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TACO · Berto Acquisition Corp.

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$10.49 -0.01 (-0.05%) At close · Sep 4
Rebalance outlook locked
Going-concern doubt — flagged Aug 14, 2026

Substantial doubt about the company's ability to continue as a going concern.

“In connection with the Company's assessment of going concern considerations in accordance with FASB ASC 205-40, "Presentation of Financial Statements – Going Concern, Disclosures of Uncertainties about an Entity's Ability to Continue as a Going Concern", as of June 30, 2026, management has determined that the Company's liquidity, mandatory liquidation, should a business combination not occur, and potential subsequent dissolution raise substantial doubt about its ability to continue as a going concern through the earlier of the liquidation date of May 1, 2027 or the completion of the Initial Business Combination.”
View the 10-Q filed Aug 14, 2026
Market Cap
$393.76M
Shares
37.52M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →
Holders: 75
Total Value: $294,431,499
Total Shares: 40,534,161
Showing 1–100 of 112 holdings by value · page 1 of 2

Institutional Ownership Trend

5 quarters

Holder Concentration

Across 75 13F filers · Δ vs Mar 31, 2026
Top Holder
5.9%
Jun 2025 → Jun 2026 · range 5.9% – 7.0%
−0.7 pts
Top 5
26.6%
Jun 2025 → Jun 2026 · range 26.6% – 30.2%
−3.6 pts
Top 10
46.9%
Jun 2025 → Jun 2026 · range 46.9% – 49.9%
−2.7 pts
HHI
319
Jun 2025 → Jun 2026 · range 315 – 349
Broadly held−26

Quarterly Activity

vs Mar 31, 2026
New
3
Increased
17
Decreased
23
Sold Out
7
Unchanged
32
Holder count: -4
Institutional value: +4.1%
Shares held: +0.1%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open
Governors Lane LP +1,439,246 1,635,006
Harraden Circle Investments, LLC +875,514 1,990,522
Verition Fund Management LLC +379,958 897,054
MILLENNIUM MANAGEMENT LLC +250,000 551,645
TORONTO DOMINION BANK +236,373 549,605

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open
BERKLEY W R CORP −596,599 1,225,999
Parallax Volatility Advisers, L.P. −361,225 370,200
WOLVERINE ASSET MANAGEMENT LLC −303,300 597,648
K2 PRINCIPAL FUND, L.P. −294,674 193,127
CSS LLC/IL −225,041 359,747

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open
UBS Group AG 653 $6,849
Quarry LP 42,004 $0
RLH Capital LLC 66,926 $0

