Holder evidence
50
SEC ownership of Tailwind 2.0 Acquisition Corp.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002076616.
Lead holder
TAILWIND 2.0 SPONSOR LLC
13D/G signal
TAILWIND 2.0 SPONSOR LLC
Latest evidence
31 Mar 2026
- CIK
- 0002076616
- Symbol
- TDWD, TDWDR, TDWDU on Nasdaq
- Location
- Greenwich, CT
- SEC evidence mix
- 3/4/5, 13D/G, and 13F
- Lead holder
- TAILWIND 2.0 SPONSOR LLC
- Latest large-stake holder
- TAILWIND 2.0 SPONSOR LLC
- Latest evidence date
- 31 Mar 2026
Issuer identity
Ownership snapshot
Ownership snapshot
Top shareholders of Tailwind 2.0 Acquisition Corp. (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
TAILWIND 2.0 SPONSOR LLC
13D/G signal
TAILWIND 2.0 SPONSOR LLC
Evidence rows
50
Latest as of
31 Mar 2026
3/4/5
13D/G
13F
Lead comparable stake: 25%
13D/G row: TAILWIND 2.0 SPONSOR LLC
Showing 1-8 of 50 holder rows.
Rank 1 holder
TAILWIND 2.0 SPONSOR LLC
3/4/5
13D/G
- Ownership
- 25%
- Position
- —
Rank 2 holder
Adage Capital Management, L.P.
13D/G
- Ownership
- 7.6%
- Position
- $13.32M
Rank 3 holder
D. E. Shaw & Co., Inc.
13F
- Ownership
- 4.7%
- Position
- $8.37M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| TAILWIND 2.0 SPONSOR LLC |
3/4/5
13D/G
10%+ Owner
|
25%
from 13D/G
|
—
372,500 shares
|
— | 10 Nov 2025 |
| Adage Capital Management, L.P. |
13D/G
|
7.6%
|
$13,324,500
1,350,000 shares
|
$0 | 31 Dec 2025 |
| D. E. Shaw & Co., Inc. |
13F
Company
|
4.7%
|
$8,374,450
842,500 shares
|
— | 31 Mar 2026 |
| First Trust Capital Management L.P. |
13F
Company
|
2.2%
|
$3,968,000
400,000 shares
|
— | 31 Mar 2026 |
| TWO SIGMA INVESTMENTS, LP |
13F
Company
|
1.5%
|
$2,697,000
271,875 shares
|
— | 31 Mar 2026 |
| SONA ASSET MANAGEMENT (US) LLC |
13F
Company
|
1.5%
|
$2,659,552
268,100 shares
|
— | 31 Mar 2026 |
| Karpus Management, Inc. |
13F
Company
|
1%
|
$1,756,693
177,086 shares
|
— | 31 Mar 2026 |
| Logan Stone Capital, LLC |
13F
Company
|
0.59%
|
$1,047,483
105,593 shares
|
— | 31 Mar 2026 |
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.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 01 Jun 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-9 of 9 reporting-owner rows connected to Tailwind 2.0 Acquisition Corp.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
9
Lead holder
Thomas Barnaby Stadlen
Net 12M change
$0
Latest report
10 Nov 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Thomas Barnaby Stadlen | Director | Mixed | 06 Nov 2025 | |||
| Ralph Alexander | Director | Mixed | 06 Nov 2025 | |||
| TAILWIND 2.0 SPONSOR LLC | 10%+ Owner | Mixed | 10 Nov 2025 | |||
| Alan Sheriff | Director | Mixed | 06 Nov 2025 | |||
| Eliot Chase Cotton | General Counsel | Mixed | 06 Nov 2025 | |||
| Sharo M. Atmeh | Chief Executive Officer, Director | Mixed | 06 Nov 2025 | |||
| Evan Marc Caron | Director | Mixed | 06 Nov 2025 | |||
| Andreas Douglas Penna | Director | Mixed | 06 Nov 2025 | |||
| Michael Ralph Delucia | Chief Financial Officer | Mixed | 06 Nov 2025 |
Recent insider transactions for Tailwind 2.0 Acquisition Corp.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Reported value | Reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Tailwind 2.0 Sponsor Llc | TDWD | Class A Ordinary Shares | Purchase | 372,500 | 372,500 | 10 Nov 2025 | Direct |
* indicates a reported price that failed the local validity check.