Comparable stake leader
—
SEC ownership of GCM GROSVENOR CORE ABSOLUTE RETURN MASTER FUND, LLC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001212030.
Disclosed value leader
—
Comparable rows
0/0
Latest evidence
—
- Parsed ownership sources
-
13F, 13D/G, and Forms 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Issuer CIK
- 0001212030
- Issuer location
- Chicago, IL
Ownership snapshot
Top shareholders of GCM GROSVENOR CORE ABSOLUTE RETURN MASTER FUND, LLC (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
—
Disclosed value leader
—
Comparable rows
0/0
Latest evidence
—
No top shareholder records were found across 13F, 13D/G, and Forms 3/4/5 for this issuer.
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 06 Oct 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 1-7 of 7 reporting-owner rows connected to GCM GROSVENOR CORE ABSOLUTE RETURN MASTER FUND, LLC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
7
Largest Forms 3/4/5 holder
Amy Wierenga
Net 12M change
$0
Latest report
03 Nov 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Amy Wierenga | Investment Advisory Committee | Mixed | 20 Jun 2023 | |||
| Faelyn Sheridan | Assistant Treasurer | Mixed | 20 Sep 2023 | |||
| Andrew Todd Preda | Portfolio Manager | Mixed | 03 Jan 2022 | |||
| Colleen K. McMorrow | Assistant Treasurer | Mixed | 23 Mar 2022 | |||
| Cullen Joseph McNamee | Investment Advisory Committee | Mixed | 03 Nov 2025 | |||
| Christopher Jasper | Treasurer | Mixed | 20 Jun 2023 | |||
| Dawna L. Daniel | Chief Compliance Officer | Mixed | 23 Oct 2023 |
Recent insider transactions for GCM GROSVENOR CORE ABSOLUTE RETURN MASTER FUND, LLC
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.