13F

Stock

Blue Wtr Acquisition Corp Iv

Ticker not mapped · held by 41 managers

Reported value

$115.4M

Holders

41

+40 new · −0 exited

Holders’ est. mark

Need a prior quarter

Largest holder

$11.2M

ADAGE CAPITAL PARTNERS GP, L.L.C.

Who holds it

Notable only
InvestorSharesValueEst. markChange
ADAGE CAPITAL PARTNERS GP, L.L.C.1.13M$11.2MNew
Magnetar Financial LLC950K$9.42MNew
Wealthspring Capital LLC658.1K$6.53MNew
Linden Advisors LP625K$6.2MNew
MILLENNIUM MANAGEMENT LLC600K$5.95MNew
Alberta Investment Management Corp600K$5.95MNew
RIVERNORTH CAPITAL MANAGEMENT, LLC500K$4.96MNew
ARISTEIA CAPITAL, L.L.C.500K$4.96MNew
LMR Partners LLP500K$4.96MNew
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND500K$4.96MNew
Lineage Point Capital LP462.9K$4.59MNew
WHITEBOX ADVISORS LLC350K$3.47MNew
SONA ASSET MANAGEMENT (US) LLC350K$3.47MNew
Calamos Advisors LLC300K$2.98MNew
TENOR CAPITAL MANAGEMENT Co., L.P.300K$2.98MNew
BNP PARIBAS FINANCIAL MARKETS299.9K$2.97MNew
AQR Arbitrage LLC293K$2.91MNew
Radcliffe Capital Management, L.P.275K$2.73MNew
Verition Fund Management LLC259K$2.57MNew
Kryger Capital LLC250K$2.48MHeld
TWO SIGMA INVESTMENTS, LP226.6K$2.25MNew
MOORE CAPITAL MANAGEMENT, LP200K$1.98MNew
K2 PRINCIPAL FUND, L.P.200K$1.98MNew
Qube Research & Technologies Ltd150K$1.49MNew
Shaolin Capital Management LLC150K$1.49MNew
BERKLEY W R CORP149.2K$1.48MNew
DELTEC ASSET MANAGEMENT LLC125K$1.24MNew
Periscope Capital Inc.100K$992KNew
Ghisallo Capital Management LLC100K$992KNew
Westchester Capital Management, LLC100K$992KNew
Saba Capital Management, L.P.100K$992KNew
JANE STREET GROUP, LLC85.8K$851.5KNew
HEIGHTS CAPITAL MANAGEMENT, INC60K$595.2KNew
DLD Asset Management, LP50K$496KNew
ROYAL BANK OF CANADA50K$496KNew
Ionic Capital Management LLC50K$496KNew
ABC ARBITRAGE SA20K$198.4KNew
Bulldog Investors, LLP10K$99.2KNew
TrueMark Investments, LLC10K$99.2KNew
Glazer Capital, LLC178.1K$1.77KNew
Mint Tower Capital Management B.V.100K$992New

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.