Institutional Holders (2026 Q1)
39 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in GSHR. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | GRITSTONE ASSET MANAGEMENT LLC | 1.09% | 98,832 | $1.0M |
| 2 | Fort Baker Capital Management LP | 0.89% | 1,091,570 | $11.3M |
| 3 | Wealthspring Capital LLC | 0.38% | 153,084 | $1.6M |
| 4 | PERISCOPE CAPITAL INC. | 0.32% | 280,304 | $2.9M |
| 5 | First Trust Capital Management L.P. | 0.26% | 482,440 | $5.0M |
| 6 | RIVERNORTH CAPITAL MANAGEMENT, LLC | 0.23% | 449,756 | $4.7M |
| 7 | Mint Tower Capital Management B.V. | 0.23% | 250,000 | $3K |
| 8 | Radcliffe Capital Management, L.P. | 0.22% | 278,459 | $2.9M |
| 9 | TENOR CAPITAL MANAGEMENT Co., L.P. | 0.19% | 1,200,000 | $12.4M |
| 10 | O'Connor Alternative Investments LLC | 0.18% | 200,000 | $2.1M |
| 11 | MMCAP International Inc. SPC | 0.16% | 175,000 | $1.8M |
| 12 | Shaolin Capital Management LLC | 0.13% | 350,000 | $3.6M |
| 13 | Kepos Capital LP | 0.13% | 7,900 | — |
| 14 | Westchester Capital Management, LLC | 0.11% | 240,000 | $2.5M |
| 15 | GLAZER CAPITAL, LLC | 0.10% | 434,100 | $4K |
| 16 | Magnetar Financial LLC | 0.09% | 900,000 | $9.3M |
| 17 | DLD Asset Management, LP | 0.09% | 100,000 | $1.0M |
| 18 | BERKLEY W R CORP | 0.09% | 163,796 | $1.7M |
| 19 | MOORE CAPITAL MANAGEMENT, LP | 0.05% | 250,000 | $2.6M |
| 20 | Karpus Management, Inc. | 0.05% | 149,000 | $1.5M |
| 21 | Verition Fund Management LLC | 0.04% | 658,094 | $6.8M |
| 22 | WHITEBOX ADVISORS LLC | 0.04% | 300,000 | $3.1M |
| 23 | SONA ASSET MANAGEMENT (US) LLC | 0.04% | 174,729 | $1.8M |
| 24 | MIZUHO SECURITIES USA LLC | 0.04% | 156,100 | $1.6M |
| 25 | METEORA CAPITAL, LLC | 0.04% | 47,198 | $489K |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|