Aurora Cannabis Inc. (ACB) Ownership

NASDAQ: ACBTop holders, insider trades and short interest.

ACB ownership summary

as of October 17, 2026
Institutions
9.4%
of shares outstanding
Insiders
1.21%
of shares outstanding
Shares outstanding
63.3M
Float
64.5M
shares available to trade
Short interest
20.42%
7.6M shares short
Days to cover
8.95
short interest up 2.7% vs prior month
  • Institutions 9.36%
  • Insiders 1.21%
  • Other investors 89.43%

ACB top institutional holders

20 largest
Aurora Cannabis Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1The Goldman Sachs Group Inc2.13%1.4M$5.4M+294,619 (+27.9%)June 30, 2026
2Tidal Investments LLC.2.00%1.3M$5.0M+14,827 (+1.2%)June 30, 2026
3Renaissance Technologies Corp1.24%785K$3.1M+26,774 (+3.5%)June 30, 2026
4NATIONAL BANK OF CANADA /FI/0.38%241K$961,809−30,235 (−11.1%)June 30, 2026
5Morgan Stanley - Brokerage Accounts0.38%241K$960,385−18,357 (−7.1%)June 30, 2026
6UBS Group AG0.28%178K$708,468+25,293 (+16.6%)June 30, 2026
7AdvisorShares Investments, LLC0.27%171K$682,729—June 30, 2026
8OZ Management LLC0.16%104K$413,763—June 30, 2026
9Citigroup Inc0.16%99K$395,804+55,676 (+127.9%)June 30, 2026
10TD Asset Management Inc0.15%95K$377,657+5,732 (+6.4%)June 30, 2026
11Two Sigma Investments LLC0.12%74K$296,018+24,901 (+50.5%)June 30, 2026
12Jane Street Group LLC0.10%66K$262,299+31,714 (+93.2%)June 30, 2026
13Mackenzie Investments0.10%63K$251,865+5,062 (+8.7%)June 30, 2026
14CWM, LLC duplicate0.06%39K$155,706−2,055 (−5.0%)March 31, 2026
15Silver OAK Securities, INC.0.06%37K$148,520—June 30, 2026
16D. E. Shaw & Co LP0.06%37K$148,145−36,988 (−49.9%)June 30, 2026
17LEONTEQ SECURITIES AG0.05%35K$137,958−8,263 (−19.3%)June 30, 2026
18Royal Bank of Canada0.05%31K$122,457+18,169 (+145.1%)June 30, 2026
19Cobblestone Asset Management LLC0.04%28K$111,520+300 (+1.1%)June 30, 2026
20Commonwealth Equity Services, LLC0.04%24K$95,421+128 (+0.5%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 503K shares and 5 cut 96K.

ACB top mutual fund and ETF holders

20 largest
Aurora Cannabis Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1ETFMG Alternative Harvest ETF2.01%1.3M$5.1M+43,770 (+3.6%)September 30, 2026
2Global X Marijuana Life Sciences ETF0.87%554K$2.2M−7,095 (−1.3%)August 31, 2026
3AdvisorShares Pure Cannabis ETF0.66%420K$1.7M—September 30, 2026
4Cinvest A&A International Investment FI0.22%142K$564,729—July 31, 2026
5TD Canadian Equity Index ETF0.12%78K$309,317+1,920 (+2.5%)September 30, 2026
6Mackenzie Canadian Equity ETF0.11%72K$287,715—September 30, 2026
7CANSOUL Fonds Hanf Aktien Global EUR C0.11%70K$279,300+50,000 (+250.0%)August 31, 2026
8State Street® SPDR® S&P® Intl Sm Cp ETF0.10%64K$255,180—September 30, 2026
9iShares S&P/TSX Small Cap ETF0.09%55K$220,136—September 30, 2026
10DFA Canadian Vector Equity Class F0.07%43K$170,086—July 31, 2026
11DFA Canadian Core Equity Class F0.07%42K$166,383—July 31, 2026
12Desjardins Canadian Equity Index ETF0.04%28K$113,085+190 (+0.7%)September 30, 2026
13TD Canadian Index - I0.03%22K$88,179—June 30, 2026
14Scotia Canadian Equity Index A0.02%15K$59,347—June 30, 2026
15Fidelity Nasdaq Composite Index0.01%9,497$37,893−17,728 (−65.1%)August 31, 2026
16State Street® SPDR® Ptf Dev Wld exUS ETF0.01%9,441$37,670—September 30, 2026
17Renta Insular Canaria SICAV0.01%9,020$35,990+15 (+0.2%)December 31, 2025
18Dimensional International Core Eq 2 ETF0.01%7,125$28,429—September 30, 2026
19LVIP Dimensional Intl Core Eq Std0.01%6,831$27,256—June 30, 2026
20CI Canadian Equity ETF0.01%3,709$14,799+272 (+7.9%)August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

ACB shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns ACB

Institutional investors own 9.4% of Aurora Cannabis's shares and insiders 1.21%. The largest holder is The Goldman Sachs Group Inc with 2.13% of the shares (1.4M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 5 reduced their stake in the latest filings. Short interest is 20.42% of the float, or 8.95 days of average trading volume. The share count rose 11,847.5% since 2014.

Related: ACB analyst forecast, ACB key metrics. See the ACB stock overview for the latest quote and news.

ACB ownership FAQ

Who owns the most Aurora Cannabis stock?

The largest shareholders of Aurora Cannabis are The Goldman Sachs Group Inc (2.13%), Tidal Investments LLC. (2.00%), Renaissance Technologies Corp (1.24%), NATIONAL BANK OF CANADA /FI/ (0.38%), Morgan Stanley - Brokerage Accounts (0.38%).

What percentage of Aurora Cannabis is owned by institutions?

Institutions hold 9.4% of Aurora Cannabis's shares outstanding; insiders hold 1.21%.

Which funds own Aurora Cannabis?

The largest fund holders of Aurora Cannabis are ETFMG Alternative Harvest ETF (2.01%), Global X Marijuana Life Sciences ETF (0.87%), AdvisorShares Pure Cannabis ETF (0.66%), Cinvest A&A International Investment FI (0.22%), TD Canadian Equity Index ETF (0.12%).

What is Aurora Cannabis's short interest?

7.6M shares of Aurora Cannabis were sold short, 20.42% of the float; at the average daily volume it would take 8.95 days to cover.

How many shares of Aurora Cannabis are outstanding?

Aurora Cannabis has 63.3M shares outstanding, of which 64.5M are in the public float.

Drug Manufacturers - Specialty & Generic: ownership