Security Snapshot

Bain Capital GSS Investment Corp. - Class A Ordinary Shares, $0.0001 par value (BCSSU) Institutional Ownership

CUSIP: G0R78B122

13F Institutional Holders and Ownership History from Q3 2025 to Q3 2026

13F reference period

Q3 2026

Institutions Reporting

2

Shares (Excl. Options)

460KFull value: 460,000 · shares · 30 Sep 2026

Price

$10.44

The headline uses the Q3 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.

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Latest holder snapshot 4 signals
Share change
-250,000
Value change
-$2,587,500
Number of holders
2
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
46,941,176
SEC-reported price per share
$10.44
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • BCSSU - Bain Capital GSS Investment Corp. - Class A Ordinary Shares, $0.0001 par value is tracked under CUSIP G0R78B122.
  • 2 institutions reported positions in Q3 2026.
  • 1 significant owner is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 14 to 2 between Q2 2026 and Q3 2026.
  • SEC-reported value moved from
    $24.16MFull value: $24,157,470 · USD · 30 Jun 2026
    to
    $4.78MFull value: $4,780,400 · USD · 30 Sep 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 2 institutions filings for Q3 2026.

Open SEC evidence

Security key

G0R78B122

13F reference period

Q3 2026

13F holders

2

13D/G owners

1

CIK / CUSIP context first

13D/G owners

Significant owners

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

Rows
1
Security
BCSSU
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Empyrean Capital Partners, LP 8.5% $40,777,800 3,990,000 Empyrean Capital Partners, LP 31 Dec 2025
As of 30 Sep 2026, 2 institutional investors reported holding
460KFull value: 460,000 · shares · 30 Sep 2026
shares of Bain Capital GSS Investment Corp. - Class A Ordinary Shares, $0.0001 par value (BCSSU). This represents 0.98% of the company’s total
46.94MFull value: 46,941,176 · shares · Stored outstanding share count
outstanding shares.

Quarter history

Institutional holders across reporting periods

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

Periods
5
Headline period
Q3 2026
Rows shown
1-5 of 5
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 460,000 $4,780,400 -$2,587,500 $10.44 2
2026 Q2 2,334,089 $24,157,470 -$16,911,753 $10.35 14
2026 Q1 3,993,541 $40,817,100 -$91,323,332 $10.22 17
2025 Q4 12,929,317 $132,137,081 -$274,886,653 $10.22 25
2025 Q3 40,260,807 $406,105,368 +$402,069,368 $10.09 62
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