Institutional Holders (2026 Q2)
28 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in CALC. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Stonepine Capital Management, LLC | 0.59% | 2,128,597 | $1.3M |
| 2 | Squadron Capital Management LLC | 0.40% | 1,244,864 | $1.3M |
| 3 | Heights Capital Management, Inc | 0.37% | 1,556,081 | $1.6M |
| 4 | Stempoint Capital LP | 0.21% | 1,244,864 | $1.2M |
| 5 | L1 Global Manager Pty Ltd | 0.18% | 248,972 | $256K |
| 6 | Scientech Research LLC | 0.01% | 15,105 | $16K |
| 7 | 180 Wealth Advisors, LLC | 0.01% | 83,400 | $86K |
| 8 | Woodline Partners LP | 0.01% | 2,489,729 | $2.6M |
| 9 | TritonPoint Partners, LLC | 0.00% | 15,119 | $16K |
| 10 | XTX Topco Ltd | 0.00% | 78,288 | $81K |
| 11 | Sound View Wealth Advisors Group, LLC | 0.00% | 10,000 | $10K |
| 12 | Renaissance Technologies LLC | 0.00% | 97,300 | $100K |
| 13 | Tower Research Capital LLC (TRC) | 0.00% | 4,104 | $4K |
| 14 | Hrt Financial LP | 0.00% | 46,825 | $48K |
| 15 | Rockefeller Capital Management L.P. | 0.00% | 20,000 | $21K |
| 16 | Vanguard Fiduciary Trust Co | 0.00% | 45,829 | $47K |
| 17 | Citadel Advisors LLC | 0.00% | 71,800 | $74K |
| 18 | Morgan Stanley | 0.00% | 143,245 | $148K |
| 19 | Susquehanna International Group, LLP | 0.00% | 43,968 | $45K |
| 20 | Simplex Trading, LLC | 0.00% | 4,723 | $5K |
| 21 | SBI Securities Co., Ltd. | 0.00% | 87 | — |
| 22 | Vanguard Capital Management LLC | 0.00% | 88,956 | $92K |
| 23 | Brown Brothers Harriman & Co | 0.00% | 308 | — |
| 24 | Osaic Holdings, INC. | 0.00% | 107 | — |
| 25 | Barclays plc | 0.00% | 274 | — |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|