Comparable stake leader
Quarry LP
SEC ownership of Chain Bridge I
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001845149.
Disclosed value leader
Polar Asset Management Partners Inc.
Comparable rows
2/4
Latest evidence
30 Jun 2025
- Public ticker
- CBRRF, CBGGF, CBRGF on OTC
- Parsed ownership sources
-
13D/G and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Quarry LP
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
2 of 4
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Quarry LP
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2025
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001845149
- Issuer location
- Dover, DE
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 Chain Bridge I (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
Quarry LP
Disclosed value leader
Polar Asset Management Pa...
Comparable rows
2/4
Latest evidence
30 Jun 2025
13D/G
3/4/5
Lead comparable stake: 8.3%
2 rows are not safely comparable across share classes.
13D/G row: Quarry LP
Quick read
Quarry LP leads the comparable SEC ownership view at 8.3%.
2 of 4 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 Quarry LP's linked filing trail.
Comparable ownership
Top 2
Quarry LP
8.3%
Sandia Investment Management LP
1.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-4 of 4 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Quarry LP |
13D/G
|
8.3%
|
$2,834,439
249,072 shares
|
$0 | 31 Dec 2024 |
| Sandia Investment Management LP |
13D/G
|
1.6%
|
—
95,900 shares
|
$0 | 30 Jun 2025 |
| Polar Asset Management Partners Inc. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$4,332,600
415,000 shares
|
— | 02 Jun 2023 |
| CB Co-Investment LLC |
3/4/5
10%+ Owner
|
—
class O/S missing
|
—
575,665 shares
|
— | 07 Feb 2024 |
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 15 Jul 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 1-17 of 17 reporting-owner rows connected to Chain Bridge I. Open a relationship link for the CIK-to-CIK filing trail.
Rows
17
Largest Forms 3/4/5 holder
Polar Asset Management Partners Inc.
Net 12M change
$0
Latest report
01 Apr 2024
Recent insider transactions for Chain Bridge I
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| No insider transactions were found in the last 12 months for this issuer. | ||||||||||
* marks a reported price that did not pass the local price check.