Helius Medical Technologies, Inc. (HSDT) Ownership
HSDT ownership summary
as of October 18, 2026- Institutions
- 25.5% of shares outstanding
- Insiders
- 16.20% of shares outstanding
- Shares outstanding
- 65.1M
- Float
- 45.1M shares available to trade
- Short interest
- 2.99% 1.6M shares short
- Days to cover
- 2.92 short interest up 12.9% vs prior month
- Institutions 25.54%
- Insiders 16.20%
- Other investors 58.26%
HSDT top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Pantera Capital Partners LP | 11.40% | 5.0M | $11.2M | +1.1M (+28.3%) | June 30, 2026 |
| 2 | Kathmere Capital Management, LLC | 10.50% | 4.6M | $10.3M | — | June 30, 2026 |
| 3 | Arrington Capital Management, LLC | 1.51% | 659K | $1.5M | — | June 30, 2026 |
| 4 | BlackRock Inc | 1.45% | 633K | $1.4M | +171,717 (+37.2%) | June 30, 2026 |
| 5 | VR Advisory Services Ltd | 1.33% | 581K | $1.3M | — | June 30, 2026 |
| 6 | LPL Financial Corp | 1.28% | 560K | $1.3M | +13,173 (+2.4%) | June 30, 2026 |
| 7 | Vanguard Capital Management, LLC | 1.27% | 556K | $1.2M | +231,429 (+71.3%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 1.17% | 512K | $1.1M | +141,413 (+38.2%) | June 30, 2026 |
| 9 | Saba Capital Management, LP | 0.72% | 316K | $707,954 | +250,841 (+384.7%) | June 30, 2026 |
| 10 | Yorkville Advisors Global, LP | 0.69% | 300K | $672,000 | −785,000 (−72.4%) | June 30, 2026 |
| 11 | Avenir Tech Ltd | 0.66% | 291K | $651,067 | — | June 30, 2026 |
| 12 | Vanguard Fiduciary Trust Co | 0.58% | 255K | $572,058 | +103,992 (+68.7%) | June 30, 2026 |
| 13 | Rockefeller Capital Management L.P. | 0.56% | 245K | $548,585 | −100,000 (−29.0%) | June 30, 2026 |
| 14 | QUATTRO FINANCIAL ADVISORS LLC | 0.48% | 209K | $468,160 | — | June 30, 2026 |
| 15 | State Street Corp | 0.33% | 146K | $326,144 | — | June 30, 2026 |
| 16 | Morgan Stanley - Brokerage Accounts | 0.31% | 136K | $305,706 | −83,441 (−37.9%) | June 30, 2026 |
| 17 | Cetera Investment Advisers | 0.27% | 117K | $262,976 | −500 (−0.4%) | June 30, 2026 |
| 18 | Wolverine Asset Management LLC | 0.26% | 114K | $255,734 | +114,167 (0.0%) | June 30, 2026 |
| 19 | XTX Topco Ltd | 0.26% | 113K | $253,691 | +66,443 (+141.9%) | June 30, 2026 |
| 20 | Northern Trust Corp | 0.25% | 108K | $242,088 | +38,821 (+56.1%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 10 holders added 2.2M shares and 4 cut 969K.
HSDT top mutual fund and ETF holders
9 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Extended Market Index | 0.55% | 239K | $535,788 | +4,596 (+2.0%) | August 31, 2026 |
| 2 | iShares Micro-Cap ETF | 0.34% | 147K | $328,590 | −1,012 (−0.7%) | September 30, 2026 |
| 3 | Fidelity Total Market Index | 0.19% | 85K | $189,307 | +5,373 (+6.8%) | August 31, 2026 |
| 4 | Fidelity Series Total Market Index | 0.16% | 71K | $158,868 | — | August 31, 2026 |
| 5 | Fidelity Nasdaq Composite Index | 0.07% | 29K | $64,512 | −11,798 (−29.1%) | August 31, 2026 |
| 6 | T. Rowe Price Extended Equity Market Idx | 0.04% | 16K | $35,168 | — | September 30, 2026 |
| 7 | Vanguard U.S. Eq Idx £ Acc | 0.03% | 12K | $27,476 | — | August 31, 2026 |
| 8 | 1290 VT Micro Cap K | 0.02% | 11K | $23,986 | — | August 31, 2026 |
| 9 | Victory Extended Market Index | 0.01% | 4,871 | $10,911 | +2,275 (+87.6%) | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
HSDT insider transactions
latest 4| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2023-12-14 | Dane Andreeff | Buy | $6,075.00 | 6 | $36,450 |
| 2023-11-30 | Dane Andreeff | Buy | $4,777.50 | 2 | $9,555 |
| 2023-08-30 | Dane Andreeff | Buy | $5,730.00 | 6 | $34,380 |
| 2023-08-28 | Dane Andreeff | Buy | $4,777.50 | 6 | $28,665 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
HSDT shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns HSDT
Institutional investors own 25.5% of Helius Medical Technologies's shares and insiders 16.20%. The largest holder is Pantera Capital Partners LP with 11.40% of the shares (5.0M), as of June 30, 2026. Among the top 20 institutions, 10 added shares and 4 reduced their stake in the latest filings. Short interest is 2.99% of the float, or 2.92 days of average trading volume. The share count rose 22,047,700.0% since 2021.
Related: HSDT analyst forecast, HSDT key metrics. See the HSDT stock overview for the latest quote and news.
HSDT ownership FAQ
Who owns the most Helius Medical Technologies stock?
The largest shareholders of Helius Medical Technologies are Pantera Capital Partners LP (11.40%), Kathmere Capital Management, LLC (10.50%), Arrington Capital Management, LLC (1.51%), BlackRock Inc (1.45%), VR Advisory Services Ltd (1.33%).
What percentage of Helius Medical Technologies is owned by institutions?
Institutions hold 25.5% of Helius Medical Technologies's shares outstanding; insiders hold 16.20%.
Which funds own Helius Medical Technologies?
The largest fund holders of Helius Medical Technologies are Fidelity Extended Market Index (0.55%), iShares Micro-Cap ETF (0.34%), Fidelity Total Market Index (0.19%), Fidelity Series Total Market Index (0.16%), Fidelity Nasdaq Composite Index (0.07%).
What is Helius Medical Technologies's short interest?
1.6M shares of Helius Medical Technologies were sold short, 2.99% of the float; at the average daily volume it would take 2.92 days to cover.
Are insiders buying or selling Helius Medical Technologies?
Of the latest 4 reported insider transactions in Helius Medical Technologies (since August 28, 2023), 4 were purchases and 0 were sales.
How many shares of Helius Medical Technologies are outstanding?
Helius Medical Technologies has 65.1M shares outstanding, of which 45.1M are in the public float.