Security key
74345W108
ProPhase Labs, Inc. - Common Stock, par value $0.0005 (PRPH)
CUSIP: 74345W108
Q1 2023 13F Holders as of 31 Mar 2023
- Security type / class
- Equity / Common Stock, par value $0.0005
- Total 13F shares
- 2,442,921
- Total 13F value
- $18,601,004
- Share change
- -332,881
- Put/Call ratio
- 360%
- SEC-reported price per share
- $7.62
- Number of holders
- 39
- Value change
- -$3,092,918
- Number of buys
- 15
- Number of sells
- 28
- Shares outstanding
- 15,547,309
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2023
Institutions
39
Top holders
10
PRPH full security history
Ownership snapshot
Full 13F holder table
ProPhase Labs, Inc. SEC filings
ProPhase Labs, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of PRPH - ProPhase Labs, Inc. - Common Stock, par value $0.0005 (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 GROUP INC
Comparable rows
0/15
Latest evidence
31 Dec 2022
13F
Highest disclosed value: $5,665,994
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC has the largest disclosed position value at $5.67M.
0 of 15 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.
Disclosed position value
Top 5
VANGUARD GROUP INC
$5.67M
RENAISSANCE TECHNOLOGIES LLC
$3.75M
Avidian Wealth Enterprises, LLC
$1.5M
ACADIAN ASSET MANAGEMENT LLC
$1.29M
BlackRock Finance, Inc.
$1.28M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$5,665,994
588,369 shares
|
— | 31 Dec 2022 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
denominator unverified
|
$3,750,000
389,410 shares
|
— | 31 Dec 2022 |
| Avidian Wealth Enterprises, LLC |
13F
Company
|
—
denominator unverified
|
$1,502,512
156,024 shares
|
— | 31 Dec 2022 |
| ACADIAN ASSET MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$1,290,000
134,188 shares
|
— | 31 Dec 2022 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$1,276,206
132,524 shares
|
— | 31 Dec 2022 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
—
denominator unverified
|
$1,184,000
123,030 shares
|
— | 31 Dec 2022 |
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.
13F holder rows
Institutional holders as of Q1 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
39
Shares
2,442,921
Rows available
39
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2023 vs Q1 2023 Across Filers
Q1 2023 holders
39
Q1 2023 holders
39
Holder diff
0
| Investor | Q1 2023 Shares | Q1 2023 Shares | Share Diff | Share Chg % | Q1 2023 value | Q1 2023 value | Value change | Value Chg % |
|---|