Institutional Holders (2026 Q2)
183 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in BLFS. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Casdin Capital, LLC | 6.58% | 4,655,000 | $131.5M |
| 2 | Heights Point Management, LP | 5.37% | 238,850 | $6.7M |
| 3 | Gagnon Advisors, LLC | 4.92% | 274,217 | $7.7M |
| 4 | Roubaix Capital, LLC | 3.14% | 309,618 | $8.7M |
| 5 | Gagnon Securities LLC | 2.92% | 535,906 | $15.1M |
| 6 | Summit Creek Advisors LLC | 1.74% | 180,544 | $5.1M |
| 7 | Next Century Growth Investors LLC | 0.84% | 558,829 | $15.8M |
| 8 | Cramer Rosenthal Mcglynn LLC | 0.82% | 575,792 | $16.3M |
| 9 | Penbrook Management LLC | 0.72% | 39,705 | $1.1M |
| 10 | Granahan Investment Management, LLC | 0.52% | 521,430 | $14.7M |
| 11 | Uniplan Investment Counsel, Inc. | 0.50% | 188,330 | $5.3M |
| 12 | Palisade Capital Management, LP | 0.43% | 352,737 | $10.0M |
| 13 | Ranger Investment Management, L.P. | 0.43% | 238,521 | $6.7M |
| 14 | Isthmus Partners, LLC | 0.38% | 140,987 | $4.0M |
| 15 | Geneva Capital Management LLC | 0.38% | 582,141 | $16.4M |
| 16 | Harvest Management LLC | 0.36% | 32,000 | $904K |
| 17 | Peregrine Capital Management LLC | 0.30% | 325,382 | $9.2M |
| 18 | Harvest Management LLC | 0.23% | 21,000 | $593K |
| 19 | Stephens Investment Management Group LLC | 0.21% | 708,666 | $20.0M |
| 20 | Fox Run Management, L.L.C. | 0.17% | 36,709 | $1.0M |
| 21 | Kings Path Partners LLC | 0.16% | 16,570 | $423K |
| 22 | Numerai GP LLC | 0.14% | 62,256 | $1.8M |
| 23 | Royce & Associates LP | 0.14% | 623,875 | $17.6M |
| 24 | Mutual of America Capital Management LLC | 0.14% | 496,511 | $14.0M |
| 25 | Hodges Capital Management Inc. | 0.14% | 73,000 | $2.1M |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|