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ADAC · American Drive Acquisition Co · Holdings

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$10.09 +0.00 (+0.00%) At close · Sep 11
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 Topic 205-40, "Presentation of Financial Statements—Going Concern", management has determined that the Company currently lacks the liquidity it needs to sustain operations for a reasonable period of time, which is considered to be at least one year from the date that the accompanying unaudited condensed financial statements are issued as it expects to continue to incur significant costs in pursuit of its acquisition plans. In addition, management has determined that if the Company is unable to complete an initial Business Combination within the Completion Window, then the Company will cease all operations except for the purpose of liquidating. These conditions raise substantial doubt about the Company's ability to continue as a going concern. Management plans to consummate an initial Business Combination prior to the end of the Completion Window. No adjustments have been made to the carrying amounts of assets or liabilities should the Company be required to liquidate after December 19, 2027. There can be no assurance that the Company's plans to raise capital or to consummate an initial Business Combination will be successful.”
View the 10-Q filed Aug 14, 2026
Market Cap
$290.09M
Shares
28.75M

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: 66
Total Value: $219,986,460
Total Shares: 28,030,531
Showing 1–100 of 104 holdings by value · page 1 of 2

Institutional Ownership Trend

3 quarters

Holder Concentration

Across 66 13F filers · Δ vs Mar 31, 2026
Top Holder
5.7%
Dec 2025 → Jun 2026 · range 5.6% – 5.7%
+0.1 pts
Top 5
25.5%
Dec 2025 → Jun 2026 · range 25.1% – 25.5%
+0.3 pts
Top 10
46.1%
Dec 2025 → Jun 2026 · range 45.4% – 46.1%
+0.6 pts
HHI
315
Dec 2025 → Jun 2026 · range 302 – 315
Broadly held+8

Quarterly Activity

vs Mar 31, 2026
New
2
Increased
9
Decreased
10
Sold Out
5
Unchanged
45
Holder count: -3
Institutional value: -0.3%
Shares held: +1.1%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open
MMCAP International Inc. SPC +333,333 1,333,333
MILLENNIUM MANAGEMENT LLC +149,999 599,999
TIG Advisors, LLC +133,330 533,330
Kryger Capital LLC +94,765 394,091
GLAZER CAPITAL, LLC +28,541 443,188

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open
Context Capital Management, LLC −133,333 400,000
CSS LLC/IL −97,799 15,899
Clear Street Group Inc. −68,601 217,703
K2 PRINCIPAL FUND, L.P. −50,000 83,333
ABC ARBITRAGE SA −18,333 35,000

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 300,000 $3,006,000
MANGROVE PARTNERS IM, LLC 42,317 $424,016

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
SYQUANT CAPITAL SAS 200,000 $1,998,000
Calamos Advisors LLC 197,792 $1,975,942
DELTEC ASSET MANAGEMENT LLC 24,950 $247,005
Tuttle Capital Management, LLC 20,000 $199,800
FNY Investment Advisers, LLC 420 $4,195
Filter: New 2 Increased 9 Reduced 10 Sold out 5 Unchanged 45
Showing 100 of 104
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
ADAGE CAPITAL PARTNERS GP, L.L.C. $12,525,000 5.69% 1,250,000
TENOR CAPITAL MANAGEMENT Co., L.P. $12,525,000 5.69% 1,250,000
AQR Arbitrage LLC $10,746,389 4.89% 1,072,494
ARISTEIA CAPITAL, L.L.C. $10,188,336 4.63% 1,016,800
MMCAP International Inc. SPC $10,020,000 4.55% 1,000,000
Polar Asset Management Partners Inc. $10,020,000 4.55% 1,000,000
Alberta Investment Management Corp $10,020,000 4.55% 1,000,000
Magnetar Financial LLC $10,019,899 4.55% 999,990
HGC Investment Management Inc. $7,879,858 3.58% 786,413
PICTON MAHONEY ASSET MANAGEMENT $7,515,000 3.42% 750,000
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND $6,613,200 3.01% 660,000
D. E. Shaw & Co., Inc. $6,108,943 2.78% 609,675
Radcliffe Capital Management, L.P. $6,012,000 2.73% 600,000
BNP PARIBAS ARBITRAGE, SA $5,370,669 2.44% 535,995
LMR Partners LLP ADACU $5,115,000 2.33% 500,000
BlueCrest Capital Management Ltd ADACU $5,115,000 2.33% 500,000
HBK INVESTMENTS L P $5,010,010 2.28% 500,001
Ghisallo Capital Management LLC $5,010,000 2.28% 500,000
Linden Advisors LP $5,010,000 2.28% 500,000
SONA ASSET MANAGEMENT (US) LLC $4,840,571 2.20% 483,091
MILLENNIUM MANAGEMENT LLC $4,509,000 2.05% 450,000
GLAZER CAPITAL, LLC $4,434,230 2.02% 442,538
OMERS ADMINISTRATION Corp ADACU $4,092,000 1.86% 400,000
Context Capital Management, LLC $4,008,000 1.82% 400,000
TIG Advisors, LLC $4,008,000 1.82% 400,000
TWO SIGMA INVESTMENTS, LP $3,632,250 1.65% 362,500
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS $3,006,000 1.37% 300,000
Mint Tower Capital Management B.V. $3,006,000 1.37% 300,000
WHITEBOX ADVISORS LLC $3,006,000 1.37% 300,000
Kryger Capital LLC $2,949,046 1.34% 294,316
PEAK6 LLC ADACU $2,705,057 1.23% 264,424
WOLVERINE ASSET MANAGEMENT LLC $2,006,204 0.91% 200,220
L1 Global Manager Pty Ltd $2,004,000 0.91% 200,000
Shaolin Capital Management LLC $1,865,944 0.85% 186,222
JPMORGAN CHASE & CO $1,756,766 0.80% 175,326
Westchester Capital Management, LLC ADACU $1,534,498 0.70% 150,000
Clear Street Group Inc. $1,232,890 0.56% 123,043
MOORE CAPITAL MANAGEMENT, LP $1,002,000 0.46% 100,000
DLD Asset Management, LP $1,002,000 0.46% 100,000
Governors Lane LP $1,002,000 0.46% 100,000
Centiva Capital, LP $1,002,000 0.46% 100,000
MARSHALL WACE, LLP $1,001,999 0.46% 100,000
Hudson Bay Capital Management LP $1,001,989 0.46% 99,999
Periscope Capital Inc. $997,992 0.45% 99,600
RIVERNORTH CAPITAL MANAGEMENT, LLC $751,500 0.34% 75,000
TORONTO DOMINION BANK ADACU $538,098 0.24% 52,600
Kepos Capital LP $521,050 0.24% 52,001
Stoic Point Capital Management LLC ADACU $518,026 0.24% 50,638
PRELUDE CAPITAL MANAGEMENT, LLC ADACU $518,026 0.24% 50,638
Lineage Point Capital LP ADACU $514,701 0.23% 50,313
K2 PRINCIPAL FUND, L.P. $501,000 0.23% 50,000
STATE OF WISCONSIN INVESTMENT BOARD $501,000 0.23% 50,000
HEIGHTS CAPITAL MANAGEMENT, INC $501,000 0.23% 50,000
Clear Street Group Inc. ADACU $425,885 0.19% 41,631
MANGROVE PARTNERS IM, LLC $424,016 0.19% 42,317
ABC ARBITRAGE SA $350,700 0.16% 35,000
Quarry LP ADACU $255,750 0.12% 25,000
RLH Capital LLC ADACU $255,750 0.12% 25,000
SUSQUEHANNA INTERNATIONAL GROUP, LLP ADACU $255,750 0.12% 25,000
Karpus Management, Inc. $220,440 0.10% 22,000
PenderFund Capital Management Ltd. $166,843 0.08% 16,651
CSS LLC/IL $159,307 0.07% 15,899
TORONTO DOMINION BANK $149,298 0.07% 14,900
UBS Group AG ADACU $20,521 0.01% 2,006
GLAZER CAPITAL, LLC ADACU $6,649 0.00% 650
MORGAN STANLEY $410 0.00% 41
Mint Tower Capital Management B.V. ADACW — — 100,000
MOORE CAPITAL MANAGEMENT, LP ADACW — — 33,333
Kryger Capital LLC ADACW — — 99,775
Radcliffe Capital Management, L.P. ADACW — — 199,998
SONA ASSET MANAGEMENT (US) LLC ADACW — — 133,331
HEIGHTS CAPITAL MANAGEMENT, INC ADACW — — 16,666
MILLENNIUM MANAGEMENT LLC ADACW — — 149,999
STATE OF WISCONSIN INVESTMENT BOARD ADACW — — 16,666
Linden Advisors LP ADACW — — 166,665
HBK INVESTMENTS L P ADACW — — 166,667
BNP PARIBAS ARBITRAGE, SA ADACW — — 178,665
ARISTEIA CAPITAL, L.L.C. ADACW — — 338,932
D. E. Shaw & Co., Inc. ADACW — — 116,666
AQR Arbitrage LLC ADACW — — 357,495
Magnetar Financial LLC ADACW — — 333,330
Hudson Bay Capital Management LP ADACW — — 33,333
PICTON MAHONEY ASSET MANAGEMENT ADACW — — 249,999
WHITEBOX ADVISORS LLC ADACW — — 100,000
Periscope Capital Inc. ADACW — — 33,200
MMCAP International Inc. SPC ADACW — — 333,333
TIG Advisors, LLC ADACW — — 133,330
RIVERNORTH CAPITAL MANAGEMENT, LLC ADACW — — 25,000
K2 PRINCIPAL FUND, L.P. ADACW — — 33,333
HGC Investment Management Inc. ADACW — — 12,137
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND ADACW — — 220,000
TORONTO DOMINION BANK ADACW — — 10,000
Polar Asset Management Partners Inc. ADACW — — 333,333
ADAGE CAPITAL PARTNERS GP, L.L.C. ADACW — — 377,778
Parallax Volatility Advisers, L.P. ADACW — — 105,283
DLD Asset Management, LP ADACW — — 33,332
Shaolin Capital Management LLC ADACW — — 150,889
Alberta Investment Management Corp ADACW — — 333,333
WOLVERINE ASSET MANAGEMENT LLC ADACW — — 66,666
TENOR CAPITAL MANAGEMENT Co., L.P. ADACW — — 416,666
Key facts CIK 2083002 CUSIP G0R91M105 13F (30d) 42 filings 42 filers