The a2 Milk Company Limited

NZSE:ATM Stock Report

Market Cap: NZ$7.7b

a2 Milk Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NZSE:ATM Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
26 Sep 25BuyNZ$57,350Kathryn MitchellIndividual6,000NZ$9.59
23 Sep 25BuyNZ$56,760Pei-Yu YuIndividual6,000NZ$9.46
23 Sep 25BuyNZ$13,788,989Challenger LimitedCompany1,353,748NZ$10.19
22 Sep 25SellNZ$4,677,448Challenger LimitedCompany442,115NZ$10.58
18 Sep 25SellNZ$0David MuscatIndividual58,000NZ$10.24
16 Sep 25SellNZ$0David BortolussiIndividual242,345NZ$10.25
16 Sep 25SellNZ$313,027Jaron McVicarIndividual30,540NZ$10.26
16 Sep 25SellNZ$1,300,899Li XiaoIndividual126,917NZ$10.25
16 Sep 25SellNZ$0Eleanor KhorIndividual14,659NZ$10.27
16 Sep 25SellNZ$328,393Edith BaileyIndividual32,101NZ$10.23
16 Sep 25SellNZ$509,338Yohan SenaratneIndividual49,740NZ$10.24
15 Sep 25SellNZ$255,750Amanda HartIndividual25,000NZ$10.23
15 Sep 25SellNZ$240,497Zhang PingIndividual23,555NZ$10.21
21 Aug 25BuyNZ$103,705,280Challenger LimitedCompany11,719,998NZ$8.85
21 Aug 25BuyNZ$75,923Kathryn MitchellIndividual8,000NZ$9.62
21 Aug 25SellNZ$13,033,073Challenger LimitedCompany1,502,112NZ$8.68
22 May 25BuyNZ$9,676,952UBS Asset Management AGCompany1,090,479NZ$8.87
22 May 25SellNZ$11,115,388UBS Asset Management AGCompany1,252,682NZ$8.92
21 May 25BuyNZ$131,682,402UBS Asset Management AGCompany14,618,679NZ$9.01
21 May 25SellNZ$101,863,116UBS Asset Management AGCompany11,294,599NZ$9.02
23 Apr 25SellNZ$65,367,982UBS Asset Management AGCompany7,266,138NZ$9.00
22 Apr 25BuyNZ$63,323,802UBS Asset Management AGCompany7,077,459NZ$8.95
16 Apr 25SellNZ$463,657J O Hambro Capital Management LimitedCompany52,843NZ$8.77
10 Apr 25BuyNZ$9,980JBWere (NZ) LimitedCompany1,170NZ$8.53
10 Apr 25BuyNZ$44,946JBWere Pty. Ltd.Company5,080NZ$8.85
10 Apr 25BuyNZ$5,596,767Harbour Asset Management LimitedCompany639,029NZ$8.77
10 Apr 25BuyNZ$44,946JBWere Pty. Ltd.Company5,080NZ$8.85
10 Apr 25BuyNZ$9,980JBWere (NZ) LimitedCompany1,170NZ$8.53
10 Apr 25BuyNZ$5,596,767Harbour Asset Management LimitedCompany639,029NZ$8.77
10 Apr 25BuyNZ$7,750,423J O Hambro Capital Management LimitedCompany896,849NZ$8.64
10 Apr 25SellNZ$54,115JBWere Pty. Ltd.Company6,073NZ$8.91
10 Apr 25SellNZ$7,069,423Harbour Asset Management LimitedCompany796,280NZ$8.88
10 Apr 25SellNZ$55,050JBWere (NZ) LimitedCompany6,470NZ$8.51
10 Apr 25SellNZ$54,115JBWere Pty. Ltd.Company6,073NZ$8.91
10 Apr 25SellNZ$55,050JBWere (NZ) LimitedCompany6,470NZ$8.51
10 Apr 25SellNZ$7,069,423Harbour Asset Management LimitedCompany796,280NZ$8.88
07 Apr 25BuyNZ$18,327,551UBS Asset Management AGCompany2,217,879NZ$8.26
07 Apr 25SellNZ$11,888,064UBS Asset Management AGCompany1,433,433NZ$8.29
07 Apr 25SellNZ$82,612,596Perpetual LimitedCompany8,941,913NZ$9.24
04 Apr 25BuyNZ$485,906,735UBS Asset Management AGCompany59,591,175NZ$8.28
04 Apr 25SellNZ$439,729,083UBS Asset Management AGCompany53,353,871NZ$8.58
28 Mar 25BuyNZ$46,129,688Harbour Asset Management LimitedCompany5,898,304NZ$7.85
28 Mar 25BuyNZ$952,640JBWere Pty. Ltd.Company125,936NZ$7.56
28 Mar 25BuyNZ$1,012,303JBWere (NZ) LimitedCompany128,045NZ$7.91
