How many institutions held ADACU - American Drive Acquisition Co - Class A Ordinary Shares in Q4 2025?

66 institutional investors reported ADACU - American Drive Acquisition Co - Class A Ordinary Shares for Q4 2025. Use the holders table for investor-level position and value details.

American Drive Acquisition Co - Class A Ordinary Shares (ADACU)

Q: What does CUSIP G0R91M121 represent in this 13F holders report?

CUSIP G0R91M121 is the security identifier for ADACU - American Drive Acquisition Co - Class A Ordinary Shares used to aggregate holder disclosures.

CUSIP: G0R91M121

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Class A Ordinary Shares
Total 13F shares: 22,193,285
Total 13F value: $221,409,429
Share change: +21,357,289
SEC-reported price per share: $9.97
Number of holders: 66
Value change: +$213,063,829
Number of buys: 62
Shares outstanding: 22,727,273

Security key

G0R91M121

Report period

Q4 2025

Institutions

Top holders

ADACU full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 American Drive Acquisition Co SEC filings American Drive Acquisition Co company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP G0R91M121

Newer quarter: Q1 2026

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025

Ownership snapshot

Top reported holders of ADACU - American Drive Acquisition Co - Class A Ordinary Shares (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Petit Monts LLC

Disclosed value leader

Adage Capital Management,...

Comparable rows

4/4

Latest evidence

31 Dec 2025

13D/G Lead comparable stake: 25% 13D/G row: Petit Monts LLC

Quick read

Petit Monts LLC leads the comparable SEC ownership view at 25%.

4 of 4 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Petit Monts LLC's linked filing trail.

Comparable ownership Top 4

Petit Monts LLC 25%

TENOR CAPITAL MANAGEMENT Co., L.P. 6.3%

Adage Capital Management, L.P. 5.4%

MMCAP International Inc. SPC 4.4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-4 of 4 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Petit Monts LLC	13D/G 13D/G	25%	— 8,316,667 shares	$0	31 Dec 2025
TENOR CAPITAL MANAGEMENT Co., L.P.	13D/G Tenor Capital Management Company, L.P. 13D/G	6.3%	— 1,250,000 shares	$0	18 Dec 2025
Adage Capital Management, L.P.	13D/G 13D/G	5.4%	$12,500,000 1,250,000 shares	$0	31 Dec 2025
MMCAP International Inc. SPC	13D/G 13D/G	4.4%	$10,000,000 1,000,000 shares	$0	31 Dec 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

22,193,285

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2025 vs Q1 2026 Across Filers

Q1 2026 holders

Q4 2025 holders

Holder diff

Investor	Q1 2026 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q1 2026 value	Q4 2025 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend