SEC ownership of Tailwind 2.0 Acquisition Corp.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002076616.

Comparable stake leader

TAILWIND 2.0 SPONSOR LLC

Disclosed value leader

ADAGE CAPITAL PARTNERS GP, L.L.C.

Comparable rows

2/50

Latest evidence

30 Jun 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
2 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
TAILWIND 2.0 SPONSOR LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
30 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0002076616
Issuer location
Greenwich, CT

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.

Comparable stake leader
TAILWIND 2.0 SPONSOR LLC
Disclosed value leader
ADAGE CAPITAL PARTNERS GP...
Comparable rows
2/50
Latest evidence
30 Jun 2026
3/4/5 13D/G 13F Lead comparable stake: 25% 48 rows are not safely comparable across share classes. 13D/G row: TAILWIND 2.0 SPONSOR LLC Showing 1-8 of 50 holder rows.

Quick read

TAILWIND 2.0 SPONSOR LLC leads the comparable SEC ownership view at 25%.

2 of 50 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 TAILWIND 2.0 SPONSOR LLC's linked filing trail.
Comparable ownership Top 2
TAILWIND 2.0 SPONSOR LLC 25%
Adage Capital Management, L.P. 7.6%

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

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
TAILWIND 2.0 SPONSOR LLC
3/4/5 13D/G
10%+ Owner
25%
Reported 13D/G · 10 Nov 2025
—
372,500 shares
— 10 Nov 2025
Adage Capital Management, L.P.
13D/G
7.6%
Reported 13D/G · 31 Dec 2025
$13,324,500
1,350,000 shares
$0 31 Dec 2025
ADAGE CAPITAL PARTNERS GP, L.L.C.
13F
Company
13F
—
mixed-class rows
$13,679,100
2,350,000 shares
mixed-class rows
— 30 Jun 2026
D. E. Shaw & Co., Inc.
13F
Company
13F
—
denominator unverified
$8,454,488
842,500 shares
— 30 Jun 2026
GLAZER CAPITAL, LLC
13F
Company
13F
—
mixed-class rows
$7,491,000
1,321,352 shares
mixed-class rows
— 30 Jun 2026
Centiva Capital, LP
13F
Company
13F
—
mixed-class rows
$7,129,190
1,403,370 shares
mixed-class rows
— 30 Jun 2026
LINDEN ADVISORS LP
13F
Company
13F
—
mixed-class rows
$7,127,750
1,400,000 shares
mixed-class rows
— 30 Jun 2026
TENOR CAPITAL MANAGEMENT Co., L.P.
13F
Company
13F
—
mixed-class rows
$6,607,315
1,300,000 shares
mixed-class rows
— 30 Jun 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

No eligible buy or sell activity is available for this window. No eligible Buy or Sell transactions are available in this dataset since 02 Nov 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
Largest Forms 3/4/5 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 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-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
* marks a reported price that did not pass the local price check.
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