How many institutions held ADACU - American Drive Acquisition Co - Class A Ordinary Shares in Q1 2026?

26 institutional investors reported ADACU - American Drive Acquisition Co - Class A Ordinary Shares for Q1 2026. 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

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class: Equity / Class A Ordinary Shares
Shares outstanding: 22,727,273
Total 13F shares: 4,670,275
Share change: -16,752,373
Total reported value: $46,623,849
Reported price per share: $9.98
Number of holders: 26
Value change: -$166,962,016
Number of buys: 7
Number of sells: 43

Security key

G0R91M121

Report period

Q1 2026

Institutions

Top holders

ADACU full security history Ownership snapshot Full 13F holder table Previous quarter: Q4 2025 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

Previous quarter: Q4 2025

Recent filing periods:

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.

Lead holder

Petit Monts LLC

13D/G signal

Petit Monts LLC

Evidence rows

Latest as of

06 Feb 2026

3/4/5 13D/G 13F Lead comparable stake: 25% 13D/G row: Petit Monts LLC Showing 1-6 of 15 holder rows.

Rank 1 holder

Petit Monts LLC

3/4/5 13D/G

Ownership: 25%
Position: —

3/4/5 13D/G

Rank 2 holder

TENOR CAPITAL MANAGEMENT Co., L.P.

13F 13D/G

Ownership: 6.3%
Position: $12.46M

13F 13D/G

Rank 3 holder

Adage Capital Management, L.P.

13D/G

Ownership: 5.4%
Position: $12.5M

13D/G

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Petit Monts LLC	3/4/5 13D/G 10%+ Owner 3/4/5 13D/G	25% from 13D/G	— 5,650,000 shares	—	06 Feb 2026
TENOR CAPITAL MANAGEMENT Co., L.P.	13F 13D/G Company · Tenor Capital Management Company, L.P. 13F 13D/G	6.3% from 13D/G	$12,462,500 1,250,000 shares	—	31 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 13F Company 13D/G 13F	4.4%	$10,000,000 1,000,000 shares	$0	31 Dec 2025
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	5.5%	$12,462,500 1,250,000 shares	—	31 Dec 2025
AQR Arbitrage LLC	13F Company 13F	4.7%	$10,629,400 1,064,004 shares	—	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 Q1 2026

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

Institutions

4,670,275

Rows available

Investor	Option	Weight %	Change %	Reported value	* Price	Shares	Share Change	Activity	Report Period

^* 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 failed the local validity check.

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

Q1 2026 holders

Holder diff

-40

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

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend