Comparable stake leader
CGC IV Sponsor LLC
SEC ownership of Cartesian Growth Corp IV
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002126043.
Disclosed value leader
MMCAP International Inc. SPC
Comparable rows
50/50
Latest evidence
08 Aug 2026
- Public ticker
- CGCF, CGCFU on Nasdaq
- Parsed ownership sources
-
3/4/5, 13D/G, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
CGC IV Sponsor LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
CGC IV Sponsor LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
08 Aug 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0002126043
- Issuer location
- New York, NY
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Cartesian Growth Corp IV (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
CGC IV Sponsor LLC
Disclosed value leader
MMCAP International Inc. SPC
Comparable rows
50/50
Latest evidence
08 Aug 2026
3/4/5
13D/G
13F
Lead comparable stake: 20%
13D/G row: CGC IV Sponsor LLC
Showing 1-8 of 50 holder rows.
Quick read
CGC IV Sponsor LLC leads the comparable SEC ownership view at 20%.
50 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 CGC IV Sponsor LLC's linked filing trail.
Comparable ownership
Top 5
CGC IV Sponsor LLC
20%
MMCAP International Inc. SPC
8.5%
LMR Partners LLP
6.4%
Magnetar Financial LLC
6.4%
Wealthspring Capital LLC
4.9%
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 |
|---|---|---|---|---|---|
| CGC IV Sponsor LLC |
3/4/5
13D/G
10%+ Owner
|
20%
from 13D/G
|
—
6,775,000 shares
|
— | 08 Aug 2026 |
| MMCAP International Inc. SPC |
13F
13D/G
Company
|
8.5%
from 13D/G
|
$23,500,000
2,350,000 shares
|
— | 30 Jun 2026 |
| LMR Partners LLP |
13F
13D/G
Company
|
6.4%
from 13D/G
|
$17,500,000
1,750,000 shares
|
— | 30 Jun 2026 |
| Magnetar Financial LLC |
13F
13D/G
Company
|
6.4%
from 13D/G
|
$17,500,000
1,750,000 shares
|
— | 30 Jun 2026 |
| Wealthspring Capital LLC |
13F
Company
|
4.9%
|
$13,492,290
1,349,229 shares
|
— | 30 Jun 2026 |
| Alberta Investment Management Corp |
13F
Company
|
4.8%
|
$13,000,000
1,300,000 shares
|
— | 30 Jun 2026 |
| AQR Arbitrage LLC |
13F
Company
|
4.7%
|
$12,967,200
1,296,720 shares
|
— | 30 Jun 2026 |
| Alyeska Investment Group, L.P. |
13F
Company
|
4.6%
|
$12,500,000
1,250,000 shares
|
— | 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
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 02 Sep 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 1-6 of 6 reporting-owner rows connected to Cartesian Growth Corp IV. Open a relationship link for the CIK-to-CIK filing trail.
Rows
6
Largest Forms 3/4/5 holder
Quintana Eduardo Agustin Ojea
Net 12M change
$0
Latest report
08 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Quintana Eduardo Agustin Ojea | Director | Mixed | 24 Jun 2026 | |||
| Monica Roma Wilson | Director | Mixed | 24 Jun 2026 | |||
| Nam Trinh | Chief Financial Officer, Director | Mixed | 24 Jun 2026 | |||
| Peter Yu | Chairman and CEO, Director, 10%+ Owner | Mixed | 08 Aug 2026 | |||
| Yongchen Lu | Director | Mixed | 24 Jun 2026 | |||
| CGC IV Sponsor LLC | 10%+ Owner | Mixed | 08 Aug 2026 |
Recent insider transactions for Cartesian Growth Corp IV
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| CGC IV Sponsor LLC | CGCF | Class B ordinary shares | Other | -4.41% | -312,500 | 6,775,000 | 08 Aug 2026 | Direct | ||
| CGC IV Sponsor LLC | CGCF | Class B ordinary shares | Other | -4.41% | -312,500 | 6,775,000 | 08 Aug 2026 | Direct |
* marks a reported price that did not pass the local price check.