Latest Period
Q1 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
39
Shares (Excl. Options)
13,611,367
Price
$9.87
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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 31 Mar 2026
- Q1 2026
- Total 13F shares
- 13,611,367
- Total 13F value
- $134,528,688
- Portfolio coverage rank
- 0%
- Share change
- +13,149,253
- Value change
- +$129,949,138
- Number of holders
- 39
- 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.
- 39 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 39 to 7 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $134,528,688 to $13,891,045.
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 39 institutions filings for Q1 2026.
Security key
G9145D101
Latest holder period
Q1 2026
13F holders
39
13D/G owners
2
CIK / CUSIP context first
Open Q1 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 31 Mar 2026, 39 institutional investors reported holding 13,611,367 shares of Twelve Seas Investment Co III/Cayman - Class A Ordinary Shares, par value $0.0001 per share (TWLV). This represents 77% 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
69%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 7.6% | 1,350,000 | 0.02% | $13,324,500 | |
| Linden Advisors LP | 5.1% | 900,000 | 0.05% | $8,919,000 | |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 4.5% | 800,000 | 0.12% | $7,896,000 | |
| AQR Arbitrage LLC | 4.2% | 744,038 | 0.12% | $7,373,417 | |
| Alberta Investment Management Corp | 3.4% | 600,000 | 0.04% | $5,946,000 | |
| ARISTEIA CAPITAL, L.L.C. | 3.4% | 600,000 | 0.14% | $5,922,000 | |
| Polar Asset Management Partners Inc. | 3.4% | 600,000 | 0.14% | $5,928,000 | |
| Radcliffe Capital Management, L.P. | 2.8% | 500,000 | 0.37% | $4,935,000 | |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 2.8% | 500,000 | 0.25% | $4,935,000 | |
| Shaolin Capital Management LLC | 2.8% | 491,652 | 0.4% | $4,852,605 | |
| BNP PARIBAS FINANCIAL MARKETS | 2.6% | 462,114 | 0% | 0% | $4,579,550 |
| MMCAP International Inc. SPC | 2.3% | 400,000 | 0.34% | $3,948,000 | |
| Magnetar Financial LLC | 2.3% | 400,000 | 0.04% | $3,964,000 | |
| PICTON MAHONEY ASSET MANAGEMENT | 2.3% | 400,000 | 0.04% | $3,948,000 | |
| BlueCrest Capital Management Ltd | 2.3% | 400,000 | 0.37% | $3,964,000 | |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | 2.3% | 400,000 | 0.02% | $3,948,000 | |
| GLAZER CAPITAL, LLC | 2% | 350,449 | 0.07% | $3,459,000 | |
| Hudson Bay Capital Management LP | 2% | 350,000 | 0.02% | $3,468,500 | |
| HEIGHTS CAPITAL MANAGEMENT, INC | 2% | 350,000 | 0.97% | $3,468,500 | |
| Periscope Capital Inc. | 1.8% | 325,000 | 0.56% | $3,209,044 | |
| SONA ASSET MANAGEMENT (US) LLC | 1.7% | 301,000 | 0.11% | $2,970,870 | |
| Crossingbridge Advisors, LLC | 1.7% | 300,000 | 0.54% | $2,962,200 | |
| Karpus Management, Inc. | 1.6% | 277,715 | 0.09% | $2,741,047 | |
| TWO SIGMA INVESTMENTS, LP | 1.5% | 271,875 | 0% | $2,683,406 | |
| Schonfeld Strategic Advisors LLC | 1.4% | 250,429 | 0.02% | $2,471,734 |
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