Bain Capital GSS Inv- ABCSS
13F holders, Q1 2026 (March 31)63holders +14
10new positions
2sold out
1famous investor
$10.11avg. 13F price*
At the end of Q1 2026, 63 institutions reported holding Bain Capital GSS Inv- A (BCSS) in their 13F filings, up 14 from Q4 2025. 10 opened new positions and 2 sold out. The largest holders were Empyrean Capital Partners, LP ($40.3M), Fort Baker Capital Management LP ($40.3M) and Adage Capital Partners Gp, L.L.C. ($30.3M). One famous investor held it Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Bain Capital GSS Inv- A
- CUSIP
- G0R78B106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 10 | $24.4M |
| Exits | 2 | $2.4M |
All 13F filers, Q4 2025 → Q1 2026: 4,773,150 shares bought and 1,256,006 shares sold, net +3,517,144 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 63 holders
| Empyrean Capital Partners, LP | 1.44% | No change | 3,990,000 | $40.3M |
| Fort Baker Capital Management LP | 4.23% | Add +43.2% | 3,981,252 | $40.3M |
| Adage Capital Partners Gp, L.L.C. | 0.05% | No change | 3,000,000 | $30.3M |
| Sculptor Capital LP | 0.42% | No change | 1,723,855 | $17.4M |
| Mercuria Capital Strategies, LLC | 5.99% | No change | 1,545,878 | $15.6M |
| Moore Capital Management, LP | 0.60% | No change | 1,500,000 | $15.2M |
| Davidson Kempner Capital Management LP | 0.39% | No change | 1,400,000 | $14.2M |
| AQR Arbitrage LLC | 0.23% | Reduce -3.0% | 1,149,424 | $11.6M |
| HighTower Advisors, LLC | 0.01% | Reduce -4.0% | 1,138,966 | $11.5M |
| Meteora Capital, LLC | 0.83% | Reduce -1.0% | 1,098,294 | $11.1M |
| LuminArx Capital Management LP | 10.54% | New | 1,003,379 | $10.1M |
| Aristeia Capital, L.L.C. | 0.39% | No change | 1,000,000 | $10.1M |
| Polar Asset Management Partners Inc. | 0.33% | No change | 1,000,000 | $10.1M |
| Ghisallo Capital Management LLC | 0.28% | No change | 1,000,000 | $10.1M |
| Millennium Management | 0.01% | Reduce -27.2% | 957,560 | $9.7M |
| Two Sigma Investments, LP | 0.01% | No change | 854,756 | $8.6M |
| J. Goldman & Co LP | 0.33% | Reduce -27.3% | 700,000 | $7.1M |
| Picton Mahoney Asset Management | 0.07% | No change | 700,000 | $7.1M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | No change | 700,000 | $7.1M |
| Decagon Asset Management LLP | 1.74% | Add +16.2% | 656,944 | $6.6M |
| Linden Advisors LP | 0.35% | No change | 600,000 | $6.1M |
| Shaolin Capital Management LLC | 0.64% | Add +62.1% | 567,433 | $5.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 546,251 | $5.5M |
| Saba Capital Management, L.P. | 0.18% | No change | 535,580 | $5.4M |
| Lighthouse Investment Partners, LLC | 0.19% | No change | 500,000 | $5.1M |
| Boussard & Gavaudan Investment Management LLP | 1.20% | No change | 500,000 | $5.0M |
| Verition Fund Management LLC | 0.05% | Reduce -4.0% | 473,200 | $4.8M |
| Lineage Point Capital LP | 1.17% | No change | 470,000 | $4.8M |
| Magnetar Financial LLC | 0.05% | No change | 450,000 | $4.5M |
| Periscope Capital Inc. | 0.78% | Reduce -19.1% | 425,000 | $4.3M |
| CSS LLC | 0.62% | Add +3773.9% | 387,390 | $3.9M |
| BNP Paribas Financial Markets | 0.00% | Add +13.9% | 359,100 | $3.6M |
| TENOR CAPITAL MANAGEMENT Co., L.P. | 0.24% | No change | 350,000 | $3.5M |
| Radcliffe Capital Management, L.P. | 0.39% | Add +27.9% | 338,446 | $3.4M |
| Glazer Capital, LLC | 0.08% | Add +13.5% | 335,000 | $3.4M |
| Hudson Bay Capital Management LP | 0.02% | Reduce -22.4% | 310,521 | $3.1M |
| Bulldog Investors, LLP | 0.70% | Add +3.9% | 308,241 | $3.1M |
| Highbridge Capital Management LLC | 0.29% | No change | 300,000 | $3.0M |
| Cantor Fitzgerald, L. P. | 0.11% | New | 297,361 | $3.0M |
| DLD Asset Management, LP | 0.84% | Add +7.8% | 276,045 | $2.8M |
| Centiva Capital, LP | 0.12% | Add +950.0% | 262,500 | $2.7M |
| Jain Global LLC | 0.03% | No change | 250,000 | $2.5M |
| Schonfeld Strategic Advisors LLC | 0.02% | No change | 249,876 | $2.5M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.01% | No change | 233,150 | $2.4M |
| HBK Investments L P | 0.03% | No change | 200,005 | $2.0M |
| K2 Principal Fund, L.P. | 0.62% | New | 200,000 | $2.0M |
| Clear Street Group Inc. | 0.01% | Reduce -26.4% | 183,907 | $1.9M |
| Citigroup Inc. | 0.00% | No change | 175,000 | $1.8M |
| Context Capital Management, LLC | 0.41% | No change | 150,000 | $1.5M |
| First Trust Capital Management L.P. | 0.08% | New | 149,995 | $1.5M |
| Berkley W R Corp. | 0.08% | No change | 149,955 | $1.5M |
| Sona Asset Management (us) LLC | 0.06% | New | 102,723 | $1.0M |
| Virtu Financial LLC | 0.04% | Add +85.2% | 98,464 | $996K |
| Readystate Asset Management LP | 0.06% | New | 57,900 | $585K |
| JPMorgan Chase & Co. | 0.00% | No change | 55,075 | $556K |
| O'Connor Alternative Investments LLC | 0.03% | — | 50,000 | $506K |
| Galaxy Digital Inc. | 0.08% | — | 50,000 | $506K |
| Jane Street Group, LLC | 0.00% | New | 24,810 | $251K |
| Toronto Dominion Bank | 0.00% | Reduce -50.3% | 24,567 | $248K |
| State of Wisconsin Investment Board | 0.00% | Reduce -4.0% | 24,000 | $243K |
| HRT Financial LP | 0.00% | New | 20,953 | $211K |
| Mint Tower Capital Management B.V. | 0.04% | No change | 20,000 | $202K |
| PenderFund Capital Management Ltd. | 0.05% | New | 10,000 | $101K |
"% of holder's portfolio" is BCSS's weight in each manager's 13F, not the share of Bain Capital GSS Inv- A the manager owns.