Bain Capital GSS Investment Corp. - BCSS
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Fort Baker Capital Management LP | History | Added to | 4,248,685 | 43,633 | 3.19% | 3.16% | 1 | +267,433 | 6.72% | Q2 2026 | Aug 14, 2026 |
| Empyrean Capital Partners, LP | History | No change | 3,990,000 | 40,977 | 1.35% | 1.31% | 2 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | History | No change | 3,000,000 | 30,810 | 0.04% | 0.05% | 3 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Sculptor Capital LP | History | No change | 1,723,855 | 17,703 | 0.14% | 0.18% | 4 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Alberta Investment Management Corp | History | No change | 1,600,000 | 16,432 | 0.09% | 0.1% | 5 | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| Mercuria Capital Strategies, LLC | History | No change | 1,545,878 | 15,876 | 9.74% | 5.97% | 6 | 0 | 0.0% | Q2 2026 | Jul 30, 2026 |
| MOORE CAPITAL MANAGEMENT, LP | History | No change | 1,500,000 | 15,405 | 0.23% | 0.31% | 7 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| J. Goldman & Co LP | History | Added to | 1,621,156 | 15,312 | 0.4% | 0.21% | 8 | +781,156 | 92.99% | Q2 2026 | Aug 14, 2026 |
| DAVIDSON KEMPNER CAPITAL MANAGEMENT LP | History | No change | 1,400,000 | 14,378 | 0.17% | 0.19% | 9 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| AQR Arbitrage LLC | History | Added to | 1,184,099 | 12,160 | 0.17% | 0.19% | 10 | +34,675 | 3.02% | Q2 2026 | Aug 14, 2026 |
| HighTower Advisors, LLC | History | Reduced | 1,081,073 | 11,102 | 0.01% | 0.01% | 11 | -57,893 | -5.08% | Q2 2026 | Aug 05, 2026 |
| Polar Asset Management Partners Inc. | History | Added to | 1,050,000 | 10,783 | 0.18% | 0.2% | 12 | +50,000 | 5.0% | Q2 2026 | Aug 14, 2026 |
| LuminArx Capital Management LP | History | Added to | 1,204,054 | 10,441 | 4.65% | 7.45% | 13 | +200,675 | 20.0% | Q2 2026 | Aug 14, 2026 |
| ARISTEIA CAPITAL, L.L.C. | History | No change | 1,000,000 | 10,270 | 0.13% | 0.21% | 14 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Ghisallo Capital Management LLC | History | No change | 1,000,000 | 10,270 | 0.2% | 0.28% | 15 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| METEORA CAPITAL, LLC | History | Reduced | 953,237 | 9,789 | 0.81% | 0.82% | 16 | -145,057 | -13.21% | Q2 2026 | Aug 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 857,600 | 8,807 | 0.0% | 0.0% | 17 | -99,960 | -10.44% | Q2 2026 | Aug 14, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | No change | 854,756 | 8,778 | 0.01% | 0.01% | 18 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| TORONTO DOMINION BANK | History | Added to | 808,302 | 8,365 | 0.01% | 0.01% | 19 | +299,793 | 58.96% | Q2 2026 | Aug 14, 2026 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | History | No change | 700,000 | 7,189 | 0.01% | 0.01% | 20 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| PICTON MAHONEY ASSET MANAGEMENT | History | No change | 700,000 | 7,189 | 0.05% | 0.05% | 21 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| LINDEN ADVISORS LP | History | No change | 600,000 | 6,162 | 0.03% | 0.03% | 22 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Centiva Capital, LP | History | Added to | 562,500 | 5,776 | 0.05% | 0.02% | 23 | +300,000 | 114.29% | Q2 2026 | Aug 13, 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | History | Reduced | 518,210 | 5,322 | 0.0% | 0.0% | 24 | -28,041 | -5.13% | Q2 2026 | Aug 13, 2026 |
