13F

Stock

Spark I Acquisition Corp

Ticker not mapped · held by 16 managers

Reported value

$18.4M

Holders

16

+0 new · −0 exited

Holders’ est. mark

$7.53K

Price effect on 15 books still in the name

Largest holder

$7.16M

AQR Arbitrage LLC

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
AQR Arbitrage LLC633.3K$7.16M$12.7KAdded$5.1K
MIZUHO SECURITIES USA LLC438.5K$4.91M$35.8KAdded$61.9K
Periscope Capital Inc.125K$1.42M−$11.9KCut−$11.9K
MOORE CAPITAL MANAGEMENT, LP100K$1.13M−$12KCut−$12K
BERKLEY W R CORP90.4K$1.02M−$6.23KAdded$275.6K
O'Connor Alternative Investments LLC66.8K$755.9KHeld
Radcliffe Capital Management, L.P.39.5K$447.6K−$3.75KCut−$3.75K
SUSQUEHANNA INTERNATIONAL GROUP, LLP32.9K$372.4K$659Cut−$2.59K
Logan Stone Capital, LLC31.2K$353.8K−$2.71KAdded$28.2K
Clear Street Group Inc.27.8K$314.2K−$3.33KCut−$3.33K
Linden Advisors LP25K$282.8K$500Added$500
Rangeley Capital, LLC10.8K$122.3K−$1.3KCut−$1.3K
TORONTO DOMINION BANK7.22K$81.6K−$866Cut−$866
UBS Group AG199$2.25K−$23Cut−$206
MORGAN STANLEY70$792−$6Added$198
Glazer Capital, LLC60.1K$680−$7Cut−$7

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.