Twelve Seas Investment Co III/Cayman - Class A Ordinary Shares, par value $0.0001 per share (TWLV)

Q: What does CUSIP G9145D101 represent in this 13F holders report?

CUSIP G9145D101 is the security identifier for TWLV - Twelve Seas Investment Co III/Cayman - Class A Ordinary Shares, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held TWLV - Twelve Seas Investment Co III/Cayman - Class A Ordinary Shares, par value $0.0001 per share in Q1 2026?

39 institutional investors reported TWLV - Twelve Seas Investment Co III/Cayman - Class A Ordinary Shares, par value $0.0001 per share for Q1 2026. Use the holders table for investor-level position and value details.

CUSIP: G9145D101

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class: Equity / Class A Ordinary Shares, par value $0.0001 per share
Total 13F shares: 13,611,367
Total 13F value: $134,528,688
Share change: +13,149,253
SEC-reported price per share: $9.87
Number of holders: 39
Value change: +$129,949,138
Number of buys: 38
Shares outstanding: 17,739,816

Security key

G9145D101

Report period

Q1 2026

Institutions

Top holders

TWLV full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Twelve Seas Investment Co III/Cayman SEC filings Twelve Seas Investment Co III/Cayman company facts

Broader feeds

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

Reporting periods

Holder history for CUSIP G9145D101

Newer quarter: Q2 2026

Recent filing periods:

Q2 2026 Q1 2026

Ownership snapshot

Top reported holders of TWLV - Twelve Seas Investment Co III/Cayman - Class A Ordinary Shares, par value $0.0001 per share (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

Twelve Seas Sponsor LLC

Disclosed value leader

ADAGE CAPITAL PARTNERS GP...

Comparable rows

15/15

Latest evidence

31 Dec 2025

3/4/5 13D/G 13F Lead comparable stake: 26% 13D/G row: Twelve Seas Sponsor LLC Showing 1-6 of 15 holder rows.

Quick read

Twelve Seas Sponsor LLC leads the comparable SEC ownership view at 26%.

15 of 15 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 Twelve Seas Sponsor LLC's linked filing trail.

Comparable ownership Top 5

Twelve Seas Sponsor LLC 26%

Adage Capital Management, L.P. 7.6%

TENOR CAPITAL MANAGEMENT Co., L.P. 5.2%

Linden Capital L.P. 5.1%

ADAGE CAPITAL PARTNERS GP, L.L.C. 8.8%

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

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Twelve Seas Sponsor LLC	3/4/5 13D/G 10%+ Owner 3/4/5 13D/G	26% from 13D/G	— 6,292,500 shares mixed-class rows	—	15 Dec 2025
Adage Capital Management, L.P.	13D/G 13D/G	7.6%	$13,311,000 1,350,000 shares	$0	31 Dec 2025
TENOR CAPITAL MANAGEMENT Co., L.P.	13F 13D/G Company · Tenor Capital Management Company, L.P. 13F 13D/G	5.2% from 13D/G	$7,960,000 800,000 shares	—	31 Dec 2025
Linden Capital L.P.	13D/G Linden Advisors LP 13D/G	5.1%	— 900,000 shares	$0	15 Dec 2025
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	8.8%	$13,432,500 1,350,000 shares	—	31 Dec 2025
LINDEN ADVISORS LP	13F Company 13F	5.9%	$8,955,000 900,000 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

13,611,367

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 Q1 2026 vs Q1 2026 Across Filers

Q1 2026 holders

Holder diff

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

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend