Latest Period
Q1 2026
Security Snapshot
American Drive Acquisition Co - Class A Ordinary Shares (ADACU) Institutional Ownership
CUSIP: G0R91M121
13F Institutional Holders and Ownership History from Q4 2025 to Q1 2026
Institutions Reporting
26
Shares (Excl. Options)
4,670,275
Price
$9.98
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- Security type / class
- Equity / Class A Ordinary Shares
- Symbol
- ADACU on Nasdaq
- Shares outstanding
- 22,727,273
- Reported price per share
- $9.98
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 4,670,275
- Total reported value
- $46,623,849
- Portfolio coverage rank
- 0%
- Share change
- -16,752,373
- Value change
- -$166,962,016
- Number of holders
- 26
Security identity
Issuer context
Latest holder snapshot
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- ADACU - American Drive Acquisition Co - Class A Ordinary Shares is tracked under CUSIP G0R91M121.
- 26 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 66 to 26 between Q4 2025 and Q1 2026.
- Reported value moved from $221,409,429 to $46,623,849.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 26 institutions filings for Q1 2026.
Security key
G0R91M121
Latest holder period
Q1 2026
13F holders
26
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
ADACU full holder history
American Drive Acquisition Co SEC filings
American Drive Acquisition Co company facts
American Drive Acquisition Co insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G0R91M121:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
ADACU
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| TENOR CAPITAL MANAGEMENT Co., L.P. | 6.3% | 1,250,000 | Tenor Capital Management Company, L.P. | 18 Dec 2025 | ||||
| Adage Capital Management, L.P. | 5.4% | $12,500,000 | 1,250,000 | Adage Capital Management, L.P. | 31 Dec 2025 | |||
| MMCAP International Inc. SPC | 4.4% | -12% | $10,000,000 | 1,000,000 | 0% | MMCAP International Inc. SPC | 31 Dec 2025 |
As of 31 Mar 2026, 26 institutional investors reported holding 4,670,275 shares of American Drive Acquisition Co - Class A Ordinary Shares (ADACU). This represents 21% of the company’s total 22,727,273 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
21%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| MMCAP International Inc. SPC | 4.4% | 1,000,000 | 0% | 0.86% | $9,990,000 |
| BlueCrest Capital Management Ltd | 2.2% | 500,000 | 0% | 0.47% | $4,985,000 |
| LMR Partners LLP | 2.2% | 500,000 | 0% | 0.05% | $4,995,000 |
| MILLENNIUM MANAGEMENT LLC | 2% | 450,000 | 0% | 0% | $4,495,500 |
| TIG Advisors, LLC | 1.8% | 400,000 | 0% | 0.19% | $3,994,000 |
| OMERS ADMINISTRATION Corp | 1.8% | 400,000 | 0% | 0.03% | $3,996,000 |
| PEAK6 LLC | 1.2% | 264,424 | +156% | 0.08% | $2,636,307 |
| SYQUANT CAPITAL SAS | 0.88% | 200,000 | 0% | 0.31% | $1,994,000 |
| L1 Global Manager Pty Ltd | 0.88% | 200,000 | 0% | 1.6% | $1,998,000 |
| Calamos Advisors LLC | 0.87% | 197,792 | 0% | 0.01% | $1,971,986 |
| Westchester Capital Management, LLC | 0.66% | 150,000 | 0% | 0.07% | $1,495,500 |
| PRELUDE CAPITAL MANAGEMENT, LLC | 0.22% | 50,638 | +1.3% | 0.04% | $505,874 |
| Stoic Point Capital Management LLC | 0.22% | 50,638 | +1.3% | 0.5% | $504,861 |
| TORONTO DOMINION BANK | 0.22% | 50,600 | +1.2% | 0% | $505,494 |
| Lineage Point Capital LP | 0.22% | 50,313 | +0.63% | 0.12% | $502,375 |
| HEIGHTS CAPITAL MANAGEMENT, INC | 0.22% | 50,000 | 0% | 0.14% | $498,500 |
| Kryger Capital LLC | 0.16% | 35,359 | 0% | 0.02% | $353,236 |
| RLH Capital LLC | 0.11% | 25,000 | 0% | 0.13% | $249,625 |
| Quarry LP | 0.11% | 25,000 | 0% | 0.05% | $249,625 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.11% | 25,000 | 0% | 0% | $249,250 |
| Clear Street Group Inc. | 0.1% | 22,442 | -89% | 0% | $224,196 |
| Tuttle Capital Management, LLC | 0.09% | 20,000 | 0% | 0.33% | $199,400 |
| UBS Group AG | 0.01% | 2,008 | +0.05% | 0% | $20,020 |
| GLAZER CAPITAL, LLC | 0% | 631 | -100% | 0% | $6,000 |
| FNY Investment Advisers, LLC | 0% | 420 | +91% | 0% | $4,000 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
2
Latest
Q1 2026
Rows shown
1-2 of 2