Security key
G4035N103
- Security type / class
- Equity / Common
- Total 13F shares
- 558,486
- Total 13F value
- $6,031,649
- Share change
- -616,368
- SEC-reported price per share
- $10.80
- Number of holders
- 1
- Value change
- -$6,701,365
- Number of buys
- 1
- Number of sells
- 5
- Shares outstanding
- 16,216,216
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
1
Top holders
1
GPAT full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q1 2026
GP-Act III Acquisition Corp. SEC filings
GP-Act III Acquisition Corp. company facts
Broader feeds
Reporting periods
Holder history for CUSIP G4035N103
Recent filing periods:
Ownership snapshot
Top reported holders of GPAT - GP-Act III Acquisition Corp. - Common (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
GP-Act III Sponsor LLC
Disclosed value leader
GP-Act III Sponsor LLC
Comparable rows
15/15
Latest evidence
31 May 2026
13D/G
13F
Lead comparable stake: 20%
13D/G row: GP-Act III Sponsor LLC
Showing 1-6 of 15 holder rows.
Quick read
GP-Act III Sponsor LLC leads the comparable SEC ownership view at 20%.
15 of 15 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 GP-Act III Sponsor LLC's linked filing trail.
Comparable ownership
Top 5
GP-Act III Sponsor LLC
20%
Polar Asset Management Partners Inc.
11%
HGC Investment Management Inc.
8.6%
METEORA CAPITAL, LLC
6.7%
PICTON MAHONEY ASSET MANAGEMENT
6.5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| GP-Act III Sponsor LLC |
13D/G
|
20%
|
$73,543,250
7,112,500 shares
|
$0 | 14 Nov 2024 |
| Polar Asset Management Partners Inc. |
13D/G
13F
Company
|
11%
|
$19,512,000
1,800,000 shares
|
+$6,775,043 | 31 May 2026 |
| HGC Investment Management Inc. |
13D/G
|
8.6%
|
$25,591,500
2,475,000 shares
|
$0 | 31 Dec 2024 |
| METEORA CAPITAL, LLC |
13D/G
13F
Company
|
6.7%
|
$20,329,839
1,926,999 shares
|
$0 | 30 Jun 2025 |
| PICTON MAHONEY ASSET MANAGEMENT |
13D/G
13F
Company
|
6.5%
|
$19,387,500
1,875,000 shares
|
$0 | 30 Sep 2024 |
| BARCLAYS PLC |
13D/G
|
5.2%
|
$15,365,126
1,485,989 shares
|
$0 | 30 Sep 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.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
1
Shares
558,486
Rows available
1
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
51
Q2 2026 holders
1
Holder diff
-50
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend