GIGCAPITAL7 CORP HDRN
ORD SHS CL A · Common Stock · CUSIP G38648104
- SectorUtilities
- IndustryElectric Services
- HeadquartersSan Francisco, CA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $10.36.
Trends to Q2 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2024 | 19 |
| Q4 2024 | 30 |
| Q1 2025 | 31 |
| Q2 2025 | 31 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2024 | 19 | 8 |
| Q1 2025 | 12 | 9 |
| Q2 2025 | 11 | 8 |
Biggest buyers
| TENOR CAPITAL MANAGEMENT Co., L.P. | New | +507.7k |
| D. E. Shaw & Co., Inc. | Added | +175.0k |
| Wealthspring Capital LLC | New | +80.2k |
| GLAZER CAPITAL, LLC | Added | +32.9k |
| WOLVERINE ASSET MANAGEMENT LLC | Added | +22.7k |
| Radcliffe Capital Management, L.P. | New | +15.7k |
| Schonfeld Strategic Advisors LLC | Added | +15.0k |
| First Trust Capital Management L.P. | Added | +8.1k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | New | +800 |
| BERKLEY W R CORP | Added | +13 |
Biggest sellers
| Centiva Capital, LP | Sold out | -300.0k |
| Westchester Capital Management, LLC | Reduced | -250.0k |
| Karpus Management, Inc. | Reduced | -148.3k |
| PNC Financial Services Group, Inc. | Sold out | -75.2k |
| TORONTO DOMINION BANK | Sold out | -49.3k |
| AQR Arbitrage LLC | Reduced | -40.0k |
| ARISTEIA CAPITAL, L.L.C. | Reduced | -34.6k |
| UBS Group AG | Sold out | -432 |
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| HIGHBRIDGE CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-02-17 | 9.4% |
| AQR CAPITAL MANAGEMENT LLC 13G · institution filed 2026-02-12 | 5.5% |
| ARISTEIA CAPITAL, L.L.C. 13G · institution filed 2026-02-17 | 5.0% |
| Westchester Capital Management, LLC 13G · institution new · filed 2025-05-14 | 5.0% |
Fell to 5% or below in the last year: TENOR CAPITAL MANAGEMENT Co., L.P. (0.0%, 2026-08-14), MIZUHO FINANCIAL GROUP INC (0.0%, 2026-08-13), TD SECURITIES (USA) LLC (0.0%, 2026-08-12), BERKLEY W R CORP (0.0%, 2026-08-06), Harraden Circle Investments, LLC (0.0%, 2026-05-14), GOLDMAN SACHS GROUP INC (3.2%, 2026-05-08), BARCLAYS PLC (0.0%, 2026-02-13), Yakira Capital Management, Inc. (3.2%, 2026-01-14), Kepos Capital LP (0.3%, 2025-11-13), RichRich Capital LLC (0.0%, 2025-11-13)
Insider purchases and sales in Q2 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
None reported in Q2 2025.
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| AQR Arbitrage LLC 0.45% of their portfolio | 1.8m $19.1m | Reduced -40.0k |
| Yakira Capital Management, Inc. 6.70% of their portfolio | 1.8m $18.2m | Unchanged |
| Karpus Management, Inc. 0.58% of their portfolio | 1.7m $18.1m | Reduced -148.3k |
| ARISTEIA CAPITAL, L.L.C. 0.50% of their portfolio | 1.7m $17.8m | Reduced -34.6k |
| Kepos Capital LP 21.07% of their portfolio | 1.5m $15.7m | Unchanged |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 990.0k $10.2m | Added +175.0k |
| Calamos Advisors LLC 0.04% of their portfolio | 925.0k $9.6m | Unchanged |
| WHITEBOX ADVISORS LLC 0.21% of their portfolio | 760.0k $7.9m | Unchanged |
| Westchester Capital Management, LLC 0.45% of their portfolio | 749.0k $7.8m | Reduced -250.0k |
| PICTON MAHONEY ASSET MANAGEMENT 0.10% of their portfolio | 717.5k $7.4m | Unchanged |
| First Trust Capital Management L.P. 0.43% of their portfolio | 610.7k $6.3m | Added +8.1k |
| WOLVERINE ASSET MANAGEMENT LLC 0.10% of their portfolio | 586.7k $6.1m | Added +22.7k |
| BERKLEY W R CORP 0.37% of their portfolio | 580.6k $6.0m | Added +13 |
| TENOR CAPITAL MANAGEMENT Co., L.P. 0.07% of their portfolio | 507.7k $5.3m | New |
| Cable Car Capital, LP 2.24% of their portfolio | 498.0k $5.2m | Unchanged |
| GLAZER CAPITAL, LLC 0.18% of their portfolio | 487.7k $5.1m | Added +32.9k |
| TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio | 483.9k $5.0m | Unchanged |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 479.3k $5.0m | Unchanged |
| Bulldog Investors, LLP 0.94% of their portfolio | 358.0k $3.7m | Unchanged |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.02% of their portfolio | 300.0k $3.1m | Unchanged |
| Mint Tower Capital Management B.V. 0.47% of their portfolio | 300.0k $3.1m | Unchanged |
| RIVERNORTH CAPITAL MANAGEMENT, LLC 0.14% of their portfolio | 236.0k $2.4m | Unchanged |
| MIZUHO SECURITIES USA LLC 0.05% of their portfolio | 218.4k $2.2m | First filing |
| Periscope Capital Inc. 0.78% of their portfolio | 200.0k $2.1m | Unchanged |
| Wealthspring Capital LLC 0.22% of their portfolio | 80.2k $832.3k | New |
| Schonfeld Strategic Advisors LLC 0.01% of their portfolio | 65.0k $674.7k | Added +15.0k |
| Radcliffe Capital Management, L.P. 0.00% of their portfolio | 15.7k $0 | New |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.00% of their portfolio | 800 $8.3k | New |
| MORGAN STANLEY 0.00% of their portfolio | 55 $571 | Added +3 |
| CLEAR STREET LLC 0.00% of their portfolio | 6 $62 | Unchanged |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. — of their portfolio | 0 $0 | Unchanged |