Berto Acquisition Corp. - TACO

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
BERKLEY W R CORP History Added to 1,822,598 18,681 1.0% 0.49% 1 +797,864 77.86% Q1 2026 May 15, 2026
Centiva Capital, LP History No change 1,791,194 18,359 0.14% 0.15% 2 0 0.0% Q1 2026 May 14, 2026
Magnetar Financial LLC History No change 1,650,000 16,863 0.17% 0.16% 3 0 0.0% Q1 2026 May 13, 2026
GLAZER CAPITAL, LLC History Added to 1,578,382 16,178 0.34% 0.39% 4 +128,382 8.85% Q1 2026 May 14, 2026
LINDEN ADVISORS LP History No change 1,500,000 15,375 0.09% 0.09% 5 0 0.0% Q1 2026 May 15, 2026
Hudson Bay Capital Management LP History No change 1,266,599 12,982 0.04% 0.04% 6 0 0.0% Q1 2026 May 13, 2026
Polar Asset Management Partners Inc. History No change 1,100,000 11,253 0.22% 0.14% 7 0 0.0% Q1 2026 May 15, 2026
AQR Arbitrage LLC History Reduced 1,073,937 11,007 0.18% 0.24% 8 -51,935 -4.61% Q1 2026 May 15, 2026
MOORE CAPITAL MANAGEMENT, LP History No change 1,000,000 10,250 0.21% 0.15% 9 0 0.0% Q1 2026 May 15, 2026
WOLVERINE ASSET MANAGEMENT LLC History Added to 899,940 9,224 0.09% 0.0% 10 +866,451 2587.27% Q1 2026 May 04, 2026
Verbena Value LP History No change 897,745 9,201 1.51% 1.57% 11 0 0.0% Q1 2026 May 04, 2026
TENOR CAPITAL MANAGEMENT Co., L.P. History No change 800,000 8,200 0.13% 0.11% 12 0 0.0% Q1 2026 May 15, 2026
TWO SIGMA INVESTMENTS, LP History No change 799,248 8,192 0.01% 0.01% 13 0 0.0% Q1 2026 May 15, 2026
LMR Partners LLP History No change 772,757 7,920 0.02% 0.01% 14 0 0.0% Q1 2026 May 15, 2026
Westchester Capital Management, LLC History Added to 703,632 7,212 0.33% 0.18% 15 +270,172 62.33% Q1 2026 May 15, 2026
Crossingbridge Advisors, LLC History New 635,000 6,507 1.18% 16 +635,000 New Q1 2026 May 14, 2026
Parallax Volatility Advisers, L.P. History New 631,366 6,496 0.02% 17 +631,366 New Q1 2026 May 15, 2026
HIGHBRIDGE CAPITAL MANAGEMENT LLC History No change 500,000 5,110 0.17% 0.16% 18 0 0.0% Q1 2026 May 15, 2026
Lineage Point Capital LP History No change 479,502 4,914 1.2% 1.84% 19 0 0.0% Q1 2026 May 15, 2026
Mint Tower Capital Management B.V. History No change 410,668 4,209 0.38% 0.48% 20 0 0.0% Q1 2026 May 04, 2026
GOLDMAN SACHS GROUP INC History No change 405,124 4,152 0.0% 0.0% 21 0 0.0% Q1 2026 May 15, 2026
Shaolin Capital Management LLC History Added to 400,000 4,100 0.15% 0.09% 22 +107,026 36.53% Q1 2026 May 15, 2026
Radcliffe Capital Management, L.P. History Added to 371,764 3,810 0.29% 0.19% 23 +24,282 6.99% Q1 2026 May 15, 2026
CSS LLC/IL History No change 364,881 3,740 0.18% 0.16% 24 0 0.0% Q1 2026 May 15, 2026
D. E. Shaw & Co., Inc. History Added to 359,490 3,684 0.0% 0.0% 25 +81,447 29.29% Q1 2026 May 15, 2026
First Trust Capital Management L.P. History Reduced 352,000 3,608 0.19% 0.48% 26 -422,998 -54.58% Q1 2026 May 14, 2026
MIZUHO SECURITIES USA LLC History Added to 342,043 3,461 0.08% 0.06% 27 +1,197 0.35% Q1 2026 May 11, 2026
ARISTEIA CAPITAL, L.L.C. History No change 337,650 3,460 0.07% 0.07% 28 0 0.0% Q1 2026 May 15, 2026
Logan Stone Capital, LLC History Added to 323,861 3,319 0.92% 0.79% 29 +7,663 2.42% Q1 2026 May 15, 2026
PERISCOPE CAPITAL INC. History Added to 275,000 2,813 0.31% 0.23% 30 +80,000 41.03% Q1 2026 May 13, 2026
Mercuria Capital Strategies, LLC History No change 270,908 2,776 1.06% 1.56% 31 0 0.0% Q1 2026 May 06, 2026
BANK OF MONTREAL /CAN/ History Reduced 260,000 2,665 0.0% 0.0% 32 -253,500 -49.37% Q1 2026 May 13, 2026
Context Capital Management, LLC History No change 250,000 2,562 0.06% 0.07% 33 0 0.0% Q1 2026 May 07, 2026
Alberta Investment Management Corp History No change 250,000 2,562 0.02% 0.01% 34 0 0.0% Q1 2026 Apr 28, 2026
K2 PRINCIPAL FUND, L.P. History Reduced 208,300 2,135 0.15% 0.29% 35 -146,904 -41.36% Q1 2026 May 14, 2026