| Jain Global LLC | History | No change | 500,000 | 5,135 | 0.02% | 0.02% | 25 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| BOUSSARD & GAVAUDAN GESTION SAS | History | New | 500,000 | 5,105 | 0.26% | — | 26 | +500,000 | New | Q2 2026 | Aug 19, 2026 |
| Boussard & Gavaudan Investment Management LLP | History | No change | 500,000 | 5,050 | 0.48% | 0.48% | 27 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Verition Fund Management LLC | History | Reduced | 472,950 | 4,857 | 0.02% | 0.03% | 28 | -250 | -0.05% | Q2 2026 | Aug 14, 2026 |
| Saba Capital Management, L.P. | History | Reduced | 455,777 | 4,680 | 0.12% | 0.15% | 29 | -79,803 | -14.9% | Q2 2026 | Aug 14, 2026 |
| BlueCrest Capital Management Ltd | History | No change | 450,000 | 4,657 | 0.15% | 0.27% | 30 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Magnetar Financial LLC | History | No change | 450,000 | 4,621 | 0.04% | 0.05% | 31 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Shaolin Capital Management LLC | History | Reduced | 430,650 | 4,422 | 0.21% | 0.21% | 32 | -136,783 | -24.11% | Q2 2026 | Aug 14, 2026 |
| PERISCOPE CAPITAL INC. | History | No change | 425,000 | 4,364 | 0.38% | 0.48% | 33 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| Radcliffe Capital Management, L.P. | History | Added to | 412,365 | 4,234 | 0.32% | 0.26% | 34 | +73,919 | 21.84% | Q2 2026 | Aug 14, 2026 |
| Lineage Point Capital LP | History | Reduced | 400,000 | 4,108 | 0.84% | 1.16% | 35 | -70,000 | -14.89% | Q2 2026 | Aug 14, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | No change | 359,100 | 3,687 | 0.0% | 0.0% | 36 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| TENOR CAPITAL MANAGEMENT Co., L.P. | History | No change | 350,000 | 3,594 | 0.05% | 0.05% | 37 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| GLAZER CAPITAL, LLC | History | Reduced | 334,711 | 3,437 | 0.08% | 0.07% | 38 | -420 | -0.13% | Q2 2026 | Aug 14, 2026 |
| Hudson Bay Capital Management LP | History | No change | 310,521 | 3,189 | 0.01% | 0.01% | 39 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| READYSTATE ASSET MANAGEMENT LP | History | Added to | 307,286 | 3,159 | 0.11% | 0.05% | 40 | +200,000 | 186.42% | Q2 2026 | Aug 14, 2026 |
| Bulldog Investors, LLP | History | Reduced | 306,885 | 3,151 | 0.69% | 0.7% | 41 | -1,356 | -0.44% | Q2 2026 | Aug 14, 2026 |
| LMR Partners LLP | History | No change | 300,000 | 3,105 | 0.01% | 0.01% | 42 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| DLD Asset Management, LP | History | Added to | 300,000 | 3,081 | 0.2% | 0.25% | 44 | +23,955 | 8.68% | Q2 2026 | Aug 12, 2026 |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | History | No change | 300,000 | 3,081 | 0.07% | 0.1% | 43 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Westchester Capital Management, LLC | History | No change | 250,000 | 2,587 | 0.13% | 0.12% | 45 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Schonfeld Strategic Advisors LLC | History | No change | 249,876 | 2,566 | 0.01% | 0.02% | 46 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | History | No change | 233,150 | 2,394 | 0.01% | 0.01% | 47 | 0 | 0.0% | Q2 2026 | Jul 17, 2026 |
| Walleye Capital LLC | History | No change | 200,000 | 2,070 | 0.01% | 0.01% | 48 | 0 | 0.0% | Q2 2026 | Aug 03, 2026 |
| HBK INVESTMENTS L P | History | No change | 200,005 | 2,054 | 0.02% | 0.02% | 49 | 0 | 0.0% | Q2 2026 | Sep 16, 2026 |
