Holder evidence
50
SEC ownership of GigCapital8 Corp.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002080019.
Lead holder
GLAZER CAPITAL, LLC
13D/G signal
GLAZER CAPITAL, LLC
Latest evidence
31 Mar 2026
- CIK
- 0002080019
- Symbol
- GIW, GIWWR, GIWWU on Nasdaq
- Location
- Palo Alto, CA
- SEC evidence mix
- 13F, 13D/G, and 3/4/5
- Lead holder
- GLAZER CAPITAL, LLC
- Latest large-stake holder
- GLAZER CAPITAL, LLC
- Latest evidence date
- 31 Mar 2026
Issuer identity
Ownership snapshot
Ownership snapshot
Top shareholders of GigCapital8 Corp. (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.
Lead holder
GLAZER CAPITAL, LLC
13D/G signal
GLAZER CAPITAL, LLC
Evidence rows
50
Latest as of
31 Mar 2026
13F
13D/G
3/4/5
Lead comparable stake: 8.5%
13D/G row: GLAZER CAPITAL, LLC
Showing 1-8 of 50 holder rows.
Rank 1 holder
GLAZER CAPITAL, LLC
13F
13D/G
- Ownership
- 8.5%
- Position
- $21.94M
Rank 2 holder
TENOR CAPITAL MANAGEMENT Co., L.P.
13F
13D/G
- Ownership
- 6.7%
- Position
- $15.4M
Rank 3 holder
AQR CAPITAL MANAGEMENT LLC
13D/G
- Ownership
- 6.6%
- Position
- $16.83M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| GLAZER CAPITAL, LLC |
13F
13D/G
Company
|
8.5%
from 13D/G
|
$21,939,000
3,659,720 shares
mixed-class rows
|
— | 31 Mar 2026 |
| TENOR CAPITAL MANAGEMENT Co., L.P. |
13F
13D/G
Company · Tenor Capital Management Company, L.P.
|
6.7%
from 13D/G
|
$15,405,000
3,000,000 shares
mixed-class rows
|
— | 31 Mar 2026 |
| AQR CAPITAL MANAGEMENT LLC |
13D/G
|
6.6%
|
$16,829,056
1,694,769 shares
|
$0 | 31 Dec 2025 |
| Lynrock Lake LP |
13D/G
13F
Company
|
5.4%
|
$14,563,983
1,466,665 shares
|
$0 | 31 Dec 2025 |
| Westchester Capital Management, LLC |
13D/G
13F
Company
|
5.1%
|
$13,445,966
1,318,232 shares
|
$0 | 31 Mar 2026 |
| BERKLEY W R CORP |
13F
13D/G
Company · W. R. Berkley Corporation
|
5%
from 13D/G
|
$12,949,113
1,627,881 shares
mixed-class rows
|
— | 31 Mar 2026 |
| Bryan Timm |
3/4/5
Director
|
0.04%
|
$101,000
10,000 shares
|
— | 07 Oct 2025 |
| Karpus Management, Inc. |
13F
Company
|
3.5%
|
$9,607,591
963,650 shares
|
— | 31 Mar 2026 |
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 01 Jun 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 1-9 of 9 reporting-owner rows connected to GigCapital8 Corp.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
9
Lead holder
Bryan Timm
Net 12M change
$0
Latest report
07 Oct 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Bryan Timm | Director | $101,000 | Mixed | 07 Oct 2025 | ||
| Dr. Avi S. Katz | Chief Executive Officer, Director, 10%+ Owner | Mixed | 03 Oct 2025 | |||
| Christine M. Marshall | Chief Financial Officer | Mixed | 03 Oct 2025 | |||
| Adrian Zuckerman | Director | Mixed | 07 Oct 2025 | |||
| Rear Admiral Omri Dagul | Director | Mixed | 07 Oct 2025 | |||
| James S. Greene | Director | Mixed | 07 Oct 2025 | |||
| Raanan I. Horowitz | Director | Mixed | 07 Oct 2025 | |||
| Luis Machuca | Director | Mixed | 07 Oct 2025 | |||
| David Ben-Bashat | Director | Mixed | 07 Oct 2025 |
Recent insider transactions for GigCapital8 Corp.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Reported value | Reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Bryan Timm | GIW | Class A ordinary shares | 0 | 10,000 | 07 Oct 2025 | Direct | ||||
| Luis Machuca | GIW | Class A ordinary shares | 0 | 10,000 | 07 Oct 2025 | Direct | ||||
| Raanan I. Horowitz | GIW | Class A ordinary shares | 0 | 5,200 | 07 Oct 2025 | Direct | ||||
| James S. Greene | GIW | Class A ordinary shares | 0 | 10,000 | 07 Oct 2025 | Direct | ||||
| Avi S. Katz | GIW | Class A ordinary shares | 0 | 10,000 | 03 Oct 2025 | By GigAcquisitions8 Corp. |
* indicates a reported price that failed the local validity check.