BeStock  

Janus International JBI

US equityMarket cap rank #3649Building Products & Equipment
$4.21 −$0.11 (-2.55%)
Pre-market · Oct 8, 9:00 am ET · After hours $4.21 0.00%
Open$4.23
Prev close$4.32
Day range$4.17 – $4.28
Volume2.00M
Market cap$574.39M
P/E (TTM)17.5
Dividend yield–

Ownership & positioning

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

Institutional ownership93.8%-0.32 pts vs. prior quarter
Institutions holding269-2 vs. prior quarter
Insider trades (recent)26 buys / 24 sellsNet buying
Short interest4.84% of floatDays to cover 3.1 · as of 15 Sep 2026
Short-sale volume share18.7%5-day average of daily volume

Short-sale volume as % of daily volume

16%19%22%24%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$1.03M (8 inflow days, 12 outflow days).

Net flow by order size, last 20 sessions

−$1.8MSuper+$746.0KBig−$562.4KMid−$3.0MSmall

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 35.6% of shares outstanding.

Largest holders

  • FMR15.00%
  • BlackRock7.92%
  • Vanguard Capital Management, LLC4.96%
  • J.P. Morgan Asset Management, Inc.3.97%
  • Cooke & Bieler, L.P.3.74%
  • Dimensional Fund Advisors3.72%
  • River Road Asset Management, LLC3.20%
  • Vanguard Portfolio Management, LLC2.95%

By investor type

  • Mutual Fund71.69%
  • Hedge Fund10.81%
  • Individual/Insider4.74%
  • Private Company3.13%
  • Public Company2.67%
  • VC/PE Fund2.37%
  • Family Office/Trust2.04%
  • Government Pension Fund0.66%

Reported short interest has risen from 3.15% to 4.84% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

HolderTypePeriodShare changeNew stake
Nuveen Asset Management LLC Insurance Company 2026/Q3 +260,914 0.2%
Atlas FRM LLC VC/PE Fund 2026/Q3 +3,240,000 2.4%
Qube Research & Technologies Ltd Mutual Fund 2026/Q3 +2,243,923 1.6%
MW Advisory, LLC Family Office/Trust 2026/Q3 +2,183,549 1.6%
AQR Capital Management Hedge Fund 2026/Q3 +1,309,366 1.4%
Dimensional Fund Advisors Mutual Fund 2026/Q3 +874,847 3.7%
BlackRock Mutual Fund 2026/Q3 +788,284 7.9%
Bridgeway Capital Management, LLC Mutual Fund 2026/Q3 +729,386 0.8%
D. E. Shaw & Co., L.P. Hedge Fund 2026/Q3 +712,581 0.9%
Anchor Capital Management Company, LLC Hedge Fund 2026/Q3 +700,000 1.4%
Point72 Asset Management, L.P. Hedge Fund 2026/Q3 +694,140 0.5%
Hudson River Trading LLC Private Company 2026/Q3 +571,873 0.4%
JPMorgan Chase & Co. Public Company 2026/Q3 +472,417 0.5%
Private Capital Management, LLC Mutual Fund 2026/Q3 +451,000 0.4%
The Goldman Sachs Group, Inc. Public Company 2026/Q3 +437,697 0.5%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

DateInsiderTitleTransactionSharesPriceHeld after
22 Sep 2026 Vic Nettie Officer Other Acquisition +176,056 – 225,274
22 Sep 2026 Morgan Hodges Executive Vice President Other Acquisition +176,056 – 222,924
22 Sep 2026 Anselm Wong Chief Financial Officer Other Acquisition +176,056 – 390,679
14 Aug 2026 Elliot Kahler General Counsel Sale to Issuer -599 $5.11 24,988
14 Aug 2026 David Vanevenhoven Chief Accounting Officer Sale to Issuer -599 $5.11 9,680
14 Aug 2026 Jason Williams Sale to Issuer -2,832 $5.11 3,526
15 Jun 2026 Eileen Youds Director Other Acquisition +38,379 – 75,451
15 Jun 2026 Eileen Youds Director Other Disposition -38,379 – 75,451
8 Jun 2026 Roger Fradin Independent Vice Chairperson Other Acquisition +38,973 – 38,973
8 Jun 2026 Joseph Hanna Director Other Acquisition +20,912 – 20,912
8 Jun 2026 Lance Byerly Director Other Acquisition +41,825 – 41,825
8 Jun 2026 Xavier Gutierrez Independent Director Other Acquisition +20,912 – 20,912
8 Jun 2026 Eileen Youds Director Other Acquisition +37,072 – 37,072
8 Jun 2026 Paul Vasington Director Other Acquisition +26,615 – 26,615
8 Jun 2026 Heather Harding Independent Director Other Acquisition +22,813 – 22,813
8 Jun 2026 Jeannine Lane Director Other Acquisition +33,269 – 33,269
31 Mar 2026 Elliot Kahler General Counsel Sale to Issuer -589 $5.06 24,243
31 Mar 2026 Rebecca Castillo Officer Sale to Issuer -589 $5.06 20,854
20 Mar 2026 Vic Nettie Officer Sale to Issuer -3,325 $5.37 904,507
20 Mar 2026 Ramey Jackson Chief Executive Officer Sale to Issuer -31,133 $5.37 1,161,308

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 6,596,703 4.8% 3.1
31 Aug 2026 5,912,095 4.3% 3.8
14 Aug 2026 5,011,606 3.7% 2.7
31 Jul 2026 4,778,461 3.5% 4.7
15 Jul 2026 4,659,808 3.4% 3.9
30 Jun 2026 4,291,454 3.1% 1.7

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