13F

Stock

Silverbox Corp V

Ticker not mapped · held by 17 managers

Reported value

$44.6M

Holders

17

+2 new · −38 exited

Holders’ est. mark

$1.67K

Price effect on 15 books still in the name

Largest holder

$9.57M

MILLENNIUM MANAGEMENT LLC

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
MILLENNIUM MANAGEMENT LLC950K$9.57M$14.2KAdded$14.3K
MMCAP International Inc. SPC750K$7.56M$11.2KAdded$11.3K
Jain Global LLC750K$7.54M−$33.7KCut−$33.8K
HGC Investment Management Inc.900K$6.1M$1.59KAdded$1.59K
TORONTO DOMINION BANK531.2K$5.35M$7.97KCut−$815.6K
OMERS ADMINISTRATION Corp448.8K$4.52MNew
Westchester Capital Management, LLC100K$1.01M$1KAdded$1K
BOOTHBAY FUND MANAGEMENT, LLC75K$755.6K$1.12KAdded$1.13K
Stoic Point Capital Management LLC50K$503.8K$750Added$750
PRELUDE CAPITAL MANAGEMENT, LLC50K$503.8K$750Added$750
JPMORGAN CHASE & CO50K$503.8K−$3.75KCut−$1.19M
Quarry LP43.1K$434.7K$215Added$215
Clear Street Group Inc.19.6K$197.4K$294Cut−$2.32M
UBS Group AG4.59K$46.1KNew
SYQUANT CAPITAL SAS250K$2.51K−$25Cut−$25
HRT FINANCIAL LP50K$505−$2Cut−$2
Magnetar Financial LLC10$101$0Cut−$10.1M

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.