Institutional Holders (2026 Q1)
692 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in HOLX. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | O'Connor Alternative Investments LLC | 20.19% | 3,118,178 | $235.7M |
| 2 | Equitec Proprietary Markets, LLC | 18.46% | 457,000 | $34.5M |
| 3 | T3 Companies, LLC | 14.69% | 149,276 | $11.3M |
| 4 | PSquared Asset Management AG | 10.68% | 405,920 | $30.7M |
| 5 | Absolute Gestao de Investimentos Ltda. | 10.40% | 1,206,999 | $91.2M |
| 6 | Taconic Capital Advisors LP | 8.86% | 268,535 | $20.3M |
| 7 | Equitec Proprietary Markets, LLC | 8.79% | 217,567 | $16.4M |
| 8 | Foursixthree Capital LP | 8.73% | 309,800 | $23.4M |
| 9 | Foursixthree Capital LP | 8.73% | 309,800 | $23.4M |
| 10 | Fifth Lane Capital, LP | 8.68% | 94,528 | $7.1M |
| 11 | Nexpoint Asset Management, L.P. | 7.82% | 1,541,860 | $116.5M |
| 12 | CIBRA Capital Ltd | 7.62% | 208,996 | $15.8M |
| 13 | Hbk Investments L P | 7.52% | 9,800,000 | $740.8M |
| 14 | Twin Securities, Inc. | 6.57% | 179,036 | $13.5M |
| 15 | Trium Capital LLP | 5.99% | 112,548 | $8.5M |
| 16 | Harvest Management LLC | 5.98% | 163,300 | $12.3M |
| 17 | Decagon Asset Management LLP | 5.38% | 275,000 | $20.8M |
| 18 | First Trust Capital Management L.P. | 5.27% | 1,327,989 | $100.4M |
| 19 | Water Island Capital LLC | 4.73% | 560,045 | $42.3M |
| 20 | TIG Advisors, LLC | 4.67% | 1,335,117 | $100.9M |
| 21 | Bck Capital Management LP | 4.61% | 14,000 | $1.1M |
| 22 | Yakira Capital Management, Inc. | 4.39% | 198,613 | $15.0M |
| 23 | Kryger Capital LLC | 4.39% | 821,131 | $62.1M |
| 24 | Kapitalo Investimentos Ltda | 4.03% | 283,575 | $21.4M |
| 25 | Vazirani Asset Management LLC | 3.48% | 20,000 | $1.5M |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|