Latest Period
Q2 2026
Security Snapshot
Twelve Seas Investment Co III/Cayman - Class A Ordinary Shares, par value $0.0001 per share (TWLV) Institutional Ownership
CUSIP: G9145D101
13F Institutional Holders and Ownership History from Q1 2026 to Q2 2026
Institutions Reporting
48
Shares (Excl. Options)
15,148,284
Price
$9.99
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- Security type / class
- Equity / Class A Ordinary Shares, par value $0.0001 per share
- Symbol
- TWLV on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 15,148,284
- Total 13F value
- $151,366,486
- Portfolio coverage rank
- 0%
- Share change
- +1,536,917
- Value change
- +$15,353,881
- Number of holders
- 48
- Shares outstanding
- 17,739,816
- SEC-reported price per share
- $9.99
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- TWLV - Twelve Seas Investment Co III/Cayman - Class A Ordinary Shares, par value $0.0001 per share is tracked under CUSIP G9145D101.
- 48 institutions reported positions in Q2 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 39 to 48 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $134,528,688 to $151,366,486.
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 48 institutions filings for Q2 2026.
Security key
G9145D101
Latest holder period
Q2 2026
13F holders
48
13D/G owners
2
CIK / CUSIP context first
Open Q2 2026 holders
TWLV full holder history
Twelve Seas Investment Co III/Cayman SEC filings
Twelve Seas Investment Co III/Cayman company facts
Twelve Seas Investment Co III/Cayman insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G9145D101:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
TWLV
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Twelve Seas Sponsor LLC | 26% | 5,992,500 | Twelve Seas Sponsor LLC | 15 Dec 2025 | ||||
| Adage Capital Management, L.P. | 7.6% | $13,311,000 | 1,350,000 | Adage Capital Management, L.P. | 31 Dec 2025 |
As of 30 Jun 2026, 48 institutional investors reported holding 15,148,284 shares of Twelve Seas Investment Co III/Cayman - Class A Ordinary Shares, par value $0.0001 per share (TWLV). This represents 85% of the company’s total 17,739,816 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
72%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 7.6% | 1,350,000 | 0% | 0.02% | $13,486,500 |
| Linden Advisors LP | 5.1% | 900,000 | 0% | 0.05% | $8,991,000 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 4.5% | 800,000 | 0% | 0.11% | $7,992,000 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 4.5% | 800,000 | 0.01% | $7,992,000 | |
| AQR Arbitrage LLC | 4.3% | 757,538 | +1.8% | 0.11% | $7,567,805 |
| ARISTEIA CAPITAL, L.L.C. | 3.4% | 600,000 | 0% | 0.09% | $5,994,000 |
| Alberta Investment Management Corp | 3.4% | 600,000 | 0% | 0.03% | $5,994,000 |
| Polar Asset Management Partners Inc. | 3.4% | 600,000 | 0% | 0.11% | $5,994,000 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 2.8% | 500,000 | 0% | 0.24% | $5,030,000 |
| Radcliffe Capital Management, L.P. | 2.8% | 500,000 | 0% | 0.38% | $4,995,000 |
| BNP PARIBAS FINANCIAL MARKETS | 2.6% | 462,114 | 0% | 0% | $4,616,519 |
| WOLVERINE ASSET MANAGEMENT LLC | 2.3% | 402,063 | +143% | 0.05% | $4,016,609 |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 2.3% | 400,000 | 0% | 0.02% | $3,996,000 |
| MMCAP International Inc. SPC | 2.3% | 400,000 | 0% | 0.34% | $3,996,000 |
| BlueCrest Capital Management Ltd | 2.3% | 400,000 | 0% | 0.17% | $3,996,000 |
| PICTON MAHONEY ASSET MANAGEMENT | 2.3% | 400,000 | 0% | 0.04% | $3,996,001 |
| Magnetar Financial LLC | 2.3% | 400,000 | 0% | 0.04% | $3,996,000 |
| GLAZER CAPITAL, LLC | 2% | 352,373 | +0.55% | 0.09% | $3,520,000 |
| Hudson Bay Capital Management LP | 2% | 350,000 | 0% | 0.02% | $3,496,500 |
| Periscope Capital Inc. | 2% | 350,000 | +7.7% | 0.56% | $3,496,500 |
| HEIGHTS CAPITAL MANAGEMENT, INC | 2% | 350,000 | 0% | 0.81% | $3,496,500 |
| Shaolin Capital Management LLC | 1.9% | 329,200 | -33% | 0.31% | $3,288,708 |
| SONA ASSET MANAGEMENT (US) LLC | 1.7% | 301,000 | 0% | 0.11% | $3,006,990 |
| TWO SIGMA INVESTMENTS, LP | 1.5% | 271,875 | 0% | 0% | $2,716,031 |
| Crossingbridge Advisors, LLC | 1.5% | 270,000 | -10% | 0.48% | $2,697,300 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
2
Latest
Q2 2026
Rows shown
1-2 of 2