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TACO · Berto Acquisition Corp. · Holdings

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$10.47 -0.01 (-0.05%)
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
$393.01M
Shares
37.52M
Volume · Oct 21 1285 Avg daily vol (3M) 62.78K

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 → See every holder of TACO: 13F, 13D and 13G, insiders and funds →
Institutional holdings are being reconciled with SEC filings. Holder totals and changes may be incomplete until reconciliation finishes.
The Sep 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out. Each fund's Change is measured against its own previous reported quarter, shown in the Reported column. Pick a completed quarter in the Quarter selector below to put every fund on one quarter and see the stock-wide activity breakdown.
Holders: 76
Total Value: $299,158,564
Total Shares: 41,282,902
Showing 1–100 of 116 holdings by value · page 1 of 2

Institutional Ownership Trend

6 quarters

Holder Concentration

Across 76 13F filers
Top Holder
5.8%
Jun 2025 → Jun 2026 · range 5.8% – 7.0%
of institutional value
Top 5
26.2%
Jun 2025 → Jun 2026 · range 26.2% – 30.2%
of institutional value
Top 10
46.1%
Jun 2025 → Jun 2026 · range 46.1% – 49.8%
of institutional value
HHI
312
Jun 2025 → Jun 2026 · range 312 – 349
Broadly held

Who Holds TACO

Last 6 quarters through Sep 30, 2026 (filing window open)

Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.

Jun 30, 2026, the newest closed quarter: 76 filers, like-for-like change +2.1%; actively managed books +2.6%; index-like books -21.5%.

Holder type Share Filers Change
Registered adviser 69.8% 38 +5.8%
Exempt adviser 4.4% 2 0.0%
Adviser 6.0% 4 -0.8%
Bank 1.5% 3 -3.7%
Insurer 3.0% 1 -32.7%
Broker-dealer 0.4% 1 0.0%
Benefit plan 0.1% 1 0.0%
Non-US 3.2% 4 0.0%
Holding company 1.3% 3 0.0%
Unknown 10.2% 19 -2.2%

The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.

How the mix is measured

Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.

Conviction and Crowding

63 13F filers, quarter ended Jun 30, 2026

Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.

Conviction holders
1
1.59% of filers hold it in their top 10
Mar 31, 2026: 0
Holders above 5%
0
median weight 0.213%
Mar 31, 2026: 0
Crowding
60.7%
of shares outstanding, 99th percentile
Mar 31, 2026: 61.9%
Private-fund advisers
54.6%
of shares outstanding
Institutional ownership
75.1%
87.8% of the estimated free float
Top 10 holders
46.7%
of 13F shares, Herfindahl 0.032
Active holders
+4.0%
like-for-like share change of active filers
5% stakes on record
1
0 13D, 1 13G (0 institutional, 0 passive, 1 exempt)
How long holders have held it value-weighted 4.2 quarters
Under 1 year 24.0% 1 to 3 years 76.0% 3 years or more 0.000% Since coverage start 0.000%

Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).

Estimated Holder Cost Basis

Quarter ended Jun 30, 2026, on that quarter's share basis

Estimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.

Estimated avg cost
$10.31
estimated per share
Mar 31, 2026: $10.26
Quarter-end price
$10.49
implied by 13F values
Estimated gain or loss
+1.8%
price against the estimated cost
Estimated at a loss
0.000%
of costed 13F value

Estimated cost covers 24.1% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.

Shared Holders

Companies TACO's active holders also own, quarter ended Jun 30, 2026
# Company Shared holders
1 IPCX Inflection Point Acquisition Corp. III 8
2 ANSC Agriculture & Natural Solutions Acquisition Corp 8
3 KOYN CSLM Digital Asset Acquisition Corp III, Ltd 6
4 POLE Andretti Acquisition Corp. II 7
5 XRPNU Armada Acquisition Corp. II 6
6 EGHA EGH Acquisition Corp. 4
7 DRDB Roman DBDR Acquisition Corp. II 6
8 JACS Jackson Acquisition Co II 8
9 APXT Apex Treasury Corp 6
10 ONEN ONE Nuclear Energy Inc. 5

Shareholder Targets

13F filers that own its peers but not TACO, quarter ended Jun 30, 2026

Found through its holder-overlap peers: IPCX, ANSC, KOYN, POLE, XRPNU, EGHA, DRDB, JACS, APXT, ONEN, VNME, YCY, MLAA, LATA, CHAR, GPAC, LPAA, WENN, AXIN, CCAQ. 78 filers in all.

# Filer In peers
1 PICTON MAHONEY ASSET MANAGEMENT Non-US, Diversified active $92,003,639 16 held
2 Karpus Management, Inc. Adviser, Diversified active $77,850,893 13 held
3 ADAGE CAPITAL PARTNERS GP, L.L.C. Registered adviser, Diversified active $75,114,000 4 held
4 WHITEBOX ADVISORS LLC Registered adviser, Diversified active $63,233,950 19 held
5 Arrington Capital Management, LLC Registered adviser, Concentrated $60,394,320 1 held
6 MMCAP International Inc. SPC Unknown, Diversified active $55,064,200 6 held
7 Fort Baker Capital Management LP Registered adviser, Concentrated $36,204,010 4 held
8 RiverPark Advisors, LLC Registered adviser, Diversified active $30,152,379 6 held
9 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS Unknown, Diversified active $24,992,489 8 held
10 MANGROVE PARTNERS IM, LLC Registered adviser, Diversified active $24,276,435 6 held

Fund Ownership of TACO by Fund Type

Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026

Index funds and index ETFs hold 0.00% of shares outstanding.

Fund type Of shares outstanding Shares
Index funds 0.00% 0
Index ETFs 0.00% 0
Active ETFs 0.08% 30,577
Active funds 1.76% 658,865
Unclassified 0.00% 0
All registered funds 1.84% 689,442
How fund types are measured

Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.

Holder type: Registered adviser 38 Exempt adviser 2 Adviser 4 Bank 3 Insurer 1 Broker-dealer 1 Benefit plan 1 Non-US 4 Holding company 3 Unknown 19
Showing 100 of 116
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Magnetar Financial LLC $17,308,500 5.79% 1,650,000
Centiva Capital, LP $16,137,732 5.39% 1,538,392
Linden Advisors LP $15,735,000 5.26% 1,500,000
GLAZER CAPITAL, LLC $15,106,565 5.05% 1,440,092
Governors Lane LP $14,161,500 4.73% 1,350,000
Hudson Bay Capital Management LP $13,286,623 4.44% 1,266,599
BERKLEY W R CORP $12,860,729 4.30% 1,225,999
Polar Asset Management Partners Inc. $11,539,000 3.86% 1,100,000
AQR Arbitrage LLC $11,330,144 3.79% 1,080,090
MOORE CAPITAL MANAGEMENT, LP $10,490,000 3.51% 1,000,000
Verbena Value LP $9,417,345 3.15% 897,745
TENOR CAPITAL MANAGEMENT Co., L.P. $8,392,000 2.81% 800,000
TWO SIGMA INVESTMENTS, LP $8,384,111 2.80% 799,248
LMR Partners LLP $8,106,220 2.71% 772,757
Verition Fund Management LLC $7,823,567 2.62% 745,812
Westchester Capital Management, LLC $7,381,098 2.47% 703,632
Harraden Circle Investments, LLC $6,810,989 2.28% 649,284
HIGHBRIDGE CAPITAL MANAGEMENT LLC $6,498,701 2.17% 619,514
Crossingbridge Advisors, LLC $6,451,350 2.16% 615,000
WOLVERINE ASSET MANAGEMENT LLC $6,269,327 2.10% 597,648
D. E. Shaw & Co., Inc. $5,606,800 1.87% 534,490
SkyView Investment Advisors, LLC $4,548,978 1.52% 433,649
Mint Tower Capital Management B.V. $4,307,907 1.44% 410,668
GOLDMAN SACHS GROUP INC $4,249,750 1.42% 405,124
Radcliffe Capital Management, L.P. $4,117,880 1.38% 392,553
First Trust Capital Management L.P. $3,692,480 1.23% 352,000
TORONTO DOMINION BANK $3,681,990 1.23% 351,000
ARISTEIA CAPITAL, L.L.C. $3,653,142 1.22% 348,250
DLD Asset Management, LP $3,147,083 1.05% 300,008
Parallax Volatility Advisers, L.P. $3,091,403 1.03% 294,700
Periscope Capital Inc. $2,884,750 0.96% 275,000
Mercuria Capital Strategies, LLC $2,841,824 0.95% 270,908
CSS LLC/IL $2,840,786 0.95% 270,809
Lineage Point Capital LP $2,820,446 0.94% 268,870
Context Capital Management, LLC $2,622,500 0.88% 250,000
MILLENNIUM MANAGEMENT LLC $2,622,500 0.88% 250,000
Alberta Investment Management Corp $2,622,500 0.88% 250,000
Shaolin Capital Management LLC $2,604,467 0.87% 248,281
Clear Street Group Inc. TACOU $1,938,944 0.65% 180,032
Massar Capital Management, LP $1,929,551 0.64% 183,942
MIZUHO SECURITIES USA LLC $1,836,757 0.61% 175,096
RIVERNORTH CAPITAL MANAGEMENT, LLC $1,821,126 0.61% 173,606
SONA ASSET MANAGEMENT (US) LLC $1,737,206 0.58% 165,606
Schonfeld Strategic Advisors LLC $1,573,500 0.53% 150,000
Wealthspring Capital LLC $1,560,544 0.52% 148,765
Jefferies Financial Group Inc. $1,371,819 0.46% 130,774
O'Connor Alternative Investments LLC $1,049,000 0.35% 100,000
BlueCrest Capital Management Ltd $1,049,000 0.35% 100,000
GRITSTONE ASSET MANAGEMENT LLC $1,036,967 0.35% 98,853
HEIGHTS CAPITAL MANAGEMENT, INC $1,001,511 0.33% 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 0.18% 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 0.12% 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 0.06% 18,398
CITADEL ADVISORS LLC TACOU $180,160 0.06% 16,728
HIGHBRIDGE CAPITAL MANAGEMENT LLC TACOW $178,128 0.06% 244,011
Rangeley Capital, LLC $121,033 0.04% 11,538
FNY Investment Advisers, LLC $21,494 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
Verition Fund Management LLC TACOW — — 151,242
HRT FINANCIAL LP TACOW — — 17,761
Linden Advisors LP TACOW — — 744,699
TORONTO DOMINION BANK TACOW — — 198,605
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
Context Capital Management, LLC TACOW — — 150,000
HGC Investment Management Inc. TACOW — — 175,000
SkyView Investment Advisors, LLC TACOW — — 15,092
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
Wealthspring Capital LLC TACOW — — 150,000
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

Showing the top 100 of 116 holders. Create a free account to see every holder, past quarters, search, filters and CSV export.

Key facts CIK 2033122 CUSIP G1051H101 13F (30d) 1 filings 1 filers Visit website Investor relations