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

13F Institutional Holders and Ownership History from Q3 2025 to Q4 2025

Type / Class
Equity / Class A Ordinary Shares, $0.0001 par value
Symbol
BCSSU
Shares outstanding
46,941,176
Price per share
$10.35
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
12,929,317
Total reported value
$132,137,081
% of total 13F portfolios
0%
Share change
-27,256,490
Value change
-$274,886,653
Number of holders
25
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Bain Capital GSS Investment Corp. - Class A Ordinary Shares, $0.0001 par value (BCSSU) based on Schedule 13D/G filings

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 31 Dec 2025, 25 institutional investors reported holding 12,929,317 shares of Bain Capital GSS Investment Corp. - Class A Ordinary Shares, $0.0001 par value (BCSSU). This represents 28% of the company’s total 46,941,176 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Bain Capital GSS Investment Corp. - Class A Ordinary Shares, $0.0001 par value (BCSSU) together control 28% 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
Empyrean Capital Partners, LP 8.5% 3,990,000 0% 1.4% $40,777,800
Diameter Capital Partners LP 4.3% 2,000,000 0% 2.1% $20,440,000
Alberta Investment Management Corp 3.4% 1,600,000 0.1% $16,352,000
Ghisallo Capital Management LLC 2.1% 1,000,000 0% 0.46% $10,220,000
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 1.5% 700,000 0% 0.01% $7,154,000
MILLENNIUM MANAGEMENT LLC 1.5% 700,000 -62% 0.01% $7,154,000
TORONTO DOMINION BANK 1.1% 537,200 -37% 0.01% $5,490,184
BlueCrest Capital Management Ltd 0.96% 450,000 0% 0.18% $4,599,000
HGC Investment Management Inc. 0.85% 400,000 0% 0.87% $4,088,000
LMR Partners LLP 0.64% 300,000 0% 0.03% $3,066,000
Westchester Capital Management, LLC 0.53% 250,000 +900% 0.12% $2,555,000
Jain Global LLC 0.53% 250,000 -50% 0.02% $2,555,000
Schonfeld Strategic Advisors LLC 0.53% 249,876 -38% 0.01% $2,553,732
Walleye Capital LLC 0.43% 200,000 0% 0.01% $2,044,000
BOOTHBAY FUND MANAGEMENT, LLC 0.16% 75,000 0% 0.02% $766,500
Diametric Capital, LP 0.13% 59,585 0.16% $608,958
HRT FINANCIAL LP 0.11% 50,207 -0.38% 0% $513,000
READYSTATE ASSET MANAGEMENT LP 0.11% 49,386 +128% 0.02% $504,725
SYQUANT CAPITAL SAS 0.04% 20,000 0% 0.02% $204,000
PRELUDE CAPITAL MANAGEMENT, LLC 0.03% 14,826 0.01% $151,522
OMERS ADMINISTRATION Corp 0.02% 10,000 0% 0% $102,200
CSS LLC/IL 0.02% 10,000 0% 0.01% $102,200
UBS Group AG 0.01% 6,814 0% $69,639
Clear Street Group Inc. 0.01% 6,323 -98% 0% $64,621
Glazer Capital, LLC 0% 100 -100% 0% $1,000

Institutional Holders of Bain Capital GSS Investment Corp. - Class A Ordinary Shares, $0.0001 par value (BCSSU) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
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