DOSSIER · 13F Holders · Q4 2025Inflation hedgeYield

GIGCAPITAL8 CORP

51 institutions still hold GIGCAPITAL8 CORP as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G3864J100·51 13F holders·last filed Dec 31, 2025

Market cap

—

▲ 9.6%

vs prior quarter

13F value held

$160M

74.0% inst. owned

of float

Holders

51

-106 QoQ

filers reporting

Activity

+51 / −6

+879 added · −834 reduced

this quarter

Concentration

10.45%

AQR Arbitrage LLC #1

top holder share

AI Holders Summary · Q4 2025

51 institutions reported GIGCAPITAL8 CORP in Q4 2025. AQR Arbitrage LLC leads at 10.4% of the visible book. -106 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter

AQR Arbitrage LLC

$17M1.7M0.35%Q4 2025 02

TENOR CAPITAL MANAGEMENT Co., L.P.

$15M1.5M0.23%Q1 2026 03

Westchester Capital Management, LLC

$13M1.3M0.60%Q1 2026 04

BERKLEY W R CORP

$13M1.3M0.69%Q1 2026 05

Karpus Management, Inc.

$10M964K0.30%Q1 2026 06

Yakira Capital Management, Inc.

$9M938K2.74%Q1 2026 07

ARISTEIA CAPITAL, L.L.C.

$8M850K0.18%Q1 2026 08

Polar Asset Management Partners Inc.

$8M850K0.17%Q1 2026 09

WHITEBOX ADVISORS LLC

$8M800K0.10%Q1 2026 10

MILLENNIUM MANAGEMENT LLC

$8M769K0.00%Q1 2026 11

D. E. Shaw & Co., Inc.

$8M759K0.00%Q4 2025 12

Radcliffe Capital Management, L.P.

$6M650K0.49%Q1 2026 13

RIVERNORTH CAPITAL MANAGEMENT, LLC

$6M600K0.30%Q1 2026 14

Logan Stone Capital, LLC

$5M513K1.25%Q4 2025 15

Mercuria Capital Strategies, LLC

$5M500K1.91%Q1 2026 16

BNP PARIBAS FINANCIAL MARKETS

$5M483K0.00%Q1 2026 17

PICTON MAHONEY ASSET MANAGEMENT

$4M425K0.03%Q1 2026 18

SONA ASSET MANAGEMENT (US) LLC

$4M416K0.09%Q1 2026 19

TWO SIGMA INVESTMENTS, LP

$4M399K0.00%Q1 2026 20

WOLVERINE ASSET MANAGEMENT LLC

$4M386K0.04%Q1 2026

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