Hyperfine, Inc.
Hyperfine, Inc. (HYPR) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · HYPR · as of Sep 30, 2025
Ownership Breakdown
47
Institutional Holders
▲ 7 vs Q2
$15.93M
Total Inst. Value
▲ $8.16M vs Q2
84.22M
Shares Outstanding
freeFloat 79.03%
10.99M
13F Shares Held
▲ 193,320 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
HYPR largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC electromedical & electrotherapeutic apparatus | 3.51M | 4.50% | 4.50% | $5.09B | Nov 7, 2025 | ▲ 190.1K |
FOSUN INTERNATIONAL LTD electromedical & electrotherapeutic apparatus | 1.74M | 2.23% | 2.23% | $2.53B | Nov 14, 2025 | — held |
NORTHERN TRUST CORP electromedical & electrotherapeutic apparatus | 1.12M | 1.43% | 1.43% | $1.62B | Nov 14, 2025 | — held |
ALPHABET INC. electromedical & electrotherapeutic apparatus | 898.7K | 1.15% | 1.15% | $1.30B | Nov 7, 2025 | — held |
CATALIO CAPITAL MANAGEMENT, LP electromedical & electrotherapeutic apparatus | 684.5K | 87.67% | 87.67% | $992.58M | Nov 14, 2025 | ▼ 75.5K |
GEODE CAPITAL MANAGEMENT, LLC electromedical & electrotherapeutic apparatus | 672.0K | 86.07% | 86.07% | $974.85M | Nov 12, 2025 | ▼ 1.6K |
BLACKROCK, INC. electromedical & electrotherapeutic apparatus | 575.7K | 73.73% | 73.73% | $834.73M | Nov 12, 2025 | — held |
ISTHMUS PARTNERS, LLC electromedical & electrotherapeutic apparatus | 313.4K | 40.13% | 40.13% | $454.36M | Nov 10, 2025 | — held |
STATE STREET CORP electromedical & electrotherapeutic apparatus | 250.0K | 32.02% | 32.02% | $362.49M | Nov 14, 2025 | ▲ 54.0K |
JOURNEY STRATEGIC WEALTH LLC electromedical & electrotherapeutic apparatus | 186.7K | 23.92% | 23.92% | $270.77M | Nov 12, 2025 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
10
Increased
+299.7K shares10
New Positions
first time holders7
Decreased
−294.1K shares3
Sold Out
fully exitedNet shares change (top 50)
+5.6K
+299.7K / −294.1K
Net new holders
+10
10 new / 3 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
HYPR insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
5
Buy transactions
2
Sell transactions
2.50
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Wolterman Dan director | Jun 3, 2026 | Award | 52,600 | $1.49 | $78.4K | 52.6K | Form 4 ↗ |
HALE BRETT CFO and CAO | May 26, 2026 | Sale | 6,047 | $1.65 | $10.0K | 599.8K | Form 4 ↗ |
TEISSEYRE THOMAS Chief Operating Officer | May 26, 2026 | Sale | 6,047 | $1.65 | $10.0K | 678.6K | Form 4 ↗ |
Fattori Ruth A director | May 22, 2026 | Award | 157,700 | $1.49 | $235.0K | 157.7K | Form 4 ↗ |
Wolterman Dan director | May 22, 2026 | Award | 157,700 | $1.49 | $235.0K | 157.7K | Form 4 ↗ |
Dahldorf John T director | May 22, 2026 | Award | 157,700 | $1.49 | $235.0K | 157.7K | Form 4 ↗ |
ROTHBERG JONATHAN M
| May 22, 2026 | Award | 157,700 | $1.49 | $235.0K | 157.7K | Form 4 ↗ |
HALE BRETT CFO and CAO | Mar 31, 2026 | Award | 330,000 | — | — | 605.8K | Form 4 ↗ |
TEISSEYRE THOMAS Chief Operating Officer | Mar 31, 2026 | Award | 330,000 | — | — | 684.6K | Form 4 ↗ |
Sainz Maria President and CEO | Mar 31, 2026 | Award | 750,000 | — | — | 789.6K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Hyperfine, Inc. (HYPR) is primarily owned by institutional investors, who hold approximately 13.1% of total shares outstanding. Company insiders own approximately 20.97%, while retail and public investors account for the remaining 65.98%.
The largest institutional shareholder of Hyperfine, Inc. is VANGUARD GROUP INC, holding approximately 3.51 million shares — equal to 4.50% of outstanding shares — as of September 30, 2025.
A total of 47 institutional investors currently hold HYPR stock, with a combined institutional value of approximately $15,931,966 as of the most recent 13F filing period.
Frequently asked questions
HYPR ownershipHyperfine, Inc. (HYPR) is primarily owned by institutional investors, who hold approximately 13.1% of shares. The largest shareholder is VANGUARD GROUP INC with a 4.50% stake. Company insiders hold 20.97%. Data sourced from SEC Form 13F as of September 30, 2025.