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Logan Stone Capital, LLC 323,861 $3,319,575
BANK OF MONTREAL /CAN/ 260,000 $2,665,000
Diametric Capital, LP 53,332 $546,653
PRELUDE CAPITAL MANAGEMENT, LLC 13,500 $138,375
SUSQUEHANNA INTERNATIONAL GROUP, LLP 23,514 $116,200
Filter: New 3 Increased 17 Reduced 23 Sold out 7 Unchanged 32
Showing 100 of 112
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Magnetar Financial LLC $17,308,500 5.88% 1,650,000
Centiva Capital, LP $16,137,732 5.48% 1,538,392
Linden Advisors LP $15,735,000 5.34% 1,500,000
GLAZER CAPITAL, LLC $15,106,565 5.13% 1,440,092
Governors Lane LP $14,161,500 4.81% 1,350,000
Hudson Bay Capital Management LP $13,286,623 4.51% 1,266,599
BERKLEY W R CORP $12,860,729 4.37% 1,225,999
Polar Asset Management Partners Inc. $11,539,000 3.92% 1,100,000
AQR Arbitrage LLC $11,330,144 3.85% 1,080,090
MOORE CAPITAL MANAGEMENT, LP $10,490,000 3.56% 1,000,000
Verbena Value LP $9,417,345 3.20% 897,745
TENOR CAPITAL MANAGEMENT Co., L.P. $8,392,000 2.85% 800,000
TWO SIGMA INVESTMENTS, LP $8,384,111 2.85% 799,248
LMR Partners LLP $8,106,220 2.75% 772,757
Verition Fund Management LLC $7,823,567 2.66% 745,812
Westchester Capital Management, LLC $7,381,098 2.51% 703,632
Harraden Circle Investments, LLC $6,810,989 2.31% 649,284
HIGHBRIDGE CAPITAL MANAGEMENT LLC $6,498,701 2.21% 619,514
Crossingbridge Advisors, LLC $6,451,350 2.19% 615,000
WOLVERINE ASSET MANAGEMENT LLC $6,269,327 2.13% 597,648
D. E. Shaw & Co., Inc. $5,606,800 1.90% 534,490
Mint Tower Capital Management B.V. $4,307,907 1.46% 410,668
GOLDMAN SACHS GROUP INC $4,249,750 1.44% 405,124
Radcliffe Capital Management, L.P. $4,117,880 1.40% 392,553
First Trust Capital Management L.P. $3,692,480 1.25% 352,000
TORONTO DOMINION BANK $3,681,990 1.25% 351,000
ARISTEIA CAPITAL, L.L.C. $3,653,142 1.24% 348,250
DLD Asset Management, LP $3,147,083 1.07% 300,008
Parallax Volatility Advisers, L.P. $3,091,403 1.05% 294,700
Periscope Capital Inc. $2,884,750 0.98% 275,000
Mercuria Capital Strategies, LLC $2,841,824 0.97% 270,908
CSS LLC/IL $2,840,786 0.96% 270,809
Lineage Point Capital LP $2,820,446 0.96% 268,870
Context Capital Management, LLC $2,622,500 0.89% 250,000
MILLENNIUM MANAGEMENT LLC $2,622,500 0.89% 250,000
Alberta Investment Management Corp $2,622,500 0.89% 250,000
Shaolin Capital Management LLC $2,604,467 0.88% 248,281
Clear Street Group Inc. TACOU $1,938,944 0.66% 180,032
Massar Capital Management, LP $1,929,551 0.66% 183,942
MIZUHO SECURITIES USA LLC $1,836,757 0.62% 175,096
RIVERNORTH CAPITAL MANAGEMENT, LLC $1,821,126 0.62% 173,606
SONA ASSET MANAGEMENT (US) LLC $1,737,206 0.59% 165,606
Schonfeld Strategic Advisors LLC $1,573,500 0.53% 150,000
Wealthspring Capital LLC $1,560,544 0.53% 148,765
Jefferies Financial Group Inc. $1,371,819 0.47% 130,774
O'Connor Alternative Investments LLC $1,049,000 0.36% 100,000
BlueCrest Capital Management Ltd $1,049,000 0.36% 100,000
GRITSTONE ASSET MANAGEMENT LLC $1,036,967 0.35% 98,853
HEIGHTS CAPITAL MANAGEMENT, INC $1,001,511 0.34% 95,473
StoneX Group Inc. $686,150 0.23% 65,410
OMERS ADMINISTRATION Corp TACOU $621,558 0.21% 57,712
GEODE CAPITAL MANAGEMENT, LLC $545,081 0.19% 51,962
JPMORGAN CHASE & CO TACOU $538,500 0.18% 50,000
LEVIN CAPITAL STRATEGIES, L.P. $525,391 0.18% 50,085
BNP PARIBAS ARBITRAGE, SA $482,623 0.16% 46,008
Cannon Global Investment Management, LLC $441,629 0.15% 42,100
HRT FINANCIAL LP $372,520 0.13% 35,512
Tuttle Capital Management, LLC $320,752 0.11% 30,577
ABC ARBITRAGE SA $314,700 0.11% 30,000
Clear Street Group Inc. $255,190 0.09% 24,327
READYSTATE ASSET MANAGEMENT LP $192,995 0.07% 18,398
CITADEL ADVISORS LLC TACOU $180,160 0.06% 16,728
Rangeley Capital, LLC $121,033 0.04% 11,538
FNY Investment Advisers, LLC $21,535 0.01% 2,053
UBS Group AG $6,849 0.00% 653
MORGAN STANLEY $199 0.00% 19
Saba Capital Management, L.P. TACOW — — 406,561
Schonfeld Strategic Advisors LLC TACOW — — 50,000
HRT FINANCIAL LP TACOW — — 17,761
Linden Advisors LP TACOW — — 744,699
TORONTO DOMINION BANK TACOW — — 198,605
Verition Fund Management LLC TACOW — — 151,242
GRITSTONE ASSET MANAGEMENT LLC TACOW — — 49,427
RIVERNORTH CAPITAL MANAGEMENT, LLC TACOW — — 87,472
D. E. Shaw & Co., Inc. TACOW — — 125,000
Polar Asset Management Partners Inc. TACOW — — 600,000
HGC Investment Management Inc. TACOW — — 175,000
Lineage Point Capital LP TACOW — — 483,388
BNP PARIBAS ARBITRAGE, SA TACOW — — 202,562
MILLENNIUM MANAGEMENT LLC TACOW — — 301,645
Rangeley Capital, LLC TACOW — — 16,000
Hudson Bay Capital Management LP TACOW — — 300,000
MOORE CAPITAL MANAGEMENT, LP TACOW — — 500,000
Governors Lane LP TACOW — — 285,006
PEAK6 LLC TACOW — — 146,262
Endure Capital Management, LLC TACOW — — 20,000
LMR Partners LLP TACOW — — 625,000
Harraden Circle Investments, LLC TACOW — — 1,341,238
TENOR CAPITAL MANAGEMENT Co., L.P. TACOW — — 400,000
Westchester Capital Management, LLC TACOW — — 37,499
StoneX Group Inc. TACOW — — 10,000
K2 PRINCIPAL FUND, L.P. TACOW — — 193,127
Magnetar Financial LLC TACOW — — 825,000
METEORA CAPITAL, LLC TACOW — — 826,401
READYSTATE ASSET MANAGEMENT LP TACOW — — 25,000
DLD Asset Management, LP TACOW — — 105,995
Walleye Capital LLC TACOW — — 277,787
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND TACOW — — 500,000
Shaolin Capital Management LLC TACOW — — 406,300
CSS LLC/IL TACOW — — 88,938
Key facts CIK 2033122 CUSIP G1051H101 13F (30d) 53 filings 53 filers Visit website