28 Mar 25SellNZ$48,649,982Harbour Asset Management LimitedCompany6,276,826NZ$7.80
28 Mar 25SellNZ$86,125JBWere Pty. Ltd.Company28,919NZ$2.98
28 Mar 25SellNZ$1,264,302JBWere (NZ) LimitedCompany155,951NZ$8.11
26 Mar 25BuyNZ$16,532,316Harbour Asset Management LimitedCompany1,744,945NZ$9.47
26 Mar 25BuyNZ$498,961JBWere Pty. Ltd.Company56,470NZ$8.84
26 Mar 25BuyNZ$680,749JBWere (NZ) LimitedCompany77,402NZ$8.79
26 Mar 25SellNZ$20,766,978Harbour Asset Management LimitedCompany2,324,835NZ$8.93
26 Mar 25SellNZ$5,977JBWere Pty. Ltd.Company680NZ$8.79
26 Mar 25SellNZ$987,312JBWere (NZ) LimitedCompany112,847NZ$8.75
03 Mar 25BuyNZ$14,365,718Perpetual LimitedCompany2,297,972NZ$6.25
20 Feb 25BuyNZ$522,192,827Goldman Sachs Group, Investment Banking and Securities InvestmentsCompany81,283,053NZ$6.54
20 Feb 25SellNZ$592,410,352Goldman Sachs Group, Investment Banking and Securities InvestmentsCompany92,121,619NZ$6.53
18 Feb 25SellNZ$10,833,634Pendal Group LimitedCompany1,329,200NZ$8.15
31 Jan 25BuyNZ$467,566Harbour Asset Management LimitedCompany72,339NZ$6.49
31 Jan 25BuyNZ$11,505JBWere Pty. Ltd.Company1,770NZ$6.50
31 Jan 25BuyNZ$13,040JBWere (NZ) LimitedCompany2,000NZ$6.52
31 Jan 25BuyNZ$5,359,480Paradice Investment Management Pty Ltd.Company999,560NZ$5.36
31 Jan 25SellNZ$10,675,701Harbour Asset Management LimitedCompany1,681,789NZ$6.35
31 Jan 25SellNZ$17,438JBWere (NZ) LimitedCompany2,720NZ$6.41
30 Jan 25BuyNZ$869,523Pendal Group LimitedCompany133,992NZ$6.51
30 Jan 25SellNZ$469,984Goldman Sachs Asset Management, L.P.Company66,511NZ$7.07
17 Jan 25BuyNZ$45,615,889UBS Asset Management AGCompany7,221,522NZ$6.32
17 Jan 25BuyNZ$93,375Goldman Sachs Asset Management, L.P.Company15,203NZ$6.14
17 Jan 25SellNZ$57,947,928UBS Asset Management AGCompany9,188,627NZ$6.31
16 Jan 25BuyNZ$3,679,591Harbour Asset Management LimitedCompany566,825NZ$6.54
16 Jan 25BuyNZ$391,748JBWere Pty. Ltd.Company62,156NZ$6.30
16 Jan 25SellNZ$12,149JBWere (NZ) LimitedCompany1,995NZ$6.09
24 Dec 24BuyNZ$69,740,807UBS Asset Management AGCompany10,972,836NZ$6.36
24 Dec 24SellNZ$78,456,966UBS Asset Management AGCompany12,322,196NZ$6.67
05 Dec 24BuyNZ$1,044,792Harbour Asset Management LimitedCompany168,625NZ$6.20
05 Dec 24BuyNZ$628,865JBWere Pty. Ltd.Company100,142NZ$6.28
05 Dec 24BuyNZ$203,052JBWere (NZ) LimitedCompany32,196NZ$6.31
05 Dec 24SellNZ$5,102,406Harbour Asset Management LimitedCompany743,984NZ$6.93
05 Dec 24SellNZ$55,753JBWere Pty. Ltd.Company25,400NZ$2.19
05 Dec 24SellNZ$21,093JBWere (NZ) LimitedCompany3,400NZ$6.20
26 Nov 24BuyNZ$23,648,845UBS Asset Management AGCompany3,877,942NZ$6.10
26 Nov 24SellNZ$27,755,122UBS Asset Management AGCompany4,574,511NZ$6.07
20 Nov 24BuyNZ$17,060,527UBS Asset Management AGCompany3,170,479NZ$5.45
20 Nov 24SellNZ$20,536,193UBS Asset Management AGCompany3,809,178NZ$5.39
19 Nov 24BuyNZ$84,937,740Harbour Asset Management LimitedCompany12,181,032NZ$7.17
19 Nov 24BuyNZ$1,298,985JBWere (NZ) LimitedCompany196,933NZ$6.79
19 Nov 24SellNZ$47,415,456Harbour Asset Management LimitedCompany8,276,770NZ$5.74
19 Nov 24SellNZ$1,051,265JBWere (NZ) LimitedCompany158,426NZ$7.75