Clear Street Group Inc. History Reduced 206,127 2,121 0.01% 0.01% 36 -177,023 -46.2% Q1 2026 May 15, 2026
Verition Fund Management LLC History No change 190,901 1,956 0.01% 0.01% 37 0 0.0% Q1 2026 May 15, 2026
Massar Capital Management, LP History No change 180,000 1,845 0.2% 0.2% 38 0 0.0% Q1 2026 May 15, 2026
RIVERNORTH CAPITAL MANAGEMENT, LLC History No change 173,906 1,782 0.09% 0.08% 39 0 0.0% Q1 2026 May 15, 2026
DLD Asset Management, LP History No change 168,806 1,730 0.16% 0.13% 40 0 0.0% Q1 2026 May 13, 2026
Schonfeld Strategic Advisors LLC History Added to 167,873 1,720 0.01% 0.0% 41 +58,473 53.45% Q1 2026 May 15, 2026
SONA ASSET MANAGEMENT (US) LLC History New 165,606 1,697 0.04% 42 +165,606 New Q1 2026 May 15, 2026
Wealthspring Capital LLC History Reduced 148,765 1,524 0.36% 0.7% 43 -144,040 -49.19% Q1 2026 May 01, 2026
Jefferies Financial Group Inc. History No change 130,774 1,340 0.01% 0.01% 44 0 0.0% Q1 2026 May 07, 2026
BlueCrest Capital Management Ltd History New 100,000 1,025 0.06% 46 +100,000 New Q1 2026 May 15, 2026
O'Connor Alternative Investments LLC History New 100,000 1,025 0.09% 47 +100,000 New Q1 2026 May 15, 2026
HEIGHTS CAPITAL MANAGEMENT, INC History No change 100,000 1,025 0.29% 0.36% 45 0 0.0% Q1 2026 May 15, 2026
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) History No change 100,000 1,014 0.12% 0.12% 48 0 0.0% Q4 2025 Feb 13, 2026
GRITSTONE ASSET MANAGEMENT LLC History No change 98,853 1,013 1.08% 0.96% 49 0 0.0% Q1 2026 May 05, 2026
CITADEL ADVISORS LLC History Reduced 84,664 869 0.0% 0.0% 50 -2,842 -3.25% Q1 2026 May 15, 2026
OMERS ADMINISTRATION Corp History New 57,712 596 0.0% 51 +57,712 New Q1 2026 May 15, 2026
GEODE CAPITAL MANAGEMENT, LLC History Reduced 57,420 588 0.0% 0.0% 52 -3,727 -6.1% Q1 2026 May 15, 2026
Diametric Capital, LP History Reduced 53,332 546 0.14% 0.15% 53 -926 -1.71% Q1 2026 May 15, 2026
JPMORGAN CHASE & CO History Reduced 50,000 517 0.0% 0.0% 54 -50,000 -50.0% Q1 2026 May 13, 2026
BNP PARIBAS FINANCIAL MARKETS History New 46,008 471 0.0% 55 +46,008 New Q1 2026 May 12, 2026
Cannon Global Investment Management, LLC History Added to 41,700 427 0.83% 0.94% 56 +4,700 12.7% Q1 2026 Apr 21, 2026
HRT FINANCIAL LP History Reduced 40,196 415 0.0% 0.0% 57 -18,647 -31.69% Q1 2026 May 14, 2026
Tuttle Capital Management, LLC History No change 40,000 410 0.67% 0.9% 58 0 0.0% Q1 2026 May 04, 2026
TORONTO DOMINION BANK History Reduced 32,610 334 0.0% 0.0% 59 -262,912 -88.97% Q1 2026 May 15, 2026
ABC ARBITRAGE SA History No change 30,000 307 0.04% 0.03% 60 0 0.0% Q1 2026 May 04, 2026
READYSTATE ASSET MANAGEMENT LP History No change 18,398 188 0.01% 0.01% 61 0 0.0% Q1 2026 May 15, 2026
PRELUDE CAPITAL MANAGEMENT, LLC History No change 13,500 138 0.01% 0.01% 62 0 0.0% Q1 2026 May 15, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 11,238 116 0.0% 0.0% 63 -2,366 -17.39% Q1 2026 May 15, 2026
LEVIN CAPITAL STRATEGIES, L.P. History New 10,000 102 0.01% 64 +10,000 New Q1 2026 May 13, 2026
FNY Investment Advisers, LLC History Reduced 2,400 24 0.01% 0.01% 65 -200 -7.69% Q1 2026 Apr 15, 2026
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND History Closed out 0 0 0.01% -500,000 -100.0% Q1 2026 May 14, 2026
CANTOR FITZGERALD, L. P. History Closed out 0 0 0.07% -440,434 -100.0% Q1 2026 May 15, 2026
Fort Baker Capital Management LP History Closed out 0 0 0.39% -352,163 -100.0% Q1 2026 May 15, 2026
Saba Capital Management, L.P. History Closed out 0 0 0.11% -350,000 -100.0% Q1 2026 May 15, 2026
Alpine Global Management, LLC History Closed out 0 0 0.66% -300,000 -100.0% Q1 2026 May 15, 2026
Rangeley Capital, LLC History Closed out 0 0 2.44% -289,514 -100.0% Q1 2026 May 15, 2026
UBS Group AG History Closed out 0 0 0.0% -857 -100.0% Q1 2026 May 05, 2026
MORGAN STANLEY History New 22 0 +22 New Q1 2026 May 15, 2026