Optimi Health Corp. (OPTH) Ownership

NASDAQ: OPTHTop holders, insider trades and short interest.

OPTH ownership summary

as of October 18, 2026
Institutions
7.3%
of shares outstanding
Insiders
12.66%
of shares outstanding
Shares outstanding
5.7M
Float
4.6M
shares available to trade
Short interest
—
29K shares short
Days to cover
0.46
short interest up 43.7% vs prior month
  • Institutions 7.29%
  • Insiders 12.66%
  • Other investors 80.05%

OPTH top institutional holders

10 largest
Optimi Health Corp. Common Shares top institutional holders
#Holder% of sharesSharesValueChangeReported
1Yorkville Advisors Global, LP3.48%199K$672,620+199,000 (0.0%)June 30, 2026
2Mariner Wealth Advisors LLC2.13%122K$413,205+122,250 (0.0%)June 30, 2026
3AdvisorShares Investments, LLC1.80%103K$347,444+102,794 (0.0%)June 30, 2026
4TWO SIGMA SECURITIES, LLC0.18%11K$35,804+10,593 (0.0%)June 30, 2026
5UBS Group AG0.10%5,872$19,847+5,872 (0.0%)June 30, 2026
6Royal Bank of Canada0.03%1,964$6,638+1,964 (0.0%)June 30, 2026
7NATIONAL BANK OF CANADA /FI/0.01%598$2,021+598 (0.0%)June 30, 2026
8TD Waterhouse Canada Inc0.01%333$1,126+333 (0.0%)June 30, 2026
9Northwestern Mutual Wealth Management Co<0.01%136$460+136 (0.0%)June 30, 2026
10SRS Capital Advisors Inc<0.01%50$169+50 (0.0%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 10, 10 holders added 444K shares and 0 cut 0.

OPTH top mutual fund and ETF holders

1 largest
Optimi Health Corp. Common Shares top fund holders
#Holder% of sharesSharesValueChangeReported
1AdvisorShares Psychedelics ETF4.55%260K$880,243—September 30, 2026

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

OPTH shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns OPTH

Institutional investors own 7.3% of Optimi Health Corp.'s shares and insiders 12.66%. The largest holder is Yorkville Advisors Global, LP with 3.48% of the shares (199K), as of June 30, 2026. Among the top 10 institutions, 10 added shares and 0 reduced their stake in the latest filings. The share count rose 383.2% since 2020.

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

OPTH ownership FAQ

Who owns the most Optimi Health Corp. stock?

The largest shareholders of Optimi Health Corp. are Yorkville Advisors Global, LP (3.48%), Mariner Wealth Advisors LLC (2.13%), AdvisorShares Investments, LLC (1.80%), TWO SIGMA SECURITIES, LLC (0.18%), UBS Group AG (0.10%).

What percentage of Optimi Health Corp. is owned by institutions?

Institutions hold 7.3% of Optimi Health Corp.'s shares outstanding; insiders hold 12.66%.

Which funds own Optimi Health Corp.?

The largest fund holders of Optimi Health Corp. are AdvisorShares Psychedelics ETF (4.55%).

How many shares of Optimi Health Corp. are outstanding?

Optimi Health Corp. has 5.7M shares outstanding, of which 4.6M are in the public float.

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