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MannKind MNKD

US equityMarket cap rank #3103
$3.82 +$0.02 (+0.53%)
Market closed · Oct 5, 10:20 pm ET · Last extended-hours $3.82 0.00%
Open$3.82
Prev close$3.80
Day range$3.70 – $3.85
Volume2.88M
Market cap$1.23B
P/E (TTM)–
Dividend yield–

Ownership & positioning

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

Institutional ownership57.5%-2.75 pts vs. prior quarter
Institutions holding308+1 vs. prior quarter
Insider trades (recent)29 buys / 21 sellsNet buying
Short interest9.14% of floatDays to cover 9.1 · as of 15 Sep 2026
Short-sale volume share25.4%5-day average of daily volume

Short-sale volume as % of daily volume

12%19%25%31%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$16.20M (8 inflow days, 12 outflow days).

The five largest holders on file together own 27.9% of shares outstanding.

Largest holders

  • BlackRock9.99%
  • Rubric Capital Management LP5.60%
  • State Street Global Advisors5.03%
  • Vanguard Capital Management, LLC4.78%
  • Geode Capital Management, LLC2.47%
  • Wellington Management Group2.44%
  • Frazier Life Sciences Management, LP2.05%
  • Deep Track Capital, LP1.87%

By investor type

  • Mutual Fund36.72%
  • Hedge Fund10.62%
  • VC/PE Fund3.93%
  • Public Company3.30%
  • Individual/Insider1.85%
  • Family Office/Trust1.61%
  • Private Company0.65%
  • Government Pension Fund0.48%

Reported short interest has risen from 8.48% to 9.14% 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 29,398,550 9.1% 9.1
31 Aug 2026 26,554,857 8.3% 8.5
14 Aug 2026 28,582,134 8.9% 5.6
31 Jul 2026 27,895,392 9.0% 6.2
15 Jul 2026 28,190,841 9.1% 5.9
30 Jun 2026 26,186,791 8.5% 4.4

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