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Berto Acquisition Corp.

TACO
Exchange
Nasdaq
Industry
Blank Checks
SEC CIK
0002033122

No open-market purchases or sales by Berto Acquisition Corp. insiders were filed in the last 90 days; 63 institutions reported holding it in 13F filings for Q2 2026, worth $295.6M in total; no superinvestor holds it.

Other share classesTACOUTACOW

13F holders, Q1 2026

Institutional positions in Berto Acquisition Corp. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
61
0 vs. Q4 2025
Shares held
27.3M
+462.7K (+1.7%) vs. Q4 2025
Total value
$279.9M
+$7.60M (+2.8%) vs. Q4 2025
New holders
8
13 more added
Sold out
8
10 more reduced

1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TACO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 61 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 50 institutionsQ3 2025: 62 institutionsQ4 2025: 62 institutionsQ1 2026: 61 institutionsQ2 2026: 63 institutions
Value heldQ1 2026: $279.9M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $231.8MQ3 2025: $260.3MQ4 2025: $273.3MQ1 2026: $279.9MQ2 2026: $295.6M
Institutions holding TACO and their total value by quarter
QuarterHoldersValue
Q2 202663$295.6M
Q1 202661$279.9M
Q4 202562$273.3M
Q3 202562$260.3M
Q2 202550$231.8M
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Berto Acquisition Corp.; share changes are against Q4 2025.

Institutions holding TACO in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Berkley W R Corp1,822,598$18.7M1.00%+797,864+77.9%Added
Centiva Capital, LP1,791,194$18.4M0.86%00.0%Unchanged
Magnetar Financial LLC1,650,000$16.9M0.17%00.0%Unchanged
Glazer Capital, LLC1,578,382$16.2M0.34%+128,382+8.9%Added
Linden Advisors LP1,500,000$15.4M0.09%00.0%Unchanged
Hudson Bay Capital Management LP1,266,599$13.0M0.08%00.0%Unchanged
Polar Asset Management Partners Inc.1,100,000$11.3M0.27%00.0%Unchanged
CNH Partners LLC1,073,937$11.0M0.18%−51,935−4.6%Reduced
Moore Capital Management, LP1,000,000$10.3M0.37%00.0%Unchanged
Wolverine Asset Management LLC899,940$9.22M0.14%+866,451+2,587.3%Added
Verbena Value LP897,745$9.20M1.51%00.0%Unchanged
Tenor Capital Management Co., L.P.800,000$8.20M0.13%00.0%Unchanged
Two Sigma Investments, LP799,248$8.19M0.01%00.0%Unchanged
LMR Partners LLP772,757$7.92M0.07%00.0%Unchanged
Westchester Capital Management, LLC703,632$7.21M0.35%+270,172+62.3%Added
Crossingbridge Advisors, LLC635,000$6.51M1.18%+635,000New
Parallax Volatility Advisers, L.P.631,366$6.50M0.29%+631,366New
Highbridge Capital Management LLC500,000$5.11M0.32%00.0%Unchanged
Lineage Point Capital LP479,502$4.91M1.20%00.0%Unchanged
Mint Tower Capital Management B.V.410,668$4.21M0.42%00.0%Unchanged
Goldman Sachs Group Inc405,124$4.15M0.00%00.0%Unchanged
Shaolin Capital Management LLC400,000$4.10M0.17%+107,026+36.5%Added
Radcliffe Capital Management, L.P.371,764$3.81M0.29%+24,282+7.0%Added
CSS LLC364,881$3.74M0.21%00.0%Unchanged
D. E. Shaw & Co., Inc.359,490$3.68M0.00%+81,447+29.3%Added
Vivaldi Asset Management, LLC352,000$3.61M0.19%−422,998−54.6%Reduced
Mizuho Securities USA LLC342,043$3.46M0.08%+1,197+0.4%Added
Aristeia Capital LLC337,650$3.46M0.08%00.0%Unchanged
Logan Stone Capital, LLC323,861$3.32M0.92%+7,663+2.4%Added
Periscope Capital Inc.275,000$2.81M0.49%+80,000+41.0%Added
Mercuria Capital Strategies, LLC270,908$2.78M1.06%00.0%Unchanged
Bank of Montreal260,000$2.67M0.00%−253,500−49.4%Reduced
Context Capital Management, LLC250,000$2.56M0.06%00.0%Unchanged
Alberta Investment Management Corp250,000$2.56M0.02%00.0%Unchanged
K2 Principal Fund, L.P.208,300$2.14M0.23%−146,904−41.4%Reduced
Verition Fund Management LLC190,901$1.96M0.02%00.0%Unchanged
Massar Capital Management, LP180,000$1.84M0.37%00.0%Unchanged
Rivernorth Capital Management, LLC173,906$1.78M0.09%00.0%Unchanged
DLD Asset Management, LP168,806$1.73M0.18%00.0%Unchanged
Schonfeld Strategic Advisors LLC167,873$1.72M0.01%+58,473+53.4%Added
Sona Asset Management (US) LLC165,606$1.70M0.07%+165,606New
Wealthspring Capital LLC148,765$1.52M0.36%−144,040−49.2%Reduced
Jefferies Financial Group Inc.130,774$1.34M0.02%00.0%Unchanged
Clear Street Group Inc.105,401$1.08M0.01%−114,346−52.0%Reduced
Heights Capital Management, Inc100,000$1.02M0.29%00.0%Unchanged
BlueCrest Capital Management Ltd100,000$1.02M0.10%+100,000New
O'Connor Alternative Investments LLC100,000$1.02M0.05%+100,000New
Gritstone Asset Management LLC98,853$1.01M1.08%00.0%Unchanged
Citadel Advisors LLC60,584$621.0K0.00%+53+0.1%Added
Geode Capital Management, LLC57,420$588.6K0.00%−3,727−6.1%Reduced
Diametric Capital, LP53,332$546.7K0.14%−926−1.7%Reduced
BNP Paribas Arbitrage, SA46,008$471.6K0.00%+46,008New
Cannon Global Investment Management, LLC41,700$427.4K1.03%+4,700+12.7%Added
Tuttle Tactical Management40,000$410.0K0.67%00.0%Unchanged
Toronto Dominion Bank32,610$334.3K0.00%−262,912−89.0%Reduced
Abc Arbitrage SA30,000$307.5K0.04%00.0%Unchanged
Readystate Asset Management LP18,398$188.6K0.01%00.0%Unchanged
Prelude Capital Management, LLC13,500$138.4K0.01%00.0%Unchanged
Levin Capital Strategies, L.P.10,000$102.5K0.01%+10,000New
FNY Investment Advisers, LLC2,400$24.0K0.01%−200−7.7%Reduced
Morgan Stanley22$2260.00%+22New
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−500,000−100.0%Sold out
Cantor Fitzgerald, L. P.0$00.00%−440,434−100.0%Sold out
Fort Baker Capital Management LP0$00.00%−352,163−100.0%Sold out
Saba Capital Management, L.P.0$00.00%−350,000−100.0%Sold out
Alpine Global Management, LLC0$00.00%−300,000−100.0%Sold out
Rangeley Capital, LLC0$00.00%−289,514−100.0%Sold out
HRT Financial LP0$00.00%−18,843−100.0%Sold out
UBS Group AG0$00.00%−568−100.0%Sold out
UBS Oconnor LLC––––Not filed