| K2 PRINCIPAL FUND, L.P. | History | No change | 200,000 | 2,054 | 0.15% | 0.14% | 50 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| Clear Street Group Inc. | History | Reduced | 187,222 | 1,926 | 0.0% | 0.01% | 51 | -42,037 | -18.34% | Q2 2026 | Aug 12, 2026 |
| CITIGROUP INC | History | No change | 175,000 | 1,797 | 0.0% | 0.0% | 52 | 0 | 0.0% | Q2 2026 | Aug 03, 2026 |
| BERKLEY W R CORP | History | No change | 149,955 | 1,540 | 0.07% | 0.08% | 53 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| WOLVERINE ASSET MANAGEMENT LLC | History | No change | 150,000 | 1,540 | 0.01% | 0.01% | 54 | 0 | 0.0% | Q2 2026 | Aug 10, 2026 |
| Context Capital Management, LLC | History | No change | 150,000 | 1,540 | 0.03% | 0.04% | 55 | 0 | 0.0% | Q2 2026 | Jul 23, 2026 |
| First Trust Capital Management L.P. | History | No change | 149,995 | 1,540 | 0.09% | 0.08% | 56 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| SONA ASSET MANAGEMENT (US) LLC | History | No change | 102,723 | 1,054 | 0.02% | 0.02% | 57 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | No change | 75,000 | 776 | 0.01% | 0.01% | 58 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Parallax Volatility Advisers, L.P. | History | New | 58,585 | 606 | 0.0% | — | 59 | +58,585 | New | Q2 2026 | Aug 14, 2026 |
| JPMORGAN CHASE & CO | History | No change | 55,075 | 565 | 0.0% | 0.0% | 60 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| HRT FINANCIAL LP | History | Reduced | 52,001 | 538 | 0.0% | 0.0% | 61 | -17,988 | -25.7% | Q2 2026 | Aug 14, 2026 |
| Galaxy Digital Inc. | History | No change | 50,000 | 513 | 0.03% | 0.04% | 62 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| O'Connor Alternative Investments LLC | History | No change | 50,000 | 513 | 0.04% | 0.04% | 63 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| PenderFund Capital Management Ltd. | History | Added to | 26,600 | 273 | 0.03% | 0.02% | 64 | +16,600 | 166.0% | Q2 2026 | Aug 14, 2026 |
| SkyView Investment Advisors, LLC | History | New | 25,100 | 260 | 0.2% | — | 65 | +25,100 | New | Q2 2026 | Sep 14, 2026 |
| STATE OF WISCONSIN INVESTMENT BOARD | History | No change | 24,000 | 246 | 0.0% | 0.0% | 66 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Mint Tower Capital Management B.V. | History | No change | 20,000 | 205 | 0.02% | 0.02% | 67 | 0 | 0.0% | Q2 2026 | Aug 18, 2026 |
| OMERS ADMINISTRATION Corp | History | No change | 10,000 | 103 | 0.0% | 0.0% | 68 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| UBS Group AG | History | Added to | 7,297 | 75 | 0.0% | 0.0% | 69 | +14 | 0.19% | Q2 2026 | Aug 13, 2026 |
| Decagon Asset Management LLP | History | Closed out | 0 | 0 | — | 1.72% | — | -656,944 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Lighthouse Investment Partners, LLC | History | Closed out | 0 | 0 | — | 0.18% | — | -500,000 | -100.0% | Q2 2026 | Aug 14, 2026 |
| CSS LLC/IL | History | Closed out | 0 | 0 | — | 0.19% | — | -387,390 | -100.0% | Q2 2026 | Aug 14, 2026 |
| CANTOR FITZGERALD, L. P. | History | Closed out | 0 | 0 | — | 0.04% | — | -297,361 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Virtu Financial LLC | History | Closed out | 0 | 0 | — | 0.04% | — | -98,464 | -100.0% | Q2 2026 | Aug 13, 2026 |
| Diametric Capital, LP | History | Closed out | 0 | 0 | — | 0.16% | — | -58,585 | -100.0% | Q2 2026 | Aug 14, 2026 |
| JANE STREET GROUP, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -24,810 | -100.0% | Q2 2026 | Aug 14, 2026 |
| PRELUDE CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -14,826 | -100.0% | Q2 2026 | Aug 14, 2026 |