BeStock  
Stocks › ATS

ATS Corp ATS

US equityMarket cap rank #2851Specialty Industrial MachineryRobotics
$18.53 +$0.27 (+1.48%)
Pre-market · Oct 6, 7:00 am ET · After hours $18.53 0.00%
Open$18.26
Prev close$18.26
Day range$17.99 – $18.56
Volume209.7K
Market cap$1.82B
P/E (TTM)55.5
Dividend yield–

Ownership & positioning

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

Institutional ownership89.0%+0.06 pts vs. prior quarter
Institutions holding185+0 vs. prior quarter
Short interest2.19% of floatDays to cover 5.9 · as of 15 Sep 2026
Short-sale volume share18.7%5-day average of daily volume

Short-sale volume as % of daily volume

12%21%29%38%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$966.8K (9 inflow days, 11 outflow days).

The five largest holders on file together own 39.2% of shares outstanding.

Largest holders

  • Mason Capital Management LLC16.91%
  • EdgePoint Investment Group Inc.7.22%
  • RBC Global Asset Management Inc.6.90%
  • Beutel Goodman & Company Ltd.4.94%
  • Vanguard Capital Management, LLC3.22%
  • Turtle Creek Asset Management Inc.3.18%
  • FMR2.99%
  • Hamblin Watsa Investment Counsel Ltd.2.56%

By investor type

  • Mutual Fund47.91%
  • Hedge Fund28.68%
  • Public Company4.72%
  • Insurance Company2.56%
  • Private Company2.08%
  • Government Pension Fund1.77%
  • Sovereign Wealth Fund1.12%
  • Individual/Insider0.27%

Reported short interest has risen from 1.93% to 2.19% 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 2,150,708 2.2% 5.9
31 Aug 2026 1,965,541 2.0% 8.3
14 Aug 2026 2,033,245 2.1% 5.6
31 Jul 2026 2,004,523 2.0% 15.2
15 Jul 2026 1,901,339 1.9% 12.2
30 Jun 2026 1,894,815 1.9% 11.6

Discussion

No comments yet — be the first to weigh in on ATS.

Leave a comment

Scroll to Top