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Alamar Biosciences ALMR

US equityMarket cap rank #2584Medical Devices
$38.13 +$3.77 (+10.97%)
Pre-market · Oct 6, 7:00 am ET · After hours $37.37 -1.99%
Open$34.66
Prev close$34.36
Day range$33.36 – $38.38
Volume570.8K
Market cap$2.65B
P/E (TTM)–
Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership66.7%-0.15 pts vs. prior quarter
Institutions holding107-2 vs. prior quarter
Insider trades (recent)23 buys / 13 sellsNet buying
Short interest3.06% of floatDays to cover 8.0 · as of 15 Sep 2026
Short-sale volume share18.2%5-day average of daily volume

Short-sale volume as % of daily volume

10%20%30%40%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$1.36M (14 inflow days, 6 outflow days).

The five largest holders on file together own 41.9% of shares outstanding.

Largest holders

  • Qiming Weichuang Venture Capital Management (Shanghai) Company Limited15.27%
  • IIF Management Company LLC9.17%
  • Zhuhai Sherpa Equity Investment Management Company Limited6.91%
  • Sands Capital Alternatives, LLC6.10%
  • Yuling Luo4.45%
  • Lian Luo4.29%
  • Samsara BioCapital LLC3.57%
  • T. Rowe Price Group, Inc.3.19%

By investor type

  • VC/PE Fund42.42%
  • Mutual Fund16.00%
  • Individual/Insider10.44%
  • Hedge Fund7.65%
  • Government Pension Fund0.30%
  • Public Company0.16%
  • Family Office/Trust0.11%
  • Private Company0.05%

Reported short interest has fallen from 4.03% to 3.06% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 2,122,340 3.1% 8.0
31 Aug 2026 2,121,181 3.1% 6.5
14 Aug 2026 2,075,441 3.0% 5.3
31 Jul 2026 2,430,004 3.5% 11.3
15 Jul 2026 2,245,722 3.2% 7.6
30 Jun 2026 2,790,289 4.0% 4.9

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