13F

Stock

Berto Acquisition Corp

Ticker not mapped · held by 62 managers

Reported value

$254.3M

Holders

62

+2 new · −2 exited

Holders’ est. mark

−$722.5K

Price effect on 4 books still in the name

Largest holder

$18.2M

Centiva Capital, LP

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Centiva Capital, LP1.79M$18.2MHeld
Magnetar Financial LLC1.65M$16.7MHeld
Linden Advisors LP1.5M$15.2MHeld
Hudson Bay Capital Management LP1.27M$12.8M−$342KCut−$342K
AQR Arbitrage LLC1.13M$11.4MHeld
Polar Asset Management Partners Inc.1.1M$11.2M−$286KCut−$1.33M
BERKLEY W R CORP1.02M$10.4MHeld
MOORE CAPITAL MANAGEMENT, LP1M$10.1MHeld
Verbena Value LP897.7K$9.1MHeld
TENOR CAPITAL MANAGEMENT Co., L.P.800K$8.11MHeld
TWO SIGMA INVESTMENTS, LP799.2K$8.1MHeld
First Trust Capital Management L.P.775K$7.86MHeld
LMR Partners LLP772.8K$7.84MHeld
BANK OF MONTREAL /CAN/513.5K$5.2MHeld
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND500K$5.07MHeld
HIGHBRIDGE CAPITAL MANAGEMENT LLC500K$5.07MHeld
Lineage Point Capital LP479.5K$4.86MHeld
CANTOR FITZGERALD, L. P.440.4K$4.47MNew
Westchester Capital Management, LLC433.5K$4.4MHeld
GOLDMAN SACHS GROUP INC405.1K$4.11MHeld
CSS LLC/IL364.9K$3.7MHeld
K2 PRINCIPAL FUND, L.P.355.2K$3.6MHeld
Fort Baker Capital Management LP352.2K$3.57MHeld
Saba Capital Management, L.P.350K$3.55MHeld
Radcliffe Capital Management, L.P.347.5K$3.52MHeld
MIZUHO SECURITIES USA LLC340.8K$3.44MHeld
ARISTEIA CAPITAL, L.L.C.337.6K$3.42MHeld
Logan Stone Capital, LLC316.2K$3.21MHeld
Alpine Global Management, LLC300K$3.04MHeld
TORONTO DOMINION BANK295.5K$3MHeld
Shaolin Capital Management LLC293K$2.97MHeld
Wealthspring Capital LLC292.8K$2.97MHeld
Rangeley Capital, LLC289.5K$2.94MHeld
D. E. Shaw & Co., Inc.278K$2.82MHeld
Mercuria Capital Strategies, LLC270.9K$2.75MHeld
Alberta Investment Management Corp250K$2.54M−$67.5KCut−$67.5K
Context Capital Management, LLC250K$2.54MHeld
Clear Street Group Inc.219.7K$2.23MHeld
Periscope Capital Inc.195K$1.98MHeld
Verition Fund Management LLC190.9K$1.94MHeld
Massar Capital Management, LP180K$1.83MHeld
RIVERNORTH CAPITAL MANAGEMENT, LLC173.9K$1.76MHeld
DLD Asset Management, LP168.8K$1.71MHeld
Jefferies Financial Group Inc.130.8K$1.33MHeld
Schonfeld Strategic Advisors LLC109.4K$1.11MHeld
HEIGHTS CAPITAL MANAGEMENT, INC100K$1.01MHeld
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)100K$1.01M−$27KCut−$27K
GRITSTONE ASSET MANAGEMENT LLC98.9K$1MHeld
GEODE CAPITAL MANAGEMENT, LLC61.1K$620KHeld
Citadel60.5K$613.8KHeld
Diametric Capital, LP54.3K$550.2KHeld
Tuttle Capital Management, LLC40K$405.6KHeld
Cannon Global Investment Management, LLC37K$375.2KHeld
WOLVERINE ASSET MANAGEMENT LLC33.5K$339.6KHeld
ABC ARBITRAGE SA30K$304.2KHeld
READYSTATE ASSET MANAGEMENT LP18.4K$186.6KHeld
PRELUDE CAPITAL MANAGEMENT, LLC13.5K$136.9KHeld
Glazer Capital, LLC1.45M$14.7KHeld
UBS Group AG568$5.76KHeld
Mint Tower Capital Management B.V.410.7K$4.16KHeld
HRT FINANCIAL LP18.8K$191Held
FNY Investment Advisers, LLC2.6K$26New

Who left

Positions as of Q4 2025. 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.