ALMR: Alamar Biosciences, Inc. insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 28 sales totaling $10.77M in the last 180 days.
Insider sales
| Trade date | Insider | Role | Value | 10b5-1 plan |
|---|---|---|---|---|
| 2026-10-20 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $5K | |
| 2026-10-20 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $54K | |
| 2026-10-20 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $10K | |
| 2026-10-20 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $197K | |
| 2026-10-20 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $2.02M | |
| 2026-10-20 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $354K | |
| 2026-10-20 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $46K | |
| 2026-10-20 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $472K | |
| 2026-10-20 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $83K | |
| 2026-10-20 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $55K | |
| 2026-10-20 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $565K | |
| 2026-10-20 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $99K | |
| 2026-10-19 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $35K | |
| 2026-10-19 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $1.29M | |
| 2026-10-19 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $301K | |
| 2026-10-19 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $361K | |
| 2026-10-16 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $54 | |
| 2026-10-16 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $2K | |
| 2026-10-16 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $567 | |
| 2026-10-16 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $676 | |
| 2026-10-15 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $84K | |
| 2026-10-15 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $254 | |
| 2026-10-15 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $3.12M | |
| 2026-10-15 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $9K | |
| 2026-10-15 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $727K | |
| 2026-10-15 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $2K | |
| 2026-10-15 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $871K | |
| 2026-10-15 | Qiming Corporate Gp Vi, Ltd. / Qiming Managing Directors Fund Vi, L.P. / Qiming Venture Partners Vi, L.P. / Qiming Gp Viii, Llc / Qiming Venture Partners Viii Investments, Llc / Qiming Gp Viii-Hc, Llc | 10% Owner | $3K |
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-08-13 | New 13G stake | Yuling Luo | 6.40% | SEC | |
| 2026-08-11 | New 13G stake | Qiming Corporate GP VI, Ltd | 10.20% | SEC |
Institutional ownership (Q2 2026)
87 institutions reported holding $599.60M of Alamar Biosciences, Inc. on Form 13F (0 the quarter before). 87 opened a new position and 0 sold out. Shares held by institutions: new.
| Largest holders | Shares | Value |
|---|---|---|
| Sands Capital Alternatives, LLC | 4,230,926 | $114.62M |
| SAMSARA BIOCAPITAL, LLC | 2,480,310 | $67.19M |
| ARK Investment Management LLC | 1,373,959 | $37.22M |
| BRAIDWELL LP | 1,083,983 | $29.37M |
| ALLIANCEBERNSTEIN L.P. | 1,003,077 | $27.17M |
| HHLR ADVISORS, LTD. | 956,462 | $25.91M |
| BlackRock, Inc. | 911,445 | $24.69M |
| MILLENNIUM MANAGEMENT LLC | 865,764 | $23.45M |
| FMR LLC | 829,424 | $22.47M |
| PURA VIDA INVESTMENTS, LLC | 755,909 | $20.48M |
Get new insider and activist filings the morning after: daily alerts. Not investment advice.