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

13F Institutional Holders and Ownership History for Q4 2025

Type / Class
Equity / Class A ordinary shares, par value $0.0001 per share
Symbol
GIW on Nasdaq
Shares outstanding
27,160,463
Price per share
$9.93
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
19,451,386
Total reported value
$192,386,704
% of total 13F portfolios
0%
Share change
+18,893,572
Value change
+$186,869,748
Number of holders
43
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of GigCapital8 Corp. - Class A ordinary shares, par value $0.0001 per share (GIW) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
GLAZER CAPITAL, LLC 8.5% $21,600,560 2,175,283 Glazer Capital, LLC 31 Dec 2025
AQR CAPITAL MANAGEMENT LLC 6.6% $16,829,056 1,694,769 AQR Capital Management, LLC 31 Dec 2025
Lynrock Lake LP 5.4% $14,563,983 1,466,665 Lynrock Lake LP 31 Dec 2025
BERKLEY W R CORP 5% $12,804,437 1,289,470 W. R. Berkley Corporation 31 Dec 2025

As of 31 Dec 2025, 43 institutional investors reported holding 19,451,386 shares of GigCapital8 Corp. - Class A ordinary shares, par value $0.0001 per share (GIW). This represents 72% of the company’s total 27,160,463 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of GigCapital8 Corp. - Class A ordinary shares, par value $0.0001 per share (GIW) together control 66% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Glazer Capital, LLC 8% 2,175,283 0.57% $21,514,000
AQR Arbitrage LLC 6.2% 1,694,769 0.35% $16,761,265
TENOR CAPITAL MANAGEMENT Co., L.P. 5.5% 1,500,000 0.21% $14,835,000
BERKLEY W R CORP 4.7% 1,289,470 0.71% $12,752,858
Westchester Capital Management, LLC 4% 1,080,000 0.5% $10,681,200
Yakira Capital Management, Inc. 3.5% 948,000 3.2% $9,375,720
ARISTEIA CAPITAL, L.L.C. 3.1% 850,000 0.24% $8,406,500
Polar Asset Management Partners Inc. 3.1% 850,000 0.17% $8,406,500
WHITEBOX ADVISORS LLC 2.9% 800,000 0.14% $7,912,000
D. E. Shaw & Co., Inc. 2.8% 759,000 0.01% $7,506,510
Radcliffe Capital Management, L.P. 2.4% 650,000 0.35% $6,431,750
MIZUHO SECURITIES USA LLC 2% 550,000 0.09% $5,438,664
Logan Stone Capital, LLC 1.9% 512,612 1.3% $5,072,296
BNP PARIBAS FINANCIAL MARKETS 1.8% 483,231 0% 0% $4,779,155
PICTON MAHONEY ASSET MANAGEMENT 1.6% 425,000 0.05% $4,205,375
Alpine Global Management, LLC 1.5% 400,000 0.69% $3,956,000
Mint Tower Capital Management B.V. 1.5% 400,000 0.5% $3,956,000
TWO SIGMA INVESTMENTS, LP 1.5% 398,750 0.01% $3,943,638
WOLVERINE ASSET MANAGEMENT LLC 1.4% 386,643 0.05% $3,823,899
Mercuria Capital Strategies, LLC 1.4% 375,000 2.1% $3,708,750
Periscope Capital Inc. 1.3% 358,900 0.69% $3,551,316
Clear Street Group Inc. 1.3% 346,892 0.02% $3,430,762
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 1.1% 300,000 0.02% $2,968,500
METEORA CAPITAL, LLC 0.92% 250,000 0.21% $2,472,500
Linden Advisors LP 0.92% 250,000 0.02% $2,473,750

Institutional Holders of GigCapital8 Corp. - Class A ordinary shares, par value $0.0001 per share (GIW) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 19,451,386 $192,386,704 +$186,869,748 $9.89 43