Insider Trading Volume

Insider Buying: ATM insiders have sold more shares than they have bought in the past 3 months.

Ownership Breakdown

What is the ownership structure of ATM?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders3,542,9730.488%
Institutions349,612,51448.2%
General Public372,270,70751.3%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 47.43% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
5.45%
Perpetual Limited
39,564,913NZ$422.2m0%1.99%
4.98%
The Vanguard Group, Inc.
36,159,019NZ$385.8m0%no data
4.97%
Paradice Investment Management Pty Ltd.
36,066,369NZ$384.8m0%9.4%
4.79%
Challenger Limited
34,741,094NZ$370.7m-4.76%8.37%
4.5%
Bangarra Group
32,669,249NZ$348.6m0%66.05%
4.27%
Harbour Asset Management Limited
30,947,451NZ$330.2m0%13.96%
3.98%
UBS Asset Management AG
28,902,514NZ$308.4m0%0.01%
2.66%
Accident Compensation Corporation
19,325,269NZ$206.2m-5.77%3.96%
2.56%
The Goldman Sachs Group, Inc.
18,598,048NZ$198.4m0%0.04%
1.8%
Wilson Asset Management (International) Pty Ltd.
13,039,761NZ$139.1m0%2.37%
1.43%
Norges Bank Investment Management
10,344,862NZ$110.4m0%0.01%
1.15%
Public Trust Limited
8,352,117NZ$89.1m14.1%11.19%
1.12%
Milford Asset Management, LTD
8,123,371NZ$86.7m0%0.73%
0.64%
BetaShares Capital Limited
4,639,594NZ$49.5m2.87%0.12%
0.53%
JBWere Pty. Ltd.
3,880,482NZ$41.4m0%53.02%
0.5%
State Street Global Advisors, Inc.
3,617,753NZ$38.6m1.53%no data
0.32%
Trust Investments Management Limited
2,293,841NZ$24.5m0%9.12%
0.3%
Macquarie Asset Management Public Investments (N.Z.) Limited
2,188,085NZ$23.3m0%3.81%
0.27%
Dimensional Fund Advisors LP
1,956,583NZ$20.9m0.19%no data
0.27%
Charles Schwab Investment Management, Inc.
1,932,818NZ$20.6m-0.11%no data
0.25%
Pendal Group Limited
1,833,165NZ$19.6m0%0.4%
0.21%
David Bortolussi
1,523,112NZ$16.3m18.9%no data
0.17%
JBWere (NZ) Limited
1,232,897NZ$13.2m0%no data
0.16%
Russell Investment Management, LLC
1,142,406NZ$12.2m0%0.01%
0.13%
ANZ New Zealand Investments Limited
967,927NZ$10.3m0%0.42%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/11/18 14:35
End of Day Share Price 2025/11/18 00:00
Earnings2025/06/30
Annual Earnings2025/06/30

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

The a2 Milk Company Limited is covered by 19 analysts. 13 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Thomas KierathBarrenjoey Markets Pty Limited
Jonathan SnapeBell Potter
Josephine FordeBofA Global Research