Bain Capital GSS Investment Corp.
BCSS- Exchange
- NYSE
- Industry
- Blank Checks
- SEC CIK
- 0002064355
No open-market purchases or sales by Bain Capital GSS Investment Corp. insiders were filed in the last 90 days; 59 institutions reported holding it in 13F filings for Q2 2026, worth $425.9M in total; no superinvestor holds it.
Holders of 5% or more of BCSS
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Bain Capital GSS Investment Corp., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Bain Capital GSS Investment Sponsor LLC | 13G | 21.18%12.4M shares | New | Oct 15, 20251 filing | Oct 15, 2025 | SEC |
| Empyrean Capital Partners, LP | 13G/A | 9.26%4.34M shares | +0.76 ppfrom 8.50% | Feb 17, 20262 filings | May 15, 2026 | SEC |
| Fort Baker Capital Management LP | 13G/A | 8.50%3.98M shares | +2.60 ppfrom 5.90% | Feb 17, 20262 filings | May 15, 2026 | SEC |
| Adage Capital Management, L.P. | 13G | 6.40%3.00M shares | New | Feb 12, 20261 filing | Feb 12, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
6 Schedule 13D and 13G filings on Bain Capital GSS Investment Corp., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| May 15, 20264:00 PM ET | Empyrean Capital Partners, LPand 1 other | 13G/A | 9.26%4.34M shares | +0.76 ppfrom 8.50% | Mar 31, 2026 | SEC |
| May 15, 202612:56 PM ET | Fort Baker Capital Management LPand 2 others | 13G/A | 8.50%3.98M shares | +2.60 ppfrom 5.90% | Mar 31, 2026 | SEC |
| Feb 17, 20264:00 PM ET | Empyrean Capital Partners, LPand 1 other | 13G | 8.50%3.99M shares | New | Dec 31, 2025 | SEC |
| Feb 17, 20262:48 PM ET | Fort Baker Capital Management LPand 2 others | 13G | 5.90%2.78M shares | New | Dec 31, 2025 | SEC |
| Feb 12, 20269:01 AM ET | Adage Capital Management, L.P.and 2 others | 13G | 6.40%3.00M shares | New | Dec 31, 2025 | SEC |
| Oct 15, 20254:10 PM ET | Bain Capital GSS Investment Sponsor LLC | 13G | 21.18%12.4M shares | New | Oct 1, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Bain Capital GSS Investment Corp. shares.
No Form 144 notices for Bain Capital GSS Investment Corp. are on file.