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SBXD.U

SilverBox Corp IV Units
SBXD.U

4 hedge funds and large institutions have $126K invested in SilverBox Corp IV Units in 2025 Q3 according to their latest regulatory filings, with 1 funds opening new positions, 1 increasing their positions, 1 reducing their positions, and 0 closing their positions.

New
Increased
Maintained
Reduced
Closed

360% more capital invested

Capital invested by funds: $27.5K → $126K (+$98.9K)

33% more funds holding

Funds holding: 3 → 4 (+1)

0% more repeat investments, than reductions

Existing positions increased: 1 | Existing positions reduced: 1

0.01% less ownership

Funds ownership: 0.01% → 0% (-0.01%)

Holders
4
Holders Change
+1
Holders Change %
+33.33%
% of All Funds
0.05%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
1
Increased
1
Reduced
1
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
HCM
Highbridge Capital Management
New York
+$379K
2
CS
Clear Street
New York
+$71.3K

Top Sellers

Rank Fund Capital Flow
1
UBS Group
UBS Group
Switzerland
-$498
Name Holding Trade Value Shares
Change 		Change in
Stake
CS
1
Clear Street
New York
$78.4K +$71.3K +6,588 +850%
HCM
2
Highbridge Capital Management
New York
$30.9K +$379K +35,000 New
UBS Group
3
UBS Group
Switzerland
$17.1K -$498 -46 -3%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
4
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$21 – – –

SBXD.U Hedge Fund Activity: Q3 2025 in Review

4 of the 7,631 institutional investors tracked by Wall St. Rank reported a position in SilverBox Corp IV Units (SBXD.U) for Q3 2025, worth a combined $126K — up 360% from $27.5K a quarter earlier.

Buyers outnumbered sellers: 1 fund opened new SBXD.U positions and 0 closed out — a net gain of 1 holder — while 1 added to existing stakes and 1 trimmed.

The largest buyer was Highbridge Capital Management, opening a new position worth an estimated $379K. The largest seller was UBS Group, cutting an estimated $498.

  • 4 institutional investors held SilverBox Corp IV Units (SBXD.U) as of Q3 2025, up from 3 in Q2 2025.
  • Funds reported $126K of SilverBox Corp IV Units stock for Q3 2025, up 360% quarter-over-quarter.
  • 1 fund opened new SilverBox Corp IV Units positions in Q3 2025 and 0 closed out, a net change of +1 holder.
  • The largest SilverBox Corp IV Units buyer in Q3 2025 was Highbridge Capital Management, an estimated $379K added.
  • The largest SilverBox Corp IV Units seller in Q3 2025 was UBS Group, an estimated $498 sold.

Based on aggregated 13F filings for Q3 2025.