Comparable stake leader
VANGUARD GROUP INC
SEC ownership of Hyperfine, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001833769.
Disclosed value leader
VANGUARD CAPITAL MANAGEMENT LLC
Comparable rows
50/50
Latest evidence
26 May 2026
- Public ticker
- HYPR on Nasdaq
- Parsed ownership sources
- 13D/G, 3/4/5, and 13F
- Largest SEC-reported holder
- VANGUARD GROUP INC
- Latest 13D/G holder
- VANGUARD GROUP INC
- Latest parsed ownership date
- 26 May 2026
- Issuer CIK
- 0001833769
- Issuer location
- Guilford, CT
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Hyperfine, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VANGUARD GROUP INC
Disclosed value leader
VANGUARD CAPITAL MANAGEME...
Comparable rows
50/50
Latest evidence
26 May 2026
13D/G
3/4/5
13F
Lead comparable stake: 4.3%
13D/G row: VANGUARD GROUP INC
Showing 1-8 of 50 holder rows.
Quick read
VANGUARD GROUP INC leads the comparable SEC ownership view at 4.3%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens VANGUARD GROUP INC's linked filing trail.
Comparable ownership
Top 5
VANGUARD GROUP INC
4.3%
Thomas Teisseyre
0.83%
Brett Hale
0.73%
VANGUARD CAPITAL MANAGEMENT LLC
4.2%
Fosun International Ltd
2.1%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13D/G
The Vanguard Group
|
4.3%
|
$3,494,180
3,568,038 shares
|
$0 | 31 Dec 2025 |
| Thomas Teisseyre |
3/4/5
Chief Operating Officer
|
0.83%
|
$1,119,691
678,601 shares
|
-$43,206 | 26 May 2026 |
| Brett Hale |
3/4/5
CFO and CAO
|
0.73%
|
$989,612
599,765 shares
|
-$39,245 | 26 May 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
4.2%
|
$3,729,416
3,453,163 shares
|
— | 31 Mar 2026 |
| Fosun International Ltd |
13F
Company
|
2.1%
|
$1,881,382
1,742,020 shares
|
— | 31 Mar 2026 |
| Catalio Capital Management, LP |
13F
Company
|
1.6%
|
$1,425,644
1,320,041 shares
|
— | 31 Mar 2026 |
| Sio Capital Management, LLC |
13F
Company
|
1.2%
|
$1,080,000
1,000,000 shares
|
— | 31 Mar 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
1.2%
|
$1,032,425
955,260 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$82,451.
Buys
$0
Insiders: 0
Sells
$82,451
Insiders: 2
Net
-$82,451
Shares: -63,847
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 63,847
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 60,470 | $0 | $78,490 | -$78,490 |
| 3-6 | 0 | 821 | $0 | $913 | -$913 |
| 6-9 | 0 | 1,405 | $0 | $1,517 | -$1,517 |
| 9-12 | 0 | 1,151 | $0 | $1,531 | -$1,531 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-15 of 15 reporting-owner rows connected to Hyperfine, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
15
Largest Forms 3/4/5 holder
HC Sponsor LLC
Net 12M change
-$82,451
Latest report
03 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| HC Sponsor LLC | 10%+ Owner | $1,575,000 | Mixed | 29 Dec 2021 | ||
| Thomas Teisseyre | Chief Operating Officer | $1,119,691 | -$43,206 | -3.7% | Filing P/S | 26 May 2026 |
| David D. Scott | President and CEO, Director | $1,007,181 | Mixed | 26 Apr 2022 | ||
| Brett Hale | CFO and CAO | $989,612 | -$39,245 | -3.8% | Filing P/S | 26 May 2026 |
| Maria Sainz | President and CEO, Director | $773,241 | Mixed | 31 Mar 2026 | ||
| Alok Gupta | Chief Financial Officer | $139,175 | Mixed | 15 Feb 2023 | ||
| Scott A. White | Chief Commercial Officer | $122,063 | Mixed | 29 Mar 2022 | ||
| Khan Siddiqui | CMO and Chief Strategy Officer | $96,996 | Mixed | 16 Aug 2023 | ||
| Neela Paykel | Gen Counsel & Corp Secretary | $95,064 | Filing P/S | 15 Nov 2022 | ||
| Dahldorf John T. | Director | Mixed | 22 May 2026 | |||
| Dan Wolterman | Director | Mixed | 03 Jun 2026 | |||
| Richard Scott Huennekens | Director | Mixed | 12 Jun 2024 | |||
| Mark A. Hughes | Chief Operating Officer | Mixed | 09 Feb 2022 | |||
| Ph.D. Jonathan M. Rothberg | Director, 10%+ Owner | Mixed | 22 May 2026 | |||
| Ruth A. Fattori | Director | Mixed | 22 May 2026 |
Recent insider transactions for Hyperfine, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Dan Wolterman | HYPR | Stock Options (right to buy) | Award | 52,600 | 52,600 | 03 Jun 2026 | Direct | |||
| Brett Hale | HYPR | Class A Common Stock | Sale | -1% | $9,978 | $1.65 | -6,047 | 599,765 | 26 May 2026 | Direct |
| Thomas Teisseyre | HYPR | Class A Common Stock | Sale | -0.88% | $9,978 | $1.65 | -6,047 | 678,601 | 26 May 2026 | Direct |
| Ruth A. Fattori | HYPR | Stock Options (right to buy) | Award | 157,700 | 157,700 | 22 May 2026 | Direct | |||
| Dan Wolterman | HYPR | Stock Options (right to buy) | Award | 157,700 | 157,700 | 22 May 2026 | Direct | |||
| Dahldorf John T. | HYPR | Stock Options (right to buy) | Award | 157,700 | 157,700 | 22 May 2026 | Direct | |||
| Ph.D. Jonathan M. Rothberg | HYPR | Stock Options (right to buy) | Award | 157,700 | 157,700 | 22 May 2026 | Direct | |||
| Brett Hale | HYPR | Class A Common Stock | Award | 119.6% | 330,000 | 605,812 | 31 Mar 2026 | Direct | ||
| Thomas Teisseyre | HYPR | Class A Common Stock | Award | 93% | 330,000 | 684,648 | 31 Mar 2026 | Direct | ||
| Maria Sainz | HYPR | Class A Common Stock | Award | 1894.6% | 750,000 | 789,586 | 31 Mar 2026 | Direct | ||
| Thomas Teisseyre | HYPR | Class A Common Stock | Sale | -6.38% | $29,267 | $1.21 | -24,188 | 354,648 | 23 Mar 2026 | Direct |
| Brett Hale | HYPR | Class A Common Stock | Sale | -8.06% | $29,267 | $1.21 | -24,188 | 275,812 | 23 Mar 2026 | Direct |
| Thomas Teisseyre | HYPR | Class A Common Stock | Sale | -0.22% | $913 | $1.11 | -821 | 378,836 | 13 Feb 2026 | Direct |
| Thomas Teisseyre | HYPR | Class A Common Stock | Sale | -0.37% | $1,517 | $1.08 | -1,405 | 379,657 | 19 Nov 2025 | Direct |
| Thomas Teisseyre | HYPR | Class A Common Stock | Sale | -0.3% | $1,531 | $1.33 | -1,151 | 381,062 | 18 Aug 2025 | Direct |
| Dan Wolterman | HYPR | Stock Options (right to buy) | Award | 81,817 | 81,817 | 05 Jun 2025 | Direct |
* marks a reported price that did not pass the local price check.