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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, Q4 2025

Institutional positions in Berto Acquisition Corp. as of Dec 31, 2025. 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
62
0 vs. Q3 2025
Shares held
27.0M
+1.94M (+7.7%) vs. Q3 2025
Total value
$273.3M
+$13.0M (+5.0%) vs. Q3 2025
New holders
13
19 more added
Sold out
13
12 more reduced

Compare with Q3 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 holdersQ4 2025: 62 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 heldQ4 2025: $273.3M
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, Q4 2025

Shares, value and share of portfolio for each institution holding Berto Acquisition Corp.; share changes are against Q3 2025.

Institutions holding TACO in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
UBS Group AG568$5.76K0.00%−13,556−96.0%Reduced
FNY Investment Advisers, LLC2,600$26.0K0.01%+2,600New
Prelude Capital Management, LLC13,500$136.9K0.01%−13,715−50.4%Reduced
Readystate Asset Management LP18,398$186.6K0.01%+18,398New
HRT Financial LP18,843$191.0K0.00%+18,843New
Abc Arbitrage SA30,000$304.2K0.03%+30,000New
Wolverine Asset Management LLC33,489$339.6K0.00%+9,704+40.8%Added
Cannon Global Investment Management, LLC37,000$375.2K0.99%+13,258+55.8%Added
Tuttle Tactical Management40,000$405.6K0.90%00.0%Unchanged
Diametric Capital, LP54,258$550.2K0.15%+4,258+8.5%Added
Citadel Advisors LLC60,531$613.8K0.00%+7,252+13.6%Added
Geode Capital Management, LLC61,147$620.0K0.00%00.0%Unchanged
Gritstone Asset Management LLC98,853$1.00M0.96%00.0%Unchanged
Heights Capital Management, Inc100,000$1.01M0.38%00.0%Unchanged
UBS Oconnor LLC100,000$1.01M0.03%00.0%Unchanged
Schonfeld Strategic Advisors LLC109,400$1.11M0.01%+53,831+96.9%Added
Jefferies Financial Group Inc.130,774$1.33M0.01%+111,860+591.4%Added
DLD Asset Management, LP168,806$1.71M0.18%+510.0%Added
Rivernorth Capital Management, LLC173,906$1.76M0.08%+43,750+33.6%Added
Massar Capital Management, LP180,000$1.83M0.36%00.0%Unchanged
Verition Fund Management LLC190,901$1.94M0.01%−355,252−65.0%Reduced
Periscope Capital Inc.195,000$1.98M0.38%+15,600+8.7%Added
Clear Street Group Inc.219,747$2.23M0.01%−967−0.4%Reduced
Alberta Investment Management Corp250,000$2.54M0.02%00.0%Unchanged
Context Capital Management, LLC250,000$2.54M0.07%00.0%Unchanged
Mercuria Capital Strategies, LLC270,908$2.75M1.56%+270,908New
D. E. Shaw & Co., Inc.278,043$2.82M0.00%+28,043+11.2%Added
Rangeley Capital, LLC289,514$2.94M2.53%−27,536−8.7%Reduced
Wealthspring Capital LLC292,805$2.97M0.70%−7,195−2.4%Reduced
Shaolin Capital Management LLC292,974$2.97M0.11%+92,974+46.5%Added
Toronto Dominion Bank295,522$3.00M0.01%−159,419−35.0%Reduced
Alpine Global Management, LLC300,000$3.04M0.68%+175,597+141.2%Added
Logan Stone Capital, LLC316,198$3.21M0.79%+316,198New
Aristeia Capital LLC337,650$3.42M0.10%00.0%Unchanged
Mizuho Securities USA LLC340,846$3.44M0.06%+240,846+240.8%Added
Radcliffe Capital Management, L.P.347,482$3.52M0.19%+3,100+0.9%Added
Saba Capital Management, L.P.350,000$3.55M0.12%−350,000−50.0%Reduced
Fort Baker Capital Management LP352,163$3.57M0.40%+352,163New
K2 Principal Fund, L.P.355,204$3.60M0.37%+100,000+39.2%Added
CSS LLC364,881$3.70M0.21%+350,079+2,365.1%Added
Goldman Sachs Group Inc405,124$4.11M0.00%00.0%Unchanged
Mint Tower Capital Management B.V.410,668$4.16M0.53%+410,668New
Westchester Capital Management, LLC433,460$4.40M0.21%+433,460New
Cantor Fitzgerald, L. P.440,434$4.47M0.13%+440,434New
Lineage Point Capital LP479,502$4.86M1.84%+479,502New
Healthcare of Ontario Pension Plan Trust Fund500,000$5.07M0.01%−500,000−50.0%Reduced
Highbridge Capital Management LLC500,000$5.07M0.23%00.0%Unchanged
Bank of Montreal513,500$5.20M0.00%+513,500New
LMR Partners LLP772,757$7.84M0.08%00.0%Unchanged
Vivaldi Asset Management, LLC774,998$7.86M0.48%−225,000−22.5%Reduced
Two Sigma Investments, LP799,248$8.10M0.01%00.0%Unchanged
Tenor Capital Management Co., L.P.800,000$8.11M0.11%00.0%Unchanged
Verbena Value LP897,745$9.10M1.57%+897,745New
Moore Capital Management, LP1,000,000$10.1M0.21%00.0%Unchanged
Berkley W R Corp1,024,734$10.4M0.58%+925,514+932.8%Added
Polar Asset Management Partners Inc.1,100,000$11.2M0.22%−100,000−8.3%Reduced
CNH Partners LLC1,125,872$11.4M0.24%00.0%Unchanged
Hudson Bay Capital Management LP1,266,599$12.8M0.07%00.0%Unchanged
Glazer Capital, LLC1,450,000$14.7M0.39%−341,122−19.0%Reduced
Linden Advisors LP1,500,000$15.2M0.09%+250,000+20.0%Added
Magnetar Financial LLC1,650,000$16.7M0.16%00.0%Unchanged
Centiva Capital, LP1,791,194$18.2M1.10%+389,416+27.8%Added
Governors Lane LP0$00.00%−980,451−100.0%Sold out
Millennium Management LLC0$00.00%−401,820−100.0%Sold out
Driehaus Capital Management LLC0$00.00%−395,129−100.0%Sold out
Commonwealth of Pennsylvania Public School Empls Retrmt Sys0$00.00%−300,300−100.0%Sold out
BCK Capital Management LP0$00.00%−172,148−100.0%Sold out
Fifth Lane Capital, LP0$00.00%−150,000−100.0%Sold out
Waratah Capital Advisors Ltd.0$00.00%−141,907−100.0%Sold out
Sculptor Capital LP0$00.00%−118,108−100.0%Sold out
BlueCrest Capital Management Ltd0$00.00%−96,413−100.0%Sold out
Jain Global LLC0$00.00%−82,774−100.0%Sold out
Bulldog Investors, LLP0$00.00%−69,163−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−58,732−100.0%Sold out
Morgan Stanley0$00.00%−227−100.0%Sold out