ProSomnus, Inc.
ProSomnus, Inc. (OSA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · OSA · as of Jun 30, 2024
Ownership Breakdown
2
Institutional Holders
▼ 24 vs Q1
$1,594
Total Inst. Value
▼ $893,296 vs Q1
17.39M
Shares Outstanding
freeFloat 46.49%
11,563
13F Shares Held
▼ 1.56M vs Q1
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
OSA largest shareholders · institutional ownership
Q2 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
SANCTUARY ADVISORS, LLC surgical & medical instruments & apparatus | 11.4K | 6.54% | 6.54% | $1.59M | Sep 5, 2024 | NEW |
STEWARD PARTNERS INVESTMENT ADVISORY, LLC surgical & medical instruments & apparatus | 182 | 0.10% | 0.10% | $1,000 | Aug 8, 2024 | — held |
VANGUARD GROUP INC surgical & medical instruments & apparatus | 0 | 0.00% | 0.00% | $0 | Aug 13, 2024 | EXIT |
MORGAN STANLEY surgical & medical instruments & apparatus | 0 | 0.00% | 0.00% | $0 | May 14, 2025 | EXIT |
LITTLEJOHN & CO LLC surgical & medical instruments & apparatus | 0 | 0.00% | 0.00% | $0 | Aug 13, 2024 | EXIT |
INTREPID CAPITAL MANAGEMENT INC surgical & medical instruments & apparatus | 0 | 0.00% | 0.00% | $0 | Aug 15, 2024 | EXIT |
GEODE CAPITAL MANAGEMENT, LLC surgical & medical instruments & apparatus | 0 | 0.00% | 0.00% | $0 | Aug 9, 2024 | EXIT |
BRIDGEWAY CAPITAL MANAGEMENT, LLC surgical & medical instruments & apparatus | 0 | 0.00% | 0.00% | $0 | Aug 14, 2024 | EXIT |
POLAR ASSET MANAGEMENT PARTNERS INC. surgical & medical instruments & apparatus | 0 | 0.00% | 0.00% | $0 | Aug 14, 2024 | EXIT |
PNC FINANCIAL SERVICES GROUP, INC. surgical & medical instruments & apparatus | 0 | 0.00% | 0.00% | $0 | Aug 9, 2024 | EXIT |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q2 2024 vs prior quarter
Q2 2024
0
Increased
+0 shares1
New Positions
first time holders0
Decreased
−0 shares25
Sold Out
fully exitedNet shares change (top 50)
+0
+0 / −0
Net new holders
-24
1 new / 25 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
OSA insider trading · insider activity
Source: SEC Form 4
3
Buy transactions
0
Sell transactions
0.00
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 |
|---|---|---|---|---|---|---|---|
Kim Sung CHIEF TECHNICAL OFFICER | Feb 15, 2024 | Award | 315,742 | — | — | 516.8K | Form 4 ↗ |
Dow Brian B CHIEF FINANCIAL OFFICER | Feb 15, 2024 | Award | 315,742 | — | — | 409.5K | Form 4 ↗ |
Liptak Len CHIEF EXECUTIVE OFFICER | Feb 15, 2024 | Award | 1,322,756 | — | — | 1.96M | Form 4 ↗ |
SMC Holdings II, LP 10 percent owner | Dec 6, 2023 | J-Other | 2,630,289 | $1.00 | $2.63M | 2.63M | Form 4 ↗ |
SMC Holdings II, LP 10 percent owner | Dec 6, 2023 | J-Other | 2,338,154 | $1.00 | $2.34M | 2.34M | Form 4 ↗ |
SMC Holdings II, LP 10 percent owner | Dec 6, 2023 | J-Other | 2,228,484 | $1.00 | $2.23M | 2.23M | Form 4 ↗ |
Rikkers Laing director | Oct 16, 2023 | Award | 192,500 | — | — | 531.8K | Form 4 ↗ |
Rikkers Laing director | Oct 16, 2023 | Tax Withhold | 82,025 | $0.85 | $70.1K | 449.8K | Form 4 ↗ |
Dow Brian B Chief Financial Officer | Oct 16, 2023 | Award | 93,750 | — | — | 93.8K | Form 4 ↗ |
Kim Sung Chief Technical Officer | Oct 16, 2023 | Award | 93,750 | — | — | 201.1K | 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
ProSomnus, Inc. (OSA) is primarily owned by institutional investors, who hold approximately 0.1% of total shares outstanding. Company insiders own approximately 53.51%, while retail and public investors account for the remaining 46.42%.
The largest institutional shareholder of ProSomnus, Inc. is SANCTUARY ADVISORS, LLC, holding approximately 11,381 shares — equal to 6.54% of outstanding shares — as of June 30, 2024.
A total of 2 institutional investors currently hold OSA stock, with a combined institutional value of approximately $1,594 as of the most recent 13F filing period.
Frequently asked questions
OSA ownershipProSomnus, Inc. (OSA) is primarily owned by institutional investors, who hold approximately 0.1% of shares. The largest shareholder is SANCTUARY ADVISORS, LLC with a 6.54% stake. Company insiders hold 53.51%. Data sourced from SEC Form 13F as of June 30, 2024.