13F

Stock

Activate Energy Acquisit Cor

Ticker not mapped · held by 57 managers

Reported value

$175.8M

Holders

57

+56 new · −0 exited

Holders’ est. mark

—

Need a prior quarter

Largest holder

$17.8M

ADAGE CAPITAL PARTNERS GP, L.L.C.

Who holds it

Notable only
InvestorSharesValueEst. markChange
ADAGE CAPITAL PARTNERS GP, L.L.C.1.8M$17.8M—New
Linden Advisors LP1.1M$10.9M—New
PICTON MAHONEY ASSET MANAGEMENT1.02M$10.1M—New
Kryger Capital LLC919.6K$9.09M—Held
AQR Arbitrage LLC870.8K$8.61M—New
Magnetar Financial LLC800K$7.94M—New
TENOR CAPITAL MANAGEMENT Co., L.P.700K$6.92M—New
Alberta Investment Management Corp600K$5.93M—New
BNP PARIBAS FINANCIAL MARKETS536.4K$5.3M—New
Parallax Volatility Advisers, L.P.531.7K$5.29M—New
RIVERNORTH CAPITAL MANAGEMENT, LLC512K$5.06M—New
BlueCrest Capital Management Ltd500K$4.95M—New
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND500K$4.95M—New
Lineage Point Capital LP495K$4.9M—New
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS400K$3.96M—New
MOORE CAPITAL MANAGEMENT, LP400K$3.96M—New
Hudson Bay Capital Management LP375K$3.71M—New
TWO SIGMA INVESTMENTS, LP362.5K$3.59M—New
Polar Asset Management Partners Inc.350K$3.46M—New
Radcliffe Capital Management, L.P.348K$3.44M—New
BERKLEY W R CORP347K$3.43M—New
HIGHBRIDGE CAPITAL MANAGEMENT LLC339.4K$3.37M—New
Periscope Capital Inc.321.6K$3.18M—New
WHITEBOX ADVISORS LLC300K$2.97M—New
Wealthspring Capital LLC298.8K$2.96M—New
Ghisallo Capital Management LLC250K$2.47M—New
Westchester Capital Management, LLC250K$2.47M—New
SONA ASSET MANAGEMENT (US) LLC242.4K$2.4M—New
MARSHALL WACE, LLP240K$2.37M—New
Clear Street Group Inc.204.4K$2.02M—New
First Trust Capital Management L.P.200K$1.98M—New
Verition Fund Management LLC200K$1.98M—New
MILLENNIUM MANAGEMENT LLC200K$1.98M—New
Shaolin Capital Management LLC150K$1.48M—New
D. E. Shaw & Co., Inc.126.9K$1.26M—New
Centiva Capital, LP125K$1.24M—New
ARISTEIA CAPITAL, L.L.C.125K$1.24M—New
Crossingbridge Advisors, LLC100K$989K—New
K2 PRINCIPAL FUND, L.P.100K$989K—New
GRITSTONE ASSET MANAGEMENT LLC100K$989K—New
DLD Asset Management, LP100K$989K—New
L1 Global Manager Pty Ltd70K$692.3K—New
WOLVERINE ASSET MANAGEMENT LLC62.1K$614.2K—New
Context Capital Management, LLC50K$494.5K—New
Schonfeld Strategic Advisors LLC35K$346.1K—New
DELTEC ASSET MANAGEMENT LLC25K$247.3K—New
Gladius Capital Management LP20K$197.8K—New
UBS Group AG16.1K$158.8K—New
TrueMark Investments, LLC15K$148.3K—New
ROYAL BANK OF CANADA13.8K$136K—New
GEODE CAPITAL MANAGEMENT, LLC13.1K$129.8K—New
PenderFund Capital Management Ltd.5K$49.5K—New
Glazer Capital, LLC425K$4.2K—New
Mint Tower Capital Management B.V.200K$1.98K—New
Virtu Financial LLC95.6K$946—New
Kepos Capital LP52.6K$520—New
MORGAN STANLEY11$109—New

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.