GigCapital8 Corp. - Class A ordinary shares, par value $0.0001 per share (GIW)

Q: What does CUSIP G3864J100 represent in this 13F holders report?

CUSIP G3864J100 is the security identifier for GIW - GigCapital8 Corp. - Class A ordinary shares, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held GIW - GigCapital8 Corp. - Class A ordinary shares, par value $0.0001 per share in Q1 2026?

53 institutional investors reported GIW - GigCapital8 Corp. - Class A ordinary shares, par value $0.0001 per share for Q1 2026. Use the holders table for investor-level position and value details.

CUSIP: G3864J100

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class: Equity / Class A ordinary shares, par value $0.0001 per share
Total 13F shares: 23,707,030
Total 13F value: $236,380,736
Share change: +4,189,804
SEC-reported price per share: $9.97
Number of holders: 53
Value change: +$41,849,680
Number of buys: 22
Number of sells: 16
Shares outstanding: 27,160,463

Security key

G3864J100

Report period

Q1 2026

Institutions

Top holders

GIW full security history Ownership snapshot Full 13F holder table Previous quarter: Q4 2025 GigCapital8 Corp. SEC filings GigCapital8 Corp. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP G3864J100

Previous quarter: Q4 2025

Recent filing periods:

Q1 2026 Q4 2025

Ownership snapshot

Top reported holders of GIW - GigCapital8 Corp. - Class A ordinary shares, par value $0.0001 per share (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

GLAZER CAPITAL, LLC

Disclosed value leader

GLAZER CAPITAL, LLC

Comparable rows

15/15

Latest evidence

31 Mar 2026

13F 13D/G 3/4/5 Lead comparable stake: 8.5% 13D/G row: GLAZER CAPITAL, LLC Showing 1-6 of 15 holder rows.

Quick read

GLAZER CAPITAL, LLC leads the comparable SEC ownership view at 8.5%.

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.

Comparable ownership Top 5

GLAZER CAPITAL, LLC 8.5%

TENOR CAPITAL MANAGEMENT Co., L.P. 6.7%

AQR CAPITAL MANAGEMENT LLC 6.6%

Lynrock Lake LP 5.4%

Westchester Capital Management, LLC 5.1%

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
GLAZER CAPITAL, LLC	13F 13D/G Company 13F 13D/G	8.5% from 13D/G	$21,978,000 3,672,029 shares mixed-class rows	—	31 Dec 2025
TENOR CAPITAL MANAGEMENT Co., L.P.	13F 13D/G Company · Tenor Capital Management Company, L.P. 13F 13D/G	6.7% from 13D/G	$15,300,000 3,000,000 shares mixed-class rows	—	31 Dec 2025
AQR CAPITAL MANAGEMENT LLC	13D/G 13D/G	6.6%	$16,829,056 1,694,769 shares	$0	31 Dec 2025
Lynrock Lake LP	13D/G 13F Company 13D/G 13F	5.4%	$14,563,983 1,466,665 shares	$0	31 Dec 2025
Westchester Capital Management, LLC	13D/G 13F Company 13D/G 13F	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 13F 13D/G	5% from 13D/G	$12,937,351 1,884,610 shares mixed-class rows	—	31 Dec 2025

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 Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

23,707,030

Rows available

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 Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

Q1 2026 holders

Holder diff

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 value	Q1 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend