Hyperfine, Inc. (HYPR) Ownership
HYPR ownership summary
as of October 17, 2026- Institutions
- 22.5% of shares outstanding
- Insiders
- 4.44% of shares outstanding
- Shares outstanding
- 91.0M
- Float
- 86.4M shares available to trade
- Short interest
- 4.40% 3.9M shares short
- Days to cover
- 9.29 short interest down 7.9% vs prior month
- Institutions 22.48%
- Insiders 4.44%
- Other investors 73.08%
HYPR top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 4.41% | 4.7M | $3.5M | +4.1M (+712.8%) | June 30, 2026 |
| 2 | Vanguard Capital Management, LLC | 3.19% | 3.4M | $2.6M | −73,076 (−2.1%) | June 30, 2026 |
| 3 | Geode Capital Management, LLC | 1.85% | 2.0M | $1.5M | +1.0M (+105.3%) | June 30, 2026 |
| 4 | Fosun International Ltd | 1.64% | 1.7M | $1.3M | — | June 30, 2026 |
| 5 | Catalio Capital Management, LP | 1.24% | 1.3M | $996,631 | — | June 30, 2026 |
| 6 | State Street Corp | 0.96% | 1.0M | $767,812 | +692,900 (+213.8%) | June 30, 2026 |
| 7 | Renaissance Technologies Corp | 0.89% | 946K | $714,106 | +215,603 (+29.5%) | June 30, 2026 |
| 8 | Alphabet Inc | 0.85% | 899K | $678,534 | — | June 30, 2026 |
| 9 | Northern Trust Corp | 0.60% | 633K | $477,956 | +455,686 (+256.9%) | June 30, 2026 |
| 10 | Vanguard Fiduciary Trust Co | 0.53% | 567K | $428,167 | +40,403 (+7.7%) | June 30, 2026 |
| 11 | Vanguard Portfolio Management, LLC | 0.52% | 547K | $413,136 | +547,200 (0.0%) | June 30, 2026 |
| 12 | HRT FINANCIAL LLC | 0.35% | 374K | $282,649 | +374,370 (0.0%) | June 30, 2026 |
| 13 | Marshall Wace Asset Management Ltd | 0.32% | 342K | $258,298 | +342,116 (0.0%) | June 30, 2026 |
| 14 | Two Sigma Investments LLC | 0.31% | 326K | $246,129 | +325,999 (0.0%) | June 30, 2026 |
| 15 | ISTHMUS Partners LLC | 0.30% | 313K | $236,579 | — | June 30, 2026 |
| 16 | Bank of New York Mellon Corp | 0.29% | 310K | $234,356 | +171,442 (+123.4%) | June 30, 2026 |
| 17 | Gwn Securities Inc | 0.26% | 275K | $207,381 | +274,677 (0.0%) | June 30, 2026 |
| 18 | Charles Schwab Investment Management Inc | 0.18% | 190K | $143,627 | +190,235 (0.0%) | June 30, 2026 |
| 19 | JOURNEY STRATEGIC WEALTH LLC | 0.18% | 187K | $140,986 | — | March 31, 2026 |
| 20 | HighTower Advisors, LLC | 0.18% | 187K | $140,986 | — | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 8.7M shares and 1 cut 73K.
HYPR top mutual fund and ETF holders
18 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.21% | 2.3M | $1.8M | — | August 31, 2026 |
| 2 | iShares Russell 2000 ETF | 1.60% | 1.7M | $1.3M | −19,520 (−1.1%) | September 30, 2026 |
| 3 | Fidelity Small Cap Index | 0.80% | 848K | $640,386 | −1,045 (−0.1%) | July 31, 2026 |
| 4 | iShares Russell 2000 Growth ETF | 0.70% | 742K | $560,033 | −939 (−0.1%) | September 30, 2026 |
| 5 | Vanguard Russell 2000 ETF | 0.43% | 452K | $341,530 | +8,880 (+2.0%) | August 31, 2026 |
| 6 | Fidelity Extended Market Index | 0.41% | 431K | $325,035 | −2,314 (−0.5%) | August 31, 2026 |
| 7 | iShares Micro-Cap ETF | 0.24% | 250K | $188,603 | −1,723 (−0.7%) | September 30, 2026 |
| 8 | Schwab Small Cap Index | 0.18% | 190K | $143,627 | — | August 31, 2026 |
| 9 | iShares Russell 2000 Small-Cap Idx Instl | 0.14% | 146K | $110,486 | — | August 31, 2026 |
| 10 | Fidelity Total Market Index | 0.13% | 141K | $106,129 | +4,565 (+3.4%) | August 31, 2026 |
| 11 | Fidelity Series Total Market Index | 0.12% | 122K | $92,040 | — | August 31, 2026 |
| 12 | Russell Inv US Small Cap Equity Y | 0.11% | 117K | $88,275 | — | August 31, 2026 |
| 13 | Nuveen Small Cap Blend Idx R6 | 0.10% | 103K | $77,637 | — | August 31, 2026 |
| 14 | EA Bridgeway Ultra-Small Company Mkt ETF | 0.09% | 97K | $72,897 | — | September 30, 2026 |
| 15 | Vanguard Russell 2000 Growth ETF | 0.08% | 85K | $64,164 | +408 (+0.5%) | August 31, 2026 |
| 16 | EQ/2000 Managed Volatility IB | 0.08% | 81K | $61,283 | — | August 31, 2026 |
| 17 | Fidelity Small Cap Growth Index | 0.07% | 79K | $59,592 | +6,350 (+8.7%) | July 31, 2026 |
| 18 | Xtrackers Russell 2000 ETF 1C | 0.07% | 72K | $54,072 | +3,089 (+4.5%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
HYPR insider transactions
latest 4| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-23 | Brett Hale | Sell | $1.21 | 24,188 | $29,267 |
| 2026-03-23 | Thomas Teisseyre | Sell | $1.21 | 24,188 | $29,267 |
| 2025-11-19 | Thomas Teisseyre | Sell | $1.08 | 1,405 | $1,517 |
| 2025-05-16 | Thomas Teisseyre | Sell | $0.58 | 2,776 | $1,610 |
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.
HYPR shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns HYPR
Institutional investors own 22.5% of Hyperfine's shares and insiders 4.44%. The largest holder is BlackRock Inc with 4.41% of the shares (4.7M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 1 reduced their stake in the latest filings. Short interest is 4.40% of the float, or 9.29 days of average trading volume. The share count rose 34.5% since 2020.
Related: HYPR analyst forecast, HYPR key metrics. See the HYPR stock overview for the latest quote and news.
HYPR ownership FAQ
Who owns the most Hyperfine stock?
The largest shareholders of Hyperfine are BlackRock Inc (4.41%), Vanguard Capital Management, LLC (3.19%), Geode Capital Management, LLC (1.85%), Fosun International Ltd (1.64%), Catalio Capital Management, LP (1.24%).
What percentage of Hyperfine is owned by institutions?
Institutions hold 22.5% of Hyperfine's shares outstanding; insiders hold 4.44%.
Which funds own Hyperfine?
The largest fund holders of Hyperfine are Vanguard MStar Total Stk Mkt Idx Invest (2.21%), iShares Russell 2000 ETF (1.60%), Fidelity Small Cap Index (0.80%), iShares Russell 2000 Growth ETF (0.70%), Vanguard Russell 2000 ETF (0.43%).
What is Hyperfine's short interest?
3.9M shares of Hyperfine were sold short, 4.40% of the float; at the average daily volume it would take 9.29 days to cover.
Are insiders buying or selling Hyperfine?
Of the latest 4 reported insider transactions in Hyperfine (since May 16, 2025), 0 were purchases and 4 were sales.
How many shares of Hyperfine are outstanding?
Hyperfine has 91.0M shares outstanding, of which 86.4M are in the public float.