizuho Securities USA New York $6.2B AUM 35.46% 1-Year Est. Return
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $5.01B AUM 35.27% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $6.09B AUM 27.01% 1-Year Est. Return
WRBC
W.R. Berkley Corp Greenwich, Connecticut $1.86B AUM 14.44% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
MI
MMCAP International Grand Cayman, Cayman Islands $1.16B AUM 77.9% 1-Year Est. Return
WAM
Wolverine Asset Management Chicago, Illinois $10.4B AUM 4.78% 1-Year Est. Return
PMAM
Picton Mahoney Asset Management Toronto, Ontario, Canada $13.5B AUM 50.48% 1-Year Est. Return
GL
Governors Lane New York $1.56B AUM 30.42% 1-Year Est. Return

Gritstone Asset Management's SBXD Position: Q4 2025 in Review

Gritstone Asset Management sold out of SilverBox Corp IV (SBXD) in Q4 2025, closing a stake of 209,806 shares — an estimated $2.2M sold.

Gritstone Asset Management first reported a position in SBXD in Q4 2024 and held it in 4 quarters. The position peaked at $2.43M in Q2 2025. 46 funds tracked by Wall St. Rank hold SBXD as of Q4 2025.

  • Gritstone Asset Management reported no remaining SilverBox Corp IV position as of Q4 2025 after selling out during the quarter.
  • Gritstone Asset Management sold 209,806 SilverBox Corp IV shares in Q4 2025, an estimated $2.2M.
  • Gritstone Asset Management first reported a position in SilverBox Corp IV in Q4 2024 and held it in 4 quarters.
  • Gritstone Asset Management's SilverBox Corp IV position peaked at $2.43M in Q2 2025.
  • 46 funds tracked by Wall St. Rank held SilverBox Corp IV as of Q4 2025.

Based on Gritstone Asset Management's 13F filing for Q4 2025, filed 23 Jan 2026.