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Anteris Technologies Global AVR

US equityMarket cap rank #3548Medical Devices
$6.82 −$0.23 (-3.26%)
Pre-market · Oct 8, 8:10 am ET · After hours $6.88 +0.88%
Open$6.83
Prev close$7.05
Day range$6.76 – $7.08
Volume2.45M
Market cap$664.67M
P/E (TTM)–
Dividend yield–

Ownership & positioning

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

Institutional ownership86.5%-2.95 pts vs. prior quarter
Institutions holding170-1 vs. prior quarter
Insider trades (recent)33 buys / 15 sellsNet buying
Short interest6.59% of floatDays to cover 11.3 · as of 15 Sep 2026
Short-sale volume share17.1%5-day average of daily volume

Short-sale volume as % of daily volume

9%20%30%41%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$1.08M (9 inflow days, 11 outflow days).

Net flow by order size, last 20 sessions

−$560.5KSuper−$514.7KBig−$72.9KMid−$650.0KSmall

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 42.4% of shares outstanding.

Largest holders

  • Medtronic plc16.05%
  • FMR7.51%
  • Sio Capital Management, LLC7.51%
  • BlackRock5.96%
  • L1 Capital Pty. Limited5.33%
  • Perceptive Advisors LLC5.26%
  • Nantahala Capital Management, LLC3.47%
  • ADAR1 Capital Management, LLC3.23%

By investor type

  • Mutual Fund32.83%
  • Hedge Fund25.41%
  • Public Company17.01%
  • VC/PE Fund9.06%
  • Individual/Insider2.46%
  • Private Company1.76%
  • Family Office/Trust0.24%
  • Insurance Company0.18%

Reported short interest has risen from 6.32% to 6.59% 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 +170,505 0.2%
BlackRock Mutual Fund 2026/Q3 +882,705 6.0%
Assenagon Asset Management S.A. Mutual Fund 2026/Q3 +644,668 0.7%
Citadel Advisors LLC Hedge Fund 2026/Q3 +581,223 0.6%
State Street Global Advisors Mutual Fund 2026/Q3 +486,091 1.8%
Renaissance Technologies Corp. Hedge Fund 2026/Q3 +352,500 0.4%
Federated Hermes, Inc. Mutual Fund 2026/Q3 +341,541 0.4%
Balyasny Asset Management L.P. Hedge Fund 2026/Q3 +322,634 0.3%
J.P. Morgan Asset Management, Inc. Mutual Fund 2026/Q3 +316,094 0.3%
Ensign Peak Advisors Inc. Mutual Fund 2026/Q3 +303,089 2.5%
Geode Capital Management, LLC Mutual Fund 2026/Q3 +261,073 2.2%
Causeway Capital Management LLC Mutual Fund 2026/Q3 +253,500 0.3%
Holocene Advisors, LP Hedge Fund 2026/Q3 +178,884 0.2%
PGIM, Inc. Mutual Fund 2026/Q3 +175,530 0.2%
Invesco Capital Management LLC Mutual Fund 2026/Q3 +166,959 0.2%

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

Insider transactions

DateInsiderTitleTransactionSharesPriceHeld after
30 Sep 2026 L1 Capital Pty. Limited Open Market Acquisition +397,226 $7.72 5,200,767
10 Sep 2026 Brent Moen Chief Financial Officer Other Derivative Acquisition +90,274 $8.35 90,274
27 Aug 2026 L1 Capital Pty. Limited Open Market Disposition -7,800 $8.83 4,803,541
18 Aug 2026 David Denis Chief Operating Officer Derivative Exercise and Sale -45,072 $9.58 116,010
18 Aug 2026 David Denis Chief Operating Officer Derivative Exercise and Retained +14,928 $5.65 116,010
10 Aug 2026 L1 Capital Pty. Limited Open Market Disposition -627,659 $9.30 4,811,341
5 Aug 2026 L1 Capital Pty. Limited Open Market Disposition -174,721 $8.10 5,439,000
4 Aug 2026 L1 Capital Pty. Limited Open Market Disposition -495,189 $8.30 5,613,721
2 Aug 2026 L1 Capital Pty. Limited Open Market Disposition -524,404 $8.15 6,108,910
29 Jul 2026 L1 Capital Pty. Limited Open Market Disposition -714,138 $8.20 6,633,314
27 Jul 2026 L1 Capital Pty. Limited Open Market Disposition -441,548 $8.19 7,347,452
26 Jul 2026 L1 Capital Pty. Limited Open Market Derivative Dispositi -48,344 – 5,359,470
23 Jul 2026 L1 Capital Pty. Limited Open Market Disposition -23,000 $8.13 –
6 Jun 2026 David Roberts Director Derivative Exercise and Retained +17,580 – 17,580
6 Jun 2026 Gregory Moss Director Derivative Exercise and Retained +17,580 – 17,580
4 Jun 2026 Matthew McDonnell Chief Financial Officer Derivative Exercise and Sale -39,595 $9.83 50,183
4 Jun 2026 Matthew McDonnell Chief Financial Officer Derivative Exercise and Retained +22,406 $6.32 50,183
1 Jun 2026 Susan Knight Director Open Market Acquisition +11,000 $9.29 11,000
10 May 2026 Stephen Denaro Independent Non-Executive Director & Company Secretary Initial Statement of Beneficial +0 – 170,500
3 Mar 2026 Matthew McDonnell Chief Financial Officer Other Derivative Acquisition +78,740 – 78,740

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 6,419,184 6.6% 11.3
31 Aug 2026 6,973,149 7.2% 9.9
14 Aug 2026 6,931,282 7.1% 7.9
31 Jul 2026 7,141,146 7.3% 6.9
15 Jul 2026 8,071,451 8.3% 6.4
30 Jun 2026 6,150,188 6.3% 3.6

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