Security Snapshot

GigCapital9 Corp. - Class A Common Stock (GIXXU) Institutional Ownership

CUSIP: G3865B106

13F Institutional Holders and Ownership History from Q1 2026 to Q2 2026

13F reference period

Q2 2026

Institutions Reporting

12

Shares (Excl. Options)

3.23MFull value: 3,231,584 · shares · 30 Jun 2026

Price

$10.18

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
-6,043,025
Value change
-$60,690,063
Number of holders
12
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
25,683,962
SEC-reported price per share
$10.18
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • GIXXU - GigCapital9 Corp. - Class A Common Stock is tracked under CUSIP G3865B106.
  • 12 institutions reported positions in Q2 2026.
  • 8 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 28 to 12 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $93.13MFull value: $93,134,758 · USD · 31 Mar 2026
    to
    $32.96MFull value: $32,964,064 · USD · 30 Jun 2026
    .

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 12 institutions filings for Q2 2026.

Open SEC evidence

Security key

G3865B106

13F reference period

Q2 2026

13F holders

12

13D/G owners

8

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
8
Security
GIXXU
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
GLAZER CAPITAL, LLC 8.5% $21,835,103 2,178,000 Glazer Capital, LLC 31 Mar 2026
Yakira Capital Management, Inc. 8.5% $21,867,120 2,178,000 Yakira Capital Management, Inc. 31 Mar 2026
AQR CAPITAL MANAGEMENT LLC 8.5% $21,835,103 2,178,000 AQR Capital Management, LLC 31 Mar 2026
TENOR CAPITAL MANAGEMENT Co., L.P. 8.6% 2,178,000 Tenor Capital Management Company, L.P. 27 Jan 2026
Lighthouse Investment Partners, LLC 5.8% $14,813,083 1,477,570 Lighthouse Investment Partners, LLC 31 Mar 2026
GOLDMAN SACHS GROUP INC 5.7% $14,713,540 1,466,573 THE GOLDMAN SACHS GROUP, INC. 31 Mar 2026
ARISTEIA CAPITAL, L.L.C. 5.4% $14,035,420 1,400,000 Aristeia Capital, L.L.C. 31 Mar 2026
MILLENNIUM MANAGEMENT LLC 4.6% 1,175,000 Millennium Management LLC 27 Jan 2026
As of 30 Jun 2026, 12 institutional investors reported holding
3.23MFull value: 3,231,584 · shares · 30 Jun 2026
shares of GigCapital9 Corp. - Class A Common Stock (GIXXU). This represents 13% of the company’s total
25.68MFull value: 25,683,962 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
13%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Yakira Capital Management, Inc. 8.5% 2,178,000 0% 6.5% $22,193,820
LMR Partners LLP 1.2% 300,000 0% 0.02% $3,054,000
Westchester Capital Management, LLC 1.2% 300,000 0% 0.15% $3,062,999
Lineage Point Capital LP 0.58% 148,777 -0.82% 0.32% $1,539,842
HGC Investment Management Inc. 0.39% 100,000 0% 0.2% $1,018,000
Lynrock Lake LP 0.19% 50,000 0% 0.03% $518,500
Clear Street Group Inc. 0.16% 42,319 +170% 0% $430,807
Verition Fund Management LLC 0.15% 37,500 0% 0% $381,750
Bulldog Investors, LLP 0.13% 32,231 -67% 0.07% $329,079
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.12% 30,000 0% 0% $305,400
OMERS ADMINISTRATION Corp 0.05% 12,717 0% 0% $129,459
UBS Group AG 0% 40 0% $408
PICTON MAHONEY ASSET MANAGEMENT 0% 0 -100% $0
First Trust Capital Management L.P. 0% 0 -100% $0
ABC ARBITRAGE SA 0% 0 -100% $0
Centiva Capital, LP 0% 0 -100% $0
HEIGHTS CAPITAL MANAGEMENT, INC 0% 0 -100% $0
AQR Arbitrage LLC 0% 0 -100% $0
MILLENNIUM MANAGEMENT LLC 0% 0 -100% $0
Kepos Capital LP 0% 0 -100% $0
RIVERNORTH CAPITAL MANAGEMENT, LLC 0% 0 -100% $0
Warberg Asset Management LLC 0% 0 -100% $0
RLH Capital LLC 0% 0 -100% $0
MANGROVE PARTNERS IM, LLC 0% 0 -100% $0
WOLVERINE ASSET MANAGEMENT LLC 0% 0 -100% $0

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
2
Headline period
Q2 2026
Rows shown
1-2 of 2
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 3,231,584 $32,964,064 -$60,690,063 $10.18 12
2026 Q1 9,274,609 $93,134,758 +$91,631,008 $10.04 28
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