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ArriVent BioPharma AVBP

US equityMarket cap rank #3029
$28.46 +$0.19 (+0.67%)
Pre-market · Oct 6, 4:10 am ET · After hours $28.46 0.00%
Open$28.00
Prev close$28.27
Day range$27.02 – $28.70
Volume494.8K
Market cap$1.40B
P/E (TTM)–
Dividend yield–

Ownership & positioning

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

Institutional ownership103.1%-2.51 pts vs. prior quarter
Institutions holding193-1 vs. prior quarter
Insider trades (recent)29 buys / 1 sellsNet buying
Short interest17.78% of floatDays to cover 17.7 · as of 15 Sep 2026
Short-sale volume share25.5%5-day average of daily volume

Short-sale volume as % of daily volume

10%18%27%35%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$12.90M (10 inflow days, 10 outflow days).

The five largest holders on file together own 38.9% of shares outstanding.

Largest holders

  • Montanova Capital, LLC9.16%
  • Infinitum Asset Management, LLC9.00%
  • Hillhouse Capital Management, Ltd.7.97%
  • BlackRock6.59%
  • OrbiMed Advisors LLC6.14%
  • FMR5.64%
  • HBM Healthcare Investments AG4.45%
  • Eli Lilly Investment Consulting (Shanghai) Co., Ltd.4.15%

By investor type

  • VC/PE Fund37.61%
  • Hedge Fund31.81%
  • Mutual Fund29.61%
  • Public Company2.49%
  • Individual/Insider1.82%
  • Private Company1.39%
  • Government Pension Fund0.18%
  • Family Office/Trust0.04%

Reported short interest has risen from 16.37% to 17.78% 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 8,766,246 17.8% 17.7
31 Aug 2026 8,691,715 17.6% 20.4
14 Aug 2026 8,227,393 16.7% 21.8
31 Jul 2026 8,046,475 17.3% 13.9
15 Jul 2026 7,665,375 16.5% 17.9
30 Jun 2026 7,624,281 16.4% 9.1

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