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GP-Act III Acquisition Corp.
GPAT • XNAS
GP-Act III Acquisition Corp. is a blank checks company on XNAS, with a market cap of $383.1M. As of Q3 2025, 76% of shares are held by 49 institutional investors, with Karpus Management, Inc. as the largest holder at 6.42%.
Overview
Overview of institutional ownership in GPAT as of Q3 2025 with a market cap of $380.9M
All Institutions
- Institutions
- 49
- Value Held
- $291.3M
- Shares Held
- 27.5M
- Avg Position
- $5.9M
- Median Position
- $3.1M
Hedge Funds
- Hedge Funds
- 21
- Value Held
- $115.4M
- Shares Held
- 10.9M
- Avg Position
- $5.5M
- Median Position
- $4.5M
Ownership Breakdown
Based on market cap of $380.9M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in GPAT as of Q3 2025
| Institution | Position Value |
|---|---|
K Karpus Management, Inc. Institution | $24.5M 0.79% of portfolio |
 Vivaldi Asset Management, LLC Fund of Funds | $22.2M 1.47% of portfolio |
P PICTON MAHONEY ASSET MANAGEMENT Institution | $19.9M 0.26% of portfolio |
$17.2M 0.18% of portfolio | |
 CNH PARTNERS LLC Hedge Fund•Multi-Strategy | $16.7M 0.62% of portfolio |
D D. E. Shaw & Co., Inc. Institution | $15.1M 0.01% of portfolio |
 HGC Investment Management Inc. Private Equity | $14.6M 6.59% of portfolio |
M MMCAP International Inc. SPC Institution | $13.5M 1.80% of portfolio |
L LMR Partners LLP Institution | $13.0M 0.26% of portfolio |
 Polar Securities Inc. Hedge Fund•Multi-Strategy | $12.5M 0.37% of portfolio |
Net Capital Flow
Institutional buying and selling activity for GPAT in Q3 2025
- Traded
- −$963.5K
- Buyers
- 14
- Sellers
- 14
- Total Bought
- +$24.3M
- Total Sold
- −$25.3M
- Avg Position
- $5.6M
Biggest Buyers
| Institution | Net Bought |
|---|---|
 LINDEN ADVISORS LP Hedge Fund•Multi-Strategy | +$8.5M +797.6K shares |
 WOLVERINE ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy | +$4.8M +453.9K shares |
 TORONTO DOMINION BANK Institution | +$4.6M +436.0K shares |
 Radcliffe Capital Management, L.P. Hedge Fund•Multi-Strategy | +$4.5M +425.2K shares |
 PERISCOPE CAPITAL INC. Institution | +$1.2M +109.0K shares |
 Schonfeld Strategic Advisors LLC Hedge Fund•Multi-Strategy | +$203.4K +19.2K shares |
T TrueMark Investments, LLC Institution | +$178.5K +16.8K shares |
 Cannon Global Investment Management, LLC Hedge Fund•Quant | +$111.3K +10.5K shares |
 BANK OF AMERICA CORP /DE/ Institution | +$84.8K +8.0K shares |
 LONGFELLOW INVESTMENT MANAGEMENT CO LLC Long Only Manager | +$82.7K +7.8K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
 Meteora Capital, LLC Hedge Fund•Event Driven | −$17.8M −1.7M shares |
 UBS OCONNOR LLC Long Only Manager | −$2.6M −250.0K shares |
 JPMORGAN CHASE & CO Institution | −$1.9M −175.5K shares |
V Virtu Financial LLC Institution | −$619.6K −58.7K shares |
Q Quarry LP Institution | −$532.9K −50.3K shares |
 Westchester Capital Management, LLC Hedge Fund•Merger Arb | −$530.0K −50.0K shares |
H HEIGHTS CAPITAL MANAGEMENT, INC Institution | −$406.3K −38.3K shares |
K Karpus Management, Inc. Institution | −$341.3K −32.2K shares |
 Wealthspring Capital LLC Hedge Fund•Event Driven | −$288.1K −27.2K shares |
H Halcyon Management Partners LP Institution | −$173.8K −16.5K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited GPAT in Q3 2025
- New Positions
- 5
- New Value
- $8.9M
- Exited Positions
- 3
- Exited Value
- $3.4M
New Positions
| Institution | Position Value |
|---|---|
LINDEN ADVISORS LP Hedge Fund•Multi-Strategy | $8.5M 797.6K shares |
Schonfeld Strategic Advisors LLC Hedge Fund•Multi-Strategy | $203.4K 19.2K shares |
Cannon Global Investment Management, LLC Hedge Fund•Quant | $111.3K 10.5K shares |
BANK OF AMERICA CORP /DE/ Institution | $84.8K 8.0K shares |
LONGFELLOW INVESTMENT MANAGEMENT CO LLC Long Only Manager | $82.7K 7.8K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
UBS OCONNOR LLC Long Only Manager | $2.6M 250.0K shares |
V Virtu Financial LLC Institution | $619.6K 58.7K shares |
H Halcyon Management Partners LP Institution | $173.8K 16.5K shares |
Options Activity
Institutions with the largest Call and Put options positions in GPAT as of Q3 2025
- Call Positions
- 1
- Call Value
- $1.6M
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
 DLD Asset Management, LP Hedge Fund•Multi-Strategy | $1.6M 1.5K contracts |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with GPAT as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
HGC Investment Management Inc. Private Equity | 6.59% $14.6M |
Wealthspring Capital LLC Hedge Fund•Event Driven | 3.08% $10.9M |
 Kepos Capital LP Hedge Fund•Global Macro | 2.65% $450.5K |
M MMCAP International Inc. SPC Institution | 1.80% $13.5M |
H HEIGHTS CAPITAL MANAGEMENT, INC Institution | 1.58% $4.5M |
Vivaldi Asset Management, LLC Fund of Funds | 1.47% $22.2M |
Radcliffe Capital Management, L.P. Hedge Fund•Multi-Strategy | 1.34% $6.1M |
PERISCOPE CAPITAL INC. Institution | 1.00% $3.6M |
T TENOR CAPITAL MANAGEMENT Co., L.P. Hedge Fund•Multi-Strategy | 0.99% $8.0M |
LINDEN ADVISORS LP Hedge Fund•Multi-Strategy | 0.87% $8.5M |
Hedge Fund Spotlight
Discover hedge funds investing in GPAT
Verition Fund Management LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerNicholas Matthew Maounis
- Portfolio Value
- $16.7B
- Positions
- 2,759
- Last Reported
- Q3 2025
Sector Allocation
G
Position in GP-Act III Acquisition Corp.
- Market Value
- $2.4M
- Shares Held
- 227.6K
- Portfolio Weight
- 0.01%
- Owned Since
- 2024-Q3
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
ETF ETF | $1.0B | 6.02% | |
Semiconductors Technology | $544.1M | 3.25% | |
ETF ETF | $281.5M | 1.68% |
